diff --git a/src/Twilio/Clients/BearerToken/TwilioOrgsTokenRestClient.cs b/src/Twilio/Clients/BearerToken/TwilioOrgsTokenRestClient.cs
index 6ac86fcf4..62d981f64 100644
--- a/src/Twilio/Clients/BearerToken/TwilioOrgsTokenRestClient.cs
+++ b/src/Twilio/Clients/BearerToken/TwilioOrgsTokenRestClient.cs
@@ -236,7 +236,7 @@ public bool isTokenExpired(string token){
         ///
         /// <param name="request">request to make</param>
         /// <returns>Task that resolves to the response of the request</returns>
-        public async Task<Response> RequestAsync(TokenRequest request)
+        public async Task<Response> RequestAsync(TokenRequest request, System.Threading.CancellationToken cancellationToken = default)
         {
             request.SetAuth(_accessToken);
 
@@ -252,7 +252,7 @@ public async Task<Response> RequestAsync(TokenRequest request)
             Response response;
             try
             {
-                response = await HttpClient.MakeRequestAsync(request);
+                response = await HttpClient.MakeRequestAsync(request, cancellationToken);
             }
             catch (Exception clientException)
             {
diff --git a/src/Twilio/Clients/ITwilioRestClient.cs b/src/Twilio/Clients/ITwilioRestClient.cs
index 496c03f9f..aaf318cc3 100644
--- a/src/Twilio/Clients/ITwilioRestClient.cs
+++ b/src/Twilio/Clients/ITwilioRestClient.cs
@@ -37,7 +37,7 @@ public interface ITwilioRestClient
         ///
         /// <param name="request">Request to make</param>
         /// <returns>response of the request</returns>
-        System.Threading.Tasks.Task<Response> RequestAsync(Request request);
+        System.Threading.Tasks.Task<Response> RequestAsync(Request request, System.Threading.CancellationToken cancellationToken = default);
 #endif
     }
 }
diff --git a/src/Twilio/Clients/TwilioRestClient.cs b/src/Twilio/Clients/TwilioRestClient.cs
index 55d6871e1..bcf9d6614 100644
--- a/src/Twilio/Clients/TwilioRestClient.cs
+++ b/src/Twilio/Clients/TwilioRestClient.cs
@@ -169,7 +169,7 @@ public Response Request(Request request)
         ///
         /// <param name="request">request to make</param>
         /// <returns>Task that resolves to the response of the request</returns>
-        public async Task<Response> RequestAsync(Request request)
+        public async Task<Response> RequestAsync(Request request,  System.Threading.CancellationToken cancellationToken = default)
         {
             if(_username != null && _password != null){
                 request.SetAuth(_username, _password);
@@ -190,7 +190,7 @@ public async Task<Response> RequestAsync(Request request)
             Response response;
             try
             {
-                response = await HttpClient.MakeRequestAsync(request);
+                response = await HttpClient.MakeRequestAsync(request, cancellationToken);
             }
             catch (Exception clientException)
             {
diff --git a/src/Twilio/Http/BearerToken/SystemNetTokenHttpClient.cs b/src/Twilio/Http/BearerToken/SystemNetTokenHttpClient.cs
index dfbc84369..38c0a004b 100644
--- a/src/Twilio/Http/BearerToken/SystemNetTokenHttpClient.cs
+++ b/src/Twilio/Http/BearerToken/SystemNetTokenHttpClient.cs
@@ -60,7 +60,7 @@ public override Response MakeRequest(TokenRequest request)
         /// </summary>
         /// <param name="request">Twilio response</param>
         /// <returns>Task that resolves to the response</returns>
-        public override async Task<Response> MakeRequestAsync(TokenRequest request)
+        public override async Task<Response> MakeRequestAsync(TokenRequest request, System.Threading.CancellationToken cancellationToken = default)
         {
             var httpRequest = BuildHttpRequest(request);
             if (!Equals(request.Method, HttpMethod.Get))
@@ -81,7 +81,7 @@ public override async Task<Response> MakeRequestAsync(TokenRequest request)
             this.LastRequest = request;
             this.LastResponse = null;
 
-            var httpResponse = await _httpClient.SendAsync(httpRequest).ConfigureAwait(false);
+            var httpResponse = await _httpClient.SendAsync(httpRequest, cancellationToken).ConfigureAwait(false);
             var reader = new StreamReader(await httpResponse.Content.ReadAsStreamAsync().ConfigureAwait(false));
 
             // Create and return a new Response. Keep a reference to the last
diff --git a/src/Twilio/Http/BearerToken/TokenHttpClient.cs b/src/Twilio/Http/BearerToken/TokenHttpClient.cs
index 45e5ea866..ded49ca83 100644
--- a/src/Twilio/Http/BearerToken/TokenHttpClient.cs
+++ b/src/Twilio/Http/BearerToken/TokenHttpClient.cs
@@ -36,7 +36,7 @@ public abstract class TokenHttpClient
         /// <param name="request">request to make</param>
         /// <exception>throws exception on network or connection errors.</exception>
         /// <returns>response of the request</returns>
-        public abstract System.Threading.Tasks.Task<Response> MakeRequestAsync(TokenRequest request);
+        public abstract System.Threading.Tasks.Task<Response> MakeRequestAsync(TokenRequest request, System.Threading.CancellationToken cancellationToken = default);
 #endif
 
     }
diff --git a/src/Twilio/Http/HttpClient.cs b/src/Twilio/Http/HttpClient.cs
index 674ab133e..aa6089d7e 100644
--- a/src/Twilio/Http/HttpClient.cs
+++ b/src/Twilio/Http/HttpClient.cs
@@ -34,7 +34,7 @@ public abstract class HttpClient
         /// <param name="request">request to make</param>
         /// <exception>throws exception on network or connection errors.</exception>
         /// <returns>response of the request</returns>
-        public abstract System.Threading.Tasks.Task<Response> MakeRequestAsync(Request request);
+        public abstract System.Threading.Tasks.Task<Response> MakeRequestAsync(Request request,  System.Threading.CancellationToken cancellationToken = default);
 #endif
 
         /// <summary>
diff --git a/src/Twilio/Http/SystemNetHttpClient.cs b/src/Twilio/Http/SystemNetHttpClient.cs
index 6cf90571e..a0f2ccc36 100644
--- a/src/Twilio/Http/SystemNetHttpClient.cs
+++ b/src/Twilio/Http/SystemNetHttpClient.cs
@@ -58,7 +58,7 @@ public override Response MakeRequest(Request request)
         /// </summary>
         /// <param name="request">Twilio response</param>
         /// <returns>Task that resolves to the response</returns>
-        public override async Task<Response> MakeRequestAsync(Request request)
+        public override async Task<Response> MakeRequestAsync(Request request, System.Threading.CancellationToken cancellationToken = default)
         {
             var httpRequest = BuildHttpRequest(request);
             if (!Equals(request.Method, HttpMethod.Get))
@@ -76,7 +76,7 @@ public override async Task<Response> MakeRequestAsync(Request request)
             this.LastRequest = request;
             this.LastResponse = null;
 
-            var httpResponse = await _httpClient.SendAsync(httpRequest).ConfigureAwait(false);
+            var httpResponse = await _httpClient.SendAsync(httpRequest, cancellationToken).ConfigureAwait(false);
             var reader = new StreamReader(await httpResponse.Content.ReadAsStreamAsync().ConfigureAwait(false));
 
             // Create and return a new Response. Keep a reference to the last
diff --git a/src/Twilio/Rest/Accounts/V1/AuthTokenPromotionResource.cs b/src/Twilio/Rest/Accounts/V1/AuthTokenPromotionResource.cs
index 1b7405a36..452cd6136 100644
--- a/src/Twilio/Rest/Accounts/V1/AuthTokenPromotionResource.cs
+++ b/src/Twilio/Rest/Accounts/V1/AuthTokenPromotionResource.cs
@@ -66,11 +66,12 @@ public static AuthTokenPromotionResource Update(UpdateAuthTokenPromotionOptions
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthTokenPromotion </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<AuthTokenPromotionResource> UpdateAsync(UpdateAuthTokenPromotionOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthTokenPromotionResource> UpdateAsync(UpdateAuthTokenPromotionOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -90,10 +91,11 @@ public static AuthTokenPromotionResource Update(
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthTokenPromotion </returns>
         public static async System.Threading.Tasks.Task<AuthTokenPromotionResource> UpdateAsync(
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null,
+                                                                                System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateAuthTokenPromotionOptions(){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Accounts/V1/BulkConsentsResource.cs b/src/Twilio/Rest/Accounts/V1/BulkConsentsResource.cs
index ee76ff29b..29d1879d6 100644
--- a/src/Twilio/Rest/Accounts/V1/BulkConsentsResource.cs
+++ b/src/Twilio/Rest/Accounts/V1/BulkConsentsResource.cs
@@ -66,10 +66,10 @@ public static BulkConsentsResource Create(CreateBulkConsentsOptions options, ITw
         /// <param name="options"> Create BulkConsents parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BulkConsents </returns>
-        public static async System.Threading.Tasks.Task<BulkConsentsResource> CreateAsync(CreateBulkConsentsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BulkConsentsResource> CreateAsync(CreateBulkConsentsOptions options, ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -93,10 +93,11 @@ public static BulkConsentsResource Create(
         /// <returns> Task that resolves to A single instance of BulkConsents </returns>
         public static async System.Threading.Tasks.Task<BulkConsentsResource> CreateAsync(
                                                                                   List<object> items,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateBulkConsentsOptions(items){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Accounts/V1/BulkContactsResource.cs b/src/Twilio/Rest/Accounts/V1/BulkContactsResource.cs
index 7c3f99283..e88750e0f 100644
--- a/src/Twilio/Rest/Accounts/V1/BulkContactsResource.cs
+++ b/src/Twilio/Rest/Accounts/V1/BulkContactsResource.cs
@@ -66,10 +66,10 @@ public static BulkContactsResource Create(CreateBulkContactsOptions options, ITw
         /// <param name="options"> Create BulkContacts parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BulkContacts </returns>
-        public static async System.Threading.Tasks.Task<BulkContactsResource> CreateAsync(CreateBulkContactsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BulkContactsResource> CreateAsync(CreateBulkContactsOptions options, ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -93,10 +93,11 @@ public static BulkContactsResource Create(
         /// <returns> Task that resolves to A single instance of BulkContacts </returns>
         public static async System.Threading.Tasks.Task<BulkContactsResource> CreateAsync(
                                                                                   List<object> items,
-                                                                                    ITwilioRestClient client = null)
+                                                                                  ITwilioRestClient client = null,
+                                                                                  System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateBulkContactsOptions(items){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Accounts/V1/Credential/AwsResource.cs b/src/Twilio/Rest/Accounts/V1/Credential/AwsResource.cs
index 38f9fc0dd..e9d51541a 100644
--- a/src/Twilio/Rest/Accounts/V1/Credential/AwsResource.cs
+++ b/src/Twilio/Rest/Accounts/V1/Credential/AwsResource.cs
@@ -66,10 +66,10 @@ public static AwsResource Create(CreateAwsOptions options, ITwilioRestClient cli
         /// <param name="options"> Create Aws parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Aws </returns>
-        public static async System.Threading.Tasks.Task<AwsResource> CreateAsync(CreateAwsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AwsResource> CreateAsync(CreateAwsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,11 @@ public static async System.Threading.Tasks.Task<AwsResource> CreateAsync(
                                                                                   string credentials,
                                                                                   string friendlyName = null,
                                                                                   string accountSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAwsOptions(credentials){  FriendlyName = friendlyName, AccountSid = accountSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +146,12 @@ public static bool Delete(DeleteAwsOptions options, ITwilioRestClient client = n
         /// <param name="options"> Delete Aws parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Aws </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAwsOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAwsOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -169,10 +171,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the AWS resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Aws </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAwsOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -209,10 +211,10 @@ public static AwsResource Fetch(FetchAwsOptions options, ITwilioRestClient clien
         /// <param name="options"> Fetch Aws parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Aws </returns>
-        public static async System.Threading.Tasks.Task<AwsResource> FetchAsync(FetchAwsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AwsResource> FetchAsync(FetchAwsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -233,10 +235,10 @@ public static AwsResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the AWS resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Aws </returns>
-        public static async System.Threading.Tasks.Task<AwsResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AwsResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAwsOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -271,10 +273,10 @@ public static ResourceSet<AwsResource> Read(ReadAwsOptions options, ITwilioRestC
         /// <param name="options"> Read Aws parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Aws </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AwsResource>> ReadAsync(ReadAwsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AwsResource>> ReadAsync(ReadAwsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AwsResource>.FromJson("credentials", response.Content);
             return new ResourceSet<AwsResource>(page, options, client);
@@ -303,10 +305,11 @@ public static ResourceSet<AwsResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<AwsResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAwsOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -393,11 +396,12 @@ public static AwsResource Update(UpdateAwsOptions options, ITwilioRestClient cli
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Aws </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<AwsResource> UpdateAsync(UpdateAwsOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AwsResource> UpdateAsync(UpdateAwsOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -425,10 +429,11 @@ public static AwsResource Update(
         public static async System.Threading.Tasks.Task<AwsResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string friendlyName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateAwsOptions(pathSid){ FriendlyName = friendlyName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Accounts/V1/Credential/PublicKeyResource.cs b/src/Twilio/Rest/Accounts/V1/Credential/PublicKeyResource.cs
index c724a60c8..0011284a3 100644
--- a/src/Twilio/Rest/Accounts/V1/Credential/PublicKeyResource.cs
+++ b/src/Twilio/Rest/Accounts/V1/Credential/PublicKeyResource.cs
@@ -66,10 +66,10 @@ public static PublicKeyResource Create(CreatePublicKeyOptions options, ITwilioRe
         /// <param name="options"> Create PublicKey parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PublicKey </returns>
-        public static async System.Threading.Tasks.Task<PublicKeyResource> CreateAsync(CreatePublicKeyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PublicKeyResource> CreateAsync(CreatePublicKeyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,11 @@ public static async System.Threading.Tasks.Task<PublicKeyResource> CreateAsync(
                                                                                   string publicKey,
                                                                                   string friendlyName = null,
                                                                                   string accountSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreatePublicKeyOptions(publicKey){  FriendlyName = friendlyName, AccountSid = accountSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +146,12 @@ public static bool Delete(DeletePublicKeyOptions options, ITwilioRestClient clie
         /// <param name="options"> Delete PublicKey parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PublicKey </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeletePublicKeyOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeletePublicKeyOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -169,10 +171,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the PublicKey resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PublicKey </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeletePublicKeyOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -209,10 +211,10 @@ public static PublicKeyResource Fetch(FetchPublicKeyOptions options, ITwilioRest
         /// <param name="options"> Fetch PublicKey parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PublicKey </returns>
-        public static async System.Threading.Tasks.Task<PublicKeyResource> FetchAsync(FetchPublicKeyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PublicKeyResource> FetchAsync(FetchPublicKeyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -233,10 +235,10 @@ public static PublicKeyResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the PublicKey resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PublicKey </returns>
-        public static async System.Threading.Tasks.Task<PublicKeyResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PublicKeyResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPublicKeyOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -271,10 +273,10 @@ public static ResourceSet<PublicKeyResource> Read(ReadPublicKeyOptions options,
         /// <param name="options"> Read PublicKey parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PublicKey </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<PublicKeyResource>> ReadAsync(ReadPublicKeyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<PublicKeyResource>> ReadAsync(ReadPublicKeyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<PublicKeyResource>.FromJson("credentials", response.Content);
             return new ResourceSet<PublicKeyResource>(page, options, client);
@@ -303,10 +305,11 @@ public static ResourceSet<PublicKeyResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<PublicKeyResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadPublicKeyOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -393,11 +396,12 @@ public static PublicKeyResource Update(UpdatePublicKeyOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PublicKey </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<PublicKeyResource> UpdateAsync(UpdatePublicKeyOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PublicKeyResource> UpdateAsync(UpdatePublicKeyOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -425,10 +429,11 @@ public static PublicKeyResource Update(
         public static async System.Threading.Tasks.Task<PublicKeyResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string friendlyName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdatePublicKeyOptions(pathSid){ FriendlyName = friendlyName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Accounts/V1/SafelistResource.cs b/src/Twilio/Rest/Accounts/V1/SafelistResource.cs
index 6397d5bf4..ead5fb820 100644
--- a/src/Twilio/Rest/Accounts/V1/SafelistResource.cs
+++ b/src/Twilio/Rest/Accounts/V1/SafelistResource.cs
@@ -66,10 +66,10 @@ public static SafelistResource Create(CreateSafelistOptions options, ITwilioRest
         /// <param name="options"> Create Safelist parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Safelist </returns>
-        public static async System.Threading.Tasks.Task<SafelistResource> CreateAsync(CreateSafelistOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SafelistResource> CreateAsync(CreateSafelistOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -93,10 +93,11 @@ public static SafelistResource Create(
         /// <returns> Task that resolves to A single instance of Safelist </returns>
         public static async System.Threading.Tasks.Task<SafelistResource> CreateAsync(
                                                                                   string phoneNumber,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSafelistOptions(phoneNumber){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -135,11 +136,12 @@ public static bool Delete(DeleteSafelistOptions options, ITwilioRestClient clien
         /// <param name="options"> Delete Safelist parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Safelist </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSafelistOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSafelistOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -157,10 +159,10 @@ public static bool Delete(ITwilioRestClient client = null)
         /// <summary> Remove a phone number from SafeList. </summary>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Safelist </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSafelistOptions() ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -195,10 +197,10 @@ public static SafelistResource Fetch(FetchSafelistOptions options, ITwilioRestCl
         /// <param name="options"> Fetch Safelist parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Safelist </returns>
-        public static async System.Threading.Tasks.Task<SafelistResource> FetchAsync(FetchSafelistOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SafelistResource> FetchAsync(FetchSafelistOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -219,10 +221,11 @@ public static SafelistResource Fetch(
         /// <param name="phoneNumber"> The phone number to be fetched from SafeList. Phone numbers must be in [E.164 format](https://www.twilio.com/docs/glossary/what-e164). </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Safelist </returns>
-        public static async System.Threading.Tasks.Task<SafelistResource> FetchAsync(string phoneNumber = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SafelistResource> FetchAsync(string phoneNumber = null, ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSafelistOptions(){ PhoneNumber = phoneNumber };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Accounts/V1/SecondaryAuthTokenResource.cs b/src/Twilio/Rest/Accounts/V1/SecondaryAuthTokenResource.cs
index be845313a..45c3bfb9d 100644
--- a/src/Twilio/Rest/Accounts/V1/SecondaryAuthTokenResource.cs
+++ b/src/Twilio/Rest/Accounts/V1/SecondaryAuthTokenResource.cs
@@ -66,10 +66,10 @@ public static SecondaryAuthTokenResource Create(CreateSecondaryAuthTokenOptions
         /// <param name="options"> Create SecondaryAuthToken parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SecondaryAuthToken </returns>
-        public static async System.Threading.Tasks.Task<SecondaryAuthTokenResource> CreateAsync(CreateSecondaryAuthTokenOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SecondaryAuthTokenResource> CreateAsync(CreateSecondaryAuthTokenOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -89,10 +89,11 @@ public static SecondaryAuthTokenResource Create(
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SecondaryAuthToken </returns>
         public static async System.Threading.Tasks.Task<SecondaryAuthTokenResource> CreateAsync(
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSecondaryAuthTokenOptions(){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -131,11 +132,12 @@ public static bool Delete(DeleteSecondaryAuthTokenOptions options, ITwilioRestCl
         /// <param name="options"> Delete SecondaryAuthToken parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SecondaryAuthToken </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSecondaryAuthTokenOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSecondaryAuthTokenOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -153,10 +155,10 @@ public static bool Delete(ITwilioRestClient client = null)
         /// <summary> Delete the secondary Auth Token from your account </summary>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SecondaryAuthToken </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSecondaryAuthTokenOptions() ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/Address/DependentPhoneNumberResource.cs b/src/Twilio/Rest/Api/V2010/Account/Address/DependentPhoneNumberResource.cs
index 9c7f053e0..15f46cf7f 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Address/DependentPhoneNumberResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Address/DependentPhoneNumberResource.cs
@@ -97,10 +97,10 @@ public static ResourceSet<DependentPhoneNumberResource> Read(ReadDependentPhoneN
         /// <param name="options"> Read DependentPhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DependentPhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DependentPhoneNumberResource>> ReadAsync(ReadDependentPhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DependentPhoneNumberResource>> ReadAsync(ReadDependentPhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<DependentPhoneNumberResource>.FromJson("dependent_phone_numbers", response.Content);
             return new ResourceSet<DependentPhoneNumberResource>(page, options, client);
@@ -137,10 +137,11 @@ public static async System.Threading.Tasks.Task<ResourceSet<DependentPhoneNumber
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDependentPhoneNumberOptions(pathAddressSid){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/AddressResource.cs b/src/Twilio/Rest/Api/V2010/Account/AddressResource.cs
index 1f157b508..cad0213af 100644
--- a/src/Twilio/Rest/Api/V2010/Account/AddressResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/AddressResource.cs
@@ -68,10 +68,10 @@ public static AddressResource Create(CreateAddressOptions options, ITwilioRestCl
         /// <param name="options"> Create Address parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Address </returns>
-        public static async System.Threading.Tasks.Task<AddressResource> CreateAsync(CreateAddressOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AddressResource> CreateAsync(CreateAddressOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -102,7 +102,7 @@ public static AddressResource Create(
                                           bool? emergencyEnabled = null,
                                           bool? autoCorrectAddress = null,
                                           string streetSecondary = null,
-                                            ITwilioRestClient client = null)
+                                          ITwilioRestClient client = null)
         {
             var options = new CreateAddressOptions(customerName, street, city, region, postalCode, isoCountry){  PathAccountSid = pathAccountSid, FriendlyName = friendlyName, EmergencyEnabled = emergencyEnabled, AutoCorrectAddress = autoCorrectAddress, StreetSecondary = streetSecondary };
             return Create(options, client);
@@ -135,10 +135,11 @@ public static async System.Threading.Tasks.Task<AddressResource> CreateAsync(
                                                                                   bool? emergencyEnabled = null,
                                                                                   bool? autoCorrectAddress = null,
                                                                                   string streetSecondary = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAddressOptions(customerName, street, city, region, postalCode, isoCountry){  PathAccountSid = pathAccountSid, FriendlyName = friendlyName, EmergencyEnabled = emergencyEnabled, AutoCorrectAddress = autoCorrectAddress, StreetSecondary = streetSecondary };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -181,11 +182,12 @@ public static bool Delete(DeleteAddressOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Address parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Address </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAddressOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAddressOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -207,10 +209,11 @@ public static bool Delete(string pathSid, string pathAccountSid = null, ITwilioR
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that is responsible for the Address resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Address </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAddressOptions(pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -249,10 +252,10 @@ public static AddressResource Fetch(FetchAddressOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Address parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Address </returns>
-        public static async System.Threading.Tasks.Task<AddressResource> FetchAsync(FetchAddressOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AddressResource> FetchAsync(FetchAddressOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -276,10 +279,11 @@ public static AddressResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that is responsible for the Address resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Address </returns>
-        public static async System.Threading.Tasks.Task<AddressResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AddressResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAddressOptions(pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -316,10 +320,10 @@ public static ResourceSet<AddressResource> Read(ReadAddressOptions options, ITwi
         /// <param name="options"> Read Address parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Address </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AddressResource>> ReadAsync(ReadAddressOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AddressResource>> ReadAsync(ReadAddressOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AddressResource>.FromJson("addresses", response.Content);
             return new ResourceSet<AddressResource>(page, options, client);
@@ -364,10 +368,11 @@ public static async System.Threading.Tasks.Task<ResourceSet<AddressResource>> Re
                                                                                              string isoCountry = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAddressOptions(){ PathAccountSid = pathAccountSid, CustomerName = customerName, FriendlyName = friendlyName, IsoCountry = isoCountry, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -456,11 +461,12 @@ public static AddressResource Update(UpdateAddressOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Address </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<AddressResource> UpdateAsync(UpdateAddressOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AddressResource> UpdateAsync(UpdateAddressOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -524,10 +530,10 @@ public static async System.Threading.Tasks.Task<AddressResource> UpdateAsync(
                                                                               bool? emergencyEnabled = null,
                                                                               bool? autoCorrectAddress = null,
                                                                               string streetSecondary = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateAddressOptions(pathSid){ PathAccountSid = pathAccountSid, FriendlyName = friendlyName, CustomerName = customerName, Street = street, City = city, Region = region, PostalCode = postalCode, EmergencyEnabled = emergencyEnabled, AutoCorrectAddress = autoCorrectAddress, StreetSecondary = streetSecondary };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/ApplicationResource.cs b/src/Twilio/Rest/Api/V2010/Account/ApplicationResource.cs
index 89e8389cf..55c464a09 100644
--- a/src/Twilio/Rest/Api/V2010/Account/ApplicationResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/ApplicationResource.cs
@@ -68,10 +68,10 @@ public static ApplicationResource Create(CreateApplicationOptions options, ITwil
         /// <param name="options"> Create Application parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Application </returns>
-        public static async System.Threading.Tasks.Task<ApplicationResource> CreateAsync(CreateApplicationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ApplicationResource> CreateAsync(CreateApplicationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -159,10 +159,11 @@ public static async System.Threading.Tasks.Task<ApplicationResource> CreateAsync
                                                                                   Uri messageStatusCallback = null,
                                                                                   string friendlyName = null,
                                                                                   bool? publicApplicationConnectEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateApplicationOptions(){  PathAccountSid = pathAccountSid, ApiVersion = apiVersion, VoiceUrl = voiceUrl, VoiceMethod = voiceMethod, VoiceFallbackUrl = voiceFallbackUrl, VoiceFallbackMethod = voiceFallbackMethod, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod, VoiceCallerIdLookup = voiceCallerIdLookup, SmsUrl = smsUrl, SmsMethod = smsMethod, SmsFallbackUrl = smsFallbackUrl, SmsFallbackMethod = smsFallbackMethod, SmsStatusCallback = smsStatusCallback, MessageStatusCallback = messageStatusCallback, FriendlyName = friendlyName, PublicApplicationConnectEnabled = publicApplicationConnectEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -205,11 +206,12 @@ public static bool Delete(DeleteApplicationOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete Application parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Application </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteApplicationOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteApplicationOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -231,10 +233,11 @@ public static bool Delete(string pathSid, string pathAccountSid = null, ITwilioR
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Application resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Application </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteApplicationOptions(pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -273,10 +276,10 @@ public static ApplicationResource Fetch(FetchApplicationOptions options, ITwilio
         /// <param name="options"> Fetch Application parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Application </returns>
-        public static async System.Threading.Tasks.Task<ApplicationResource> FetchAsync(FetchApplicationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ApplicationResource> FetchAsync(FetchApplicationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -300,10 +303,11 @@ public static ApplicationResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Application resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Application </returns>
-        public static async System.Threading.Tasks.Task<ApplicationResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ApplicationResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchApplicationOptions(pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -340,10 +344,10 @@ public static ResourceSet<ApplicationResource> Read(ReadApplicationOptions optio
         /// <param name="options"> Read Application parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Application </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ApplicationResource>> ReadAsync(ReadApplicationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ApplicationResource>> ReadAsync(ReadApplicationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ApplicationResource>.FromJson("applications", response.Content);
             return new ResourceSet<ApplicationResource>(page, options, client);
@@ -380,10 +384,11 @@ public static async System.Threading.Tasks.Task<ResourceSet<ApplicationResource>
                                                                                              string friendlyName = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadApplicationOptions(){ PathAccountSid = pathAccountSid, FriendlyName = friendlyName, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -472,11 +477,12 @@ public static ApplicationResource Update(UpdateApplicationOptions options, ITwil
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Application </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ApplicationResource> UpdateAsync(UpdateApplicationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ApplicationResource> UpdateAsync(UpdateApplicationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -568,10 +574,11 @@ public static async System.Threading.Tasks.Task<ApplicationResource> UpdateAsync
                                                                               Uri smsStatusCallback = null,
                                                                               Uri messageStatusCallback = null,
                                                                               bool? publicApplicationConnectEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateApplicationOptions(pathSid){ PathAccountSid = pathAccountSid, FriendlyName = friendlyName, ApiVersion = apiVersion, VoiceUrl = voiceUrl, VoiceMethod = voiceMethod, VoiceFallbackUrl = voiceFallbackUrl, VoiceFallbackMethod = voiceFallbackMethod, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod, VoiceCallerIdLookup = voiceCallerIdLookup, SmsUrl = smsUrl, SmsMethod = smsMethod, SmsFallbackUrl = smsFallbackUrl, SmsFallbackMethod = smsFallbackMethod, SmsStatusCallback = smsStatusCallback, MessageStatusCallback = messageStatusCallback, PublicApplicationConnectEnabled = publicApplicationConnectEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/AuthorizedConnectAppResource.cs b/src/Twilio/Rest/Api/V2010/Account/AuthorizedConnectAppResource.cs
index f7657c1ed..6bfe27bd1 100644
--- a/src/Twilio/Rest/Api/V2010/Account/AuthorizedConnectAppResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/AuthorizedConnectAppResource.cs
@@ -82,10 +82,10 @@ public static AuthorizedConnectAppResource Fetch(FetchAuthorizedConnectAppOption
         /// <param name="options"> Fetch AuthorizedConnectApp parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthorizedConnectApp </returns>
-        public static async System.Threading.Tasks.Task<AuthorizedConnectAppResource> FetchAsync(FetchAuthorizedConnectAppOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthorizedConnectAppResource> FetchAsync(FetchAuthorizedConnectAppOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -109,10 +109,11 @@ public static AuthorizedConnectAppResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the AuthorizedConnectApp resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthorizedConnectApp </returns>
-        public static async System.Threading.Tasks.Task<AuthorizedConnectAppResource> FetchAsync(string pathConnectAppSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthorizedConnectAppResource> FetchAsync(string pathConnectAppSid, string pathAccountSid = null, ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAuthorizedConnectAppOptions(pathConnectAppSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,10 +150,10 @@ public static ResourceSet<AuthorizedConnectAppResource> Read(ReadAuthorizedConne
         /// <param name="options"> Read AuthorizedConnectApp parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthorizedConnectApp </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AuthorizedConnectAppResource>> ReadAsync(ReadAuthorizedConnectAppOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AuthorizedConnectAppResource>> ReadAsync(ReadAuthorizedConnectAppOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AuthorizedConnectAppResource>.FromJson("authorized_connect_apps", response.Content);
             return new ResourceSet<AuthorizedConnectAppResource>(page, options, client);
@@ -185,10 +186,11 @@ public static async System.Threading.Tasks.Task<ResourceSet<AuthorizedConnectApp
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAuthorizedConnectAppOptions(){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/LocalResource.cs b/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/LocalResource.cs
index 546ebe0ff..a4bda3814 100644
--- a/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/LocalResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/LocalResource.cs
@@ -69,10 +69,10 @@ public static ResourceSet<LocalResource> Read(ReadLocalOptions options, ITwilioR
         /// <param name="options"> Read Local parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Local </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<LocalResource>> ReadAsync(ReadLocalOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<LocalResource>> ReadAsync(ReadLocalOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<LocalResource>.FromJson("available_phone_numbers", response.Content);
             return new ResourceSet<LocalResource>(page, options, client);
@@ -181,10 +181,11 @@ public static async System.Threading.Tasks.Task<ResourceSet<LocalResource>> Read
                                                                                              bool? faxEnabled = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadLocalOptions(pathCountryCode){ PathAccountSid = pathAccountSid, AreaCode = areaCode, Contains = contains, SmsEnabled = smsEnabled, MmsEnabled = mmsEnabled, VoiceEnabled = voiceEnabled, ExcludeAllAddressRequired = excludeAllAddressRequired, ExcludeLocalAddressRequired = excludeLocalAddressRequired, ExcludeForeignAddressRequired = excludeForeignAddressRequired, Beta = beta, NearNumber = nearNumber, NearLatLong = nearLatLong, Distance = distance, InPostalCode = inPostalCode, InRegion = inRegion, InRateCenter = inRateCenter, InLata = inLata, InLocality = inLocality, FaxEnabled = faxEnabled, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/MachineToMachineResource.cs b/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/MachineToMachineResource.cs
index 0fe299f82..d5dd670d8 100644
--- a/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/MachineToMachineResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/MachineToMachineResource.cs
@@ -69,10 +69,10 @@ public static ResourceSet<MachineToMachineResource> Read(ReadMachineToMachineOpt
         /// <param name="options"> Read MachineToMachine parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of MachineToMachine </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MachineToMachineResource>> ReadAsync(ReadMachineToMachineOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MachineToMachineResource>> ReadAsync(ReadMachineToMachineOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MachineToMachineResource>.FromJson("available_phone_numbers", response.Content);
             return new ResourceSet<MachineToMachineResource>(page, options, client);
@@ -181,10 +181,11 @@ public static async System.Threading.Tasks.Task<ResourceSet<MachineToMachineReso
                                                                                              bool? faxEnabled = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMachineToMachineOptions(pathCountryCode){ PathAccountSid = pathAccountSid, AreaCode = areaCode, Contains = contains, SmsEnabled = smsEnabled, MmsEnabled = mmsEnabled, VoiceEnabled = voiceEnabled, ExcludeAllAddressRequired = excludeAllAddressRequired, ExcludeLocalAddressRequired = excludeLocalAddressRequired, ExcludeForeignAddressRequired = excludeForeignAddressRequired, Beta = beta, NearNumber = nearNumber, NearLatLong = nearLatLong, Distance = distance, InPostalCode = inPostalCode, InRegion = inRegion, InRateCenter = inRateCenter, InLata = inLata, InLocality = inLocality, FaxEnabled = faxEnabled, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/MobileResource.cs b/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/MobileResource.cs
index 3514c4c75..b1af928e8 100644
--- a/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/MobileResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/MobileResource.cs
@@ -69,10 +69,10 @@ public static ResourceSet<MobileResource> Read(ReadMobileOptions options, ITwili
         /// <param name="options"> Read Mobile parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Mobile </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MobileResource>> ReadAsync(ReadMobileOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MobileResource>> ReadAsync(ReadMobileOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MobileResource>.FromJson("available_phone_numbers", response.Content);
             return new ResourceSet<MobileResource>(page, options, client);
@@ -181,10 +181,11 @@ public static async System.Threading.Tasks.Task<ResourceSet<MobileResource>> Rea
                                                                                              bool? faxEnabled = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMobileOptions(pathCountryCode){ PathAccountSid = pathAccountSid, AreaCode = areaCode, Contains = contains, SmsEnabled = smsEnabled, MmsEnabled = mmsEnabled, VoiceEnabled = voiceEnabled, ExcludeAllAddressRequired = excludeAllAddressRequired, ExcludeLocalAddressRequired = excludeLocalAddressRequired, ExcludeForeignAddressRequired = excludeForeignAddressRequired, Beta = beta, NearNumber = nearNumber, NearLatLong = nearLatLong, Distance = distance, InPostalCode = inPostalCode, InRegion = inRegion, InRateCenter = inRateCenter, InLata = inLata, InLocality = inLocality, FaxEnabled = faxEnabled, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/NationalResource.cs b/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/NationalResource.cs
index c78deeb3d..643976465 100644
--- a/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/NationalResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/NationalResource.cs
@@ -69,10 +69,10 @@ public static ResourceSet<NationalResource> Read(ReadNationalOptions options, IT
         /// <param name="options"> Read National parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of National </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<NationalResource>> ReadAsync(ReadNationalOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<NationalResource>> ReadAsync(ReadNationalOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<NationalResource>.FromJson("available_phone_numbers", response.Content);
             return new ResourceSet<NationalResource>(page, options, client);
@@ -181,10 +181,11 @@ public static async System.Threading.Tasks.Task<ResourceSet<NationalResource>> R
                                                                                              bool? faxEnabled = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadNationalOptions(pathCountryCode){ PathAccountSid = pathAccountSid, AreaCode = areaCode, Contains = contains, SmsEnabled = smsEnabled, MmsEnabled = mmsEnabled, VoiceEnabled = voiceEnabled, ExcludeAllAddressRequired = excludeAllAddressRequired, ExcludeLocalAddressRequired = excludeLocalAddressRequired, ExcludeForeignAddressRequired = excludeForeignAddressRequired, Beta = beta, NearNumber = nearNumber, NearLatLong = nearLatLong, Distance = distance, InPostalCode = inPostalCode, InRegion = inRegion, InRateCenter = inRateCenter, InLata = inLata, InLocality = inLocality, FaxEnabled = faxEnabled, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/SharedCostResource.cs b/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/SharedCostResource.cs
index f0c387a49..9c98ba0e3 100644
--- a/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/SharedCostResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/SharedCostResource.cs
@@ -69,10 +69,10 @@ public static ResourceSet<SharedCostResource> Read(ReadSharedCostOptions options
         /// <param name="options"> Read SharedCost parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SharedCost </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SharedCostResource>> ReadAsync(ReadSharedCostOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SharedCostResource>> ReadAsync(ReadSharedCostOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SharedCostResource>.FromJson("available_phone_numbers", response.Content);
             return new ResourceSet<SharedCostResource>(page, options, client);
@@ -181,10 +181,11 @@ public static async System.Threading.Tasks.Task<ResourceSet<SharedCostResource>>
                                                                                              bool? faxEnabled = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSharedCostOptions(pathCountryCode){ PathAccountSid = pathAccountSid, AreaCode = areaCode, Contains = contains, SmsEnabled = smsEnabled, MmsEnabled = mmsEnabled, VoiceEnabled = voiceEnabled, ExcludeAllAddressRequired = excludeAllAddressRequired, ExcludeLocalAddressRequired = excludeLocalAddressRequired, ExcludeForeignAddressRequired = excludeForeignAddressRequired, Beta = beta, NearNumber = nearNumber, NearLatLong = nearLatLong, Distance = distance, InPostalCode = inPostalCode, InRegion = inRegion, InRateCenter = inRateCenter, InLata = inLata, InLocality = inLocality, FaxEnabled = faxEnabled, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/TollFreeResource.cs b/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/TollFreeResource.cs
index 5a04f650d..3885c9f38 100644
--- a/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/TollFreeResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/TollFreeResource.cs
@@ -69,7 +69,7 @@ public static ResourceSet<TollFreeResource> Read(ReadTollFreeOptions options, IT
         /// <param name="options"> Read TollFree parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TollFree </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TollFreeResource>> ReadAsync(ReadTollFreeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TollFreeResource>> ReadAsync(ReadTollFreeOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -181,7 +181,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<TollFreeResource>> R
                                                                                              bool? faxEnabled = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTollFreeOptions(pathCountryCode){ PathAccountSid = pathAccountSid, AreaCode = areaCode, Contains = contains, SmsEnabled = smsEnabled, MmsEnabled = mmsEnabled, VoiceEnabled = voiceEnabled, ExcludeAllAddressRequired = excludeAllAddressRequired, ExcludeLocalAddressRequired = excludeLocalAddressRequired, ExcludeForeignAddressRequired = excludeForeignAddressRequired, Beta = beta, NearNumber = nearNumber, NearLatLong = nearLatLong, Distance = distance, InPostalCode = inPostalCode, InRegion = inRegion, InRateCenter = inRateCenter, InLata = inLata, InLocality = inLocality, FaxEnabled = faxEnabled, PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/VoipResource.cs b/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/VoipResource.cs
index 9ac50a802..86154f8bc 100644
--- a/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/VoipResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountry/VoipResource.cs
@@ -69,7 +69,7 @@ public static ResourceSet<VoipResource> Read(ReadVoipOptions options, ITwilioRes
         /// <param name="options"> Read Voip parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Voip </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<VoipResource>> ReadAsync(ReadVoipOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<VoipResource>> ReadAsync(ReadVoipOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -181,7 +181,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<VoipResource>> ReadA
                                                                                              bool? faxEnabled = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadVoipOptions(pathCountryCode){ PathAccountSid = pathAccountSid, AreaCode = areaCode, Contains = contains, SmsEnabled = smsEnabled, MmsEnabled = mmsEnabled, VoiceEnabled = voiceEnabled, ExcludeAllAddressRequired = excludeAllAddressRequired, ExcludeLocalAddressRequired = excludeLocalAddressRequired, ExcludeForeignAddressRequired = excludeForeignAddressRequired, Beta = beta, NearNumber = nearNumber, NearLatLong = nearLatLong, Distance = distance, InPostalCode = inPostalCode, InRegion = inRegion, InRateCenter = inRateCenter, InLata = inLata, InLocality = inLocality, FaxEnabled = faxEnabled, PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountryResource.cs b/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountryResource.cs
index 2b97a1ab3..ff7757017 100644
--- a/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountryResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/AvailablePhoneNumberCountryResource.cs
@@ -69,10 +69,10 @@ public static AvailablePhoneNumberCountryResource Fetch(FetchAvailablePhoneNumbe
         /// <param name="options"> Fetch AvailablePhoneNumberCountry parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AvailablePhoneNumberCountry </returns>
-        public static async System.Threading.Tasks.Task<AvailablePhoneNumberCountryResource> FetchAsync(FetchAvailablePhoneNumberCountryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AvailablePhoneNumberCountryResource> FetchAsync(FetchAvailablePhoneNumberCountryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +96,11 @@ public static AvailablePhoneNumberCountryResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) requesting the available phone number Country resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AvailablePhoneNumberCountry </returns>
-        public static async System.Threading.Tasks.Task<AvailablePhoneNumberCountryResource> FetchAsync(string pathCountryCode, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AvailablePhoneNumberCountryResource> FetchAsync(string pathCountryCode, string pathAccountSid = null, ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAvailablePhoneNumberCountryOptions(pathCountryCode){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -136,10 +137,10 @@ public static ResourceSet<AvailablePhoneNumberCountryResource> Read(ReadAvailabl
         /// <param name="options"> Read AvailablePhoneNumberCountry parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AvailablePhoneNumberCountry </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AvailablePhoneNumberCountryResource>> ReadAsync(ReadAvailablePhoneNumberCountryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AvailablePhoneNumberCountryResource>> ReadAsync(ReadAvailablePhoneNumberCountryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AvailablePhoneNumberCountryResource>.FromJson("countries", response.Content);
             return new ResourceSet<AvailablePhoneNumberCountryResource>(page, options, client);
@@ -172,10 +173,11 @@ public static async System.Threading.Tasks.Task<ResourceSet<AvailablePhoneNumber
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAvailablePhoneNumberCountryOptions(){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/BalanceResource.cs b/src/Twilio/Rest/Api/V2010/Account/BalanceResource.cs
index 469f57a51..45a21655d 100644
--- a/src/Twilio/Rest/Api/V2010/Account/BalanceResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/BalanceResource.cs
@@ -67,10 +67,10 @@ public static BalanceResource Fetch(FetchBalanceOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Balance parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Balance </returns>
-        public static async System.Threading.Tasks.Task<BalanceResource> FetchAsync(FetchBalanceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BalanceResource> FetchAsync(FetchBalanceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static BalanceResource Fetch(
         /// <param name="pathAccountSid"> The unique SID identifier of the Account. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Balance </returns>
-        public static async System.Threading.Tasks.Task<BalanceResource> FetchAsync(string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BalanceResource> FetchAsync(string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchBalanceOptions(){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/Call/EventResource.cs b/src/Twilio/Rest/Api/V2010/Account/Call/EventResource.cs
index f50c2e4fb..6945d4e32 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Call/EventResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Call/EventResource.cs
@@ -69,7 +69,7 @@ public static ResourceSet<EventResource> Read(ReadEventOptions options, ITwilioR
         /// <param name="options"> Read Event parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Event </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<EventResource>> ReadAsync(ReadEventOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<EventResource>> ReadAsync(ReadEventOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -109,7 +109,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<EventResource>> Read
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadEventOptions(pathCallSid){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/Call/NotificationResource.cs b/src/Twilio/Rest/Api/V2010/Account/Call/NotificationResource.cs
index c559883ac..706eb827d 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Call/NotificationResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Call/NotificationResource.cs
@@ -71,7 +71,7 @@ public static NotificationResource Fetch(FetchNotificationOptions options, ITwil
         /// <param name="options"> Fetch Notification parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Notification </returns>
-        public static async System.Threading.Tasks.Task<NotificationResource> FetchAsync(FetchNotificationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NotificationResource> FetchAsync(FetchNotificationOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -101,7 +101,7 @@ public static NotificationResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Call Notification resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Notification </returns>
-        public static async System.Threading.Tasks.Task<NotificationResource> FetchAsync(string pathCallSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NotificationResource> FetchAsync(string pathCallSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchNotificationOptions(pathCallSid, pathSid){ PathAccountSid = pathAccountSid };
             return await FetchAsync(options, client);
@@ -143,7 +143,7 @@ public static ResourceSet<NotificationResource> Read(ReadNotificationOptions opt
         /// <param name="options"> Read Notification parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Notification </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<NotificationResource>> ReadAsync(ReadNotificationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<NotificationResource>> ReadAsync(ReadNotificationOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -199,7 +199,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<NotificationResource
                                                                                              DateTime? messageDateAfter = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadNotificationOptions(pathCallSid){ PathAccountSid = pathAccountSid, Log = log, MessageDateBefore = messageDateBefore, MessageDate = messageDate, MessageDateAfter = messageDateAfter, PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/Call/PaymentResource.cs b/src/Twilio/Rest/Api/V2010/Account/Call/PaymentResource.cs
index 941b87ff2..726bf334a 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Call/PaymentResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Call/PaymentResource.cs
@@ -136,7 +136,7 @@ public static PaymentResource Create(CreatePaymentOptions options, ITwilioRestCl
         /// <param name="options"> Create Payment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Payment </returns>
-        public static async System.Threading.Tasks.Task<PaymentResource> CreateAsync(CreatePaymentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PaymentResource> CreateAsync(CreatePaymentOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildCreateRequest(options, client));
@@ -231,7 +231,7 @@ public static async System.Threading.Tasks.Task<PaymentResource> CreateAsync(
                                                                                   int? timeout = null,
                                                                                   PaymentResource.TokenTypeEnum tokenType = null,
                                                                                   string validCardTypes = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreatePaymentOptions(pathCallSid, idempotencyKey, statusCallback){  PathAccountSid = pathAccountSid, BankAccountType = bankAccountType, ChargeAmount = chargeAmount, Currency = currency, Description = description, Input = input, MinPostalCodeLength = minPostalCodeLength, Parameter = parameter, PaymentConnector = paymentConnector, PaymentMethod = paymentMethod, PostalCode = postalCode, SecurityCode = securityCode, Timeout = timeout, TokenType = tokenType, ValidCardTypes = validCardTypes };
             return await CreateAsync(options, client);
@@ -277,7 +277,7 @@ public static PaymentResource Update(UpdatePaymentOptions options, ITwilioRestCl
         /// <returns> Task that resolves to A single instance of Payment </returns>
         #if !NET35
         public static async System.Threading.Tasks.Task<PaymentResource> UpdateAsync(UpdatePaymentOptions options,
-                                                                                                    ITwilioRestClient client = null)
+                                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildUpdateRequest(options, client));
@@ -328,7 +328,7 @@ public static async System.Threading.Tasks.Task<PaymentResource> UpdateAsync(
                                                                               string pathAccountSid = null,
                                                                               PaymentResource.CaptureEnum capture = null,
                                                                               PaymentResource.StatusEnum status = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdatePaymentOptions(pathCallSid, pathSid, idempotencyKey, statusCallback){ PathAccountSid = pathAccountSid, Capture = capture, Status = status };
             return await UpdateAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/Call/RecordingResource.cs b/src/Twilio/Rest/Api/V2010/Account/Call/RecordingResource.cs
index 3d7eec2e7..6272a97b9 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Call/RecordingResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Call/RecordingResource.cs
@@ -105,7 +105,7 @@ public static RecordingResource Create(CreateRecordingOptions options, ITwilioRe
         /// <param name="options"> Create Recording parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<RecordingResource> CreateAsync(CreateRecordingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingResource> CreateAsync(CreateRecordingOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildCreateRequest(options, client));
@@ -160,7 +160,7 @@ public static async System.Threading.Tasks.Task<RecordingResource> CreateAsync(
                                                                                   string trim = null,
                                                                                   string recordingChannels = null,
                                                                                   string recordingTrack = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateRecordingOptions(pathCallSid){  PathAccountSid = pathAccountSid, RecordingStatusCallbackEvent = recordingStatusCallbackEvent, RecordingStatusCallback = recordingStatusCallback, RecordingStatusCallbackMethod = recordingStatusCallbackMethod, Trim = trim, RecordingChannels = recordingChannels, RecordingTrack = recordingTrack };
             return await CreateAsync(options, client);
@@ -209,7 +209,7 @@ public static bool Delete(DeleteRecordingOptions options, ITwilioRestClient clie
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
         public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRecordingOptions options,
-                                                                        ITwilioRestClient client = null)
+                                                                        ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildDeleteRequest(options, client));
@@ -236,7 +236,7 @@ public static bool Delete(string pathCallSid, string pathSid, string pathAccount
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Recording resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathCallSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathCallSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteRecordingOptions(pathCallSid, pathSid)  { PathAccountSid = pathAccountSid };
             return await DeleteAsync(options, client);
@@ -280,7 +280,7 @@ public static RecordingResource Fetch(FetchRecordingOptions options, ITwilioRest
         /// <param name="options"> Fetch Recording parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(FetchRecordingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(FetchRecordingOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -310,7 +310,7 @@ public static RecordingResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Recording resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(string pathCallSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(string pathCallSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRecordingOptions(pathCallSid, pathSid){ PathAccountSid = pathAccountSid };
             return await FetchAsync(options, client);
@@ -352,7 +352,7 @@ public static ResourceSet<RecordingResource> Read(ReadRecordingOptions options,
         /// <param name="options"> Read Recording parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RecordingResource>> ReadAsync(ReadRecordingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RecordingResource>> ReadAsync(ReadRecordingOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -404,7 +404,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<RecordingResource>>
                                                                                              DateTime? dateCreatedAfter = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRecordingOptions(pathCallSid){ PathAccountSid = pathAccountSid, DateCreatedBefore = dateCreatedBefore, DateCreated = dateCreated, DateCreatedAfter = dateCreatedAfter, PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
@@ -499,7 +499,7 @@ public static RecordingResource Update(UpdateRecordingOptions options, ITwilioRe
         /// <returns> Task that resolves to A single instance of Recording </returns>
         #if !NET35
         public static async System.Threading.Tasks.Task<RecordingResource> UpdateAsync(UpdateRecordingOptions options,
-                                                                                                    ITwilioRestClient client = null)
+                                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildUpdateRequest(options, client));
@@ -542,7 +542,7 @@ public static async System.Threading.Tasks.Task<RecordingResource> UpdateAsync(
                                                                               RecordingResource.StatusEnum status,
                                                                               string pathAccountSid = null,
                                                                               string pauseBehavior = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateRecordingOptions(pathCallSid, pathSid, status){ PathAccountSid = pathAccountSid, PauseBehavior = pauseBehavior };
             return await UpdateAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/Call/SiprecResource.cs b/src/Twilio/Rest/Api/V2010/Account/Call/SiprecResource.cs
index 30d52fb04..b3d19148a 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Call/SiprecResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Call/SiprecResource.cs
@@ -107,7 +107,7 @@ public static SiprecResource Create(CreateSiprecOptions options, ITwilioRestClie
         /// <param name="options"> Create Siprec parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Siprec </returns>
-        public static async System.Threading.Tasks.Task<SiprecResource> CreateAsync(CreateSiprecOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SiprecResource> CreateAsync(CreateSiprecOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildCreateRequest(options, client));
@@ -950,7 +950,7 @@ public static async System.Threading.Tasks.Task<SiprecResource> CreateAsync(
                                                                                   string parameter98Value = null,
                                                                                   string parameter99Name = null,
                                                                                   string parameter99Value = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSiprecOptions(pathCallSid){  PathAccountSid = pathAccountSid, Name = name, ConnectorName = connectorName, Track = track, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod, Parameter1Name = parameter1Name, Parameter1Value = parameter1Value, Parameter2Name = parameter2Name, Parameter2Value = parameter2Value, Parameter3Name = parameter3Name, Parameter3Value = parameter3Value, Parameter4Name = parameter4Name, Parameter4Value = parameter4Value, Parameter5Name = parameter5Name, Parameter5Value = parameter5Value, Parameter6Name = parameter6Name, Parameter6Value = parameter6Value, Parameter7Name = parameter7Name, Parameter7Value = parameter7Value, Parameter8Name = parameter8Name, Parameter8Value = parameter8Value, Parameter9Name = parameter9Name, Parameter9Value = parameter9Value, Parameter10Name = parameter10Name, Parameter10Value = parameter10Value, Parameter11Name = parameter11Name, Parameter11Value = parameter11Value, Parameter12Name = parameter12Name, Parameter12Value = parameter12Value, Parameter13Name = parameter13Name, Parameter13Value = parameter13Value, Parameter14Name = parameter14Name, Parameter14Value = parameter14Value, Parameter15Name = parameter15Name, Parameter15Value = parameter15Value, Parameter16Name = parameter16Name, Parameter16Value = parameter16Value, Parameter17Name = parameter17Name, Parameter17Value = parameter17Value, Parameter18Name = parameter18Name, Parameter18Value = parameter18Value, Parameter19Name = parameter19Name, Parameter19Value = parameter19Value, Parameter20Name = parameter20Name, Parameter20Value = parameter20Value, Parameter21Name = parameter21Name, Parameter21Value = parameter21Value, Parameter22Name = parameter22Name, Parameter22Value = parameter22Value, Parameter23Name = parameter23Name, Parameter23Value = parameter23Value, Parameter24Name = parameter24Name, Parameter24Value = parameter24Value, Parameter25Name = parameter25Name, Parameter25Value = parameter25Value, Parameter26Name = parameter26Name, Parameter26Value = parameter26Value, Parameter27Name = parameter27Name, Parameter27Value = parameter27Value, Parameter28Name = parameter28Name, Parameter28Value = parameter28Value, Parameter29Name = parameter29Name, Parameter29Value = parameter29Value, Parameter30Name = parameter30Name, Parameter30Value = parameter30Value, Parameter31Name = parameter31Name, Parameter31Value = parameter31Value, Parameter32Name = parameter32Name, Parameter32Value = parameter32Value, Parameter33Name = parameter33Name, Parameter33Value = parameter33Value, Parameter34Name = parameter34Name, Parameter34Value = parameter34Value, Parameter35Name = parameter35Name, Parameter35Value = parameter35Value, Parameter36Name = parameter36Name, Parameter36Value = parameter36Value, Parameter37Name = parameter37Name, Parameter37Value = parameter37Value, Parameter38Name = parameter38Name, Parameter38Value = parameter38Value, Parameter39Name = parameter39Name, Parameter39Value = parameter39Value, Parameter40Name = parameter40Name, Parameter40Value = parameter40Value, Parameter41Name = parameter41Name, Parameter41Value = parameter41Value, Parameter42Name = parameter42Name, Parameter42Value = parameter42Value, Parameter43Name = parameter43Name, Parameter43Value = parameter43Value, Parameter44Name = parameter44Name, Parameter44Value = parameter44Value, Parameter45Name = parameter45Name, Parameter45Value = parameter45Value, Parameter46Name = parameter46Name, Parameter46Value = parameter46Value, Parameter47Name = parameter47Name, Parameter47Value = parameter47Value, Parameter48Name = parameter48Name, Parameter48Value = parameter48Value, Parameter49Name = parameter49Name, Parameter49Value = parameter49Value, Parameter50Name = parameter50Name, Parameter50Value = parameter50Value, Parameter51Name = parameter51Name, Parameter51Value = parameter51Value, Parameter52Name = parameter52Name, Parameter52Value = parameter52Value, Parameter53Name = parameter53Name, Parameter53Value = parameter53Value, Parameter54Name = parameter54Name, Parameter54Value = parameter54Value, Parameter55Name = parameter55Name, Parameter55Value = parameter55Value, Parameter56Name = parameter56Name, Parameter56Value = parameter56Value, Parameter57Name = parameter57Name, Parameter57Value = parameter57Value, Parameter58Name = parameter58Name, Parameter58Value = parameter58Value, Parameter59Name = parameter59Name, Parameter59Value = parameter59Value, Parameter60Name = parameter60Name, Parameter60Value = parameter60Value, Parameter61Name = parameter61Name, Parameter61Value = parameter61Value, Parameter62Name = parameter62Name, Parameter62Value = parameter62Value, Parameter63Name = parameter63Name, Parameter63Value = parameter63Value, Parameter64Name = parameter64Name, Parameter64Value = parameter64Value, Parameter65Name = parameter65Name, Parameter65Value = parameter65Value, Parameter66Name = parameter66Name, Parameter66Value = parameter66Value, Parameter67Name = parameter67Name, Parameter67Value = parameter67Value, Parameter68Name = parameter68Name, Parameter68Value = parameter68Value, Parameter69Name = parameter69Name, Parameter69Value = parameter69Value, Parameter70Name = parameter70Name, Parameter70Value = parameter70Value, Parameter71Name = parameter71Name, Parameter71Value = parameter71Value, Parameter72Name = parameter72Name, Parameter72Value = parameter72Value, Parameter73Name = parameter73Name, Parameter73Value = parameter73Value, Parameter74Name = parameter74Name, Parameter74Value = parameter74Value, Parameter75Name = parameter75Name, Parameter75Value = parameter75Value, Parameter76Name = parameter76Name, Parameter76Value = parameter76Value, Parameter77Name = parameter77Name, Parameter77Value = parameter77Value, Parameter78Name = parameter78Name, Parameter78Value = parameter78Value, Parameter79Name = parameter79Name, Parameter79Value = parameter79Value, Parameter80Name = parameter80Name, Parameter80Value = parameter80Value, Parameter81Name = parameter81Name, Parameter81Value = parameter81Value, Parameter82Name = parameter82Name, Parameter82Value = parameter82Value, Parameter83Name = parameter83Name, Parameter83Value = parameter83Value, Parameter84Name = parameter84Name, Parameter84Value = parameter84Value, Parameter85Name = parameter85Name, Parameter85Value = parameter85Value, Parameter86Name = parameter86Name, Parameter86Value = parameter86Value, Parameter87Name = parameter87Name, Parameter87Value = parameter87Value, Parameter88Name = parameter88Name, Parameter88Value = parameter88Value, Parameter89Name = parameter89Name, Parameter89Value = parameter89Value, Parameter90Name = parameter90Name, Parameter90Value = parameter90Value, Parameter91Name = parameter91Name, Parameter91Value = parameter91Value, Parameter92Name = parameter92Name, Parameter92Value = parameter92Value, Parameter93Name = parameter93Name, Parameter93Value = parameter93Value, Parameter94Name = parameter94Name, Parameter94Value = parameter94Value, Parameter95Name = parameter95Name, Parameter95Value = parameter95Value, Parameter96Name = parameter96Name, Parameter96Value = parameter96Value, Parameter97Name = parameter97Name, Parameter97Value = parameter97Value, Parameter98Name = parameter98Name, Parameter98Value = parameter98Value, Parameter99Name = parameter99Name, Parameter99Value = parameter99Value };
             return await CreateAsync(options, client);
@@ -996,7 +996,7 @@ public static SiprecResource Update(UpdateSiprecOptions options, ITwilioRestClie
         /// <returns> Task that resolves to A single instance of Siprec </returns>
         #if !NET35
         public static async System.Threading.Tasks.Task<SiprecResource> UpdateAsync(UpdateSiprecOptions options,
-                                                                                                    ITwilioRestClient client = null)
+                                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildUpdateRequest(options, client));
@@ -1035,7 +1035,7 @@ public static async System.Threading.Tasks.Task<SiprecResource> UpdateAsync(
                                                                               string pathSid,
                                                                               SiprecResource.UpdateStatusEnum status,
                                                                               string pathAccountSid = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSiprecOptions(pathCallSid, pathSid, status){ PathAccountSid = pathAccountSid };
             return await UpdateAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/Call/StreamResource.cs b/src/Twilio/Rest/Api/V2010/Account/Call/StreamResource.cs
index f68c8f616..bce5bbcce 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Call/StreamResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Call/StreamResource.cs
@@ -107,7 +107,7 @@ public static StreamResource Create(CreateStreamOptions options, ITwilioRestClie
         /// <param name="options"> Create Stream parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Stream </returns>
-        public static async System.Threading.Tasks.Task<StreamResource> CreateAsync(CreateStreamOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<StreamResource> CreateAsync(CreateStreamOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildCreateRequest(options, client));
@@ -950,7 +950,7 @@ public static async System.Threading.Tasks.Task<StreamResource> CreateAsync(
                                                                                   string parameter98Value = null,
                                                                                   string parameter99Name = null,
                                                                                   string parameter99Value = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateStreamOptions(pathCallSid, url){  PathAccountSid = pathAccountSid, Name = name, Track = track, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod, Parameter1Name = parameter1Name, Parameter1Value = parameter1Value, Parameter2Name = parameter2Name, Parameter2Value = parameter2Value, Parameter3Name = parameter3Name, Parameter3Value = parameter3Value, Parameter4Name = parameter4Name, Parameter4Value = parameter4Value, Parameter5Name = parameter5Name, Parameter5Value = parameter5Value, Parameter6Name = parameter6Name, Parameter6Value = parameter6Value, Parameter7Name = parameter7Name, Parameter7Value = parameter7Value, Parameter8Name = parameter8Name, Parameter8Value = parameter8Value, Parameter9Name = parameter9Name, Parameter9Value = parameter9Value, Parameter10Name = parameter10Name, Parameter10Value = parameter10Value, Parameter11Name = parameter11Name, Parameter11Value = parameter11Value, Parameter12Name = parameter12Name, Parameter12Value = parameter12Value, Parameter13Name = parameter13Name, Parameter13Value = parameter13Value, Parameter14Name = parameter14Name, Parameter14Value = parameter14Value, Parameter15Name = parameter15Name, Parameter15Value = parameter15Value, Parameter16Name = parameter16Name, Parameter16Value = parameter16Value, Parameter17Name = parameter17Name, Parameter17Value = parameter17Value, Parameter18Name = parameter18Name, Parameter18Value = parameter18Value, Parameter19Name = parameter19Name, Parameter19Value = parameter19Value, Parameter20Name = parameter20Name, Parameter20Value = parameter20Value, Parameter21Name = parameter21Name, Parameter21Value = parameter21Value, Parameter22Name = parameter22Name, Parameter22Value = parameter22Value, Parameter23Name = parameter23Name, Parameter23Value = parameter23Value, Parameter24Name = parameter24Name, Parameter24Value = parameter24Value, Parameter25Name = parameter25Name, Parameter25Value = parameter25Value, Parameter26Name = parameter26Name, Parameter26Value = parameter26Value, Parameter27Name = parameter27Name, Parameter27Value = parameter27Value, Parameter28Name = parameter28Name, Parameter28Value = parameter28Value, Parameter29Name = parameter29Name, Parameter29Value = parameter29Value, Parameter30Name = parameter30Name, Parameter30Value = parameter30Value, Parameter31Name = parameter31Name, Parameter31Value = parameter31Value, Parameter32Name = parameter32Name, Parameter32Value = parameter32Value, Parameter33Name = parameter33Name, Parameter33Value = parameter33Value, Parameter34Name = parameter34Name, Parameter34Value = parameter34Value, Parameter35Name = parameter35Name, Parameter35Value = parameter35Value, Parameter36Name = parameter36Name, Parameter36Value = parameter36Value, Parameter37Name = parameter37Name, Parameter37Value = parameter37Value, Parameter38Name = parameter38Name, Parameter38Value = parameter38Value, Parameter39Name = parameter39Name, Parameter39Value = parameter39Value, Parameter40Name = parameter40Name, Parameter40Value = parameter40Value, Parameter41Name = parameter41Name, Parameter41Value = parameter41Value, Parameter42Name = parameter42Name, Parameter42Value = parameter42Value, Parameter43Name = parameter43Name, Parameter43Value = parameter43Value, Parameter44Name = parameter44Name, Parameter44Value = parameter44Value, Parameter45Name = parameter45Name, Parameter45Value = parameter45Value, Parameter46Name = parameter46Name, Parameter46Value = parameter46Value, Parameter47Name = parameter47Name, Parameter47Value = parameter47Value, Parameter48Name = parameter48Name, Parameter48Value = parameter48Value, Parameter49Name = parameter49Name, Parameter49Value = parameter49Value, Parameter50Name = parameter50Name, Parameter50Value = parameter50Value, Parameter51Name = parameter51Name, Parameter51Value = parameter51Value, Parameter52Name = parameter52Name, Parameter52Value = parameter52Value, Parameter53Name = parameter53Name, Parameter53Value = parameter53Value, Parameter54Name = parameter54Name, Parameter54Value = parameter54Value, Parameter55Name = parameter55Name, Parameter55Value = parameter55Value, Parameter56Name = parameter56Name, Parameter56Value = parameter56Value, Parameter57Name = parameter57Name, Parameter57Value = parameter57Value, Parameter58Name = parameter58Name, Parameter58Value = parameter58Value, Parameter59Name = parameter59Name, Parameter59Value = parameter59Value, Parameter60Name = parameter60Name, Parameter60Value = parameter60Value, Parameter61Name = parameter61Name, Parameter61Value = parameter61Value, Parameter62Name = parameter62Name, Parameter62Value = parameter62Value, Parameter63Name = parameter63Name, Parameter63Value = parameter63Value, Parameter64Name = parameter64Name, Parameter64Value = parameter64Value, Parameter65Name = parameter65Name, Parameter65Value = parameter65Value, Parameter66Name = parameter66Name, Parameter66Value = parameter66Value, Parameter67Name = parameter67Name, Parameter67Value = parameter67Value, Parameter68Name = parameter68Name, Parameter68Value = parameter68Value, Parameter69Name = parameter69Name, Parameter69Value = parameter69Value, Parameter70Name = parameter70Name, Parameter70Value = parameter70Value, Parameter71Name = parameter71Name, Parameter71Value = parameter71Value, Parameter72Name = parameter72Name, Parameter72Value = parameter72Value, Parameter73Name = parameter73Name, Parameter73Value = parameter73Value, Parameter74Name = parameter74Name, Parameter74Value = parameter74Value, Parameter75Name = parameter75Name, Parameter75Value = parameter75Value, Parameter76Name = parameter76Name, Parameter76Value = parameter76Value, Parameter77Name = parameter77Name, Parameter77Value = parameter77Value, Parameter78Name = parameter78Name, Parameter78Value = parameter78Value, Parameter79Name = parameter79Name, Parameter79Value = parameter79Value, Parameter80Name = parameter80Name, Parameter80Value = parameter80Value, Parameter81Name = parameter81Name, Parameter81Value = parameter81Value, Parameter82Name = parameter82Name, Parameter82Value = parameter82Value, Parameter83Name = parameter83Name, Parameter83Value = parameter83Value, Parameter84Name = parameter84Name, Parameter84Value = parameter84Value, Parameter85Name = parameter85Name, Parameter85Value = parameter85Value, Parameter86Name = parameter86Name, Parameter86Value = parameter86Value, Parameter87Name = parameter87Name, Parameter87Value = parameter87Value, Parameter88Name = parameter88Name, Parameter88Value = parameter88Value, Parameter89Name = parameter89Name, Parameter89Value = parameter89Value, Parameter90Name = parameter90Name, Parameter90Value = parameter90Value, Parameter91Name = parameter91Name, Parameter91Value = parameter91Value, Parameter92Name = parameter92Name, Parameter92Value = parameter92Value, Parameter93Name = parameter93Name, Parameter93Value = parameter93Value, Parameter94Name = parameter94Name, Parameter94Value = parameter94Value, Parameter95Name = parameter95Name, Parameter95Value = parameter95Value, Parameter96Name = parameter96Name, Parameter96Value = parameter96Value, Parameter97Name = parameter97Name, Parameter97Value = parameter97Value, Parameter98Name = parameter98Name, Parameter98Value = parameter98Value, Parameter99Name = parameter99Name, Parameter99Value = parameter99Value };
             return await CreateAsync(options, client);
@@ -996,7 +996,7 @@ public static StreamResource Update(UpdateStreamOptions options, ITwilioRestClie
         /// <returns> Task that resolves to A single instance of Stream </returns>
         #if !NET35
         public static async System.Threading.Tasks.Task<StreamResource> UpdateAsync(UpdateStreamOptions options,
-                                                                                                    ITwilioRestClient client = null)
+                                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildUpdateRequest(options, client));
@@ -1035,7 +1035,7 @@ public static async System.Threading.Tasks.Task<StreamResource> UpdateAsync(
                                                                               string pathSid,
                                                                               StreamResource.UpdateStatusEnum status,
                                                                               string pathAccountSid = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateStreamOptions(pathCallSid, pathSid, status){ PathAccountSid = pathAccountSid };
             return await UpdateAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/Call/TranscriptionResource.cs b/src/Twilio/Rest/Api/V2010/Account/Call/TranscriptionResource.cs
index 2d1c13fc1..64a24009d 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Call/TranscriptionResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Call/TranscriptionResource.cs
@@ -107,7 +107,7 @@ public static TranscriptionResource Create(CreateTranscriptionOptions options, I
         /// <param name="options"> Create Transcription parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcription </returns>
-        public static async System.Threading.Tasks.Task<TranscriptionResource> CreateAsync(CreateTranscriptionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TranscriptionResource> CreateAsync(CreateTranscriptionOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildCreateRequest(options, client));
@@ -194,7 +194,7 @@ public static async System.Threading.Tasks.Task<TranscriptionResource> CreateAsy
                                                                                   string hints = null,
                                                                                   bool? enableAutomaticPunctuation = null,
                                                                                   string intelligenceService = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTranscriptionOptions(pathCallSid){  PathAccountSid = pathAccountSid, Name = name, Track = track, StatusCallbackUrl = statusCallbackUrl, StatusCallbackMethod = statusCallbackMethod, InboundTrackLabel = inboundTrackLabel, OutboundTrackLabel = outboundTrackLabel, PartialResults = partialResults, LanguageCode = languageCode, TranscriptionEngine = transcriptionEngine, ProfanityFilter = profanityFilter, SpeechModel = speechModel, Hints = hints, EnableAutomaticPunctuation = enableAutomaticPunctuation, IntelligenceService = intelligenceService };
             return await CreateAsync(options, client);
@@ -240,7 +240,7 @@ public static TranscriptionResource Update(UpdateTranscriptionOptions options, I
         /// <returns> Task that resolves to A single instance of Transcription </returns>
         #if !NET35
         public static async System.Threading.Tasks.Task<TranscriptionResource> UpdateAsync(UpdateTranscriptionOptions options,
-                                                                                                    ITwilioRestClient client = null)
+                                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildUpdateRequest(options, client));
@@ -279,7 +279,7 @@ public static async System.Threading.Tasks.Task<TranscriptionResource> UpdateAsy
                                                                               string pathSid,
                                                                               TranscriptionResource.UpdateStatusEnum status,
                                                                               string pathAccountSid = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateTranscriptionOptions(pathCallSid, pathSid, status){ PathAccountSid = pathAccountSid };
             return await UpdateAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/Call/UserDefinedMessageResource.cs b/src/Twilio/Rest/Api/V2010/Account/Call/UserDefinedMessageResource.cs
index 673c0bb9a..5fd86bb00 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Call/UserDefinedMessageResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Call/UserDefinedMessageResource.cs
@@ -70,7 +70,7 @@ public static UserDefinedMessageResource Create(CreateUserDefinedMessageOptions
         /// <param name="options"> Create UserDefinedMessage parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserDefinedMessage </returns>
-        public static async System.Threading.Tasks.Task<UserDefinedMessageResource> CreateAsync(CreateUserDefinedMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserDefinedMessageResource> CreateAsync(CreateUserDefinedMessageOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildCreateRequest(options, client));
@@ -109,7 +109,7 @@ public static async System.Threading.Tasks.Task<UserDefinedMessageResource> Crea
                                                                                   string content,
                                                                                   string pathAccountSid = null,
                                                                                   string idempotencyKey = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateUserDefinedMessageOptions(pathCallSid, content){  PathAccountSid = pathAccountSid, IdempotencyKey = idempotencyKey };
             return await CreateAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/Call/UserDefinedMessageSubscriptionResource.cs b/src/Twilio/Rest/Api/V2010/Account/Call/UserDefinedMessageSubscriptionResource.cs
index 78ec37096..c968346c7 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Call/UserDefinedMessageSubscriptionResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Call/UserDefinedMessageSubscriptionResource.cs
@@ -70,10 +70,10 @@ public static UserDefinedMessageSubscriptionResource Create(CreateUserDefinedMes
         /// <param name="options"> Create UserDefinedMessageSubscription parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserDefinedMessageSubscription </returns>
-        public static async System.Threading.Tasks.Task<UserDefinedMessageSubscriptionResource> CreateAsync(CreateUserDefinedMessageSubscriptionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserDefinedMessageSubscriptionResource> CreateAsync(CreateUserDefinedMessageSubscriptionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -113,10 +113,10 @@ public static async System.Threading.Tasks.Task<UserDefinedMessageSubscriptionRe
                                                                                   string pathAccountSid = null,
                                                                                   string idempotencyKey = null,
                                                                                   Twilio.Http.HttpMethod method = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateUserDefinedMessageSubscriptionOptions(pathCallSid, callback){  PathAccountSid = pathAccountSid, IdempotencyKey = idempotencyKey, Method = method };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -161,11 +161,12 @@ public static bool Delete(DeleteUserDefinedMessageSubscriptionOptions options, I
         /// <param name="options"> Delete UserDefinedMessageSubscription parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserDefinedMessageSubscription </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserDefinedMessageSubscriptionOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserDefinedMessageSubscriptionOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -189,10 +190,10 @@ public static bool Delete(string pathCallSid, string pathSid, string pathAccount
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that subscribed to the User Defined Messages. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserDefinedMessageSubscription </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathCallSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathCallSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteUserDefinedMessageSubscriptionOptions(pathCallSid, pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/CallResource.cs b/src/Twilio/Rest/Api/V2010/Account/CallResource.cs
index 95b5c13e4..f46907cdb 100644
--- a/src/Twilio/Rest/Api/V2010/Account/CallResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/CallResource.cs
@@ -99,10 +99,10 @@ public static CallResource Create(CreateCallOptions options, ITwilioRestClient c
         /// <param name="options"> Create Call parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Call </returns>
-        public static async System.Threading.Tasks.Task<CallResource> CreateAsync(CreateCallOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CallResource> CreateAsync(CreateCallOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -266,10 +266,10 @@ public static async System.Threading.Tasks.Task<CallResource> CreateAsync(
                                                                                   string callToken = null,
                                                                                   string recordingTrack = null,
                                                                                   int? timeLimit = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCallOptions(to, from){  PathAccountSid = pathAccountSid, Url = url, Twiml = twiml, ApplicationSid = applicationSid, Method = method, FallbackUrl = fallbackUrl, FallbackMethod = fallbackMethod, StatusCallback = statusCallback, StatusCallbackEvent = statusCallbackEvent, StatusCallbackMethod = statusCallbackMethod, SendDigits = sendDigits, Timeout = timeout, Record = record, RecordingChannels = recordingChannels, RecordingStatusCallback = recordingStatusCallback, RecordingStatusCallbackMethod = recordingStatusCallbackMethod, SipAuthUsername = sipAuthUsername, SipAuthPassword = sipAuthPassword, MachineDetection = machineDetection, MachineDetectionTimeout = machineDetectionTimeout, RecordingStatusCallbackEvent = recordingStatusCallbackEvent, Trim = trim, CallerId = callerId, MachineDetectionSpeechThreshold = machineDetectionSpeechThreshold, MachineDetectionSpeechEndThreshold = machineDetectionSpeechEndThreshold, MachineDetectionSilenceTimeout = machineDetectionSilenceTimeout, AsyncAmd = asyncAmd, AsyncAmdStatusCallback = asyncAmdStatusCallback, AsyncAmdStatusCallbackMethod = asyncAmdStatusCallbackMethod, Byoc = byoc, CallReason = callReason, CallToken = callToken, RecordingTrack = recordingTrack, TimeLimit = timeLimit };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -312,11 +312,12 @@ public static bool Delete(DeleteCallOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete Call parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Call </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCallOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCallOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -338,10 +339,10 @@ public static bool Delete(string pathSid, string pathAccountSid = null, ITwilioR
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Call resource(s) to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Call </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCallOptions(pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -380,10 +381,10 @@ public static CallResource Fetch(FetchCallOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Call parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Call </returns>
-        public static async System.Threading.Tasks.Task<CallResource> FetchAsync(FetchCallOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CallResource> FetchAsync(FetchCallOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -407,10 +408,10 @@ public static CallResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Call resource(s) to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Call </returns>
-        public static async System.Threading.Tasks.Task<CallResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CallResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCallOptions(pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -447,10 +448,10 @@ public static ResourceSet<CallResource> Read(ReadCallOptions options, ITwilioRes
         /// <param name="options"> Read Call parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Call </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CallResource>> ReadAsync(ReadCallOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CallResource>> ReadAsync(ReadCallOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CallResource>.FromJson("calls", response.Content);
             return new ResourceSet<CallResource>(page, options, client);
@@ -523,10 +524,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<CallResource>> ReadA
                                                                                              DateTime? endTimeAfter = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCallOptions(){ PathAccountSid = pathAccountSid, To = to, From = from, ParentCallSid = parentCallSid, Status = status, StartTimeBefore = startTimeBefore, StartTime = startTime, StartTimeAfter = startTimeAfter, EndTimeBefore = endTimeBefore, EndTime = endTime, EndTimeAfter = endTimeAfter, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -615,11 +616,12 @@ public static CallResource Update(UpdateCallOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Call </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<CallResource> UpdateAsync(UpdateCallOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CallResource> UpdateAsync(UpdateCallOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -683,10 +685,10 @@ public static async System.Threading.Tasks.Task<CallResource> UpdateAsync(
                                                                               Twilio.Http.HttpMethod statusCallbackMethod = null,
                                                                               Types.Twiml twiml = null,
                                                                               int? timeLimit = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateCallOptions(pathSid){ PathAccountSid = pathAccountSid, Url = url, Method = method, Status = status, FallbackUrl = fallbackUrl, FallbackMethod = fallbackMethod, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod, Twiml = twiml, TimeLimit = timeLimit };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/Conference/ParticipantResource.cs b/src/Twilio/Rest/Api/V2010/Account/Conference/ParticipantResource.cs
index 7114905d7..2ee86fdd0 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Conference/ParticipantResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Conference/ParticipantResource.cs
@@ -87,10 +87,10 @@ public static ParticipantResource Create(CreateParticipantOptions options, ITwil
         /// <param name="options"> Create Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ParticipantResource> CreateAsync(CreateParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> CreateAsync(CreateParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -310,10 +310,10 @@ public static async System.Threading.Tasks.Task<ParticipantResource> CreateAsync
                                                                                   Twilio.Http.HttpMethod amdStatusCallbackMethod = null,
                                                                                   string trim = null,
                                                                                   string callToken = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateParticipantOptions(pathConferenceSid, from, to){  PathAccountSid = pathAccountSid, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod, StatusCallbackEvent = statusCallbackEvent, Label = label, Timeout = timeout, Record = record, Muted = muted, Beep = beep, StartConferenceOnEnter = startConferenceOnEnter, EndConferenceOnExit = endConferenceOnExit, WaitUrl = waitUrl, WaitMethod = waitMethod, EarlyMedia = earlyMedia, MaxParticipants = maxParticipants, ConferenceRecord = conferenceRecord, ConferenceTrim = conferenceTrim, ConferenceStatusCallback = conferenceStatusCallback, ConferenceStatusCallbackMethod = conferenceStatusCallbackMethod, ConferenceStatusCallbackEvent = conferenceStatusCallbackEvent, RecordingChannels = recordingChannels, RecordingStatusCallback = recordingStatusCallback, RecordingStatusCallbackMethod = recordingStatusCallbackMethod, SipAuthUsername = sipAuthUsername, SipAuthPassword = sipAuthPassword, Region = region, ConferenceRecordingStatusCallback = conferenceRecordingStatusCallback, ConferenceRecordingStatusCallbackMethod = conferenceRecordingStatusCallbackMethod, RecordingStatusCallbackEvent = recordingStatusCallbackEvent, ConferenceRecordingStatusCallbackEvent = conferenceRecordingStatusCallbackEvent, Coaching = coaching, CallSidToCoach = callSidToCoach, JitterBufferSize = jitterBufferSize, Byoc = byoc, CallerId = callerId, CallReason = callReason, RecordingTrack = recordingTrack, TimeLimit = timeLimit, MachineDetection = machineDetection, MachineDetectionTimeout = machineDetectionTimeout, MachineDetectionSpeechThreshold = machineDetectionSpeechThreshold, MachineDetectionSpeechEndThreshold = machineDetectionSpeechEndThreshold, MachineDetectionSilenceTimeout = machineDetectionSilenceTimeout, AmdStatusCallback = amdStatusCallback, AmdStatusCallbackMethod = amdStatusCallbackMethod, Trim = trim, CallToken = callToken };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -358,11 +358,12 @@ public static bool Delete(DeleteParticipantOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteParticipantOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteParticipantOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -386,10 +387,10 @@ public static bool Delete(string pathConferenceSid, string pathCallSid, string p
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Participant resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathConferenceSid, string pathCallSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathConferenceSid, string pathCallSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteParticipantOptions(pathConferenceSid, pathCallSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -430,10 +431,10 @@ public static ParticipantResource Fetch(FetchParticipantOptions options, ITwilio
         /// <param name="options"> Fetch Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(FetchParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(FetchParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -460,10 +461,10 @@ public static ParticipantResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Participant resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(string pathConferenceSid, string pathCallSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(string pathConferenceSid, string pathCallSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchParticipantOptions(pathConferenceSid, pathCallSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -502,10 +503,10 @@ public static ResourceSet<ParticipantResource> Read(ReadParticipantOptions optio
         /// <param name="options"> Read Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>> ReadAsync(ReadParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>> ReadAsync(ReadParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ParticipantResource>.FromJson("participants", response.Content);
             return new ResourceSet<ParticipantResource>(page, options, client);
@@ -554,10 +555,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>
                                                                                              bool? coaching = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadParticipantOptions(pathConferenceSid){ PathAccountSid = pathAccountSid, Muted = muted, Hold = hold, Coaching = coaching, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -648,11 +649,12 @@ public static ParticipantResource Update(UpdateParticipantOptions options, ITwil
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ParticipantResource> UpdateAsync(UpdateParticipantOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> UpdateAsync(UpdateParticipantOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -732,10 +734,10 @@ public static async System.Threading.Tasks.Task<ParticipantResource> UpdateAsync
                                                                               bool? endConferenceOnExit = null,
                                                                               bool? coaching = null,
                                                                               string callSidToCoach = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateParticipantOptions(pathConferenceSid, pathCallSid){ PathAccountSid = pathAccountSid, Muted = muted, Hold = hold, HoldUrl = holdUrl, HoldMethod = holdMethod, AnnounceUrl = announceUrl, AnnounceMethod = announceMethod, WaitUrl = waitUrl, WaitMethod = waitMethod, BeepOnExit = beepOnExit, EndConferenceOnExit = endConferenceOnExit, Coaching = coaching, CallSidToCoach = callSidToCoach };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/Conference/RecordingResource.cs b/src/Twilio/Rest/Api/V2010/Account/Conference/RecordingResource.cs
index 3c81e6b87..96ed07e28 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Conference/RecordingResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Conference/RecordingResource.cs
@@ -110,11 +110,12 @@ public static bool Delete(DeleteRecordingOptions options, ITwilioRestClient clie
         /// <param name="options"> Delete Recording parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRecordingOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRecordingOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -138,10 +139,10 @@ public static bool Delete(string pathConferenceSid, string pathSid, string pathA
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Conference Recording resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathConferenceSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathConferenceSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteRecordingOptions(pathConferenceSid, pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -182,10 +183,10 @@ public static RecordingResource Fetch(FetchRecordingOptions options, ITwilioRest
         /// <param name="options"> Fetch Recording parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(FetchRecordingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(FetchRecordingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -212,10 +213,10 @@ public static RecordingResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Conference Recording resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(string pathConferenceSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(string pathConferenceSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRecordingOptions(pathConferenceSid, pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -254,10 +255,10 @@ public static ResourceSet<RecordingResource> Read(ReadRecordingOptions options,
         /// <param name="options"> Read Recording parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RecordingResource>> ReadAsync(ReadRecordingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RecordingResource>> ReadAsync(ReadRecordingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RecordingResource>.FromJson("recordings", response.Content);
             return new ResourceSet<RecordingResource>(page, options, client);
@@ -306,10 +307,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<RecordingResource>>
                                                                                              DateTime? dateCreatedAfter = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRecordingOptions(pathConferenceSid){ PathAccountSid = pathAccountSid, DateCreatedBefore = dateCreatedBefore, DateCreated = dateCreated, DateCreatedAfter = dateCreatedAfter, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -400,11 +401,12 @@ public static RecordingResource Update(UpdateRecordingOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<RecordingResource> UpdateAsync(UpdateRecordingOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingResource> UpdateAsync(UpdateRecordingOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -444,10 +446,10 @@ public static async System.Threading.Tasks.Task<RecordingResource> UpdateAsync(
                                                                               RecordingResource.StatusEnum status,
                                                                               string pathAccountSid = null,
                                                                               string pauseBehavior = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateRecordingOptions(pathConferenceSid, pathSid, status){ PathAccountSid = pathAccountSid, PauseBehavior = pauseBehavior };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/ConferenceResource.cs b/src/Twilio/Rest/Api/V2010/Account/ConferenceResource.cs
index 794d44cfd..193b0f0f2 100644
--- a/src/Twilio/Rest/Api/V2010/Account/ConferenceResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/ConferenceResource.cs
@@ -110,10 +110,10 @@ public static ConferenceResource Fetch(FetchConferenceOptions options, ITwilioRe
         /// <param name="options"> Fetch Conference parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conference </returns>
-        public static async System.Threading.Tasks.Task<ConferenceResource> FetchAsync(FetchConferenceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConferenceResource> FetchAsync(FetchConferenceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -137,10 +137,10 @@ public static ConferenceResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Conference resource(s) to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conference </returns>
-        public static async System.Threading.Tasks.Task<ConferenceResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConferenceResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchConferenceOptions(pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -177,10 +177,10 @@ public static ResourceSet<ConferenceResource> Read(ReadConferenceOptions options
         /// <param name="options"> Read Conference parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conference </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ConferenceResource>> ReadAsync(ReadConferenceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ConferenceResource>> ReadAsync(ReadConferenceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ConferenceResource>.FromJson("conferences", response.Content);
             return new ResourceSet<ConferenceResource>(page, options, client);
@@ -245,10 +245,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ConferenceResource>>
                                                                                              ConferenceResource.StatusEnum status = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadConferenceOptions(){ PathAccountSid = pathAccountSid, DateCreatedBefore = dateCreatedBefore, DateCreated = dateCreated, DateCreatedAfter = dateCreatedAfter, DateUpdatedBefore = dateUpdatedBefore, DateUpdated = dateUpdated, DateUpdatedAfter = dateUpdatedAfter, FriendlyName = friendlyName, Status = status, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -337,11 +337,12 @@ public static ConferenceResource Update(UpdateConferenceOptions options, ITwilio
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conference </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ConferenceResource> UpdateAsync(UpdateConferenceOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConferenceResource> UpdateAsync(UpdateConferenceOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -381,10 +382,10 @@ public static async System.Threading.Tasks.Task<ConferenceResource> UpdateAsync(
                                                                               ConferenceResource.UpdateStatusEnum status = null,
                                                                               Uri announceUrl = null,
                                                                               Twilio.Http.HttpMethod announceMethod = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateConferenceOptions(pathSid){ PathAccountSid = pathAccountSid, Status = status, AnnounceUrl = announceUrl, AnnounceMethod = announceMethod };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/ConnectAppResource.cs b/src/Twilio/Rest/Api/V2010/Account/ConnectAppResource.cs
index c1284fb89..091e54673 100644
--- a/src/Twilio/Rest/Api/V2010/Account/ConnectAppResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/ConnectAppResource.cs
@@ -86,11 +86,12 @@ public static bool Delete(DeleteConnectAppOptions options, ITwilioRestClient cli
         /// <param name="options"> Delete ConnectApp parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectApp </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteConnectAppOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteConnectAppOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -112,10 +113,10 @@ public static bool Delete(string pathSid, string pathAccountSid = null, ITwilioR
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the ConnectApp resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectApp </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteConnectAppOptions(pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -154,10 +155,10 @@ public static ConnectAppResource Fetch(FetchConnectAppOptions options, ITwilioRe
         /// <param name="options"> Fetch ConnectApp parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectApp </returns>
-        public static async System.Threading.Tasks.Task<ConnectAppResource> FetchAsync(FetchConnectAppOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConnectAppResource> FetchAsync(FetchConnectAppOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -181,10 +182,10 @@ public static ConnectAppResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the ConnectApp resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectApp </returns>
-        public static async System.Threading.Tasks.Task<ConnectAppResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConnectAppResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchConnectAppOptions(pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -221,10 +222,10 @@ public static ResourceSet<ConnectAppResource> Read(ReadConnectAppOptions options
         /// <param name="options"> Read ConnectApp parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectApp </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ConnectAppResource>> ReadAsync(ReadConnectAppOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ConnectAppResource>> ReadAsync(ReadConnectAppOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ConnectAppResource>.FromJson("connect_apps", response.Content);
             return new ResourceSet<ConnectAppResource>(page, options, client);
@@ -257,10 +258,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ConnectAppResource>>
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadConnectAppOptions(){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -349,11 +350,12 @@ public static ConnectAppResource Update(UpdateConnectAppOptions options, ITwilio
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectApp </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ConnectAppResource> UpdateAsync(UpdateConnectAppOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConnectAppResource> UpdateAsync(UpdateConnectAppOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -413,10 +415,10 @@ public static async System.Threading.Tasks.Task<ConnectAppResource> UpdateAsync(
                                                                               string friendlyName = null,
                                                                               Uri homepageUrl = null,
                                                                               List<ConnectAppResource.PermissionEnum> permissions = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateConnectAppOptions(pathSid){ PathAccountSid = pathAccountSid, AuthorizeRedirectUrl = authorizeRedirectUrl, CompanyName = companyName, DeauthorizeCallbackMethod = deauthorizeCallbackMethod, DeauthorizeCallbackUrl = deauthorizeCallbackUrl, Description = description, FriendlyName = friendlyName, HomepageUrl = homepageUrl, Permissions = permissions };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/AssignedAddOn/AssignedAddOnExtensionResource.cs b/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/AssignedAddOn/AssignedAddOnExtensionResource.cs
index 63aab4936..bba81a9ec 100644
--- a/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/AssignedAddOn/AssignedAddOnExtensionResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/AssignedAddOn/AssignedAddOnExtensionResource.cs
@@ -73,10 +73,10 @@ public static AssignedAddOnExtensionResource Fetch(FetchAssignedAddOnExtensionOp
         /// <param name="options"> Fetch AssignedAddOnExtension parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssignedAddOnExtension </returns>
-        public static async System.Threading.Tasks.Task<AssignedAddOnExtensionResource> FetchAsync(FetchAssignedAddOnExtensionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssignedAddOnExtensionResource> FetchAsync(FetchAssignedAddOnExtensionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -106,10 +106,10 @@ public static AssignedAddOnExtensionResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssignedAddOnExtension </returns>
-        public static async System.Threading.Tasks.Task<AssignedAddOnExtensionResource> FetchAsync(string pathResourceSid, string pathAssignedAddOnSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssignedAddOnExtensionResource> FetchAsync(string pathResourceSid, string pathAssignedAddOnSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAssignedAddOnExtensionOptions(pathResourceSid, pathAssignedAddOnSid, pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -150,10 +150,10 @@ public static ResourceSet<AssignedAddOnExtensionResource> Read(ReadAssignedAddOn
         /// <param name="options"> Read AssignedAddOnExtension parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssignedAddOnExtension </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AssignedAddOnExtensionResource>> ReadAsync(ReadAssignedAddOnExtensionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AssignedAddOnExtensionResource>> ReadAsync(ReadAssignedAddOnExtensionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AssignedAddOnExtensionResource>.FromJson("extensions", response.Content);
             return new ResourceSet<AssignedAddOnExtensionResource>(page, options, client);
@@ -194,10 +194,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AssignedAddOnExtensi
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAssignedAddOnExtensionOptions(pathResourceSid, pathAssignedAddOnSid){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/AssignedAddOnResource.cs b/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/AssignedAddOnResource.cs
index 3239fd30d..4810d6e94 100644
--- a/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/AssignedAddOnResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/AssignedAddOnResource.cs
@@ -70,10 +70,10 @@ public static AssignedAddOnResource Create(CreateAssignedAddOnOptions options, I
         /// <param name="options"> Create AssignedAddOn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssignedAddOn </returns>
-        public static async System.Threading.Tasks.Task<AssignedAddOnResource> CreateAsync(CreateAssignedAddOnOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssignedAddOnResource> CreateAsync(CreateAssignedAddOnOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -105,10 +105,10 @@ public static async System.Threading.Tasks.Task<AssignedAddOnResource> CreateAsy
                                                                                   string pathResourceSid,
                                                                                   string installedAddOnSid,
                                                                                   string pathAccountSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAssignedAddOnOptions(pathResourceSid, installedAddOnSid){  PathAccountSid = pathAccountSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -153,11 +153,12 @@ public static bool Delete(DeleteAssignedAddOnOptions options, ITwilioRestClient
         /// <param name="options"> Delete AssignedAddOn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssignedAddOn </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAssignedAddOnOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAssignedAddOnOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -181,10 +182,10 @@ public static bool Delete(string pathResourceSid, string pathSid, string pathAcc
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssignedAddOn </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathResourceSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathResourceSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAssignedAddOnOptions(pathResourceSid, pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -225,10 +226,10 @@ public static AssignedAddOnResource Fetch(FetchAssignedAddOnOptions options, ITw
         /// <param name="options"> Fetch AssignedAddOn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssignedAddOn </returns>
-        public static async System.Threading.Tasks.Task<AssignedAddOnResource> FetchAsync(FetchAssignedAddOnOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssignedAddOnResource> FetchAsync(FetchAssignedAddOnOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -255,10 +256,10 @@ public static AssignedAddOnResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssignedAddOn </returns>
-        public static async System.Threading.Tasks.Task<AssignedAddOnResource> FetchAsync(string pathResourceSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssignedAddOnResource> FetchAsync(string pathResourceSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAssignedAddOnOptions(pathResourceSid, pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -297,10 +298,10 @@ public static ResourceSet<AssignedAddOnResource> Read(ReadAssignedAddOnOptions o
         /// <param name="options"> Read AssignedAddOn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssignedAddOn </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AssignedAddOnResource>> ReadAsync(ReadAssignedAddOnOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AssignedAddOnResource>> ReadAsync(ReadAssignedAddOnOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AssignedAddOnResource>.FromJson("assigned_add_ons", response.Content);
             return new ResourceSet<AssignedAddOnResource>(page, options, client);
@@ -337,10 +338,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AssignedAddOnResourc
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAssignedAddOnOptions(pathResourceSid){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/LocalResource.cs b/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/LocalResource.cs
index 8004170ec..413ef30b8 100644
--- a/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/LocalResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/LocalResource.cs
@@ -126,10 +126,10 @@ public static LocalResource Create(CreateLocalOptions options, ITwilioRestClient
         /// <param name="options"> Create Local parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Local </returns>
-        public static async System.Threading.Tasks.Task<LocalResource> CreateAsync(CreateLocalOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<LocalResource> CreateAsync(CreateLocalOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -245,10 +245,10 @@ public static async System.Threading.Tasks.Task<LocalResource> CreateAsync(
                                                                                   string trunkSid = null,
                                                                                   LocalResource.VoiceReceiveModeEnum voiceReceiveMode = null,
                                                                                   string bundleSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateLocalOptions(phoneNumber){  PathAccountSid = pathAccountSid, ApiVersion = apiVersion, FriendlyName = friendlyName, SmsApplicationSid = smsApplicationSid, SmsFallbackMethod = smsFallbackMethod, SmsFallbackUrl = smsFallbackUrl, SmsMethod = smsMethod, SmsUrl = smsUrl, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod, VoiceApplicationSid = voiceApplicationSid, VoiceCallerIdLookup = voiceCallerIdLookup, VoiceFallbackMethod = voiceFallbackMethod, VoiceFallbackUrl = voiceFallbackUrl, VoiceMethod = voiceMethod, VoiceUrl = voiceUrl, IdentitySid = identitySid, AddressSid = addressSid, EmergencyStatus = emergencyStatus, EmergencyAddressSid = emergencyAddressSid, TrunkSid = trunkSid, VoiceReceiveMode = voiceReceiveMode, BundleSid = bundleSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -285,10 +285,10 @@ public static ResourceSet<LocalResource> Read(ReadLocalOptions options, ITwilioR
         /// <param name="options"> Read Local parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Local </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<LocalResource>> ReadAsync(ReadLocalOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<LocalResource>> ReadAsync(ReadLocalOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<LocalResource>.FromJson("incoming_phone_numbers", response.Content);
             return new ResourceSet<LocalResource>(page, options, client);
@@ -337,10 +337,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<LocalResource>> Read
                                                                                              string origin = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadLocalOptions(){ PathAccountSid = pathAccountSid, Beta = beta, FriendlyName = friendlyName, PhoneNumber = phoneNumber, Origin = origin, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/MobileResource.cs b/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/MobileResource.cs
index b8f6e47df..1eeb4ac3b 100644
--- a/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/MobileResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/MobileResource.cs
@@ -126,10 +126,10 @@ public static MobileResource Create(CreateMobileOptions options, ITwilioRestClie
         /// <param name="options"> Create Mobile parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Mobile </returns>
-        public static async System.Threading.Tasks.Task<MobileResource> CreateAsync(CreateMobileOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MobileResource> CreateAsync(CreateMobileOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -245,10 +245,10 @@ public static async System.Threading.Tasks.Task<MobileResource> CreateAsync(
                                                                                   string trunkSid = null,
                                                                                   MobileResource.VoiceReceiveModeEnum voiceReceiveMode = null,
                                                                                   string bundleSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateMobileOptions(phoneNumber){  PathAccountSid = pathAccountSid, ApiVersion = apiVersion, FriendlyName = friendlyName, SmsApplicationSid = smsApplicationSid, SmsFallbackMethod = smsFallbackMethod, SmsFallbackUrl = smsFallbackUrl, SmsMethod = smsMethod, SmsUrl = smsUrl, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod, VoiceApplicationSid = voiceApplicationSid, VoiceCallerIdLookup = voiceCallerIdLookup, VoiceFallbackMethod = voiceFallbackMethod, VoiceFallbackUrl = voiceFallbackUrl, VoiceMethod = voiceMethod, VoiceUrl = voiceUrl, IdentitySid = identitySid, AddressSid = addressSid, EmergencyStatus = emergencyStatus, EmergencyAddressSid = emergencyAddressSid, TrunkSid = trunkSid, VoiceReceiveMode = voiceReceiveMode, BundleSid = bundleSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -285,10 +285,10 @@ public static ResourceSet<MobileResource> Read(ReadMobileOptions options, ITwili
         /// <param name="options"> Read Mobile parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Mobile </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MobileResource>> ReadAsync(ReadMobileOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MobileResource>> ReadAsync(ReadMobileOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MobileResource>.FromJson("incoming_phone_numbers", response.Content);
             return new ResourceSet<MobileResource>(page, options, client);
@@ -337,10 +337,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<MobileResource>> Rea
                                                                                              string origin = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMobileOptions(){ PathAccountSid = pathAccountSid, Beta = beta, FriendlyName = friendlyName, PhoneNumber = phoneNumber, Origin = origin, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/TollFreeResource.cs b/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/TollFreeResource.cs
index 226a27c6f..552e7ad42 100644
--- a/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/TollFreeResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumber/TollFreeResource.cs
@@ -126,10 +126,10 @@ public static TollFreeResource Create(CreateTollFreeOptions options, ITwilioRest
         /// <param name="options"> Create TollFree parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TollFree </returns>
-        public static async System.Threading.Tasks.Task<TollFreeResource> CreateAsync(CreateTollFreeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TollFreeResource> CreateAsync(CreateTollFreeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -245,10 +245,10 @@ public static async System.Threading.Tasks.Task<TollFreeResource> CreateAsync(
                                                                                   string trunkSid = null,
                                                                                   TollFreeResource.VoiceReceiveModeEnum voiceReceiveMode = null,
                                                                                   string bundleSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTollFreeOptions(phoneNumber){  PathAccountSid = pathAccountSid, ApiVersion = apiVersion, FriendlyName = friendlyName, SmsApplicationSid = smsApplicationSid, SmsFallbackMethod = smsFallbackMethod, SmsFallbackUrl = smsFallbackUrl, SmsMethod = smsMethod, SmsUrl = smsUrl, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod, VoiceApplicationSid = voiceApplicationSid, VoiceCallerIdLookup = voiceCallerIdLookup, VoiceFallbackMethod = voiceFallbackMethod, VoiceFallbackUrl = voiceFallbackUrl, VoiceMethod = voiceMethod, VoiceUrl = voiceUrl, IdentitySid = identitySid, AddressSid = addressSid, EmergencyStatus = emergencyStatus, EmergencyAddressSid = emergencyAddressSid, TrunkSid = trunkSid, VoiceReceiveMode = voiceReceiveMode, BundleSid = bundleSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -285,10 +285,10 @@ public static ResourceSet<TollFreeResource> Read(ReadTollFreeOptions options, IT
         /// <param name="options"> Read TollFree parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TollFree </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TollFreeResource>> ReadAsync(ReadTollFreeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TollFreeResource>> ReadAsync(ReadTollFreeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<TollFreeResource>.FromJson("incoming_phone_numbers", response.Content);
             return new ResourceSet<TollFreeResource>(page, options, client);
@@ -337,10 +337,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<TollFreeResource>> R
                                                                                              string origin = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTollFreeOptions(){ PathAccountSid = pathAccountSid, Beta = beta, FriendlyName = friendlyName, PhoneNumber = phoneNumber, Origin = origin, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumberResource.cs b/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumberResource.cs
index 5415fdf3b..d014d3647 100644
--- a/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumberResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/IncomingPhoneNumberResource.cs
@@ -126,10 +126,10 @@ public static IncomingPhoneNumberResource Create(CreateIncomingPhoneNumberOption
         /// <param name="options"> Create IncomingPhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IncomingPhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<IncomingPhoneNumberResource> CreateAsync(CreateIncomingPhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IncomingPhoneNumberResource> CreateAsync(CreateIncomingPhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -249,10 +249,10 @@ public static async System.Threading.Tasks.Task<IncomingPhoneNumberResource> Cre
                                                                                   string addressSid = null,
                                                                                   IncomingPhoneNumberResource.VoiceReceiveModeEnum voiceReceiveMode = null,
                                                                                   string bundleSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateIncomingPhoneNumberOptions(){  PathAccountSid = pathAccountSid, PhoneNumber = phoneNumber, AreaCode = areaCode, ApiVersion = apiVersion, FriendlyName = friendlyName, SmsApplicationSid = smsApplicationSid, SmsFallbackMethod = smsFallbackMethod, SmsFallbackUrl = smsFallbackUrl, SmsMethod = smsMethod, SmsUrl = smsUrl, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod, VoiceApplicationSid = voiceApplicationSid, VoiceCallerIdLookup = voiceCallerIdLookup, VoiceFallbackMethod = voiceFallbackMethod, VoiceFallbackUrl = voiceFallbackUrl, VoiceMethod = voiceMethod, VoiceUrl = voiceUrl, EmergencyStatus = emergencyStatus, EmergencyAddressSid = emergencyAddressSid, TrunkSid = trunkSid, IdentitySid = identitySid, AddressSid = addressSid, VoiceReceiveMode = voiceReceiveMode, BundleSid = bundleSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -295,11 +295,12 @@ public static bool Delete(DeleteIncomingPhoneNumberOptions options, ITwilioRestC
         /// <param name="options"> Delete IncomingPhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IncomingPhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteIncomingPhoneNumberOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteIncomingPhoneNumberOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -321,10 +322,10 @@ public static bool Delete(string pathSid, string pathAccountSid = null, ITwilioR
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the IncomingPhoneNumber resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IncomingPhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteIncomingPhoneNumberOptions(pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -363,10 +364,10 @@ public static IncomingPhoneNumberResource Fetch(FetchIncomingPhoneNumberOptions
         /// <param name="options"> Fetch IncomingPhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IncomingPhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<IncomingPhoneNumberResource> FetchAsync(FetchIncomingPhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IncomingPhoneNumberResource> FetchAsync(FetchIncomingPhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -390,10 +391,10 @@ public static IncomingPhoneNumberResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the IncomingPhoneNumber resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IncomingPhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<IncomingPhoneNumberResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IncomingPhoneNumberResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchIncomingPhoneNumberOptions(pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -430,10 +431,10 @@ public static ResourceSet<IncomingPhoneNumberResource> Read(ReadIncomingPhoneNum
         /// <param name="options"> Read IncomingPhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IncomingPhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<IncomingPhoneNumberResource>> ReadAsync(ReadIncomingPhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<IncomingPhoneNumberResource>> ReadAsync(ReadIncomingPhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<IncomingPhoneNumberResource>.FromJson("incoming_phone_numbers", response.Content);
             return new ResourceSet<IncomingPhoneNumberResource>(page, options, client);
@@ -482,10 +483,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<IncomingPhoneNumberR
                                                                                              string origin = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadIncomingPhoneNumberOptions(){ PathAccountSid = pathAccountSid, Beta = beta, FriendlyName = friendlyName, PhoneNumber = phoneNumber, Origin = origin, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -574,11 +575,12 @@ public static IncomingPhoneNumberResource Update(UpdateIncomingPhoneNumberOption
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IncomingPhoneNumber </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<IncomingPhoneNumberResource> UpdateAsync(UpdateIncomingPhoneNumberOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IncomingPhoneNumberResource> UpdateAsync(UpdateIncomingPhoneNumberOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -698,10 +700,10 @@ public static async System.Threading.Tasks.Task<IncomingPhoneNumberResource> Upd
                                                                               string identitySid = null,
                                                                               string addressSid = null,
                                                                               string bundleSid = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateIncomingPhoneNumberOptions(pathSid){ PathAccountSid = pathAccountSid, AccountSid = accountSid, ApiVersion = apiVersion, FriendlyName = friendlyName, SmsApplicationSid = smsApplicationSid, SmsFallbackMethod = smsFallbackMethod, SmsFallbackUrl = smsFallbackUrl, SmsMethod = smsMethod, SmsUrl = smsUrl, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod, VoiceApplicationSid = voiceApplicationSid, VoiceCallerIdLookup = voiceCallerIdLookup, VoiceFallbackMethod = voiceFallbackMethod, VoiceFallbackUrl = voiceFallbackUrl, VoiceMethod = voiceMethod, VoiceUrl = voiceUrl, EmergencyStatus = emergencyStatus, EmergencyAddressSid = emergencyAddressSid, TrunkSid = trunkSid, VoiceReceiveMode = voiceReceiveMode, IdentitySid = identitySid, AddressSid = addressSid, BundleSid = bundleSid };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/KeyResource.cs b/src/Twilio/Rest/Api/V2010/Account/KeyResource.cs
index 2c5bb52a5..49800a64e 100644
--- a/src/Twilio/Rest/Api/V2010/Account/KeyResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/KeyResource.cs
@@ -73,11 +73,12 @@ public static bool Delete(DeleteKeyOptions options, ITwilioRestClient client = n
         /// <param name="options"> Delete Key parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Key </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteKeyOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteKeyOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -99,10 +100,10 @@ public static bool Delete(string pathSid, string pathAccountSid = null, ITwilioR
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Key resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Key </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteKeyOptions(pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -141,10 +142,10 @@ public static KeyResource Fetch(FetchKeyOptions options, ITwilioRestClient clien
         /// <param name="options"> Fetch Key parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Key </returns>
-        public static async System.Threading.Tasks.Task<KeyResource> FetchAsync(FetchKeyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<KeyResource> FetchAsync(FetchKeyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -168,10 +169,10 @@ public static KeyResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Key resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Key </returns>
-        public static async System.Threading.Tasks.Task<KeyResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<KeyResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchKeyOptions(pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -208,10 +209,10 @@ public static ResourceSet<KeyResource> Read(ReadKeyOptions options, ITwilioRestC
         /// <param name="options"> Read Key parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Key </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<KeyResource>> ReadAsync(ReadKeyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<KeyResource>> ReadAsync(ReadKeyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<KeyResource>.FromJson("keys", response.Content);
             return new ResourceSet<KeyResource>(page, options, client);
@@ -244,10 +245,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<KeyResource>> ReadAs
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadKeyOptions(){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -336,11 +337,12 @@ public static KeyResource Update(UpdateKeyOptions options, ITwilioRestClient cli
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Key </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<KeyResource> UpdateAsync(UpdateKeyOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<KeyResource> UpdateAsync(UpdateKeyOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -372,10 +374,10 @@ public static async System.Threading.Tasks.Task<KeyResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string pathAccountSid = null,
                                                                               string friendlyName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateKeyOptions(pathSid){ PathAccountSid = pathAccountSid, FriendlyName = friendlyName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/Message/FeedbackResource.cs b/src/Twilio/Rest/Api/V2010/Account/Message/FeedbackResource.cs
index 224a2a8ea..658b45c34 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Message/FeedbackResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Message/FeedbackResource.cs
@@ -83,10 +83,10 @@ public static FeedbackResource Create(CreateFeedbackOptions options, ITwilioRest
         /// <param name="options"> Create Feedback parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Feedback </returns>
-        public static async System.Threading.Tasks.Task<FeedbackResource> CreateAsync(CreateFeedbackOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FeedbackResource> CreateAsync(CreateFeedbackOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -118,10 +118,10 @@ public static async System.Threading.Tasks.Task<FeedbackResource> CreateAsync(
                                                                                   string pathMessageSid,
                                                                                   string pathAccountSid = null,
                                                                                   FeedbackResource.OutcomeEnum outcome = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateFeedbackOptions(pathMessageSid){  PathAccountSid = pathAccountSid, Outcome = outcome };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/Message/MediaResource.cs b/src/Twilio/Rest/Api/V2010/Account/Message/MediaResource.cs
index 5571dc963..5604acd51 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Message/MediaResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Message/MediaResource.cs
@@ -75,11 +75,12 @@ public static bool Delete(DeleteMediaOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete Media parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Media </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMediaOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMediaOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -103,10 +104,10 @@ public static bool Delete(string pathMessageSid, string pathSid, string pathAcco
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that is associated with the Media resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Media </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathMessageSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathMessageSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteMediaOptions(pathMessageSid, pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -147,10 +148,10 @@ public static MediaResource Fetch(FetchMediaOptions options, ITwilioRestClient c
         /// <param name="options"> Fetch Media parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Media </returns>
-        public static async System.Threading.Tasks.Task<MediaResource> FetchAsync(FetchMediaOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MediaResource> FetchAsync(FetchMediaOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -177,10 +178,10 @@ public static MediaResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) associated with the Media resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Media </returns>
-        public static async System.Threading.Tasks.Task<MediaResource> FetchAsync(string pathMessageSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MediaResource> FetchAsync(string pathMessageSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchMediaOptions(pathMessageSid, pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -219,10 +220,10 @@ public static ResourceSet<MediaResource> Read(ReadMediaOptions options, ITwilioR
         /// <param name="options"> Read Media parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Media </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MediaResource>> ReadAsync(ReadMediaOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MediaResource>> ReadAsync(ReadMediaOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MediaResource>.FromJson("media_list", response.Content);
             return new ResourceSet<MediaResource>(page, options, client);
@@ -271,10 +272,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<MediaResource>> Read
                                                                                              DateTime? dateCreatedAfter = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMediaOptions(pathMessageSid){ PathAccountSid = pathAccountSid, DateCreatedBefore = dateCreatedBefore, DateCreated = dateCreated, DateCreatedAfter = dateCreatedAfter, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/MessageResource.cs b/src/Twilio/Rest/Api/V2010/Account/MessageResource.cs
index 2f2822757..0f00f0679 100644
--- a/src/Twilio/Rest/Api/V2010/Account/MessageResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/MessageResource.cs
@@ -165,10 +165,10 @@ public static MessageResource Create(CreateMessageOptions options, ITwilioRestCl
         /// <param name="options"> Create Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(CreateMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(CreateMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -284,10 +284,10 @@ public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(
                                                                                   bool? sendAsMms = null,
                                                                                   string contentVariables = null,
                                                                                   MessageResource.RiskCheckEnum riskCheck = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateMessageOptions(to){  PathAccountSid = pathAccountSid, From = from, MessagingServiceSid = messagingServiceSid, Body = body, MediaUrl = mediaUrl, ContentSid = contentSid, StatusCallback = statusCallback, ApplicationSid = applicationSid, MaxPrice = maxPrice, ProvideFeedback = provideFeedback, Attempt = attempt, ValidityPeriod = validityPeriod, ForceDelivery = forceDelivery, ContentRetention = contentRetention, AddressRetention = addressRetention, SmartEncoded = smartEncoded, PersistentAction = persistentAction, ShortenUrls = shortenUrls, ScheduleType = scheduleType, SendAt = sendAt, SendAsMms = sendAsMms, ContentVariables = contentVariables, RiskCheck = riskCheck };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -330,11 +330,12 @@ public static bool Delete(DeleteMessageOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMessageOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMessageOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -356,10 +357,10 @@ public static bool Delete(string pathSid, string pathAccountSid = null, ITwilioR
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) associated with the Message resource </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteMessageOptions(pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -398,10 +399,10 @@ public static MessageResource Fetch(FetchMessageOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(FetchMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(FetchMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -425,10 +426,10 @@ public static MessageResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) associated with the Message resource </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchMessageOptions(pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -465,10 +466,10 @@ public static ResourceSet<MessageResource> Read(ReadMessageOptions options, ITwi
         /// <param name="options"> Read Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> ReadAsync(ReadMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> ReadAsync(ReadMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MessageResource>.FromJson("messages", response.Content);
             return new ResourceSet<MessageResource>(page, options, client);
@@ -521,10 +522,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> Re
                                                                                              DateTime? dateSentAfter = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMessageOptions(){ PathAccountSid = pathAccountSid, To = to, From = from, DateSentBefore = dateSentBefore, DateSent = dateSent, DateSentAfter = dateSentAfter, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -613,11 +614,12 @@ public static MessageResource Update(UpdateMessageOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(UpdateMessageOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(UpdateMessageOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -653,10 +655,10 @@ public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(
                                                                               string pathAccountSid = null,
                                                                               string body = null,
                                                                               MessageResource.UpdateStatusEnum status = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateMessageOptions(pathSid){ PathAccountSid = pathAccountSid, Body = body, Status = status };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/NewKeyResource.cs b/src/Twilio/Rest/Api/V2010/Account/NewKeyResource.cs
index 8e43323b2..85308f35a 100644
--- a/src/Twilio/Rest/Api/V2010/Account/NewKeyResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/NewKeyResource.cs
@@ -68,10 +68,10 @@ public static NewKeyResource Create(CreateNewKeyOptions options, ITwilioRestClie
         /// <param name="options"> Create NewKey parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of NewKey </returns>
-        public static async System.Threading.Tasks.Task<NewKeyResource> CreateAsync(CreateNewKeyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NewKeyResource> CreateAsync(CreateNewKeyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static NewKeyResource Create(
         public static async System.Threading.Tasks.Task<NewKeyResource> CreateAsync(
                                                                                   string pathAccountSid = null,
                                                                                   string friendlyName = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateNewKeyOptions(){  PathAccountSid = pathAccountSid, FriendlyName = friendlyName };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/NewSigningKeyResource.cs b/src/Twilio/Rest/Api/V2010/Account/NewSigningKeyResource.cs
index 55e464699..eafe5e330 100644
--- a/src/Twilio/Rest/Api/V2010/Account/NewSigningKeyResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/NewSigningKeyResource.cs
@@ -68,10 +68,10 @@ public static NewSigningKeyResource Create(CreateNewSigningKeyOptions options, I
         /// <param name="options"> Create NewSigningKey parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of NewSigningKey </returns>
-        public static async System.Threading.Tasks.Task<NewSigningKeyResource> CreateAsync(CreateNewSigningKeyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NewSigningKeyResource> CreateAsync(CreateNewSigningKeyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static NewSigningKeyResource Create(
         public static async System.Threading.Tasks.Task<NewSigningKeyResource> CreateAsync(
                                                                                   string pathAccountSid = null,
                                                                                   string friendlyName = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateNewSigningKeyOptions(){  PathAccountSid = pathAccountSid, FriendlyName = friendlyName };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/NotificationResource.cs b/src/Twilio/Rest/Api/V2010/Account/NotificationResource.cs
index 33b63a926..1b4187608 100644
--- a/src/Twilio/Rest/Api/V2010/Account/NotificationResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/NotificationResource.cs
@@ -69,10 +69,10 @@ public static NotificationResource Fetch(FetchNotificationOptions options, ITwil
         /// <param name="options"> Fetch Notification parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Notification </returns>
-        public static async System.Threading.Tasks.Task<NotificationResource> FetchAsync(FetchNotificationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NotificationResource> FetchAsync(FetchNotificationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +96,10 @@ public static NotificationResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Notification resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Notification </returns>
-        public static async System.Threading.Tasks.Task<NotificationResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NotificationResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchNotificationOptions(pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -136,10 +136,10 @@ public static ResourceSet<NotificationResource> Read(ReadNotificationOptions opt
         /// <param name="options"> Read Notification parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Notification </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<NotificationResource>> ReadAsync(ReadNotificationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<NotificationResource>> ReadAsync(ReadNotificationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<NotificationResource>.FromJson("notifications", response.Content);
             return new ResourceSet<NotificationResource>(page, options, client);
@@ -188,10 +188,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<NotificationResource
                                                                                              DateTime? messageDateAfter = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadNotificationOptions(){ PathAccountSid = pathAccountSid, Log = log, MessageDateBefore = messageDateBefore, MessageDate = messageDate, MessageDateAfter = messageDateAfter, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/OutgoingCallerIdResource.cs b/src/Twilio/Rest/Api/V2010/Account/OutgoingCallerIdResource.cs
index ce3f6f3ee..e104a4ed8 100644
--- a/src/Twilio/Rest/Api/V2010/Account/OutgoingCallerIdResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/OutgoingCallerIdResource.cs
@@ -73,11 +73,12 @@ public static bool Delete(DeleteOutgoingCallerIdOptions options, ITwilioRestClie
         /// <param name="options"> Delete OutgoingCallerId parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OutgoingCallerId </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteOutgoingCallerIdOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteOutgoingCallerIdOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -99,10 +100,10 @@ public static bool Delete(string pathSid, string pathAccountSid = null, ITwilioR
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the OutgoingCallerId resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OutgoingCallerId </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteOutgoingCallerIdOptions(pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -141,10 +142,10 @@ public static OutgoingCallerIdResource Fetch(FetchOutgoingCallerIdOptions option
         /// <param name="options"> Fetch OutgoingCallerId parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OutgoingCallerId </returns>
-        public static async System.Threading.Tasks.Task<OutgoingCallerIdResource> FetchAsync(FetchOutgoingCallerIdOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<OutgoingCallerIdResource> FetchAsync(FetchOutgoingCallerIdOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -168,10 +169,10 @@ public static OutgoingCallerIdResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the OutgoingCallerId resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OutgoingCallerId </returns>
-        public static async System.Threading.Tasks.Task<OutgoingCallerIdResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<OutgoingCallerIdResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchOutgoingCallerIdOptions(pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -208,10 +209,10 @@ public static ResourceSet<OutgoingCallerIdResource> Read(ReadOutgoingCallerIdOpt
         /// <param name="options"> Read OutgoingCallerId parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OutgoingCallerId </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<OutgoingCallerIdResource>> ReadAsync(ReadOutgoingCallerIdOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<OutgoingCallerIdResource>> ReadAsync(ReadOutgoingCallerIdOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<OutgoingCallerIdResource>.FromJson("outgoing_caller_ids", response.Content);
             return new ResourceSet<OutgoingCallerIdResource>(page, options, client);
@@ -252,10 +253,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<OutgoingCallerIdReso
                                                                                              string friendlyName = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadOutgoingCallerIdOptions(){ PathAccountSid = pathAccountSid, PhoneNumber = phoneNumber, FriendlyName = friendlyName, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -344,11 +345,12 @@ public static OutgoingCallerIdResource Update(UpdateOutgoingCallerIdOptions opti
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OutgoingCallerId </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<OutgoingCallerIdResource> UpdateAsync(UpdateOutgoingCallerIdOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<OutgoingCallerIdResource> UpdateAsync(UpdateOutgoingCallerIdOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -380,10 +382,10 @@ public static async System.Threading.Tasks.Task<OutgoingCallerIdResource> Update
                                                                               string pathSid,
                                                                               string pathAccountSid = null,
                                                                               string friendlyName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateOutgoingCallerIdOptions(pathSid){ PathAccountSid = pathAccountSid, FriendlyName = friendlyName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/Queue/MemberResource.cs b/src/Twilio/Rest/Api/V2010/Account/Queue/MemberResource.cs
index 1ff07807d..56ef93e9e 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Queue/MemberResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Queue/MemberResource.cs
@@ -71,7 +71,7 @@ public static MemberResource Fetch(FetchMemberOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(FetchMemberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(FetchMemberOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -101,7 +101,7 @@ public static MemberResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Member resource(s) to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(string pathQueueSid, string pathCallSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(string pathQueueSid, string pathCallSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchMemberOptions(pathQueueSid, pathCallSid){ PathAccountSid = pathAccountSid };
             return await FetchAsync(options, client);
@@ -143,7 +143,7 @@ public static ResourceSet<MemberResource> Read(ReadMemberOptions options, ITwili
         /// <param name="options"> Read Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MemberResource>> ReadAsync(ReadMemberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MemberResource>> ReadAsync(ReadMemberOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -183,7 +183,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<MemberResource>> Rea
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMemberOptions(pathQueueSid){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
@@ -278,7 +278,7 @@ public static MemberResource Update(UpdateMemberOptions options, ITwilioRestClie
         /// <returns> Task that resolves to A single instance of Member </returns>
         #if !NET35
         public static async System.Threading.Tasks.Task<MemberResource> UpdateAsync(UpdateMemberOptions options,
-                                                                                                    ITwilioRestClient client = null)
+                                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildUpdateRequest(options, client));
@@ -321,7 +321,7 @@ public static async System.Threading.Tasks.Task<MemberResource> UpdateAsync(
                                                                               Uri url,
                                                                               string pathAccountSid = null,
                                                                               Twilio.Http.HttpMethod method = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateMemberOptions(pathQueueSid, pathCallSid, url){ PathAccountSid = pathAccountSid, Method = method };
             return await UpdateAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/QueueResource.cs b/src/Twilio/Rest/Api/V2010/Account/QueueResource.cs
index be01b54e6..2ae2172c9 100644
--- a/src/Twilio/Rest/Api/V2010/Account/QueueResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/QueueResource.cs
@@ -68,10 +68,10 @@ public static QueueResource Create(CreateQueueOptions options, ITwilioRestClient
         /// <param name="options"> Create Queue parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Queue </returns>
-        public static async System.Threading.Tasks.Task<QueueResource> CreateAsync(CreateQueueOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<QueueResource> CreateAsync(CreateQueueOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -103,10 +103,10 @@ public static async System.Threading.Tasks.Task<QueueResource> CreateAsync(
                                                                                   string friendlyName,
                                                                                   string pathAccountSid = null,
                                                                                   int? maxSize = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateQueueOptions(friendlyName){  PathAccountSid = pathAccountSid, MaxSize = maxSize };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,11 +149,12 @@ public static bool Delete(DeleteQueueOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete Queue parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Queue </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteQueueOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteQueueOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -175,10 +176,10 @@ public static bool Delete(string pathSid, string pathAccountSid = null, ITwilioR
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Queue resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Queue </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteQueueOptions(pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -217,10 +218,10 @@ public static QueueResource Fetch(FetchQueueOptions options, ITwilioRestClient c
         /// <param name="options"> Fetch Queue parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Queue </returns>
-        public static async System.Threading.Tasks.Task<QueueResource> FetchAsync(FetchQueueOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<QueueResource> FetchAsync(FetchQueueOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -244,10 +245,10 @@ public static QueueResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Queue resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Queue </returns>
-        public static async System.Threading.Tasks.Task<QueueResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<QueueResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchQueueOptions(pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -284,10 +285,10 @@ public static ResourceSet<QueueResource> Read(ReadQueueOptions options, ITwilioR
         /// <param name="options"> Read Queue parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Queue </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<QueueResource>> ReadAsync(ReadQueueOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<QueueResource>> ReadAsync(ReadQueueOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<QueueResource>.FromJson("queues", response.Content);
             return new ResourceSet<QueueResource>(page, options, client);
@@ -320,10 +321,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<QueueResource>> Read
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadQueueOptions(){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -412,11 +413,12 @@ public static QueueResource Update(UpdateQueueOptions options, ITwilioRestClient
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Queue </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<QueueResource> UpdateAsync(UpdateQueueOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<QueueResource> UpdateAsync(UpdateQueueOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -452,10 +454,10 @@ public static async System.Threading.Tasks.Task<QueueResource> UpdateAsync(
                                                                               string pathAccountSid = null,
                                                                               string friendlyName = null,
                                                                               int? maxSize = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateQueueOptions(pathSid){ PathAccountSid = pathAccountSid, FriendlyName = friendlyName, MaxSize = maxSize };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/Recording/AddOnResult/Payload/DataResource.cs b/src/Twilio/Rest/Api/V2010/Account/Recording/AddOnResult/Payload/DataResource.cs
index fbbd7c286..bf912b07c 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Recording/AddOnResult/Payload/DataResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Recording/AddOnResult/Payload/DataResource.cs
@@ -73,7 +73,7 @@ public static DataResource Fetch(FetchDataOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Data parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Data </returns>
-        public static async System.Threading.Tasks.Task<DataResource> FetchAsync(FetchDataOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DataResource> FetchAsync(FetchDataOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -106,7 +106,7 @@ public static DataResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Recording AddOnResult Payload resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Data </returns>
-        public static async System.Threading.Tasks.Task<DataResource> FetchAsync(string pathReferenceSid, string pathAddOnResultSid, string pathPayloadSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DataResource> FetchAsync(string pathReferenceSid, string pathAddOnResultSid, string pathPayloadSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDataOptions(pathReferenceSid, pathAddOnResultSid, pathPayloadSid){ PathAccountSid = pathAccountSid };
             return await FetchAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/Recording/AddOnResult/PayloadResource.cs b/src/Twilio/Rest/Api/V2010/Account/Recording/AddOnResult/PayloadResource.cs
index 87d5470f9..793f58a5e 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Recording/AddOnResult/PayloadResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Recording/AddOnResult/PayloadResource.cs
@@ -78,7 +78,7 @@ public static bool Delete(DeletePayloadOptions options, ITwilioRestClient client
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Payload </returns>
         public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeletePayloadOptions options,
-                                                                        ITwilioRestClient client = null)
+                                                                        ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildDeleteRequest(options, client));
@@ -107,7 +107,7 @@ public static bool Delete(string pathReferenceSid, string pathAddOnResultSid, st
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Recording AddOnResult Payload resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Payload </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathReferenceSid, string pathAddOnResultSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathReferenceSid, string pathAddOnResultSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeletePayloadOptions(pathReferenceSid, pathAddOnResultSid, pathSid)  { PathAccountSid = pathAccountSid };
             return await DeleteAsync(options, client);
@@ -153,7 +153,7 @@ public static PayloadResource Fetch(FetchPayloadOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Payload parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Payload </returns>
-        public static async System.Threading.Tasks.Task<PayloadResource> FetchAsync(FetchPayloadOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PayloadResource> FetchAsync(FetchPayloadOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -186,7 +186,7 @@ public static PayloadResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Recording AddOnResult Payload resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Payload </returns>
-        public static async System.Threading.Tasks.Task<PayloadResource> FetchAsync(string pathReferenceSid, string pathAddOnResultSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PayloadResource> FetchAsync(string pathReferenceSid, string pathAddOnResultSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPayloadOptions(pathReferenceSid, pathAddOnResultSid, pathSid){ PathAccountSid = pathAccountSid };
             return await FetchAsync(options, client);
@@ -230,7 +230,7 @@ public static ResourceSet<PayloadResource> Read(ReadPayloadOptions options, ITwi
         /// <param name="options"> Read Payload parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Payload </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<PayloadResource>> ReadAsync(ReadPayloadOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<PayloadResource>> ReadAsync(ReadPayloadOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -274,7 +274,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<PayloadResource>> Re
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadPayloadOptions(pathReferenceSid, pathAddOnResultSid){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/Recording/AddOnResultResource.cs b/src/Twilio/Rest/Api/V2010/Account/Recording/AddOnResultResource.cs
index 8d407604b..fe9f1810b 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Recording/AddOnResultResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Recording/AddOnResultResource.cs
@@ -95,7 +95,7 @@ public static bool Delete(DeleteAddOnResultOptions options, ITwilioRestClient cl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AddOnResult </returns>
         public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAddOnResultOptions options,
-                                                                        ITwilioRestClient client = null)
+                                                                        ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildDeleteRequest(options, client));
@@ -122,7 +122,7 @@ public static bool Delete(string pathReferenceSid, string pathSid, string pathAc
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Recording AddOnResult resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AddOnResult </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathReferenceSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathReferenceSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAddOnResultOptions(pathReferenceSid, pathSid)  { PathAccountSid = pathAccountSid };
             return await DeleteAsync(options, client);
@@ -166,7 +166,7 @@ public static AddOnResultResource Fetch(FetchAddOnResultOptions options, ITwilio
         /// <param name="options"> Fetch AddOnResult parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AddOnResult </returns>
-        public static async System.Threading.Tasks.Task<AddOnResultResource> FetchAsync(FetchAddOnResultOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AddOnResultResource> FetchAsync(FetchAddOnResultOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -196,7 +196,7 @@ public static AddOnResultResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Recording AddOnResult resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AddOnResult </returns>
-        public static async System.Threading.Tasks.Task<AddOnResultResource> FetchAsync(string pathReferenceSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AddOnResultResource> FetchAsync(string pathReferenceSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAddOnResultOptions(pathReferenceSid, pathSid){ PathAccountSid = pathAccountSid };
             return await FetchAsync(options, client);
@@ -238,7 +238,7 @@ public static ResourceSet<AddOnResultResource> Read(ReadAddOnResultOptions optio
         /// <param name="options"> Read AddOnResult parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AddOnResult </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AddOnResultResource>> ReadAsync(ReadAddOnResultOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AddOnResultResource>> ReadAsync(ReadAddOnResultOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -278,7 +278,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<AddOnResultResource>
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAddOnResultOptions(pathReferenceSid){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/Recording/TranscriptionResource.cs b/src/Twilio/Rest/Api/V2010/Account/Recording/TranscriptionResource.cs
index d3a51164e..0e290119a 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Recording/TranscriptionResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Recording/TranscriptionResource.cs
@@ -90,7 +90,7 @@ public static bool Delete(DeleteTranscriptionOptions options, ITwilioRestClient
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcription </returns>
         public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTranscriptionOptions options,
-                                                                        ITwilioRestClient client = null)
+                                                                        ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildDeleteRequest(options, client));
@@ -117,7 +117,7 @@ public static bool Delete(string pathRecordingSid, string pathSid, string pathAc
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Transcription resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcription </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathRecordingSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathRecordingSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteTranscriptionOptions(pathRecordingSid, pathSid)  { PathAccountSid = pathAccountSid };
             return await DeleteAsync(options, client);
@@ -161,7 +161,7 @@ public static TranscriptionResource Fetch(FetchTranscriptionOptions options, ITw
         /// <param name="options"> Fetch Transcription parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcription </returns>
-        public static async System.Threading.Tasks.Task<TranscriptionResource> FetchAsync(FetchTranscriptionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TranscriptionResource> FetchAsync(FetchTranscriptionOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -191,7 +191,7 @@ public static TranscriptionResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Transcription resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcription </returns>
-        public static async System.Threading.Tasks.Task<TranscriptionResource> FetchAsync(string pathRecordingSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TranscriptionResource> FetchAsync(string pathRecordingSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTranscriptionOptions(pathRecordingSid, pathSid){ PathAccountSid = pathAccountSid };
             return await FetchAsync(options, client);
@@ -233,7 +233,7 @@ public static ResourceSet<TranscriptionResource> Read(ReadTranscriptionOptions o
         /// <param name="options"> Read Transcription parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcription </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TranscriptionResource>> ReadAsync(ReadTranscriptionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TranscriptionResource>> ReadAsync(ReadTranscriptionOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -273,7 +273,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<TranscriptionResourc
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTranscriptionOptions(pathRecordingSid){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/RecordingResource.cs b/src/Twilio/Rest/Api/V2010/Account/RecordingResource.cs
index f9cddc31b..4bf534726 100644
--- a/src/Twilio/Rest/Api/V2010/Account/RecordingResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/RecordingResource.cs
@@ -109,11 +109,12 @@ public static bool Delete(DeleteRecordingOptions options, ITwilioRestClient clie
         /// <param name="options"> Delete Recording parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRecordingOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRecordingOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -135,10 +136,10 @@ public static bool Delete(string pathSid, string pathAccountSid = null, ITwilioR
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Recording resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteRecordingOptions(pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -177,10 +178,10 @@ public static RecordingResource Fetch(FetchRecordingOptions options, ITwilioRest
         /// <param name="options"> Fetch Recording parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(FetchRecordingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(FetchRecordingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -207,10 +208,10 @@ public static RecordingResource Fetch(
         /// <param name="includeSoftDeleted"> A boolean parameter indicating whether to retrieve soft deleted recordings or not. Recordings metadata are kept after deletion for a retention period of 40 days. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(string pathSid, string pathAccountSid = null, bool? includeSoftDeleted = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(string pathSid, string pathAccountSid = null, bool? includeSoftDeleted = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRecordingOptions(pathSid){ PathAccountSid = pathAccountSid,IncludeSoftDeleted = includeSoftDeleted };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -247,10 +248,10 @@ public static ResourceSet<RecordingResource> Read(ReadRecordingOptions options,
         /// <param name="options"> Read Recording parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RecordingResource>> ReadAsync(ReadRecordingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RecordingResource>> ReadAsync(ReadRecordingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RecordingResource>.FromJson("recordings", response.Content);
             return new ResourceSet<RecordingResource>(page, options, client);
@@ -307,10 +308,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<RecordingResource>>
                                                                                              bool? includeSoftDeleted = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRecordingOptions(){ PathAccountSid = pathAccountSid, DateCreatedBefore = dateCreatedBefore, DateCreated = dateCreated, DateCreatedAfter = dateCreatedAfter, CallSid = callSid, ConferenceSid = conferenceSid, IncludeSoftDeleted = includeSoftDeleted, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/ShortCodeResource.cs b/src/Twilio/Rest/Api/V2010/Account/ShortCodeResource.cs
index 2205e7f03..eec9667a0 100644
--- a/src/Twilio/Rest/Api/V2010/Account/ShortCodeResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/ShortCodeResource.cs
@@ -69,10 +69,10 @@ public static ShortCodeResource Fetch(FetchShortCodeOptions options, ITwilioRest
         /// <param name="options"> Fetch ShortCode parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
-        public static async System.Threading.Tasks.Task<ShortCodeResource> FetchAsync(FetchShortCodeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ShortCodeResource> FetchAsync(FetchShortCodeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +96,10 @@ public static ShortCodeResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the ShortCode resource(s) to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
-        public static async System.Threading.Tasks.Task<ShortCodeResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ShortCodeResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchShortCodeOptions(pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -136,10 +136,10 @@ public static ResourceSet<ShortCodeResource> Read(ReadShortCodeOptions options,
         /// <param name="options"> Read ShortCode parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ShortCodeResource>> ReadAsync(ReadShortCodeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ShortCodeResource>> ReadAsync(ReadShortCodeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ShortCodeResource>.FromJson("short_codes", response.Content);
             return new ResourceSet<ShortCodeResource>(page, options, client);
@@ -180,10 +180,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ShortCodeResource>>
                                                                                              string shortCode = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadShortCodeOptions(){ PathAccountSid = pathAccountSid, FriendlyName = friendlyName, ShortCode = shortCode, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -272,11 +272,12 @@ public static ShortCodeResource Update(UpdateShortCodeOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ShortCodeResource> UpdateAsync(UpdateShortCodeOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ShortCodeResource> UpdateAsync(UpdateShortCodeOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -328,10 +329,10 @@ public static async System.Threading.Tasks.Task<ShortCodeResource> UpdateAsync(
                                                                               Twilio.Http.HttpMethod smsMethod = null,
                                                                               Uri smsFallbackUrl = null,
                                                                               Twilio.Http.HttpMethod smsFallbackMethod = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateShortCodeOptions(pathSid){ PathAccountSid = pathAccountSid, FriendlyName = friendlyName, ApiVersion = apiVersion, SmsUrl = smsUrl, SmsMethod = smsMethod, SmsFallbackUrl = smsFallbackUrl, SmsFallbackMethod = smsFallbackMethod };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/SigningKeyResource.cs b/src/Twilio/Rest/Api/V2010/Account/SigningKeyResource.cs
index e0d8a6549..e1a59d20a 100644
--- a/src/Twilio/Rest/Api/V2010/Account/SigningKeyResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/SigningKeyResource.cs
@@ -73,11 +73,12 @@ public static bool Delete(DeleteSigningKeyOptions options, ITwilioRestClient cli
         /// <param name="options"> Delete SigningKey parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SigningKey </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSigningKeyOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSigningKeyOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -99,10 +100,10 @@ public static bool Delete(string pathSid, string pathAccountSid = null, ITwilioR
         /// <param name="pathAccountSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SigningKey </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSigningKeyOptions(pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -141,10 +142,10 @@ public static SigningKeyResource Fetch(FetchSigningKeyOptions options, ITwilioRe
         /// <param name="options"> Fetch SigningKey parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SigningKey </returns>
-        public static async System.Threading.Tasks.Task<SigningKeyResource> FetchAsync(FetchSigningKeyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SigningKeyResource> FetchAsync(FetchSigningKeyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -168,10 +169,10 @@ public static SigningKeyResource Fetch(
         /// <param name="pathAccountSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SigningKey </returns>
-        public static async System.Threading.Tasks.Task<SigningKeyResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SigningKeyResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSigningKeyOptions(pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -208,10 +209,10 @@ public static ResourceSet<SigningKeyResource> Read(ReadSigningKeyOptions options
         /// <param name="options"> Read SigningKey parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SigningKey </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SigningKeyResource>> ReadAsync(ReadSigningKeyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SigningKeyResource>> ReadAsync(ReadSigningKeyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SigningKeyResource>.FromJson("signing_keys", response.Content);
             return new ResourceSet<SigningKeyResource>(page, options, client);
@@ -244,10 +245,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SigningKeyResource>>
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSigningKeyOptions(){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -336,11 +337,12 @@ public static SigningKeyResource Update(UpdateSigningKeyOptions options, ITwilio
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SigningKey </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SigningKeyResource> UpdateAsync(UpdateSigningKeyOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SigningKeyResource> UpdateAsync(UpdateSigningKeyOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -372,10 +374,10 @@ public static async System.Threading.Tasks.Task<SigningKeyResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string pathAccountSid = null,
                                                                               string friendlyName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSigningKeyOptions(pathSid){ PathAccountSid = pathAccountSid, FriendlyName = friendlyName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/Sip/CredentialList/CredentialResource.cs b/src/Twilio/Rest/Api/V2010/Account/Sip/CredentialList/CredentialResource.cs
index 72cc262ba..61a43e0c2 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Sip/CredentialList/CredentialResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Sip/CredentialList/CredentialResource.cs
@@ -70,10 +70,10 @@ public static CredentialResource Create(CreateCredentialOptions options, ITwilio
         /// <param name="options"> Create Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(CreateCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(CreateCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -109,10 +109,10 @@ public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(
                                                                                   string username,
                                                                                   string password,
                                                                                   string pathAccountSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCredentialOptions(pathCredentialListSid, username, password){  PathAccountSid = pathAccountSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,11 +157,12 @@ public static bool Delete(DeleteCredentialOptions options, ITwilioRestClient cli
         /// <param name="options"> Delete Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -185,10 +186,10 @@ public static bool Delete(string pathCredentialListSid, string pathSid, string p
         /// <param name="pathAccountSid"> The unique id of the Account that is responsible for this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathCredentialListSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathCredentialListSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCredentialOptions(pathCredentialListSid, pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -229,10 +230,10 @@ public static CredentialResource Fetch(FetchCredentialOptions options, ITwilioRe
         /// <param name="options"> Fetch Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(FetchCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(FetchCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -259,10 +260,10 @@ public static CredentialResource Fetch(
         /// <param name="pathAccountSid"> The unique id of the Account that is responsible for this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(string pathCredentialListSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(string pathCredentialListSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCredentialOptions(pathCredentialListSid, pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<CredentialResource> Read(ReadCredentialOptions options
         /// <param name="options"> Read Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(ReadCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(ReadCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CredentialResource>.FromJson("credentials", response.Content);
             return new ResourceSet<CredentialResource>(page, options, client);
@@ -341,10 +342,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>>
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCredentialOptions(pathCredentialListSid){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -435,11 +436,12 @@ public static CredentialResource Update(UpdateCredentialOptions options, ITwilio
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(UpdateCredentialOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(UpdateCredentialOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -475,10 +477,10 @@ public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string pathAccountSid = null,
                                                                               string password = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateCredentialOptions(pathCredentialListSid, pathSid){ PathAccountSid = pathAccountSid, Password = password };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/Sip/CredentialListResource.cs b/src/Twilio/Rest/Api/V2010/Account/Sip/CredentialListResource.cs
index 5845621b5..ca894ebe2 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Sip/CredentialListResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Sip/CredentialListResource.cs
@@ -68,7 +68,7 @@ public static CredentialListResource Create(CreateCredentialListOptions options,
         /// <param name="options"> Create CredentialList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialList </returns>
-        public static async System.Threading.Tasks.Task<CredentialListResource> CreateAsync(CreateCredentialListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialListResource> CreateAsync(CreateCredentialListOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildCreateRequest(options, client));
@@ -99,7 +99,7 @@ public static CredentialListResource Create(
         public static async System.Threading.Tasks.Task<CredentialListResource> CreateAsync(
                                                                                   string friendlyName,
                                                                                   string pathAccountSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCredentialListOptions(friendlyName){  PathAccountSid = pathAccountSid };
             return await CreateAsync(options, client);
@@ -146,7 +146,7 @@ public static bool Delete(DeleteCredentialListOptions options, ITwilioRestClient
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialList </returns>
         public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialListOptions options,
-                                                                        ITwilioRestClient client = null)
+                                                                        ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildDeleteRequest(options, client));
@@ -171,7 +171,7 @@ public static bool Delete(string pathSid, string pathAccountSid = null, ITwilioR
         /// <param name="pathAccountSid"> The unique id of the Account that is responsible for this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialList </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCredentialListOptions(pathSid)  { PathAccountSid = pathAccountSid };
             return await DeleteAsync(options, client);
@@ -213,7 +213,7 @@ public static CredentialListResource Fetch(FetchCredentialListOptions options, I
         /// <param name="options"> Fetch CredentialList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialList </returns>
-        public static async System.Threading.Tasks.Task<CredentialListResource> FetchAsync(FetchCredentialListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialListResource> FetchAsync(FetchCredentialListOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -240,7 +240,7 @@ public static CredentialListResource Fetch(
         /// <param name="pathAccountSid"> The unique id of the Account that is responsible for this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialList </returns>
-        public static async System.Threading.Tasks.Task<CredentialListResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialListResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCredentialListOptions(pathSid){ PathAccountSid = pathAccountSid };
             return await FetchAsync(options, client);
@@ -280,7 +280,7 @@ public static ResourceSet<CredentialListResource> Read(ReadCredentialListOptions
         /// <param name="options"> Read CredentialList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialList </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CredentialListResource>> ReadAsync(ReadCredentialListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CredentialListResource>> ReadAsync(ReadCredentialListOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -316,7 +316,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<CredentialListResour
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCredentialListOptions(){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
@@ -409,7 +409,7 @@ public static CredentialListResource Update(UpdateCredentialListOptions options,
         /// <returns> Task that resolves to A single instance of CredentialList </returns>
         #if !NET35
         public static async System.Threading.Tasks.Task<CredentialListResource> UpdateAsync(UpdateCredentialListOptions options,
-                                                                                                    ITwilioRestClient client = null)
+                                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildUpdateRequest(options, client));
@@ -444,7 +444,7 @@ public static async System.Threading.Tasks.Task<CredentialListResource> UpdateAs
                                                                               string pathSid,
                                                                               string friendlyName,
                                                                               string pathAccountSid = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateCredentialListOptions(pathSid, friendlyName){ PathAccountSid = pathAccountSid };
             return await UpdateAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/AuthTypes/AuthTypeCalls/AuthCallsCredentialListMappingResource.cs b/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/AuthTypes/AuthTypeCalls/AuthCallsCredentialListMappingResource.cs
index 4ab5411a9..575afcb0e 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/AuthTypes/AuthTypeCalls/AuthCallsCredentialListMappingResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/AuthTypes/AuthTypeCalls/AuthCallsCredentialListMappingResource.cs
@@ -70,10 +70,10 @@ public static AuthCallsCredentialListMappingResource Create(CreateAuthCallsCrede
         /// <param name="options"> Create AuthCallsCredentialListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthCallsCredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<AuthCallsCredentialListMappingResource> CreateAsync(CreateAuthCallsCredentialListMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthCallsCredentialListMappingResource> CreateAsync(CreateAuthCallsCredentialListMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -105,10 +105,10 @@ public static async System.Threading.Tasks.Task<AuthCallsCredentialListMappingRe
                                                                                   string pathDomainSid,
                                                                                   string credentialListSid,
                                                                                   string pathAccountSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAuthCallsCredentialListMappingOptions(pathDomainSid, credentialListSid){  PathAccountSid = pathAccountSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -153,11 +153,12 @@ public static bool Delete(DeleteAuthCallsCredentialListMappingOptions options, I
         /// <param name="options"> Delete AuthCallsCredentialListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthCallsCredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAuthCallsCredentialListMappingOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAuthCallsCredentialListMappingOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -181,10 +182,10 @@ public static bool Delete(string pathDomainSid, string pathSid, string pathAccou
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the CredentialListMapping resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthCallsCredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAuthCallsCredentialListMappingOptions(pathDomainSid, pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -225,10 +226,10 @@ public static AuthCallsCredentialListMappingResource Fetch(FetchAuthCallsCredent
         /// <param name="options"> Fetch AuthCallsCredentialListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthCallsCredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<AuthCallsCredentialListMappingResource> FetchAsync(FetchAuthCallsCredentialListMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthCallsCredentialListMappingResource> FetchAsync(FetchAuthCallsCredentialListMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -255,10 +256,10 @@ public static AuthCallsCredentialListMappingResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the CredentialListMapping resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthCallsCredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<AuthCallsCredentialListMappingResource> FetchAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthCallsCredentialListMappingResource> FetchAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAuthCallsCredentialListMappingOptions(pathDomainSid, pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -297,10 +298,10 @@ public static ResourceSet<AuthCallsCredentialListMappingResource> Read(ReadAuthC
         /// <param name="options"> Read AuthCallsCredentialListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthCallsCredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AuthCallsCredentialListMappingResource>> ReadAsync(ReadAuthCallsCredentialListMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AuthCallsCredentialListMappingResource>> ReadAsync(ReadAuthCallsCredentialListMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AuthCallsCredentialListMappingResource>.FromJson("contents", response.Content);
             return new ResourceSet<AuthCallsCredentialListMappingResource>(page, options, client);
@@ -337,10 +338,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AuthCallsCredentialL
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAuthCallsCredentialListMappingOptions(pathDomainSid){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/AuthTypes/AuthTypeCalls/AuthCallsIpAccessControlListMappingResource.cs b/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/AuthTypes/AuthTypeCalls/AuthCallsIpAccessControlListMappingResource.cs
index 1a62f4ab6..bbc2f4867 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/AuthTypes/AuthTypeCalls/AuthCallsIpAccessControlListMappingResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/AuthTypes/AuthTypeCalls/AuthCallsIpAccessControlListMappingResource.cs
@@ -70,10 +70,10 @@ public static AuthCallsIpAccessControlListMappingResource Create(CreateAuthCalls
         /// <param name="options"> Create AuthCallsIpAccessControlListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthCallsIpAccessControlListMapping </returns>
-        public static async System.Threading.Tasks.Task<AuthCallsIpAccessControlListMappingResource> CreateAsync(CreateAuthCallsIpAccessControlListMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthCallsIpAccessControlListMappingResource> CreateAsync(CreateAuthCallsIpAccessControlListMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -105,10 +105,10 @@ public static async System.Threading.Tasks.Task<AuthCallsIpAccessControlListMapp
                                                                                   string pathDomainSid,
                                                                                   string ipAccessControlListSid,
                                                                                   string pathAccountSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAuthCallsIpAccessControlListMappingOptions(pathDomainSid, ipAccessControlListSid){  PathAccountSid = pathAccountSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -153,11 +153,12 @@ public static bool Delete(DeleteAuthCallsIpAccessControlListMappingOptions optio
         /// <param name="options"> Delete AuthCallsIpAccessControlListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthCallsIpAccessControlListMapping </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAuthCallsIpAccessControlListMappingOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAuthCallsIpAccessControlListMappingOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -181,10 +182,10 @@ public static bool Delete(string pathDomainSid, string pathSid, string pathAccou
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the IpAccessControlListMapping resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthCallsIpAccessControlListMapping </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAuthCallsIpAccessControlListMappingOptions(pathDomainSid, pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -225,10 +226,10 @@ public static AuthCallsIpAccessControlListMappingResource Fetch(FetchAuthCallsIp
         /// <param name="options"> Fetch AuthCallsIpAccessControlListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthCallsIpAccessControlListMapping </returns>
-        public static async System.Threading.Tasks.Task<AuthCallsIpAccessControlListMappingResource> FetchAsync(FetchAuthCallsIpAccessControlListMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthCallsIpAccessControlListMappingResource> FetchAsync(FetchAuthCallsIpAccessControlListMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -255,10 +256,10 @@ public static AuthCallsIpAccessControlListMappingResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the IpAccessControlListMapping resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthCallsIpAccessControlListMapping </returns>
-        public static async System.Threading.Tasks.Task<AuthCallsIpAccessControlListMappingResource> FetchAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthCallsIpAccessControlListMappingResource> FetchAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAuthCallsIpAccessControlListMappingOptions(pathDomainSid, pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -297,10 +298,10 @@ public static ResourceSet<AuthCallsIpAccessControlListMappingResource> Read(Read
         /// <param name="options"> Read AuthCallsIpAccessControlListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthCallsIpAccessControlListMapping </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AuthCallsIpAccessControlListMappingResource>> ReadAsync(ReadAuthCallsIpAccessControlListMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AuthCallsIpAccessControlListMappingResource>> ReadAsync(ReadAuthCallsIpAccessControlListMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AuthCallsIpAccessControlListMappingResource>.FromJson("contents", response.Content);
             return new ResourceSet<AuthCallsIpAccessControlListMappingResource>(page, options, client);
@@ -337,10 +338,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AuthCallsIpAccessCon
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAuthCallsIpAccessControlListMappingOptions(pathDomainSid){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/AuthTypes/AuthTypeRegistrations/AuthRegistrationsCredentialListMappingResource.cs b/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/AuthTypes/AuthTypeRegistrations/AuthRegistrationsCredentialListMappingResource.cs
index d977ac3b0..61252423e 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/AuthTypes/AuthTypeRegistrations/AuthRegistrationsCredentialListMappingResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/AuthTypes/AuthTypeRegistrations/AuthRegistrationsCredentialListMappingResource.cs
@@ -70,10 +70,10 @@ public static AuthRegistrationsCredentialListMappingResource Create(CreateAuthRe
         /// <param name="options"> Create AuthRegistrationsCredentialListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthRegistrationsCredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<AuthRegistrationsCredentialListMappingResource> CreateAsync(CreateAuthRegistrationsCredentialListMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthRegistrationsCredentialListMappingResource> CreateAsync(CreateAuthRegistrationsCredentialListMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -105,10 +105,10 @@ public static async System.Threading.Tasks.Task<AuthRegistrationsCredentialListM
                                                                                   string pathDomainSid,
                                                                                   string credentialListSid,
                                                                                   string pathAccountSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAuthRegistrationsCredentialListMappingOptions(pathDomainSid, credentialListSid){  PathAccountSid = pathAccountSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -153,11 +153,12 @@ public static bool Delete(DeleteAuthRegistrationsCredentialListMappingOptions op
         /// <param name="options"> Delete AuthRegistrationsCredentialListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthRegistrationsCredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAuthRegistrationsCredentialListMappingOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAuthRegistrationsCredentialListMappingOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -181,10 +182,10 @@ public static bool Delete(string pathDomainSid, string pathSid, string pathAccou
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the CredentialListMapping resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthRegistrationsCredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAuthRegistrationsCredentialListMappingOptions(pathDomainSid, pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -225,10 +226,10 @@ public static AuthRegistrationsCredentialListMappingResource Fetch(FetchAuthRegi
         /// <param name="options"> Fetch AuthRegistrationsCredentialListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthRegistrationsCredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<AuthRegistrationsCredentialListMappingResource> FetchAsync(FetchAuthRegistrationsCredentialListMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthRegistrationsCredentialListMappingResource> FetchAsync(FetchAuthRegistrationsCredentialListMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -255,10 +256,10 @@ public static AuthRegistrationsCredentialListMappingResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the CredentialListMapping resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthRegistrationsCredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<AuthRegistrationsCredentialListMappingResource> FetchAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthRegistrationsCredentialListMappingResource> FetchAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAuthRegistrationsCredentialListMappingOptions(pathDomainSid, pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -297,10 +298,10 @@ public static ResourceSet<AuthRegistrationsCredentialListMappingResource> Read(R
         /// <param name="options"> Read AuthRegistrationsCredentialListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthRegistrationsCredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AuthRegistrationsCredentialListMappingResource>> ReadAsync(ReadAuthRegistrationsCredentialListMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AuthRegistrationsCredentialListMappingResource>> ReadAsync(ReadAuthRegistrationsCredentialListMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AuthRegistrationsCredentialListMappingResource>.FromJson("contents", response.Content);
             return new ResourceSet<AuthRegistrationsCredentialListMappingResource>(page, options, client);
@@ -337,10 +338,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AuthRegistrationsCre
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAuthRegistrationsCredentialListMappingOptions(pathDomainSid){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/CredentialListMappingResource.cs b/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/CredentialListMappingResource.cs
index a065069df..9a45ff90d 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/CredentialListMappingResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/CredentialListMappingResource.cs
@@ -70,10 +70,10 @@ public static CredentialListMappingResource Create(CreateCredentialListMappingOp
         /// <param name="options"> Create CredentialListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<CredentialListMappingResource> CreateAsync(CreateCredentialListMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialListMappingResource> CreateAsync(CreateCredentialListMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -105,10 +105,10 @@ public static async System.Threading.Tasks.Task<CredentialListMappingResource> C
                                                                                   string pathDomainSid,
                                                                                   string credentialListSid,
                                                                                   string pathAccountSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCredentialListMappingOptions(pathDomainSid, credentialListSid){  PathAccountSid = pathAccountSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -153,11 +153,12 @@ public static bool Delete(DeleteCredentialListMappingOptions options, ITwilioRes
         /// <param name="options"> Delete CredentialListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialListMappingOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialListMappingOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -181,10 +182,10 @@ public static bool Delete(string pathDomainSid, string pathSid, string pathAccou
         /// <param name="pathAccountSid"> The unique id of the [Account](https://www.twilio.com/docs/iam/api/account) responsible for this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCredentialListMappingOptions(pathDomainSid, pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -225,10 +226,10 @@ public static CredentialListMappingResource Fetch(FetchCredentialListMappingOpti
         /// <param name="options"> Fetch CredentialListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<CredentialListMappingResource> FetchAsync(FetchCredentialListMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialListMappingResource> FetchAsync(FetchCredentialListMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -255,10 +256,10 @@ public static CredentialListMappingResource Fetch(
         /// <param name="pathAccountSid"> The unique id of the [Account](https://www.twilio.com/docs/iam/api/account) responsible for this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<CredentialListMappingResource> FetchAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialListMappingResource> FetchAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCredentialListMappingOptions(pathDomainSid, pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -297,10 +298,10 @@ public static ResourceSet<CredentialListMappingResource> Read(ReadCredentialList
         /// <param name="options"> Read CredentialListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialListMapping </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CredentialListMappingResource>> ReadAsync(ReadCredentialListMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CredentialListMappingResource>> ReadAsync(ReadCredentialListMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CredentialListMappingResource>.FromJson("credential_list_mappings", response.Content);
             return new ResourceSet<CredentialListMappingResource>(page, options, client);
@@ -337,10 +338,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<CredentialListMappin
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCredentialListMappingOptions(pathDomainSid){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/IpAccessControlListMappingResource.cs b/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/IpAccessControlListMappingResource.cs
index 1bdf5db48..639495630 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/IpAccessControlListMappingResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Sip/Domain/IpAccessControlListMappingResource.cs
@@ -70,10 +70,10 @@ public static IpAccessControlListMappingResource Create(CreateIpAccessControlLis
         /// <param name="options"> Create IpAccessControlListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlListMapping </returns>
-        public static async System.Threading.Tasks.Task<IpAccessControlListMappingResource> CreateAsync(CreateIpAccessControlListMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpAccessControlListMappingResource> CreateAsync(CreateIpAccessControlListMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -105,10 +105,10 @@ public static async System.Threading.Tasks.Task<IpAccessControlListMappingResour
                                                                                   string pathDomainSid,
                                                                                   string ipAccessControlListSid,
                                                                                   string pathAccountSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateIpAccessControlListMappingOptions(pathDomainSid, ipAccessControlListSid){  PathAccountSid = pathAccountSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -153,11 +153,12 @@ public static bool Delete(DeleteIpAccessControlListMappingOptions options, ITwil
         /// <param name="options"> Delete IpAccessControlListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlListMapping </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteIpAccessControlListMappingOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteIpAccessControlListMappingOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -181,10 +182,10 @@ public static bool Delete(string pathDomainSid, string pathSid, string pathAccou
         /// <param name="pathAccountSid"> The unique id of the Account that is responsible for this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlListMapping </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteIpAccessControlListMappingOptions(pathDomainSid, pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -225,10 +226,10 @@ public static IpAccessControlListMappingResource Fetch(FetchIpAccessControlListM
         /// <param name="options"> Fetch IpAccessControlListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlListMapping </returns>
-        public static async System.Threading.Tasks.Task<IpAccessControlListMappingResource> FetchAsync(FetchIpAccessControlListMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpAccessControlListMappingResource> FetchAsync(FetchIpAccessControlListMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -255,10 +256,10 @@ public static IpAccessControlListMappingResource Fetch(
         /// <param name="pathAccountSid"> The unique id of the Account that is responsible for this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlListMapping </returns>
-        public static async System.Threading.Tasks.Task<IpAccessControlListMappingResource> FetchAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpAccessControlListMappingResource> FetchAsync(string pathDomainSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchIpAccessControlListMappingOptions(pathDomainSid, pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -297,10 +298,10 @@ public static ResourceSet<IpAccessControlListMappingResource> Read(ReadIpAccessC
         /// <param name="options"> Read IpAccessControlListMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlListMapping </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<IpAccessControlListMappingResource>> ReadAsync(ReadIpAccessControlListMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<IpAccessControlListMappingResource>> ReadAsync(ReadIpAccessControlListMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<IpAccessControlListMappingResource>.FromJson("ip_access_control_list_mappings", response.Content);
             return new ResourceSet<IpAccessControlListMappingResource>(page, options, client);
@@ -337,10 +338,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<IpAccessControlListM
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadIpAccessControlListMappingOptions(pathDomainSid){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/Sip/DomainResource.cs b/src/Twilio/Rest/Api/V2010/Account/Sip/DomainResource.cs
index 84a5e7729..924059f6a 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Sip/DomainResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Sip/DomainResource.cs
@@ -68,7 +68,7 @@ public static DomainResource Create(CreateDomainOptions options, ITwilioRestClie
         /// <param name="options"> Create Domain parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Domain </returns>
-        public static async System.Threading.Tasks.Task<DomainResource> CreateAsync(CreateDomainOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DomainResource> CreateAsync(CreateDomainOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildCreateRequest(options, client));
@@ -147,7 +147,7 @@ public static async System.Threading.Tasks.Task<DomainResource> CreateAsync(
                                                                                   bool? secure = null,
                                                                                   string byocTrunkSid = null,
                                                                                   string emergencyCallerSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateDomainOptions(domainName){  PathAccountSid = pathAccountSid, FriendlyName = friendlyName, VoiceUrl = voiceUrl, VoiceMethod = voiceMethod, VoiceFallbackUrl = voiceFallbackUrl, VoiceFallbackMethod = voiceFallbackMethod, VoiceStatusCallbackUrl = voiceStatusCallbackUrl, VoiceStatusCallbackMethod = voiceStatusCallbackMethod, SipRegistration = sipRegistration, EmergencyCallingEnabled = emergencyCallingEnabled, Secure = secure, ByocTrunkSid = byocTrunkSid, EmergencyCallerSid = emergencyCallerSid };
             return await CreateAsync(options, client);
@@ -194,7 +194,7 @@ public static bool Delete(DeleteDomainOptions options, ITwilioRestClient client
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Domain </returns>
         public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteDomainOptions options,
-                                                                        ITwilioRestClient client = null)
+                                                                        ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildDeleteRequest(options, client));
@@ -219,7 +219,7 @@ public static bool Delete(string pathSid, string pathAccountSid = null, ITwilioR
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the SipDomain resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Domain </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteDomainOptions(pathSid)  { PathAccountSid = pathAccountSid };
             return await DeleteAsync(options, client);
@@ -261,7 +261,7 @@ public static DomainResource Fetch(FetchDomainOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Domain parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Domain </returns>
-        public static async System.Threading.Tasks.Task<DomainResource> FetchAsync(FetchDomainOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DomainResource> FetchAsync(FetchDomainOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -288,7 +288,7 @@ public static DomainResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the SipDomain resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Domain </returns>
-        public static async System.Threading.Tasks.Task<DomainResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DomainResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDomainOptions(pathSid){ PathAccountSid = pathAccountSid };
             return await FetchAsync(options, client);
@@ -328,7 +328,7 @@ public static ResourceSet<DomainResource> Read(ReadDomainOptions options, ITwili
         /// <param name="options"> Read Domain parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Domain </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DomainResource>> ReadAsync(ReadDomainOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DomainResource>> ReadAsync(ReadDomainOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -364,7 +364,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<DomainResource>> Rea
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDomainOptions(){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
@@ -457,7 +457,7 @@ public static DomainResource Update(UpdateDomainOptions options, ITwilioRestClie
         /// <returns> Task that resolves to A single instance of Domain </returns>
         #if !NET35
         public static async System.Threading.Tasks.Task<DomainResource> UpdateAsync(UpdateDomainOptions options,
-                                                                                                    ITwilioRestClient client = null)
+                                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildUpdateRequest(options, client));
@@ -540,7 +540,7 @@ public static async System.Threading.Tasks.Task<DomainResource> UpdateAsync(
                                                                               bool? secure = null,
                                                                               string byocTrunkSid = null,
                                                                               string emergencyCallerSid = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateDomainOptions(pathSid){ PathAccountSid = pathAccountSid, FriendlyName = friendlyName, VoiceFallbackMethod = voiceFallbackMethod, VoiceFallbackUrl = voiceFallbackUrl, VoiceMethod = voiceMethod, VoiceStatusCallbackMethod = voiceStatusCallbackMethod, VoiceStatusCallbackUrl = voiceStatusCallbackUrl, VoiceUrl = voiceUrl, SipRegistration = sipRegistration, DomainName = domainName, EmergencyCallingEnabled = emergencyCallingEnabled, Secure = secure, ByocTrunkSid = byocTrunkSid, EmergencyCallerSid = emergencyCallerSid };
             return await UpdateAsync(options, client);
diff --git a/src/Twilio/Rest/Api/V2010/Account/Sip/IpAccessControlList/IpAddressResource.cs b/src/Twilio/Rest/Api/V2010/Account/Sip/IpAccessControlList/IpAddressResource.cs
index 05fb3ea32..43e1d8b4d 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Sip/IpAccessControlList/IpAddressResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Sip/IpAccessControlList/IpAddressResource.cs
@@ -70,10 +70,10 @@ public static IpAddressResource Create(CreateIpAddressOptions options, ITwilioRe
         /// <param name="options"> Create IpAddress parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAddress </returns>
-        public static async System.Threading.Tasks.Task<IpAddressResource> CreateAsync(CreateIpAddressOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpAddressResource> CreateAsync(CreateIpAddressOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -113,10 +113,10 @@ public static async System.Threading.Tasks.Task<IpAddressResource> CreateAsync(
                                                                                   string ipAddress,
                                                                                   string pathAccountSid = null,
                                                                                   int? cidrPrefixLength = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateIpAddressOptions(pathIpAccessControlListSid, friendlyName, ipAddress){  PathAccountSid = pathAccountSid, CidrPrefixLength = cidrPrefixLength };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -161,11 +161,12 @@ public static bool Delete(DeleteIpAddressOptions options, ITwilioRestClient clie
         /// <param name="options"> Delete IpAddress parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAddress </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteIpAddressOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteIpAddressOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -189,10 +190,10 @@ public static bool Delete(string pathIpAccessControlListSid, string pathSid, str
         /// <param name="pathAccountSid"> The unique id of the [Account](https://www.twilio.com/docs/iam/api/account) responsible for this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAddress </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathIpAccessControlListSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathIpAccessControlListSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteIpAddressOptions(pathIpAccessControlListSid, pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -233,10 +234,10 @@ public static IpAddressResource Fetch(FetchIpAddressOptions options, ITwilioRest
         /// <param name="options"> Fetch IpAddress parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAddress </returns>
-        public static async System.Threading.Tasks.Task<IpAddressResource> FetchAsync(FetchIpAddressOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpAddressResource> FetchAsync(FetchIpAddressOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -263,10 +264,10 @@ public static IpAddressResource Fetch(
         /// <param name="pathAccountSid"> The unique id of the [Account](https://www.twilio.com/docs/iam/api/account) responsible for this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAddress </returns>
-        public static async System.Threading.Tasks.Task<IpAddressResource> FetchAsync(string pathIpAccessControlListSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpAddressResource> FetchAsync(string pathIpAccessControlListSid, string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchIpAddressOptions(pathIpAccessControlListSid, pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -305,10 +306,10 @@ public static ResourceSet<IpAddressResource> Read(ReadIpAddressOptions options,
         /// <param name="options"> Read IpAddress parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAddress </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<IpAddressResource>> ReadAsync(ReadIpAddressOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<IpAddressResource>> ReadAsync(ReadIpAddressOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<IpAddressResource>.FromJson("ip_addresses", response.Content);
             return new ResourceSet<IpAddressResource>(page, options, client);
@@ -345,10 +346,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<IpAddressResource>>
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadIpAddressOptions(pathIpAccessControlListSid){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -439,11 +440,12 @@ public static IpAddressResource Update(UpdateIpAddressOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAddress </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<IpAddressResource> UpdateAsync(UpdateIpAddressOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpAddressResource> UpdateAsync(UpdateIpAddressOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -487,10 +489,10 @@ public static async System.Threading.Tasks.Task<IpAddressResource> UpdateAsync(
                                                                               string ipAddress = null,
                                                                               string friendlyName = null,
                                                                               int? cidrPrefixLength = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateIpAddressOptions(pathIpAccessControlListSid, pathSid){ PathAccountSid = pathAccountSid, IpAddress = ipAddress, FriendlyName = friendlyName, CidrPrefixLength = cidrPrefixLength };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/Sip/IpAccessControlListResource.cs b/src/Twilio/Rest/Api/V2010/Account/Sip/IpAccessControlListResource.cs
index 86bfe0a7c..c591f6f70 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Sip/IpAccessControlListResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Sip/IpAccessControlListResource.cs
@@ -68,10 +68,10 @@ public static IpAccessControlListResource Create(CreateIpAccessControlListOption
         /// <param name="options"> Create IpAccessControlList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlList </returns>
-        public static async System.Threading.Tasks.Task<IpAccessControlListResource> CreateAsync(CreateIpAccessControlListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpAccessControlListResource> CreateAsync(CreateIpAccessControlListOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static IpAccessControlListResource Create(
         public static async System.Threading.Tasks.Task<IpAccessControlListResource> CreateAsync(
                                                                                   string friendlyName,
                                                                                   string pathAccountSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateIpAccessControlListOptions(friendlyName){  PathAccountSid = pathAccountSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteIpAccessControlListOptions options, ITwilioRestC
         /// <param name="options"> Delete IpAccessControlList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlList </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteIpAccessControlListOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteIpAccessControlListOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathSid, string pathAccountSid = null, ITwilioR
         /// <param name="pathAccountSid"> The unique id of the [Account](https://www.twilio.com/docs/iam/api/account) responsible for this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlList </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteIpAccessControlListOptions(pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static IpAccessControlListResource Fetch(FetchIpAccessControlListOptions
         /// <param name="options"> Fetch IpAccessControlList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlList </returns>
-        public static async System.Threading.Tasks.Task<IpAccessControlListResource> FetchAsync(FetchIpAccessControlListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpAccessControlListResource> FetchAsync(FetchIpAccessControlListOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static IpAccessControlListResource Fetch(
         /// <param name="pathAccountSid"> The unique id of the [Account](https://www.twilio.com/docs/iam/api/account) responsible for this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlList </returns>
-        public static async System.Threading.Tasks.Task<IpAccessControlListResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpAccessControlListResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchIpAccessControlListOptions(pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<IpAccessControlListResource> Read(ReadIpAccessControlL
         /// <param name="options"> Read IpAccessControlList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlList </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<IpAccessControlListResource>> ReadAsync(ReadIpAccessControlListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<IpAccessControlListResource>> ReadAsync(ReadIpAccessControlListOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<IpAccessControlListResource>.FromJson("ip_access_control_lists", response.Content);
             return new ResourceSet<IpAccessControlListResource>(page, options, client);
@@ -316,10 +317,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<IpAccessControlListR
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadIpAccessControlListOptions(){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -408,11 +409,12 @@ public static IpAccessControlListResource Update(UpdateIpAccessControlListOption
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlList </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<IpAccessControlListResource> UpdateAsync(UpdateIpAccessControlListOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpAccessControlListResource> UpdateAsync(UpdateIpAccessControlListOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -444,10 +446,10 @@ public static async System.Threading.Tasks.Task<IpAccessControlListResource> Upd
                                                                               string pathSid,
                                                                               string friendlyName,
                                                                               string pathAccountSid = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateIpAccessControlListOptions(pathSid, friendlyName){ PathAccountSid = pathAccountSid };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/TokenResource.cs b/src/Twilio/Rest/Api/V2010/Account/TokenResource.cs
index 74d24f8bf..4aa0b70f3 100644
--- a/src/Twilio/Rest/Api/V2010/Account/TokenResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/TokenResource.cs
@@ -68,10 +68,10 @@ public static TokenResource Create(CreateTokenOptions options, ITwilioRestClient
         /// <param name="options"> Create Token parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Token </returns>
-        public static async System.Threading.Tasks.Task<TokenResource> CreateAsync(CreateTokenOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TokenResource> CreateAsync(CreateTokenOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static TokenResource Create(
         public static async System.Threading.Tasks.Task<TokenResource> CreateAsync(
                                                                                   string pathAccountSid = null,
                                                                                   int? ttl = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTokenOptions(){  PathAccountSid = pathAccountSid, Ttl = ttl };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/TranscriptionResource.cs b/src/Twilio/Rest/Api/V2010/Account/TranscriptionResource.cs
index 21a12ddec..c81175d8d 100644
--- a/src/Twilio/Rest/Api/V2010/Account/TranscriptionResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/TranscriptionResource.cs
@@ -87,11 +87,12 @@ public static bool Delete(DeleteTranscriptionOptions options, ITwilioRestClient
         /// <param name="options"> Delete Transcription parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcription </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTranscriptionOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTranscriptionOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -113,10 +114,10 @@ public static bool Delete(string pathSid, string pathAccountSid = null, ITwilioR
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Transcription resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcription </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteTranscriptionOptions(pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -155,10 +156,10 @@ public static TranscriptionResource Fetch(FetchTranscriptionOptions options, ITw
         /// <param name="options"> Fetch Transcription parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcription </returns>
-        public static async System.Threading.Tasks.Task<TranscriptionResource> FetchAsync(FetchTranscriptionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TranscriptionResource> FetchAsync(FetchTranscriptionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -182,10 +183,10 @@ public static TranscriptionResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Transcription resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcription </returns>
-        public static async System.Threading.Tasks.Task<TranscriptionResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TranscriptionResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTranscriptionOptions(pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -222,10 +223,10 @@ public static ResourceSet<TranscriptionResource> Read(ReadTranscriptionOptions o
         /// <param name="options"> Read Transcription parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcription </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TranscriptionResource>> ReadAsync(ReadTranscriptionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TranscriptionResource>> ReadAsync(ReadTranscriptionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<TranscriptionResource>.FromJson("transcriptions", response.Content);
             return new ResourceSet<TranscriptionResource>(page, options, client);
@@ -258,10 +259,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<TranscriptionResourc
                                                                                              string pathAccountSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTranscriptionOptions(){ PathAccountSid = pathAccountSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/Usage/Record/AllTimeResource.cs b/src/Twilio/Rest/Api/V2010/Account/Usage/Record/AllTimeResource.cs
index 70b558248..6e9a9e8b9 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Usage/Record/AllTimeResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Usage/Record/AllTimeResource.cs
@@ -329,10 +329,10 @@ public static ResourceSet<AllTimeResource> Read(ReadAllTimeOptions options, ITwi
         /// <param name="options"> Read AllTime parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AllTime </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AllTimeResource>> ReadAsync(ReadAllTimeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AllTimeResource>> ReadAsync(ReadAllTimeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AllTimeResource>.FromJson("usage_records", response.Content);
             return new ResourceSet<AllTimeResource>(page, options, client);
@@ -381,10 +381,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AllTimeResource>> Re
                                                                                              bool? includeSubaccounts = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAllTimeOptions(){ PathAccountSid = pathAccountSid, Category = category, StartDate = startDate, EndDate = endDate, IncludeSubaccounts = includeSubaccounts, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/Usage/Record/DailyResource.cs b/src/Twilio/Rest/Api/V2010/Account/Usage/Record/DailyResource.cs
index 5ae023f89..79e1f4d33 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Usage/Record/DailyResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Usage/Record/DailyResource.cs
@@ -329,10 +329,10 @@ public static ResourceSet<DailyResource> Read(ReadDailyOptions options, ITwilioR
         /// <param name="options"> Read Daily parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Daily </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DailyResource>> ReadAsync(ReadDailyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DailyResource>> ReadAsync(ReadDailyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<DailyResource>.FromJson("usage_records", response.Content);
             return new ResourceSet<DailyResource>(page, options, client);
@@ -381,10 +381,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<DailyResource>> Read
                                                                                              bool? includeSubaccounts = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDailyOptions(){ PathAccountSid = pathAccountSid, Category = category, StartDate = startDate, EndDate = endDate, IncludeSubaccounts = includeSubaccounts, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/Usage/Record/LastMonthResource.cs b/src/Twilio/Rest/Api/V2010/Account/Usage/Record/LastMonthResource.cs
index 5eb02bbbe..2f0814ea3 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Usage/Record/LastMonthResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Usage/Record/LastMonthResource.cs
@@ -329,10 +329,10 @@ public static ResourceSet<LastMonthResource> Read(ReadLastMonthOptions options,
         /// <param name="options"> Read LastMonth parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of LastMonth </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<LastMonthResource>> ReadAsync(ReadLastMonthOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<LastMonthResource>> ReadAsync(ReadLastMonthOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<LastMonthResource>.FromJson("usage_records", response.Content);
             return new ResourceSet<LastMonthResource>(page, options, client);
@@ -381,10 +381,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<LastMonthResource>>
                                                                                              bool? includeSubaccounts = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadLastMonthOptions(){ PathAccountSid = pathAccountSid, Category = category, StartDate = startDate, EndDate = endDate, IncludeSubaccounts = includeSubaccounts, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/Usage/Record/MonthlyResource.cs b/src/Twilio/Rest/Api/V2010/Account/Usage/Record/MonthlyResource.cs
index 194a2a094..e2f7cae7f 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Usage/Record/MonthlyResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Usage/Record/MonthlyResource.cs
@@ -329,10 +329,10 @@ public static ResourceSet<MonthlyResource> Read(ReadMonthlyOptions options, ITwi
         /// <param name="options"> Read Monthly parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Monthly </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MonthlyResource>> ReadAsync(ReadMonthlyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MonthlyResource>> ReadAsync(ReadMonthlyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MonthlyResource>.FromJson("usage_records", response.Content);
             return new ResourceSet<MonthlyResource>(page, options, client);
@@ -381,10 +381,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<MonthlyResource>> Re
                                                                                              bool? includeSubaccounts = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMonthlyOptions(){ PathAccountSid = pathAccountSid, Category = category, StartDate = startDate, EndDate = endDate, IncludeSubaccounts = includeSubaccounts, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/Usage/Record/ThisMonthResource.cs b/src/Twilio/Rest/Api/V2010/Account/Usage/Record/ThisMonthResource.cs
index 17d07ab1c..93dc46af4 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Usage/Record/ThisMonthResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Usage/Record/ThisMonthResource.cs
@@ -329,10 +329,10 @@ public static ResourceSet<ThisMonthResource> Read(ReadThisMonthOptions options,
         /// <param name="options"> Read ThisMonth parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ThisMonth </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ThisMonthResource>> ReadAsync(ReadThisMonthOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ThisMonthResource>> ReadAsync(ReadThisMonthOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ThisMonthResource>.FromJson("usage_records", response.Content);
             return new ResourceSet<ThisMonthResource>(page, options, client);
@@ -381,10 +381,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ThisMonthResource>>
                                                                                              bool? includeSubaccounts = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadThisMonthOptions(){ PathAccountSid = pathAccountSid, Category = category, StartDate = startDate, EndDate = endDate, IncludeSubaccounts = includeSubaccounts, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/Usage/Record/TodayResource.cs b/src/Twilio/Rest/Api/V2010/Account/Usage/Record/TodayResource.cs
index 741cc1f6a..a1653d0b5 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Usage/Record/TodayResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Usage/Record/TodayResource.cs
@@ -329,10 +329,10 @@ public static ResourceSet<TodayResource> Read(ReadTodayOptions options, ITwilioR
         /// <param name="options"> Read Today parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Today </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TodayResource>> ReadAsync(ReadTodayOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TodayResource>> ReadAsync(ReadTodayOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<TodayResource>.FromJson("usage_records", response.Content);
             return new ResourceSet<TodayResource>(page, options, client);
@@ -381,10 +381,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<TodayResource>> Read
                                                                                              bool? includeSubaccounts = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTodayOptions(){ PathAccountSid = pathAccountSid, Category = category, StartDate = startDate, EndDate = endDate, IncludeSubaccounts = includeSubaccounts, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/Usage/Record/YearlyResource.cs b/src/Twilio/Rest/Api/V2010/Account/Usage/Record/YearlyResource.cs
index 590e0012b..da4794aef 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Usage/Record/YearlyResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Usage/Record/YearlyResource.cs
@@ -329,10 +329,10 @@ public static ResourceSet<YearlyResource> Read(ReadYearlyOptions options, ITwili
         /// <param name="options"> Read Yearly parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Yearly </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<YearlyResource>> ReadAsync(ReadYearlyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<YearlyResource>> ReadAsync(ReadYearlyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<YearlyResource>.FromJson("usage_records", response.Content);
             return new ResourceSet<YearlyResource>(page, options, client);
@@ -381,10 +381,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<YearlyResource>> Rea
                                                                                              bool? includeSubaccounts = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadYearlyOptions(){ PathAccountSid = pathAccountSid, Category = category, StartDate = startDate, EndDate = endDate, IncludeSubaccounts = includeSubaccounts, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/Usage/Record/YesterdayResource.cs b/src/Twilio/Rest/Api/V2010/Account/Usage/Record/YesterdayResource.cs
index ee0838818..d59e93fce 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Usage/Record/YesterdayResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Usage/Record/YesterdayResource.cs
@@ -329,10 +329,10 @@ public static ResourceSet<YesterdayResource> Read(ReadYesterdayOptions options,
         /// <param name="options"> Read Yesterday parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Yesterday </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<YesterdayResource>> ReadAsync(ReadYesterdayOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<YesterdayResource>> ReadAsync(ReadYesterdayOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<YesterdayResource>.FromJson("usage_records", response.Content);
             return new ResourceSet<YesterdayResource>(page, options, client);
@@ -381,10 +381,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<YesterdayResource>>
                                                                                              bool? includeSubaccounts = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadYesterdayOptions(){ PathAccountSid = pathAccountSid, Category = category, StartDate = startDate, EndDate = endDate, IncludeSubaccounts = includeSubaccounts, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/Usage/RecordResource.cs b/src/Twilio/Rest/Api/V2010/Account/Usage/RecordResource.cs
index f08048b80..f6a90c0e0 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Usage/RecordResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Usage/RecordResource.cs
@@ -329,10 +329,10 @@ public static ResourceSet<RecordResource> Read(ReadRecordOptions options, ITwili
         /// <param name="options"> Read Record parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Record </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RecordResource>> ReadAsync(ReadRecordOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RecordResource>> ReadAsync(ReadRecordOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RecordResource>.FromJson("usage_records", response.Content);
             return new ResourceSet<RecordResource>(page, options, client);
@@ -381,10 +381,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<RecordResource>> Rea
                                                                                              bool? includeSubaccounts = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRecordOptions(){ PathAccountSid = pathAccountSid, Category = category, StartDate = startDate, EndDate = endDate, IncludeSubaccounts = includeSubaccounts, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Api/V2010/Account/Usage/TriggerResource.cs b/src/Twilio/Rest/Api/V2010/Account/Usage/TriggerResource.cs
index cf9ee61e3..1bb5aa572 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Usage/TriggerResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/Usage/TriggerResource.cs
@@ -359,10 +359,10 @@ public static TriggerResource Create(CreateTriggerOptions options, ITwilioRestCl
         /// <param name="options"> Create Trigger parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trigger </returns>
-        public static async System.Threading.Tasks.Task<TriggerResource> CreateAsync(CreateTriggerOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TriggerResource> CreateAsync(CreateTriggerOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -414,10 +414,10 @@ public static async System.Threading.Tasks.Task<TriggerResource> CreateAsync(
                                                                                   string friendlyName = null,
                                                                                   TriggerResource.RecurringEnum recurring = null,
                                                                                   TriggerResource.TriggerFieldEnum triggerBy = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTriggerOptions(callbackUrl, triggerValue, usageCategory){  PathAccountSid = pathAccountSid, CallbackMethod = callbackMethod, FriendlyName = friendlyName, Recurring = recurring, TriggerBy = triggerBy };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -460,11 +460,12 @@ public static bool Delete(DeleteTriggerOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Trigger parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trigger </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTriggerOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTriggerOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -486,10 +487,10 @@ public static bool Delete(string pathSid, string pathAccountSid = null, ITwilioR
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the UsageTrigger resources to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trigger </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteTriggerOptions(pathSid)  { PathAccountSid = pathAccountSid };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -528,10 +529,10 @@ public static TriggerResource Fetch(FetchTriggerOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Trigger parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trigger </returns>
-        public static async System.Threading.Tasks.Task<TriggerResource> FetchAsync(FetchTriggerOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TriggerResource> FetchAsync(FetchTriggerOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -555,10 +556,10 @@ public static TriggerResource Fetch(
         /// <param name="pathAccountSid"> The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the UsageTrigger resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trigger </returns>
-        public static async System.Threading.Tasks.Task<TriggerResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TriggerResource> FetchAsync(string pathSid, string pathAccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTriggerOptions(pathSid){ PathAccountSid = pathAccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -595,10 +596,10 @@ public static ResourceSet<TriggerResource> Read(ReadTriggerOptions options, ITwi
         /// <param name="options"> Read Trigger parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trigger </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TriggerResource>> ReadAsync(ReadTriggerOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TriggerResource>> ReadAsync(ReadTriggerOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<TriggerResource>.FromJson("usage_triggers", response.Content);
             return new ResourceSet<TriggerResource>(page, options, client);
@@ -643,10 +644,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<TriggerResource>> Re
                                                                                              TriggerResource.UsageCategoryEnum usageCategory = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTriggerOptions(){ PathAccountSid = pathAccountSid, Recurring = recurring, TriggerBy = triggerBy, UsageCategory = usageCategory, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -735,11 +736,12 @@ public static TriggerResource Update(UpdateTriggerOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trigger </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<TriggerResource> UpdateAsync(UpdateTriggerOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TriggerResource> UpdateAsync(UpdateTriggerOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -779,10 +781,10 @@ public static async System.Threading.Tasks.Task<TriggerResource> UpdateAsync(
                                                                               Twilio.Http.HttpMethod callbackMethod = null,
                                                                               Uri callbackUrl = null,
                                                                               string friendlyName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateTriggerOptions(pathSid){ PathAccountSid = pathAccountSid, CallbackMethod = callbackMethod, CallbackUrl = callbackUrl, FriendlyName = friendlyName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/Account/ValidationRequestResource.cs b/src/Twilio/Rest/Api/V2010/Account/ValidationRequestResource.cs
index 22d4b971c..f5eb04635 100644
--- a/src/Twilio/Rest/Api/V2010/Account/ValidationRequestResource.cs
+++ b/src/Twilio/Rest/Api/V2010/Account/ValidationRequestResource.cs
@@ -68,10 +68,10 @@ public static ValidationRequestResource Create(CreateValidationRequestOptions op
         /// <param name="options"> Create ValidationRequest parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ValidationRequest </returns>
-        public static async System.Threading.Tasks.Task<ValidationRequestResource> CreateAsync(CreateValidationRequestOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ValidationRequestResource> CreateAsync(CreateValidationRequestOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -119,10 +119,10 @@ public static async System.Threading.Tasks.Task<ValidationRequestResource> Creat
                                                                                   string extension = null,
                                                                                   Uri statusCallback = null,
                                                                                   Twilio.Http.HttpMethod statusCallbackMethod = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateValidationRequestOptions(phoneNumber){  PathAccountSid = pathAccountSid, FriendlyName = friendlyName, CallDelay = callDelay, Extension = extension, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Api/V2010/AccountResource.cs b/src/Twilio/Rest/Api/V2010/AccountResource.cs
index 24ee51136..30351b7b4 100644
--- a/src/Twilio/Rest/Api/V2010/AccountResource.cs
+++ b/src/Twilio/Rest/Api/V2010/AccountResource.cs
@@ -93,10 +93,10 @@ public static AccountResource Create(CreateAccountOptions options, ITwilioRestCl
         /// <param name="options"> Create Account parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Account </returns>
-        public static async System.Threading.Tasks.Task<AccountResource> CreateAsync(CreateAccountOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccountResource> CreateAsync(CreateAccountOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -120,10 +120,11 @@ public static AccountResource Create(
         /// <returns> Task that resolves to A single instance of Account </returns>
         public static async System.Threading.Tasks.Task<AccountResource> CreateAsync(
                                                                                   string friendlyName = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAccountOptions(){  FriendlyName = friendlyName };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -160,10 +161,10 @@ public static AccountResource Fetch(FetchAccountOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Account parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Account </returns>
-        public static async System.Threading.Tasks.Task<AccountResource> FetchAsync(FetchAccountOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccountResource> FetchAsync(FetchAccountOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -184,10 +185,12 @@ public static AccountResource Fetch(
         /// <param name="pathSid"> The Account Sid that uniquely identifies the account to fetch </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Account </returns>
-        public static async System.Threading.Tasks.Task<AccountResource> FetchAsync(string pathSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccountResource> FetchAsync(string pathSid = null, 
+                                                                                    ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAccountOptions(){ PathSid = pathSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -222,10 +225,10 @@ public static ResourceSet<AccountResource> Read(ReadAccountOptions options, ITwi
         /// <param name="options"> Read Account parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Account </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AccountResource>> ReadAsync(ReadAccountOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AccountResource>> ReadAsync(ReadAccountOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AccountResource>.FromJson("accounts", response.Content);
             return new ResourceSet<AccountResource>(page, options, client);
@@ -262,10 +265,11 @@ public static async System.Threading.Tasks.Task<ResourceSet<AccountResource>> Re
                                                                                              AccountResource.StatusEnum status = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAccountOptions(){ FriendlyName = friendlyName, Status = status, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -352,11 +356,12 @@ public static AccountResource Update(UpdateAccountOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Account </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<AccountResource> UpdateAsync(UpdateAccountOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccountResource> UpdateAsync(UpdateAccountOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -388,10 +393,11 @@ public static async System.Threading.Tasks.Task<AccountResource> UpdateAsync(
                                                                               string pathSid = null,
                                                                               string friendlyName = null,
                                                                               AccountResource.StatusEnum status = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateAccountOptions(){ PathSid = pathSid, FriendlyName = friendlyName, Status = status };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Assistants/V1/Assistant/AssistantsKnowledgeResource.cs b/src/Twilio/Rest/Assistants/V1/Assistant/AssistantsKnowledgeResource.cs
index fbb592112..0017db737 100644
--- a/src/Twilio/Rest/Assistants/V1/Assistant/AssistantsKnowledgeResource.cs
+++ b/src/Twilio/Rest/Assistants/V1/Assistant/AssistantsKnowledgeResource.cs
@@ -70,10 +70,10 @@ public static AssistantsKnowledgeResource Create(CreateAssistantsKnowledgeOption
         /// <param name="options"> Create AssistantsKnowledge parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssistantsKnowledge </returns>
-        public static async System.Threading.Tasks.Task<AssistantsKnowledgeResource> CreateAsync(CreateAssistantsKnowledgeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssistantsKnowledgeResource> CreateAsync(CreateAssistantsKnowledgeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static AssistantsKnowledgeResource Create(
         public static async System.Threading.Tasks.Task<AssistantsKnowledgeResource> CreateAsync(
                                                                                   string pathAssistantId,
                                                                                   string pathId,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAssistantsKnowledgeOptions(pathAssistantId, pathId){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -147,11 +147,12 @@ public static bool Delete(DeleteAssistantsKnowledgeOptions options, ITwilioRestC
         /// <param name="options"> Delete AssistantsKnowledge parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssistantsKnowledge </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAssistantsKnowledgeOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAssistantsKnowledgeOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -173,10 +174,10 @@ public static bool Delete(string pathAssistantId, string pathId, ITwilioRestClie
         /// <param name="pathId"> The knowledge ID. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssistantsKnowledge </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathAssistantId, string pathId, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathAssistantId, string pathId, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAssistantsKnowledgeOptions(pathAssistantId, pathId) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static ResourceSet<AssistantsKnowledgeResource> Read(ReadAssistantsKnowle
         /// <param name="options"> Read AssistantsKnowledge parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssistantsKnowledge </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AssistantsKnowledgeResource>> ReadAsync(ReadAssistantsKnowledgeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AssistantsKnowledgeResource>> ReadAsync(ReadAssistantsKnowledgeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AssistantsKnowledgeResource>.FromJson("knowledge", response.Content);
             return new ResourceSet<AssistantsKnowledgeResource>(page, options, client);
@@ -249,10 +250,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AssistantsKnowledgeR
                                                                                              string pathAssistantId,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAssistantsKnowledgeOptions(pathAssistantId){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Assistants/V1/Assistant/AssistantsToolResource.cs b/src/Twilio/Rest/Assistants/V1/Assistant/AssistantsToolResource.cs
index 7478101c4..3a88b8f7b 100644
--- a/src/Twilio/Rest/Assistants/V1/Assistant/AssistantsToolResource.cs
+++ b/src/Twilio/Rest/Assistants/V1/Assistant/AssistantsToolResource.cs
@@ -70,10 +70,10 @@ public static AssistantsToolResource Create(CreateAssistantsToolOptions options,
         /// <param name="options"> Create AssistantsTool parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssistantsTool </returns>
-        public static async System.Threading.Tasks.Task<AssistantsToolResource> CreateAsync(CreateAssistantsToolOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssistantsToolResource> CreateAsync(CreateAssistantsToolOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static AssistantsToolResource Create(
         public static async System.Threading.Tasks.Task<AssistantsToolResource> CreateAsync(
                                                                                   string pathAssistantId,
                                                                                   string pathId,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAssistantsToolOptions(pathAssistantId, pathId){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -147,11 +147,12 @@ public static bool Delete(DeleteAssistantsToolOptions options, ITwilioRestClient
         /// <param name="options"> Delete AssistantsTool parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssistantsTool </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAssistantsToolOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAssistantsToolOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -173,10 +174,10 @@ public static bool Delete(string pathAssistantId, string pathId, ITwilioRestClie
         /// <param name="pathId"> The tool ID. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssistantsTool </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathAssistantId, string pathId, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathAssistantId, string pathId, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAssistantsToolOptions(pathAssistantId, pathId) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static ResourceSet<AssistantsToolResource> Read(ReadAssistantsToolOptions
         /// <param name="options"> Read AssistantsTool parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssistantsTool </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AssistantsToolResource>> ReadAsync(ReadAssistantsToolOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AssistantsToolResource>> ReadAsync(ReadAssistantsToolOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AssistantsToolResource>.FromJson("tools", response.Content);
             return new ResourceSet<AssistantsToolResource>(page, options, client);
@@ -249,10 +250,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AssistantsToolResour
                                                                                              string pathAssistantId,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAssistantsToolOptions(pathAssistantId){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Assistants/V1/Assistant/FeedbackResource.cs b/src/Twilio/Rest/Assistants/V1/Assistant/FeedbackResource.cs
index 31566c467..b64256c9c 100644
--- a/src/Twilio/Rest/Assistants/V1/Assistant/FeedbackResource.cs
+++ b/src/Twilio/Rest/Assistants/V1/Assistant/FeedbackResource.cs
@@ -112,10 +112,10 @@ public static FeedbackResource Create(CreateFeedbackOptions options, ITwilioRest
         /// <param name="options"> Create Feedback parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Feedback </returns>
-        public static async System.Threading.Tasks.Task<FeedbackResource> CreateAsync(CreateFeedbackOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FeedbackResource> CreateAsync(CreateFeedbackOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -143,10 +143,10 @@ public static FeedbackResource Create(
         public static async System.Threading.Tasks.Task<FeedbackResource> CreateAsync(
                                                                                   string pathId,
                                                                                   FeedbackResource.AssistantsV1ServiceCreateFeedbackRequest assistantsV1ServiceCreateFeedbackRequest,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateFeedbackOptions(pathId, assistantsV1ServiceCreateFeedbackRequest){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -183,10 +183,10 @@ public static ResourceSet<FeedbackResource> Read(ReadFeedbackOptions options, IT
         /// <param name="options"> Read Feedback parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Feedback </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<FeedbackResource>> ReadAsync(ReadFeedbackOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<FeedbackResource>> ReadAsync(ReadFeedbackOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<FeedbackResource>.FromJson("feedbacks", response.Content);
             return new ResourceSet<FeedbackResource>(page, options, client);
@@ -219,10 +219,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<FeedbackResource>> R
                                                                                              string pathId,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadFeedbackOptions(pathId){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Assistants/V1/Assistant/MessageResource.cs b/src/Twilio/Rest/Assistants/V1/Assistant/MessageResource.cs
index e400b194c..dd9056de0 100644
--- a/src/Twilio/Rest/Assistants/V1/Assistant/MessageResource.cs
+++ b/src/Twilio/Rest/Assistants/V1/Assistant/MessageResource.cs
@@ -119,10 +119,10 @@ public static MessageResource Create(CreateMessageOptions options, ITwilioRestCl
         /// <param name="options"> Create Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(CreateMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(CreateMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -150,10 +150,10 @@ public static MessageResource Create(
         public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(
                                                                                   string pathId,
                                                                                   MessageResource.AssistantsV1ServiceAssistantSendMessageRequest assistantsV1ServiceAssistantSendMessageRequest,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateMessageOptions(pathId, assistantsV1ServiceAssistantSendMessageRequest){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Assistants/V1/AssistantResource.cs b/src/Twilio/Rest/Assistants/V1/AssistantResource.cs
index 2a2fa14da..43e7550ae 100644
--- a/src/Twilio/Rest/Assistants/V1/AssistantResource.cs
+++ b/src/Twilio/Rest/Assistants/V1/AssistantResource.cs
@@ -416,10 +416,10 @@ public static AssistantResource Create(CreateAssistantOptions options, ITwilioRe
         /// <param name="options"> Create Assistant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Assistant </returns>
-        public static async System.Threading.Tasks.Task<AssistantResource> CreateAsync(CreateAssistantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssistantResource> CreateAsync(CreateAssistantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -443,10 +443,10 @@ public static AssistantResource Create(
         /// <returns> Task that resolves to A single instance of Assistant </returns>
         public static async System.Threading.Tasks.Task<AssistantResource> CreateAsync(
                                                                                   AssistantResource.AssistantsV1ServiceCreateAssistantRequest assistantsV1ServiceCreateAssistantRequest,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAssistantOptions(assistantsV1ServiceCreateAssistantRequest){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -487,11 +487,12 @@ public static bool Delete(DeleteAssistantOptions options, ITwilioRestClient clie
         /// <param name="options"> Delete Assistant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Assistant </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAssistantOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAssistantOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -511,10 +512,10 @@ public static bool Delete(string pathId, ITwilioRestClient client = null)
         /// <param name="pathId">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Assistant </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathId, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathId, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAssistantOptions(pathId) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -551,10 +552,10 @@ public static AssistantResource Fetch(FetchAssistantOptions options, ITwilioRest
         /// <param name="options"> Fetch Assistant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Assistant </returns>
-        public static async System.Threading.Tasks.Task<AssistantResource> FetchAsync(FetchAssistantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssistantResource> FetchAsync(FetchAssistantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -575,10 +576,10 @@ public static AssistantResource Fetch(
         /// <param name="pathId">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Assistant </returns>
-        public static async System.Threading.Tasks.Task<AssistantResource> FetchAsync(string pathId, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssistantResource> FetchAsync(string pathId, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAssistantOptions(pathId){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -613,10 +614,10 @@ public static ResourceSet<AssistantResource> Read(ReadAssistantOptions options,
         /// <param name="options"> Read Assistant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Assistant </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AssistantResource>> ReadAsync(ReadAssistantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AssistantResource>> ReadAsync(ReadAssistantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AssistantResource>.FromJson("assistants", response.Content);
             return new ResourceSet<AssistantResource>(page, options, client);
@@ -645,10 +646,10 @@ public static ResourceSet<AssistantResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<AssistantResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAssistantOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -736,11 +737,12 @@ public static AssistantResource Update(UpdateAssistantOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Assistant </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<AssistantResource> UpdateAsync(UpdateAssistantOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssistantResource> UpdateAsync(UpdateAssistantOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -764,10 +766,10 @@ public static AssistantResource Update(
         /// <returns> Task that resolves to A single instance of Assistant </returns>
         public static async System.Threading.Tasks.Task<AssistantResource> UpdateAsync(
                                                                               string pathId,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateAssistantOptions(pathId){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Assistants/V1/Knowledge/ChunkResource.cs b/src/Twilio/Rest/Assistants/V1/Knowledge/ChunkResource.cs
index ae02b5829..ef8fbb781 100644
--- a/src/Twilio/Rest/Assistants/V1/Knowledge/ChunkResource.cs
+++ b/src/Twilio/Rest/Assistants/V1/Knowledge/ChunkResource.cs
@@ -67,10 +67,10 @@ public static ResourceSet<ChunkResource> Read(ReadChunkOptions options, ITwilioR
         /// <param name="options"> Read Chunk parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Chunk </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ChunkResource>> ReadAsync(ReadChunkOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ChunkResource>> ReadAsync(ReadChunkOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ChunkResource>.FromJson("chunks", response.Content);
             return new ResourceSet<ChunkResource>(page, options, client);
@@ -103,10 +103,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ChunkResource>> Read
                                                                                              string pathId,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadChunkOptions(pathId){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Assistants/V1/Knowledge/KnowledgeStatusResource.cs b/src/Twilio/Rest/Assistants/V1/Knowledge/KnowledgeStatusResource.cs
index 9d071634d..3687e4d6f 100644
--- a/src/Twilio/Rest/Assistants/V1/Knowledge/KnowledgeStatusResource.cs
+++ b/src/Twilio/Rest/Assistants/V1/Knowledge/KnowledgeStatusResource.cs
@@ -67,10 +67,10 @@ public static KnowledgeStatusResource Fetch(FetchKnowledgeStatusOptions options,
         /// <param name="options"> Fetch KnowledgeStatus parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of KnowledgeStatus </returns>
-        public static async System.Threading.Tasks.Task<KnowledgeStatusResource> FetchAsync(FetchKnowledgeStatusOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<KnowledgeStatusResource> FetchAsync(FetchKnowledgeStatusOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static KnowledgeStatusResource Fetch(
         /// <param name="pathId"> the Knowledge ID. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of KnowledgeStatus </returns>
-        public static async System.Threading.Tasks.Task<KnowledgeStatusResource> FetchAsync(string pathId, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<KnowledgeStatusResource> FetchAsync(string pathId, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchKnowledgeStatusOptions(pathId){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Assistants/V1/KnowledgeResource.cs b/src/Twilio/Rest/Assistants/V1/KnowledgeResource.cs
index 7608d27a3..6b60a544d 100644
--- a/src/Twilio/Rest/Assistants/V1/KnowledgeResource.cs
+++ b/src/Twilio/Rest/Assistants/V1/KnowledgeResource.cs
@@ -238,10 +238,10 @@ public static KnowledgeResource Create(CreateKnowledgeOptions options, ITwilioRe
         /// <param name="options"> Create Knowledge parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Knowledge </returns>
-        public static async System.Threading.Tasks.Task<KnowledgeResource> CreateAsync(CreateKnowledgeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<KnowledgeResource> CreateAsync(CreateKnowledgeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -265,10 +265,10 @@ public static KnowledgeResource Create(
         /// <returns> Task that resolves to A single instance of Knowledge </returns>
         public static async System.Threading.Tasks.Task<KnowledgeResource> CreateAsync(
                                                                                   KnowledgeResource.AssistantsV1ServiceCreateKnowledgeRequest assistantsV1ServiceCreateKnowledgeRequest,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateKnowledgeOptions(assistantsV1ServiceCreateKnowledgeRequest){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -309,11 +309,12 @@ public static bool Delete(DeleteKnowledgeOptions options, ITwilioRestClient clie
         /// <param name="options"> Delete Knowledge parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Knowledge </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteKnowledgeOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteKnowledgeOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -333,10 +334,10 @@ public static bool Delete(string pathId, ITwilioRestClient client = null)
         /// <param name="pathId"> the Knowledge ID. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Knowledge </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathId, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathId, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteKnowledgeOptions(pathId) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -373,10 +374,10 @@ public static KnowledgeResource Fetch(FetchKnowledgeOptions options, ITwilioRest
         /// <param name="options"> Fetch Knowledge parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Knowledge </returns>
-        public static async System.Threading.Tasks.Task<KnowledgeResource> FetchAsync(FetchKnowledgeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<KnowledgeResource> FetchAsync(FetchKnowledgeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -397,10 +398,10 @@ public static KnowledgeResource Fetch(
         /// <param name="pathId">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Knowledge </returns>
-        public static async System.Threading.Tasks.Task<KnowledgeResource> FetchAsync(string pathId, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<KnowledgeResource> FetchAsync(string pathId, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchKnowledgeOptions(pathId){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -435,10 +436,10 @@ public static ResourceSet<KnowledgeResource> Read(ReadKnowledgeOptions options,
         /// <param name="options"> Read Knowledge parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Knowledge </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<KnowledgeResource>> ReadAsync(ReadKnowledgeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<KnowledgeResource>> ReadAsync(ReadKnowledgeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<KnowledgeResource>.FromJson("knowledge", response.Content);
             return new ResourceSet<KnowledgeResource>(page, options, client);
@@ -471,10 +472,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<KnowledgeResource>>
                                                                                              string assistantId = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadKnowledgeOptions(){ AssistantId = assistantId, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -562,11 +563,12 @@ public static KnowledgeResource Update(UpdateKnowledgeOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Knowledge </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<KnowledgeResource> UpdateAsync(UpdateKnowledgeOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<KnowledgeResource> UpdateAsync(UpdateKnowledgeOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -590,10 +592,10 @@ public static KnowledgeResource Update(
         /// <returns> Task that resolves to A single instance of Knowledge </returns>
         public static async System.Threading.Tasks.Task<KnowledgeResource> UpdateAsync(
                                                                               string pathId,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateKnowledgeOptions(pathId){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Assistants/V1/PolicyResource.cs b/src/Twilio/Rest/Assistants/V1/PolicyResource.cs
index 83ec75ea0..c9ce25a3f 100644
--- a/src/Twilio/Rest/Assistants/V1/PolicyResource.cs
+++ b/src/Twilio/Rest/Assistants/V1/PolicyResource.cs
@@ -65,10 +65,10 @@ public static ResourceSet<PolicyResource> Read(ReadPolicyOptions options, ITwili
         /// <param name="options"> Read Policy parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Policy </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<PolicyResource>> ReadAsync(ReadPolicyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<PolicyResource>> ReadAsync(ReadPolicyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<PolicyResource>.FromJson("policies", response.Content);
             return new ResourceSet<PolicyResource>(page, options, client);
@@ -105,10 +105,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<PolicyResource>> Rea
                                                                                              string knowledgeId = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadPolicyOptions(){ ToolId = toolId, KnowledgeId = knowledgeId, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Assistants/V1/Session/MessageResource.cs b/src/Twilio/Rest/Assistants/V1/Session/MessageResource.cs
index 8b3abfa09..0b7d677db 100644
--- a/src/Twilio/Rest/Assistants/V1/Session/MessageResource.cs
+++ b/src/Twilio/Rest/Assistants/V1/Session/MessageResource.cs
@@ -67,10 +67,10 @@ public static ResourceSet<MessageResource> Read(ReadMessageOptions options, ITwi
         /// <param name="options"> Read Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> ReadAsync(ReadMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> ReadAsync(ReadMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MessageResource>.FromJson("messages", response.Content);
             return new ResourceSet<MessageResource>(page, options, client);
@@ -103,10 +103,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> Re
                                                                                              string pathSessionId,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMessageOptions(pathSessionId){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Assistants/V1/SessionResource.cs b/src/Twilio/Rest/Assistants/V1/SessionResource.cs
index 2788b3ef4..8b8232cea 100644
--- a/src/Twilio/Rest/Assistants/V1/SessionResource.cs
+++ b/src/Twilio/Rest/Assistants/V1/SessionResource.cs
@@ -67,10 +67,10 @@ public static SessionResource Fetch(FetchSessionOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Session parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Session </returns>
-        public static async System.Threading.Tasks.Task<SessionResource> FetchAsync(FetchSessionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SessionResource> FetchAsync(FetchSessionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static SessionResource Fetch(
         /// <param name="pathId">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Session </returns>
-        public static async System.Threading.Tasks.Task<SessionResource> FetchAsync(string pathId, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SessionResource> FetchAsync(string pathId, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSessionOptions(pathId){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<SessionResource> Read(ReadSessionOptions options, ITwi
         /// <param name="options"> Read Session parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Session </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SessionResource>> ReadAsync(ReadSessionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SessionResource>> ReadAsync(ReadSessionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SessionResource>.FromJson("sessions", response.Content);
             return new ResourceSet<SessionResource>(page, options, client);
@@ -161,10 +161,10 @@ public static ResourceSet<SessionResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<SessionResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSessionOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Assistants/V1/ToolResource.cs b/src/Twilio/Rest/Assistants/V1/ToolResource.cs
index a8be3c6dd..71aa505fc 100644
--- a/src/Twilio/Rest/Assistants/V1/ToolResource.cs
+++ b/src/Twilio/Rest/Assistants/V1/ToolResource.cs
@@ -323,10 +323,10 @@ public static ToolResource Create(CreateToolOptions options, ITwilioRestClient c
         /// <param name="options"> Create Tool parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Tool </returns>
-        public static async System.Threading.Tasks.Task<ToolResource> CreateAsync(CreateToolOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ToolResource> CreateAsync(CreateToolOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -350,10 +350,10 @@ public static ToolResource Create(
         /// <returns> Task that resolves to A single instance of Tool </returns>
         public static async System.Threading.Tasks.Task<ToolResource> CreateAsync(
                                                                                   ToolResource.AssistantsV1ServiceCreateToolRequest assistantsV1ServiceCreateToolRequest,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateToolOptions(assistantsV1ServiceCreateToolRequest){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -394,11 +394,12 @@ public static bool Delete(DeleteToolOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete Tool parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Tool </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteToolOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteToolOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -418,10 +419,10 @@ public static bool Delete(string pathId, ITwilioRestClient client = null)
         /// <param name="pathId"> The tool ID. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Tool </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathId, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathId, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteToolOptions(pathId) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -458,10 +459,10 @@ public static ToolResource Fetch(FetchToolOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Tool parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Tool </returns>
-        public static async System.Threading.Tasks.Task<ToolResource> FetchAsync(FetchToolOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ToolResource> FetchAsync(FetchToolOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -482,10 +483,10 @@ public static ToolResource Fetch(
         /// <param name="pathId">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Tool </returns>
-        public static async System.Threading.Tasks.Task<ToolResource> FetchAsync(string pathId, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ToolResource> FetchAsync(string pathId, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchToolOptions(pathId){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -520,10 +521,10 @@ public static ResourceSet<ToolResource> Read(ReadToolOptions options, ITwilioRes
         /// <param name="options"> Read Tool parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Tool </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ToolResource>> ReadAsync(ReadToolOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ToolResource>> ReadAsync(ReadToolOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ToolResource>.FromJson("tools", response.Content);
             return new ResourceSet<ToolResource>(page, options, client);
@@ -556,10 +557,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ToolResource>> ReadA
                                                                                              string assistantId = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadToolOptions(){ AssistantId = assistantId, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -647,11 +648,12 @@ public static ToolResource Update(UpdateToolOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Tool </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ToolResource> UpdateAsync(UpdateToolOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ToolResource> UpdateAsync(UpdateToolOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -675,10 +677,10 @@ public static ToolResource Update(
         /// <returns> Task that resolves to A single instance of Tool </returns>
         public static async System.Threading.Tasks.Task<ToolResource> UpdateAsync(
                                                                               string pathId,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateToolOptions(pathId){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Bulkexports/V1/Export/DayResource.cs b/src/Twilio/Rest/Bulkexports/V1/Export/DayResource.cs
index 965bcc940..047ce1b06 100644
--- a/src/Twilio/Rest/Bulkexports/V1/Export/DayResource.cs
+++ b/src/Twilio/Rest/Bulkexports/V1/Export/DayResource.cs
@@ -69,10 +69,10 @@ public static DayResource Fetch(FetchDayOptions options, ITwilioRestClient clien
         /// <param name="options"> Fetch Day parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Day </returns>
-        public static async System.Threading.Tasks.Task<DayResource> FetchAsync(FetchDayOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DayResource> FetchAsync(FetchDayOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +96,10 @@ public static DayResource Fetch(
         /// <param name="pathDay"> The ISO 8601 format date of the resources in the file, for a UTC day </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Day </returns>
-        public static async System.Threading.Tasks.Task<DayResource> FetchAsync(string pathResourceType, string pathDay, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DayResource> FetchAsync(string pathResourceType, string pathDay, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDayOptions(pathResourceType, pathDay){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -136,10 +136,10 @@ public static ResourceSet<DayResource> Read(ReadDayOptions options, ITwilioRestC
         /// <param name="options"> Read Day parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Day </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DayResource>> ReadAsync(ReadDayOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DayResource>> ReadAsync(ReadDayOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<DayResource>.FromJson("days", response.Content);
             return new ResourceSet<DayResource>(page, options, client);
@@ -172,10 +172,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<DayResource>> ReadAs
                                                                                              string pathResourceType,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDayOptions(pathResourceType){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Bulkexports/V1/Export/ExportCustomJobResource.cs b/src/Twilio/Rest/Bulkexports/V1/Export/ExportCustomJobResource.cs
index b9bf0f10b..f3265249f 100644
--- a/src/Twilio/Rest/Bulkexports/V1/Export/ExportCustomJobResource.cs
+++ b/src/Twilio/Rest/Bulkexports/V1/Export/ExportCustomJobResource.cs
@@ -68,10 +68,10 @@ public static ExportCustomJobResource Create(CreateExportCustomJobOptions option
         /// <param name="options"> Create ExportCustomJob parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExportCustomJob </returns>
-        public static async System.Threading.Tasks.Task<ExportCustomJobResource> CreateAsync(CreateExportCustomJobOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExportCustomJobResource> CreateAsync(CreateExportCustomJobOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -119,10 +119,10 @@ public static async System.Threading.Tasks.Task<ExportCustomJobResource> CreateA
                                                                                   string webhookUrl = null,
                                                                                   string webhookMethod = null,
                                                                                   string email = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateExportCustomJobOptions(pathResourceType, startDay, endDay, friendlyName){  WebhookUrl = webhookUrl, WebhookMethod = webhookMethod, Email = email };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -159,10 +159,10 @@ public static ResourceSet<ExportCustomJobResource> Read(ReadExportCustomJobOptio
         /// <param name="options"> Read ExportCustomJob parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExportCustomJob </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ExportCustomJobResource>> ReadAsync(ReadExportCustomJobOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ExportCustomJobResource>> ReadAsync(ReadExportCustomJobOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ExportCustomJobResource>.FromJson("jobs", response.Content);
             return new ResourceSet<ExportCustomJobResource>(page, options, client);
@@ -195,10 +195,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ExportCustomJobResou
                                                                                              string pathResourceType,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadExportCustomJobOptions(pathResourceType){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Bulkexports/V1/Export/JobResource.cs b/src/Twilio/Rest/Bulkexports/V1/Export/JobResource.cs
index eb89b04b3..5d1d26141 100644
--- a/src/Twilio/Rest/Bulkexports/V1/Export/JobResource.cs
+++ b/src/Twilio/Rest/Bulkexports/V1/Export/JobResource.cs
@@ -71,11 +71,12 @@ public static bool Delete(DeleteJobOptions options, ITwilioRestClient client = n
         /// <param name="options"> Delete Job parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Job </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteJobOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteJobOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -95,10 +96,10 @@ public static bool Delete(string pathJobSid, ITwilioRestClient client = null)
         /// <param name="pathJobSid"> The unique string that that we created to identify the Bulk Export job </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Job </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathJobSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathJobSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteJobOptions(pathJobSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -135,10 +136,10 @@ public static JobResource Fetch(FetchJobOptions options, ITwilioRestClient clien
         /// <param name="options"> Fetch Job parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Job </returns>
-        public static async System.Threading.Tasks.Task<JobResource> FetchAsync(FetchJobOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<JobResource> FetchAsync(FetchJobOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -159,10 +160,10 @@ public static JobResource Fetch(
         /// <param name="pathJobSid"> The unique string that that we created to identify the Bulk Export job </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Job </returns>
-        public static async System.Threading.Tasks.Task<JobResource> FetchAsync(string pathJobSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<JobResource> FetchAsync(string pathJobSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchJobOptions(pathJobSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Bulkexports/V1/ExportConfigurationResource.cs b/src/Twilio/Rest/Bulkexports/V1/ExportConfigurationResource.cs
index ec8ffc17a..f4b620ffc 100644
--- a/src/Twilio/Rest/Bulkexports/V1/ExportConfigurationResource.cs
+++ b/src/Twilio/Rest/Bulkexports/V1/ExportConfigurationResource.cs
@@ -67,10 +67,10 @@ public static ExportConfigurationResource Fetch(FetchExportConfigurationOptions
         /// <param name="options"> Fetch ExportConfiguration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExportConfiguration </returns>
-        public static async System.Threading.Tasks.Task<ExportConfigurationResource> FetchAsync(FetchExportConfigurationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExportConfigurationResource> FetchAsync(FetchExportConfigurationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static ExportConfigurationResource Fetch(
         /// <param name="pathResourceType"> The type of communication – Messages, Calls, Conferences, and Participants </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExportConfiguration </returns>
-        public static async System.Threading.Tasks.Task<ExportConfigurationResource> FetchAsync(string pathResourceType, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExportConfigurationResource> FetchAsync(string pathResourceType, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchExportConfigurationOptions(pathResourceType){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -132,11 +132,12 @@ public static ExportConfigurationResource Update(UpdateExportConfigurationOption
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExportConfiguration </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ExportConfigurationResource> UpdateAsync(UpdateExportConfigurationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExportConfigurationResource> UpdateAsync(UpdateExportConfigurationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -172,10 +173,10 @@ public static async System.Threading.Tasks.Task<ExportConfigurationResource> Upd
                                                                               bool? enabled = null,
                                                                               Uri webhookUrl = null,
                                                                               string webhookMethod = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateExportConfigurationOptions(pathResourceType){ Enabled = enabled, WebhookUrl = webhookUrl, WebhookMethod = webhookMethod };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Bulkexports/V1/ExportResource.cs b/src/Twilio/Rest/Bulkexports/V1/ExportResource.cs
index 7deb09bdc..56d8cc0b2 100644
--- a/src/Twilio/Rest/Bulkexports/V1/ExportResource.cs
+++ b/src/Twilio/Rest/Bulkexports/V1/ExportResource.cs
@@ -67,10 +67,10 @@ public static ExportResource Fetch(FetchExportOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Export parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Export </returns>
-        public static async System.Threading.Tasks.Task<ExportResource> FetchAsync(FetchExportOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExportResource> FetchAsync(FetchExportOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static ExportResource Fetch(
         /// <param name="pathResourceType"> The type of communication – Messages, Calls, Conferences, and Participants </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Export </returns>
-        public static async System.Threading.Tasks.Task<ExportResource> FetchAsync(string pathResourceType, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExportResource> FetchAsync(string pathResourceType, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchExportOptions(pathResourceType){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Chat/V1/CredentialResource.cs b/src/Twilio/Rest/Chat/V1/CredentialResource.cs
index 76e909978..892dcf442 100644
--- a/src/Twilio/Rest/Chat/V1/CredentialResource.cs
+++ b/src/Twilio/Rest/Chat/V1/CredentialResource.cs
@@ -80,10 +80,10 @@ public static CredentialResource Create(CreateCredentialOptions options, ITwilio
         /// <param name="options"> Create Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(CreateCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(CreateCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -131,10 +131,10 @@ public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(
                                                                                   bool? sandbox = null,
                                                                                   string apiKey = null,
                                                                                   string secret = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCredentialOptions(type){  FriendlyName = friendlyName, Certificate = certificate, PrivateKey = privateKey, Sandbox = sandbox, ApiKey = apiKey, Secret = secret };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -175,11 +175,12 @@ public static bool Delete(DeleteCredentialOptions options, ITwilioRestClient cli
         /// <param name="options"> Delete Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -199,10 +200,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Credential resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCredentialOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -239,10 +240,10 @@ public static CredentialResource Fetch(FetchCredentialOptions options, ITwilioRe
         /// <param name="options"> Fetch Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(FetchCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(FetchCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -263,10 +264,10 @@ public static CredentialResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Credential resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCredentialOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<CredentialResource> Read(ReadCredentialOptions options
         /// <param name="options"> Read Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(ReadCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(ReadCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CredentialResource>.FromJson("credentials", response.Content);
             return new ResourceSet<CredentialResource>(page, options, client);
@@ -333,10 +334,10 @@ public static ResourceSet<CredentialResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCredentialOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -423,11 +424,12 @@ public static CredentialResource Update(UpdateCredentialOptions options, ITwilio
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(UpdateCredentialOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(UpdateCredentialOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -475,10 +477,10 @@ public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(
                                                                               bool? sandbox = null,
                                                                               string apiKey = null,
                                                                               string secret = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateCredentialOptions(pathSid){ FriendlyName = friendlyName, Certificate = certificate, PrivateKey = privateKey, Sandbox = sandbox, ApiKey = apiKey, Secret = secret };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Chat/V1/Service/Channel/InviteResource.cs b/src/Twilio/Rest/Chat/V1/Service/Channel/InviteResource.cs
index 15b020150..fbcf37f2a 100644
--- a/src/Twilio/Rest/Chat/V1/Service/Channel/InviteResource.cs
+++ b/src/Twilio/Rest/Chat/V1/Service/Channel/InviteResource.cs
@@ -70,10 +70,10 @@ public static InviteResource Create(CreateInviteOptions options, ITwilioRestClie
         /// <param name="options"> Create Invite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<InviteResource> CreateAsync(CreateInviteOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InviteResource> CreateAsync(CreateInviteOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -109,10 +109,10 @@ public static async System.Threading.Tasks.Task<InviteResource> CreateAsync(
                                                                                   string pathChannelSid,
                                                                                   string identity,
                                                                                   string roleSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateInviteOptions(pathServiceSid, pathChannelSid, identity){  RoleSid = roleSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,11 +157,12 @@ public static bool Delete(DeleteInviteOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Invite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInviteOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInviteOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -185,10 +186,10 @@ public static bool Delete(string pathServiceSid, string pathChannelSid, string p
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Invite resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteInviteOptions(pathServiceSid, pathChannelSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -229,10 +230,10 @@ public static InviteResource Fetch(FetchInviteOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Invite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<InviteResource> FetchAsync(FetchInviteOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InviteResource> FetchAsync(FetchInviteOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -259,10 +260,10 @@ public static InviteResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Invite resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<InviteResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InviteResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchInviteOptions(pathServiceSid, pathChannelSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<InviteResource> Read(ReadInviteOptions options, ITwili
         /// <param name="options"> Read Invite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InviteResource>> ReadAsync(ReadInviteOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InviteResource>> ReadAsync(ReadInviteOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InviteResource>.FromJson("invites", response.Content);
             return new ResourceSet<InviteResource>(page, options, client);
@@ -345,10 +346,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<InviteResource>> Rea
                                                                                              List<string> identity = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInviteOptions(pathServiceSid, pathChannelSid){ Identity = identity, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Chat/V1/Service/Channel/MemberResource.cs b/src/Twilio/Rest/Chat/V1/Service/Channel/MemberResource.cs
index 989d94319..455e015b8 100644
--- a/src/Twilio/Rest/Chat/V1/Service/Channel/MemberResource.cs
+++ b/src/Twilio/Rest/Chat/V1/Service/Channel/MemberResource.cs
@@ -70,10 +70,10 @@ public static MemberResource Create(CreateMemberOptions options, ITwilioRestClie
         /// <param name="options"> Create Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<MemberResource> CreateAsync(CreateMemberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> CreateAsync(CreateMemberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -109,10 +109,10 @@ public static async System.Threading.Tasks.Task<MemberResource> CreateAsync(
                                                                                   string pathChannelSid,
                                                                                   string identity,
                                                                                   string roleSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateMemberOptions(pathServiceSid, pathChannelSid, identity){  RoleSid = roleSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,11 +157,12 @@ public static bool Delete(DeleteMemberOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMemberOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMemberOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -185,10 +186,10 @@ public static bool Delete(string pathServiceSid, string pathChannelSid, string p
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Member resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteMemberOptions(pathServiceSid, pathChannelSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -229,10 +230,10 @@ public static MemberResource Fetch(FetchMemberOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(FetchMemberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(FetchMemberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -259,10 +260,10 @@ public static MemberResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Member resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchMemberOptions(pathServiceSid, pathChannelSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<MemberResource> Read(ReadMemberOptions options, ITwili
         /// <param name="options"> Read Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MemberResource>> ReadAsync(ReadMemberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MemberResource>> ReadAsync(ReadMemberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MemberResource>.FromJson("members", response.Content);
             return new ResourceSet<MemberResource>(page, options, client);
@@ -345,10 +346,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<MemberResource>> Rea
                                                                                              List<string> identity = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMemberOptions(pathServiceSid, pathChannelSid){ Identity = identity, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -439,11 +440,12 @@ public static MemberResource Update(UpdateMemberOptions options, ITwilioRestClie
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<MemberResource> UpdateAsync(UpdateMemberOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> UpdateAsync(UpdateMemberOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -483,10 +485,10 @@ public static async System.Threading.Tasks.Task<MemberResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string roleSid = null,
                                                                               int? lastConsumedMessageIndex = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateMemberOptions(pathServiceSid, pathChannelSid, pathSid){ RoleSid = roleSid, LastConsumedMessageIndex = lastConsumedMessageIndex };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Chat/V1/Service/Channel/MessageResource.cs b/src/Twilio/Rest/Chat/V1/Service/Channel/MessageResource.cs
index 09b668b97..668fddd54 100644
--- a/src/Twilio/Rest/Chat/V1/Service/Channel/MessageResource.cs
+++ b/src/Twilio/Rest/Chat/V1/Service/Channel/MessageResource.cs
@@ -82,10 +82,10 @@ public static MessageResource Create(CreateMessageOptions options, ITwilioRestCl
         /// <param name="options"> Create Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(CreateMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(CreateMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -125,10 +125,10 @@ public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(
                                                                                   string body,
                                                                                   string from = null,
                                                                                   string attributes = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateMessageOptions(pathServiceSid, pathChannelSid, body){  From = from, Attributes = attributes };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -173,11 +173,12 @@ public static bool Delete(DeleteMessageOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMessageOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMessageOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -201,10 +202,10 @@ public static bool Delete(string pathServiceSid, string pathChannelSid, string p
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Message resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteMessageOptions(pathServiceSid, pathChannelSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -245,10 +246,10 @@ public static MessageResource Fetch(FetchMessageOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(FetchMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(FetchMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -275,10 +276,10 @@ public static MessageResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Message resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchMessageOptions(pathServiceSid, pathChannelSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -317,10 +318,10 @@ public static ResourceSet<MessageResource> Read(ReadMessageOptions options, ITwi
         /// <param name="options"> Read Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> ReadAsync(ReadMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> ReadAsync(ReadMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MessageResource>.FromJson("messages", response.Content);
             return new ResourceSet<MessageResource>(page, options, client);
@@ -361,10 +362,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> Re
                                                                                              MessageResource.OrderTypeEnum order = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMessageOptions(pathServiceSid, pathChannelSid){ Order = order, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -455,11 +456,12 @@ public static MessageResource Update(UpdateMessageOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(UpdateMessageOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(UpdateMessageOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -499,10 +501,10 @@ public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string body = null,
                                                                               string attributes = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateMessageOptions(pathServiceSid, pathChannelSid, pathSid){ Body = body, Attributes = attributes };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Chat/V1/Service/ChannelResource.cs b/src/Twilio/Rest/Chat/V1/Service/ChannelResource.cs
index fbf81e1b9..4d3ec2633 100644
--- a/src/Twilio/Rest/Chat/V1/Service/ChannelResource.cs
+++ b/src/Twilio/Rest/Chat/V1/Service/ChannelResource.cs
@@ -81,10 +81,10 @@ public static ChannelResource Create(CreateChannelOptions options, ITwilioRestCl
         /// <param name="options"> Create Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ChannelResource> CreateAsync(CreateChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> CreateAsync(CreateChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -124,10 +124,10 @@ public static async System.Threading.Tasks.Task<ChannelResource> CreateAsync(
                                                                                   string uniqueName = null,
                                                                                   string attributes = null,
                                                                                   ChannelResource.ChannelTypeEnum type = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateChannelOptions(pathServiceSid){  FriendlyName = friendlyName, UniqueName = uniqueName, Attributes = attributes, Type = type };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -170,11 +170,12 @@ public static bool Delete(DeleteChannelOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteChannelOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteChannelOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -196,10 +197,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Channel resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteChannelOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -238,10 +239,10 @@ public static ChannelResource Fetch(FetchChannelOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(FetchChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(FetchChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -265,10 +266,10 @@ public static ChannelResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Channel resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchChannelOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -305,10 +306,10 @@ public static ResourceSet<ChannelResource> Read(ReadChannelOptions options, ITwi
         /// <param name="options"> Read Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ChannelResource>> ReadAsync(ReadChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ChannelResource>> ReadAsync(ReadChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ChannelResource>.FromJson("channels", response.Content);
             return new ResourceSet<ChannelResource>(page, options, client);
@@ -345,10 +346,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ChannelResource>> Re
                                                                                              List<ChannelResource.ChannelTypeEnum> type = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadChannelOptions(pathServiceSid){ Type = type, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -437,11 +438,12 @@ public static ChannelResource Update(UpdateChannelOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ChannelResource> UpdateAsync(UpdateChannelOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> UpdateAsync(UpdateChannelOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -481,10 +483,10 @@ public static async System.Threading.Tasks.Task<ChannelResource> UpdateAsync(
                                                                               string friendlyName = null,
                                                                               string uniqueName = null,
                                                                               string attributes = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateChannelOptions(pathServiceSid, pathSid){ FriendlyName = friendlyName, UniqueName = uniqueName, Attributes = attributes };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Chat/V1/Service/RoleResource.cs b/src/Twilio/Rest/Chat/V1/Service/RoleResource.cs
index 8504cd263..242818007 100644
--- a/src/Twilio/Rest/Chat/V1/Service/RoleResource.cs
+++ b/src/Twilio/Rest/Chat/V1/Service/RoleResource.cs
@@ -81,10 +81,10 @@ public static RoleResource Create(CreateRoleOptions options, ITwilioRestClient c
         /// <param name="options"> Create Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(CreateRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(CreateRoleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -120,10 +120,10 @@ public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(
                                                                                   string friendlyName,
                                                                                   RoleResource.RoleTypeEnum type,
                                                                                   List<string> permission,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateRoleOptions(pathServiceSid, friendlyName, type, permission){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -166,11 +166,12 @@ public static bool Delete(DeleteRoleOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRoleOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRoleOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -192,10 +193,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Role resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteRoleOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -234,10 +235,10 @@ public static RoleResource Fetch(FetchRoleOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(FetchRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(FetchRoleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -261,10 +262,10 @@ public static RoleResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Role resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRoleOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<RoleResource> Read(ReadRoleOptions options, ITwilioRes
         /// <param name="options"> Read Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadAsync(ReadRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadAsync(ReadRoleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RoleResource>.FromJson("roles", response.Content);
             return new ResourceSet<RoleResource>(page, options, client);
@@ -337,10 +338,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadA
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRoleOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -429,11 +430,12 @@ public static RoleResource Update(UpdateRoleOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(UpdateRoleOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(UpdateRoleOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -465,10 +467,10 @@ public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(
                                                                               string pathServiceSid,
                                                                               string pathSid,
                                                                               List<string> permission,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateRoleOptions(pathServiceSid, pathSid, permission){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Chat/V1/Service/User/UserChannelResource.cs b/src/Twilio/Rest/Chat/V1/Service/User/UserChannelResource.cs
index 63e12087d..a6eb9cb26 100644
--- a/src/Twilio/Rest/Chat/V1/Service/User/UserChannelResource.cs
+++ b/src/Twilio/Rest/Chat/V1/Service/User/UserChannelResource.cs
@@ -83,10 +83,10 @@ public static ResourceSet<UserChannelResource> Read(ReadUserChannelOptions optio
         /// <param name="options"> Read UserChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserChannel </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UserChannelResource>> ReadAsync(ReadUserChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UserChannelResource>> ReadAsync(ReadUserChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<UserChannelResource>.FromJson("channels", response.Content);
             return new ResourceSet<UserChannelResource>(page, options, client);
@@ -123,10 +123,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<UserChannelResource>
                                                                                              string pathUserSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUserChannelOptions(pathServiceSid, pathUserSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Chat/V1/Service/UserResource.cs b/src/Twilio/Rest/Chat/V1/Service/UserResource.cs
index e7c9591ec..ec03928f8 100644
--- a/src/Twilio/Rest/Chat/V1/Service/UserResource.cs
+++ b/src/Twilio/Rest/Chat/V1/Service/UserResource.cs
@@ -68,10 +68,10 @@ public static UserResource Create(CreateUserOptions options, ITwilioRestClient c
         /// <param name="options"> Create User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> CreateAsync(CreateUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> CreateAsync(CreateUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -111,10 +111,10 @@ public static async System.Threading.Tasks.Task<UserResource> CreateAsync(
                                                                                   string roleSid = null,
                                                                                   string attributes = null,
                                                                                   string friendlyName = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateUserOptions(pathServiceSid, identity){  RoleSid = roleSid, Attributes = attributes, FriendlyName = friendlyName };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,11 +157,12 @@ public static bool Delete(DeleteUserOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -183,10 +184,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the User resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteUserOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -225,10 +226,10 @@ public static UserResource Fetch(FetchUserOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(FetchUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(FetchUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -252,10 +253,10 @@ public static UserResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the User resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUserOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -292,10 +293,10 @@ public static ResourceSet<UserResource> Read(ReadUserOptions options, ITwilioRes
         /// <param name="options"> Read User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadAsync(ReadUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadAsync(ReadUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<UserResource>.FromJson("users", response.Content);
             return new ResourceSet<UserResource>(page, options, client);
@@ -328,10 +329,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadA
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUserOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -420,11 +421,12 @@ public static UserResource Update(UpdateUserOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(UpdateUserOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(UpdateUserOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -464,10 +466,10 @@ public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(
                                                                               string roleSid = null,
                                                                               string attributes = null,
                                                                               string friendlyName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateUserOptions(pathServiceSid, pathSid){ RoleSid = roleSid, Attributes = attributes, FriendlyName = friendlyName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Chat/V1/ServiceResource.cs b/src/Twilio/Rest/Chat/V1/ServiceResource.cs
index 8e199826a..722c42152 100644
--- a/src/Twilio/Rest/Chat/V1/ServiceResource.cs
+++ b/src/Twilio/Rest/Chat/V1/ServiceResource.cs
@@ -66,10 +66,10 @@ public static ServiceResource Create(CreateServiceOptions options, ITwilioRestCl
         /// <param name="options"> Create Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -93,10 +93,10 @@ public static ServiceResource Create(
         /// <returns> Task that resolves to A single instance of Service </returns>
         public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(
                                                                                   string friendlyName,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateServiceOptions(friendlyName){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -137,11 +137,12 @@ public static bool Delete(DeleteServiceOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -161,10 +162,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Service resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteServiceOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -201,10 +202,10 @@ public static ServiceResource Fetch(FetchServiceOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -225,10 +226,10 @@ public static ServiceResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Service resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchServiceOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -263,10 +264,10 @@ public static ResourceSet<ServiceResource> Read(ReadServiceOptions options, ITwi
         /// <param name="options"> Read Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ServiceResource>.FromJson("services", response.Content);
             return new ResourceSet<ServiceResource>(page, options, client);
@@ -295,10 +296,10 @@ public static ResourceSet<ServiceResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadServiceOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -385,11 +386,12 @@ public static ServiceResource Update(UpdateServiceOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -629,10 +631,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(
                                                                               Twilio.Http.HttpMethod webhooksOnMemberRemovedMethod = null,
                                                                               int? limitsChannelMembers = null,
                                                                               int? limitsUserChannels = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateServiceOptions(pathSid){ FriendlyName = friendlyName, DefaultServiceRoleSid = defaultServiceRoleSid, DefaultChannelRoleSid = defaultChannelRoleSid, DefaultChannelCreatorRoleSid = defaultChannelCreatorRoleSid, ReadStatusEnabled = readStatusEnabled, ReachabilityEnabled = reachabilityEnabled, TypingIndicatorTimeout = typingIndicatorTimeout, ConsumptionReportInterval = consumptionReportInterval, NotificationsNewMessageEnabled = notificationsNewMessageEnabled, NotificationsNewMessageTemplate = notificationsNewMessageTemplate, NotificationsAddedToChannelEnabled = notificationsAddedToChannelEnabled, NotificationsAddedToChannelTemplate = notificationsAddedToChannelTemplate, NotificationsRemovedFromChannelEnabled = notificationsRemovedFromChannelEnabled, NotificationsRemovedFromChannelTemplate = notificationsRemovedFromChannelTemplate, NotificationsInvitedToChannelEnabled = notificationsInvitedToChannelEnabled, NotificationsInvitedToChannelTemplate = notificationsInvitedToChannelTemplate, PreWebhookUrl = preWebhookUrl, PostWebhookUrl = postWebhookUrl, WebhookMethod = webhookMethod, WebhookFilters = webhookFilters, WebhooksOnMessageSendUrl = webhooksOnMessageSendUrl, WebhooksOnMessageSendMethod = webhooksOnMessageSendMethod, WebhooksOnMessageUpdateUrl = webhooksOnMessageUpdateUrl, WebhooksOnMessageUpdateMethod = webhooksOnMessageUpdateMethod, WebhooksOnMessageRemoveUrl = webhooksOnMessageRemoveUrl, WebhooksOnMessageRemoveMethod = webhooksOnMessageRemoveMethod, WebhooksOnChannelAddUrl = webhooksOnChannelAddUrl, WebhooksOnChannelAddMethod = webhooksOnChannelAddMethod, WebhooksOnChannelDestroyUrl = webhooksOnChannelDestroyUrl, WebhooksOnChannelDestroyMethod = webhooksOnChannelDestroyMethod, WebhooksOnChannelUpdateUrl = webhooksOnChannelUpdateUrl, WebhooksOnChannelUpdateMethod = webhooksOnChannelUpdateMethod, WebhooksOnMemberAddUrl = webhooksOnMemberAddUrl, WebhooksOnMemberAddMethod = webhooksOnMemberAddMethod, WebhooksOnMemberRemoveUrl = webhooksOnMemberRemoveUrl, WebhooksOnMemberRemoveMethod = webhooksOnMemberRemoveMethod, WebhooksOnMessageSentUrl = webhooksOnMessageSentUrl, WebhooksOnMessageSentMethod = webhooksOnMessageSentMethod, WebhooksOnMessageUpdatedUrl = webhooksOnMessageUpdatedUrl, WebhooksOnMessageUpdatedMethod = webhooksOnMessageUpdatedMethod, WebhooksOnMessageRemovedUrl = webhooksOnMessageRemovedUrl, WebhooksOnMessageRemovedMethod = webhooksOnMessageRemovedMethod, WebhooksOnChannelAddedUrl = webhooksOnChannelAddedUrl, WebhooksOnChannelAddedMethod = webhooksOnChannelAddedMethod, WebhooksOnChannelDestroyedUrl = webhooksOnChannelDestroyedUrl, WebhooksOnChannelDestroyedMethod = webhooksOnChannelDestroyedMethod, WebhooksOnChannelUpdatedUrl = webhooksOnChannelUpdatedUrl, WebhooksOnChannelUpdatedMethod = webhooksOnChannelUpdatedMethod, WebhooksOnMemberAddedUrl = webhooksOnMemberAddedUrl, WebhooksOnMemberAddedMethod = webhooksOnMemberAddedMethod, WebhooksOnMemberRemovedUrl = webhooksOnMemberRemovedUrl, WebhooksOnMemberRemovedMethod = webhooksOnMemberRemovedMethod, LimitsChannelMembers = limitsChannelMembers, LimitsUserChannels = limitsUserChannels };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Chat/V2/CredentialResource.cs b/src/Twilio/Rest/Chat/V2/CredentialResource.cs
index 2835f40a2..33af02d63 100644
--- a/src/Twilio/Rest/Chat/V2/CredentialResource.cs
+++ b/src/Twilio/Rest/Chat/V2/CredentialResource.cs
@@ -80,10 +80,10 @@ public static CredentialResource Create(CreateCredentialOptions options, ITwilio
         /// <param name="options"> Create Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(CreateCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(CreateCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -131,10 +131,10 @@ public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(
                                                                                   bool? sandbox = null,
                                                                                   string apiKey = null,
                                                                                   string secret = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCredentialOptions(type){  FriendlyName = friendlyName, Certificate = certificate, PrivateKey = privateKey, Sandbox = sandbox, ApiKey = apiKey, Secret = secret };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -175,11 +175,12 @@ public static bool Delete(DeleteCredentialOptions options, ITwilioRestClient cli
         /// <param name="options"> Delete Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -199,10 +200,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the Credential resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCredentialOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -239,10 +240,10 @@ public static CredentialResource Fetch(FetchCredentialOptions options, ITwilioRe
         /// <param name="options"> Fetch Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(FetchCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(FetchCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -263,10 +264,10 @@ public static CredentialResource Fetch(
         /// <param name="pathSid"> The SID of the Credential resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCredentialOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<CredentialResource> Read(ReadCredentialOptions options
         /// <param name="options"> Read Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(ReadCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(ReadCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CredentialResource>.FromJson("credentials", response.Content);
             return new ResourceSet<CredentialResource>(page, options, client);
@@ -333,10 +334,10 @@ public static ResourceSet<CredentialResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCredentialOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -423,11 +424,12 @@ public static CredentialResource Update(UpdateCredentialOptions options, ITwilio
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(UpdateCredentialOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(UpdateCredentialOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -475,10 +477,10 @@ public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(
                                                                               bool? sandbox = null,
                                                                               string apiKey = null,
                                                                               string secret = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateCredentialOptions(pathSid){ FriendlyName = friendlyName, Certificate = certificate, PrivateKey = privateKey, Sandbox = sandbox, ApiKey = apiKey, Secret = secret };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Chat/V2/Service/BindingResource.cs b/src/Twilio/Rest/Chat/V2/Service/BindingResource.cs
index 4a24ceea4..327faabf3 100644
--- a/src/Twilio/Rest/Chat/V2/Service/BindingResource.cs
+++ b/src/Twilio/Rest/Chat/V2/Service/BindingResource.cs
@@ -87,11 +87,12 @@ public static bool Delete(DeleteBindingOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Binding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteBindingOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteBindingOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -113,10 +114,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The SID of the Binding resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteBindingOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -155,10 +156,10 @@ public static BindingResource Fetch(FetchBindingOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Binding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<BindingResource> FetchAsync(FetchBindingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BindingResource> FetchAsync(FetchBindingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -182,10 +183,10 @@ public static BindingResource Fetch(
         /// <param name="pathSid"> The SID of the Binding resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<BindingResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BindingResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchBindingOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -222,10 +223,10 @@ public static ResourceSet<BindingResource> Read(ReadBindingOptions options, ITwi
         /// <param name="options"> Read Binding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<BindingResource>> ReadAsync(ReadBindingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<BindingResource>> ReadAsync(ReadBindingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<BindingResource>.FromJson("bindings", response.Content);
             return new ResourceSet<BindingResource>(page, options, client);
@@ -266,10 +267,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<BindingResource>> Re
                                                                                              List<string> identity = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadBindingOptions(pathServiceSid){ BindingType = bindingType, Identity = identity, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Chat/V2/Service/Channel/InviteResource.cs b/src/Twilio/Rest/Chat/V2/Service/Channel/InviteResource.cs
index f22682476..0368f97fe 100644
--- a/src/Twilio/Rest/Chat/V2/Service/Channel/InviteResource.cs
+++ b/src/Twilio/Rest/Chat/V2/Service/Channel/InviteResource.cs
@@ -70,7 +70,7 @@ public static InviteResource Create(CreateInviteOptions options, ITwilioRestClie
         /// <param name="options"> Create Invite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<InviteResource> CreateAsync(CreateInviteOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InviteResource> CreateAsync(CreateInviteOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildCreateRequest(options, client));
@@ -109,7 +109,7 @@ public static async System.Threading.Tasks.Task<InviteResource> CreateAsync(
                                                                                   string pathChannelSid,
                                                                                   string identity,
                                                                                   string roleSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateInviteOptions(pathServiceSid, pathChannelSid, identity){  RoleSid = roleSid };
             return await CreateAsync(options, client);
@@ -158,7 +158,7 @@ public static bool Delete(DeleteInviteOptions options, ITwilioRestClient client
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
         public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInviteOptions options,
-                                                                        ITwilioRestClient client = null)
+                                                                        ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildDeleteRequest(options, client));
@@ -185,7 +185,7 @@ public static bool Delete(string pathServiceSid, string pathChannelSid, string p
         /// <param name="pathSid"> The SID of the Invite resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteInviteOptions(pathServiceSid, pathChannelSid, pathSid) ;
             return await DeleteAsync(options, client);
@@ -229,7 +229,7 @@ public static InviteResource Fetch(FetchInviteOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Invite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<InviteResource> FetchAsync(FetchInviteOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InviteResource> FetchAsync(FetchInviteOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -259,7 +259,7 @@ public static InviteResource Fetch(
         /// <param name="pathSid"> The SID of the Invite resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<InviteResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InviteResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchInviteOptions(pathServiceSid, pathChannelSid, pathSid){  };
             return await FetchAsync(options, client);
@@ -301,7 +301,7 @@ public static ResourceSet<InviteResource> Read(ReadInviteOptions options, ITwili
         /// <param name="options"> Read Invite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InviteResource>> ReadAsync(ReadInviteOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InviteResource>> ReadAsync(ReadInviteOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -345,7 +345,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<InviteResource>> Rea
                                                                                              List<string> identity = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInviteOptions(pathServiceSid, pathChannelSid){ Identity = identity, PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
diff --git a/src/Twilio/Rest/Chat/V2/Service/Channel/MemberResource.cs b/src/Twilio/Rest/Chat/V2/Service/Channel/MemberResource.cs
index ee5d3861a..ef6304d46 100644
--- a/src/Twilio/Rest/Chat/V2/Service/Channel/MemberResource.cs
+++ b/src/Twilio/Rest/Chat/V2/Service/Channel/MemberResource.cs
@@ -82,7 +82,7 @@ public static MemberResource Create(CreateMemberOptions options, ITwilioRestClie
         /// <param name="options"> Create Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<MemberResource> CreateAsync(CreateMemberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> CreateAsync(CreateMemberOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildCreateRequest(options, client));
@@ -145,7 +145,7 @@ public static async System.Threading.Tasks.Task<MemberResource> CreateAsync(
                                                                                   DateTime? dateUpdated = null,
                                                                                   string attributes = null,
                                                                                   MemberResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateMemberOptions(pathServiceSid, pathChannelSid, identity){  RoleSid = roleSid, LastConsumedMessageIndex = lastConsumedMessageIndex, LastConsumptionTimestamp = lastConsumptionTimestamp, DateCreated = dateCreated, DateUpdated = dateUpdated, Attributes = attributes, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
             return await CreateAsync(options, client);
@@ -194,7 +194,7 @@ public static bool Delete(DeleteMemberOptions options, ITwilioRestClient client
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
         public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMemberOptions options,
-                                                                        ITwilioRestClient client = null)
+                                                                        ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildDeleteRequest(options, client));
@@ -223,7 +223,7 @@ public static bool Delete(string pathServiceSid, string pathChannelSid, string p
         /// <param name="xTwilioWebhookEnabled"> The X-Twilio-Webhook-Enabled HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, MemberResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, MemberResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteMemberOptions(pathServiceSid, pathChannelSid, pathSid)  { XTwilioWebhookEnabled = xTwilioWebhookEnabled };
             return await DeleteAsync(options, client);
@@ -267,7 +267,7 @@ public static MemberResource Fetch(FetchMemberOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(FetchMemberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(FetchMemberOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -297,7 +297,7 @@ public static MemberResource Fetch(
         /// <param name="pathSid"> The SID of the Member resource to fetch. This value can be either the Member's `sid` or its `identity` value. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchMemberOptions(pathServiceSid, pathChannelSid, pathSid){  };
             return await FetchAsync(options, client);
@@ -339,7 +339,7 @@ public static ResourceSet<MemberResource> Read(ReadMemberOptions options, ITwili
         /// <param name="options"> Read Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MemberResource>> ReadAsync(ReadMemberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MemberResource>> ReadAsync(ReadMemberOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -383,7 +383,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<MemberResource>> Rea
                                                                                              List<string> identity = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMemberOptions(pathServiceSid, pathChannelSid){ Identity = identity, PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
@@ -478,7 +478,7 @@ public static MemberResource Update(UpdateMemberOptions options, ITwilioRestClie
         /// <returns> Task that resolves to A single instance of Member </returns>
         #if !NET35
         public static async System.Threading.Tasks.Task<MemberResource> UpdateAsync(UpdateMemberOptions options,
-                                                                                                    ITwilioRestClient client = null)
+                                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildUpdateRequest(options, client));
@@ -541,7 +541,7 @@ public static async System.Threading.Tasks.Task<MemberResource> UpdateAsync(
                                                                               DateTime? dateUpdated = null,
                                                                               string attributes = null,
                                                                               MemberResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateMemberOptions(pathServiceSid, pathChannelSid, pathSid){ RoleSid = roleSid, LastConsumedMessageIndex = lastConsumedMessageIndex, LastConsumptionTimestamp = lastConsumptionTimestamp, DateCreated = dateCreated, DateUpdated = dateUpdated, Attributes = attributes, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
             return await UpdateAsync(options, client);
diff --git a/src/Twilio/Rest/Chat/V2/Service/Channel/MessageResource.cs b/src/Twilio/Rest/Chat/V2/Service/Channel/MessageResource.cs
index aa4c3036f..94ea55b05 100644
--- a/src/Twilio/Rest/Chat/V2/Service/Channel/MessageResource.cs
+++ b/src/Twilio/Rest/Chat/V2/Service/Channel/MessageResource.cs
@@ -94,7 +94,7 @@ public static MessageResource Create(CreateMessageOptions options, ITwilioRestCl
         /// <param name="options"> Create Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(CreateMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(CreateMessageOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildCreateRequest(options, client));
@@ -157,7 +157,7 @@ public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(
                                                                                   string body = null,
                                                                                   string mediaSid = null,
                                                                                   MessageResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateMessageOptions(pathServiceSid, pathChannelSid){  From = from, Attributes = attributes, DateCreated = dateCreated, DateUpdated = dateUpdated, LastUpdatedBy = lastUpdatedBy, Body = body, MediaSid = mediaSid, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
             return await CreateAsync(options, client);
@@ -206,7 +206,7 @@ public static bool Delete(DeleteMessageOptions options, ITwilioRestClient client
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
         public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMessageOptions options,
-                                                                        ITwilioRestClient client = null)
+                                                                        ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildDeleteRequest(options, client));
@@ -235,7 +235,7 @@ public static bool Delete(string pathServiceSid, string pathChannelSid, string p
         /// <param name="xTwilioWebhookEnabled"> The X-Twilio-Webhook-Enabled HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, MessageResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, MessageResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteMessageOptions(pathServiceSid, pathChannelSid, pathSid)  { XTwilioWebhookEnabled = xTwilioWebhookEnabled };
             return await DeleteAsync(options, client);
@@ -279,7 +279,7 @@ public static MessageResource Fetch(FetchMessageOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(FetchMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(FetchMessageOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -309,7 +309,7 @@ public static MessageResource Fetch(
         /// <param name="pathSid"> The SID of the Message resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchMessageOptions(pathServiceSid, pathChannelSid, pathSid){  };
             return await FetchAsync(options, client);
@@ -351,7 +351,7 @@ public static ResourceSet<MessageResource> Read(ReadMessageOptions options, ITwi
         /// <param name="options"> Read Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> ReadAsync(ReadMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> ReadAsync(ReadMessageOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -395,7 +395,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> Re
                                                                                              MessageResource.OrderTypeEnum order = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMessageOptions(pathServiceSid, pathChannelSid){ Order = order, PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
@@ -490,7 +490,7 @@ public static MessageResource Update(UpdateMessageOptions options, ITwilioRestCl
         /// <returns> Task that resolves to A single instance of Message </returns>
         #if !NET35
         public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(UpdateMessageOptions options,
-                                                                                                    ITwilioRestClient client = null)
+                                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildUpdateRequest(options, client));
@@ -553,7 +553,7 @@ public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(
                                                                               string lastUpdatedBy = null,
                                                                               string from = null,
                                                                               MessageResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateMessageOptions(pathServiceSid, pathChannelSid, pathSid){ Body = body, Attributes = attributes, DateCreated = dateCreated, DateUpdated = dateUpdated, LastUpdatedBy = lastUpdatedBy, From = from, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
             return await UpdateAsync(options, client);
diff --git a/src/Twilio/Rest/Chat/V2/Service/Channel/WebhookResource.cs b/src/Twilio/Rest/Chat/V2/Service/Channel/WebhookResource.cs
index 3134f38ad..55115e0d1 100644
--- a/src/Twilio/Rest/Chat/V2/Service/Channel/WebhookResource.cs
+++ b/src/Twilio/Rest/Chat/V2/Service/Channel/WebhookResource.cs
@@ -95,7 +95,7 @@ public static WebhookResource Create(CreateWebhookOptions options, ITwilioRestCl
         /// <param name="options"> Create Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> CreateAsync(CreateWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> CreateAsync(CreateWebhookOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildCreateRequest(options, client));
@@ -154,7 +154,7 @@ public static async System.Threading.Tasks.Task<WebhookResource> CreateAsync(
                                                                                   List<string> configurationTriggers = null,
                                                                                   string configurationFlowSid = null,
                                                                                   int? configurationRetryCount = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateWebhookOptions(pathServiceSid, pathChannelSid, type){  ConfigurationUrl = configurationUrl, ConfigurationMethod = configurationMethod, ConfigurationFilters = configurationFilters, ConfigurationTriggers = configurationTriggers, ConfigurationFlowSid = configurationFlowSid, ConfigurationRetryCount = configurationRetryCount };
             return await CreateAsync(options, client);
@@ -203,7 +203,7 @@ public static bool Delete(DeleteWebhookOptions options, ITwilioRestClient client
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
         public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWebhookOptions options,
-                                                                        ITwilioRestClient client = null)
+                                                                        ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildDeleteRequest(options, client));
@@ -230,7 +230,7 @@ public static bool Delete(string pathServiceSid, string pathChannelSid, string p
         /// <param name="pathSid"> The SID of the Channel Webhook resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteWebhookOptions(pathServiceSid, pathChannelSid, pathSid) ;
             return await DeleteAsync(options, client);
@@ -274,7 +274,7 @@ public static WebhookResource Fetch(FetchWebhookOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(FetchWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(FetchWebhookOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -304,7 +304,7 @@ public static WebhookResource Fetch(
         /// <param name="pathSid"> The SID of the Channel Webhook resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWebhookOptions(pathServiceSid, pathChannelSid, pathSid){  };
             return await FetchAsync(options, client);
@@ -346,7 +346,7 @@ public static ResourceSet<WebhookResource> Read(ReadWebhookOptions options, ITwi
         /// <param name="options"> Read Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<WebhookResource>> ReadAsync(ReadWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<WebhookResource>> ReadAsync(ReadWebhookOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -386,7 +386,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<WebhookResource>> Re
                                                                                              string pathChannelSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadWebhookOptions(pathServiceSid, pathChannelSid){ PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
@@ -481,7 +481,7 @@ public static WebhookResource Update(UpdateWebhookOptions options, ITwilioRestCl
         /// <returns> Task that resolves to A single instance of Webhook </returns>
         #if !NET35
         public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(UpdateWebhookOptions options,
-                                                                                                    ITwilioRestClient client = null)
+                                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildUpdateRequest(options, client));
@@ -540,7 +540,7 @@ public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(
                                                                               List<string> configurationTriggers = null,
                                                                               string configurationFlowSid = null,
                                                                               int? configurationRetryCount = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateWebhookOptions(pathServiceSid, pathChannelSid, pathSid){ ConfigurationUrl = configurationUrl, ConfigurationMethod = configurationMethod, ConfigurationFilters = configurationFilters, ConfigurationTriggers = configurationTriggers, ConfigurationFlowSid = configurationFlowSid, ConfigurationRetryCount = configurationRetryCount };
             return await UpdateAsync(options, client);
diff --git a/src/Twilio/Rest/Chat/V2/Service/ChannelResource.cs b/src/Twilio/Rest/Chat/V2/Service/ChannelResource.cs
index 804cb63f9..9f0fc7f49 100644
--- a/src/Twilio/Rest/Chat/V2/Service/ChannelResource.cs
+++ b/src/Twilio/Rest/Chat/V2/Service/ChannelResource.cs
@@ -93,10 +93,10 @@ public static ChannelResource Create(CreateChannelOptions options, ITwilioRestCl
         /// <param name="options"> Create Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ChannelResource> CreateAsync(CreateChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> CreateAsync(CreateChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -152,10 +152,10 @@ public static async System.Threading.Tasks.Task<ChannelResource> CreateAsync(
                                                                                   DateTime? dateUpdated = null,
                                                                                   string createdBy = null,
                                                                                   ChannelResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateChannelOptions(pathServiceSid){  FriendlyName = friendlyName, UniqueName = uniqueName, Attributes = attributes, Type = type, DateCreated = dateCreated, DateUpdated = dateUpdated, CreatedBy = createdBy, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -198,11 +198,12 @@ public static bool Delete(DeleteChannelOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteChannelOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteChannelOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -226,10 +227,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ChannelResource
         /// <param name="xTwilioWebhookEnabled"> The X-Twilio-Webhook-Enabled HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ChannelResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ChannelResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteChannelOptions(pathServiceSid, pathSid)  { XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -268,10 +269,10 @@ public static ChannelResource Fetch(FetchChannelOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(FetchChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(FetchChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -295,10 +296,10 @@ public static ChannelResource Fetch(
         /// <param name="pathSid"> The SID of the Channel resource to fetch. This value can be either the `sid` or the `unique_name` of the Channel resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchChannelOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -335,10 +336,10 @@ public static ResourceSet<ChannelResource> Read(ReadChannelOptions options, ITwi
         /// <param name="options"> Read Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ChannelResource>> ReadAsync(ReadChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ChannelResource>> ReadAsync(ReadChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ChannelResource>.FromJson("channels", response.Content);
             return new ResourceSet<ChannelResource>(page, options, client);
@@ -375,10 +376,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ChannelResource>> Re
                                                                                              List<ChannelResource.ChannelTypeEnum> type = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadChannelOptions(pathServiceSid){ Type = type, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -467,11 +468,12 @@ public static ChannelResource Update(UpdateChannelOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ChannelResource> UpdateAsync(UpdateChannelOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> UpdateAsync(UpdateChannelOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -527,10 +529,10 @@ public static async System.Threading.Tasks.Task<ChannelResource> UpdateAsync(
                                                                               DateTime? dateUpdated = null,
                                                                               string createdBy = null,
                                                                               ChannelResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateChannelOptions(pathServiceSid, pathSid){ FriendlyName = friendlyName, UniqueName = uniqueName, Attributes = attributes, DateCreated = dateCreated, DateUpdated = dateUpdated, CreatedBy = createdBy, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Chat/V2/Service/RoleResource.cs b/src/Twilio/Rest/Chat/V2/Service/RoleResource.cs
index 0748b396e..c03eed69f 100644
--- a/src/Twilio/Rest/Chat/V2/Service/RoleResource.cs
+++ b/src/Twilio/Rest/Chat/V2/Service/RoleResource.cs
@@ -81,7 +81,7 @@ public static RoleResource Create(CreateRoleOptions options, ITwilioRestClient c
         /// <param name="options"> Create Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(CreateRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(CreateRoleOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildCreateRequest(options, client));
@@ -120,7 +120,7 @@ public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(
                                                                                   string friendlyName,
                                                                                   RoleResource.RoleTypeEnum type,
                                                                                   List<string> permission,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateRoleOptions(pathServiceSid, friendlyName, type, permission){  };
             return await CreateAsync(options, client);
@@ -167,7 +167,7 @@ public static bool Delete(DeleteRoleOptions options, ITwilioRestClient client =
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
         public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRoleOptions options,
-                                                                        ITwilioRestClient client = null)
+                                                                        ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildDeleteRequest(options, client));
@@ -192,7 +192,7 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The SID of the Role resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteRoleOptions(pathServiceSid, pathSid) ;
             return await DeleteAsync(options, client);
@@ -234,7 +234,7 @@ public static RoleResource Fetch(FetchRoleOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(FetchRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(FetchRoleOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -261,7 +261,7 @@ public static RoleResource Fetch(
         /// <param name="pathSid"> The SID of the Role resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRoleOptions(pathServiceSid, pathSid){  };
             return await FetchAsync(options, client);
@@ -301,7 +301,7 @@ public static ResourceSet<RoleResource> Read(ReadRoleOptions options, ITwilioRes
         /// <param name="options"> Read Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadAsync(ReadRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadAsync(ReadRoleOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -337,7 +337,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadA
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRoleOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
@@ -430,7 +430,7 @@ public static RoleResource Update(UpdateRoleOptions options, ITwilioRestClient c
         /// <returns> Task that resolves to A single instance of Role </returns>
         #if !NET35
         public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(UpdateRoleOptions options,
-                                                                                                    ITwilioRestClient client = null)
+                                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildUpdateRequest(options, client));
@@ -465,7 +465,7 @@ public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(
                                                                               string pathServiceSid,
                                                                               string pathSid,
                                                                               List<string> permission,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateRoleOptions(pathServiceSid, pathSid, permission){  };
             return await UpdateAsync(options, client);
diff --git a/src/Twilio/Rest/Chat/V2/Service/User/UserBindingResource.cs b/src/Twilio/Rest/Chat/V2/Service/User/UserBindingResource.cs
index a274b9850..b250ebd61 100644
--- a/src/Twilio/Rest/Chat/V2/Service/User/UserBindingResource.cs
+++ b/src/Twilio/Rest/Chat/V2/Service/User/UserBindingResource.cs
@@ -90,7 +90,7 @@ public static bool Delete(DeleteUserBindingOptions options, ITwilioRestClient cl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserBinding </returns>
         public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserBindingOptions options,
-                                                                        ITwilioRestClient client = null)
+                                                                        ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildDeleteRequest(options, client));
@@ -117,7 +117,7 @@ public static bool Delete(string pathServiceSid, string pathUserSid, string path
         /// <param name="pathSid"> The SID of the User Binding resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserBinding </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathUserSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathUserSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteUserBindingOptions(pathServiceSid, pathUserSid, pathSid) ;
             return await DeleteAsync(options, client);
@@ -161,7 +161,7 @@ public static UserBindingResource Fetch(FetchUserBindingOptions options, ITwilio
         /// <param name="options"> Fetch UserBinding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserBinding </returns>
-        public static async System.Threading.Tasks.Task<UserBindingResource> FetchAsync(FetchUserBindingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserBindingResource> FetchAsync(FetchUserBindingOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -191,7 +191,7 @@ public static UserBindingResource Fetch(
         /// <param name="pathSid"> The SID of the User Binding resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserBinding </returns>
-        public static async System.Threading.Tasks.Task<UserBindingResource> FetchAsync(string pathServiceSid, string pathUserSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserBindingResource> FetchAsync(string pathServiceSid, string pathUserSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUserBindingOptions(pathServiceSid, pathUserSid, pathSid){  };
             return await FetchAsync(options, client);
@@ -233,7 +233,7 @@ public static ResourceSet<UserBindingResource> Read(ReadUserBindingOptions optio
         /// <param name="options"> Read UserBinding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserBinding </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UserBindingResource>> ReadAsync(ReadUserBindingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UserBindingResource>> ReadAsync(ReadUserBindingOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -277,7 +277,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<UserBindingResource>
                                                                                              List<UserBindingResource.BindingTypeEnum> bindingType = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUserBindingOptions(pathServiceSid, pathUserSid){ BindingType = bindingType, PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
diff --git a/src/Twilio/Rest/Chat/V2/Service/User/UserChannelResource.cs b/src/Twilio/Rest/Chat/V2/Service/User/UserChannelResource.cs
index ed4a2448f..6d1814f92 100644
--- a/src/Twilio/Rest/Chat/V2/Service/User/UserChannelResource.cs
+++ b/src/Twilio/Rest/Chat/V2/Service/User/UserChannelResource.cs
@@ -115,7 +115,7 @@ public static bool Delete(DeleteUserChannelOptions options, ITwilioRestClient cl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserChannel </returns>
         public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserChannelOptions options,
-                                                                        ITwilioRestClient client = null)
+                                                                        ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildDeleteRequest(options, client));
@@ -144,7 +144,7 @@ public static bool Delete(string pathServiceSid, string pathUserSid, string path
         /// <param name="xTwilioWebhookEnabled"> The X-Twilio-Webhook-Enabled HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserChannel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathUserSid, string pathChannelSid, UserChannelResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathUserSid, string pathChannelSid, UserChannelResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteUserChannelOptions(pathServiceSid, pathUserSid, pathChannelSid)  { XTwilioWebhookEnabled = xTwilioWebhookEnabled };
             return await DeleteAsync(options, client);
@@ -188,7 +188,7 @@ public static UserChannelResource Fetch(FetchUserChannelOptions options, ITwilio
         /// <param name="options"> Fetch UserChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserChannel </returns>
-        public static async System.Threading.Tasks.Task<UserChannelResource> FetchAsync(FetchUserChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserChannelResource> FetchAsync(FetchUserChannelOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -218,7 +218,7 @@ public static UserChannelResource Fetch(
         /// <param name="pathChannelSid"> The SID of the [Channel](https://www.twilio.com/docs/chat/channels) that has the User Channel to fetch. This value can be either the `sid` or the `unique_name` of the Channel to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserChannel </returns>
-        public static async System.Threading.Tasks.Task<UserChannelResource> FetchAsync(string pathServiceSid, string pathUserSid, string pathChannelSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserChannelResource> FetchAsync(string pathServiceSid, string pathUserSid, string pathChannelSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUserChannelOptions(pathServiceSid, pathUserSid, pathChannelSid){  };
             return await FetchAsync(options, client);
@@ -260,7 +260,7 @@ public static ResourceSet<UserChannelResource> Read(ReadUserChannelOptions optio
         /// <param name="options"> Read UserChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserChannel </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UserChannelResource>> ReadAsync(ReadUserChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UserChannelResource>> ReadAsync(ReadUserChannelOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -300,7 +300,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<UserChannelResource>
                                                                                              string pathUserSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUserChannelOptions(pathServiceSid, pathUserSid){ PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
@@ -395,7 +395,7 @@ public static UserChannelResource Update(UpdateUserChannelOptions options, ITwil
         /// <returns> Task that resolves to A single instance of UserChannel </returns>
         #if !NET35
         public static async System.Threading.Tasks.Task<UserChannelResource> UpdateAsync(UpdateUserChannelOptions options,
-                                                                                                    ITwilioRestClient client = null)
+                                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildUpdateRequest(options, client));
@@ -442,7 +442,7 @@ public static async System.Threading.Tasks.Task<UserChannelResource> UpdateAsync
                                                                               UserChannelResource.NotificationLevelEnum notificationLevel = null,
                                                                               int? lastConsumedMessageIndex = null,
                                                                               DateTime? lastConsumptionTimestamp = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateUserChannelOptions(pathServiceSid, pathUserSid, pathChannelSid){ NotificationLevel = notificationLevel, LastConsumedMessageIndex = lastConsumedMessageIndex, LastConsumptionTimestamp = lastConsumptionTimestamp };
             return await UpdateAsync(options, client);
diff --git a/src/Twilio/Rest/Chat/V2/Service/UserResource.cs b/src/Twilio/Rest/Chat/V2/Service/UserResource.cs
index 65f84bcac..06d7af1bd 100644
--- a/src/Twilio/Rest/Chat/V2/Service/UserResource.cs
+++ b/src/Twilio/Rest/Chat/V2/Service/UserResource.cs
@@ -80,7 +80,7 @@ public static UserResource Create(CreateUserOptions options, ITwilioRestClient c
         /// <param name="options"> Create User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> CreateAsync(CreateUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> CreateAsync(CreateUserOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildCreateRequest(options, client));
@@ -127,7 +127,7 @@ public static async System.Threading.Tasks.Task<UserResource> CreateAsync(
                                                                                   string attributes = null,
                                                                                   string friendlyName = null,
                                                                                   UserResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateUserOptions(pathServiceSid, identity){  RoleSid = roleSid, Attributes = attributes, FriendlyName = friendlyName, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
             return await CreateAsync(options, client);
@@ -174,7 +174,7 @@ public static bool Delete(DeleteUserOptions options, ITwilioRestClient client =
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
         public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserOptions options,
-                                                                        ITwilioRestClient client = null)
+                                                                        ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildDeleteRequest(options, client));
@@ -199,7 +199,7 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The SID of the User resource to delete. This value can be either the `sid` or the `identity` of the User resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteUserOptions(pathServiceSid, pathSid) ;
             return await DeleteAsync(options, client);
@@ -241,7 +241,7 @@ public static UserResource Fetch(FetchUserOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(FetchUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(FetchUserOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildFetchRequest(options, client));
@@ -268,7 +268,7 @@ public static UserResource Fetch(
         /// <param name="pathSid"> The SID of the User resource to fetch. This value can be either the `sid` or the `identity` of the User resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUserOptions(pathServiceSid, pathSid){  };
             return await FetchAsync(options, client);
@@ -308,7 +308,7 @@ public static ResourceSet<UserResource> Read(ReadUserOptions options, ITwilioRes
         /// <param name="options"> Read User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadAsync(ReadUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadAsync(ReadUserOptions options, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildReadRequest(options, client));
@@ -344,7 +344,7 @@ public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadA
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUserOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
             return await ReadAsync(options, client);
@@ -437,7 +437,7 @@ public static UserResource Update(UpdateUserOptions options, ITwilioRestClient c
         /// <returns> Task that resolves to A single instance of User </returns>
         #if !NET35
         public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(UpdateUserOptions options,
-                                                                                                    ITwilioRestClient client = null)
+                                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildUpdateRequest(options, client));
@@ -484,7 +484,7 @@ public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(
                                                                               string attributes = null,
                                                                               string friendlyName = null,
                                                                               UserResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateUserOptions(pathServiceSid, pathSid){ RoleSid = roleSid, Attributes = attributes, FriendlyName = friendlyName, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
             return await UpdateAsync(options, client);
diff --git a/src/Twilio/Rest/Chat/V2/ServiceResource.cs b/src/Twilio/Rest/Chat/V2/ServiceResource.cs
index de1cd07f8..9757bb1d4 100644
--- a/src/Twilio/Rest/Chat/V2/ServiceResource.cs
+++ b/src/Twilio/Rest/Chat/V2/ServiceResource.cs
@@ -66,10 +66,10 @@ public static ServiceResource Create(CreateServiceOptions options, ITwilioRestCl
         /// <param name="options"> Create Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -93,10 +93,10 @@ public static ServiceResource Create(
         /// <returns> Task that resolves to A single instance of Service </returns>
         public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(
                                                                                   string friendlyName,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateServiceOptions(friendlyName){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -137,11 +137,12 @@ public static bool Delete(DeleteServiceOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -161,10 +162,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the Service resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteServiceOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -201,10 +202,10 @@ public static ServiceResource Fetch(FetchServiceOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -225,10 +226,10 @@ public static ServiceResource Fetch(
         /// <param name="pathSid"> The SID of the Service resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchServiceOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -263,10 +264,10 @@ public static ResourceSet<ServiceResource> Read(ReadServiceOptions options, ITwi
         /// <param name="options"> Read Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ServiceResource>.FromJson("services", response.Content);
             return new ResourceSet<ServiceResource>(page, options, client);
@@ -295,10 +296,10 @@ public static ResourceSet<ServiceResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadServiceOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -385,11 +386,12 @@ public static ServiceResource Update(UpdateServiceOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -537,10 +539,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(
                                                                               int? preWebhookRetryCount = null,
                                                                               int? postWebhookRetryCount = null,
                                                                               bool? notificationsLogEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateServiceOptions(pathSid){ FriendlyName = friendlyName, DefaultServiceRoleSid = defaultServiceRoleSid, DefaultChannelRoleSid = defaultChannelRoleSid, DefaultChannelCreatorRoleSid = defaultChannelCreatorRoleSid, ReadStatusEnabled = readStatusEnabled, ReachabilityEnabled = reachabilityEnabled, TypingIndicatorTimeout = typingIndicatorTimeout, ConsumptionReportInterval = consumptionReportInterval, NotificationsNewMessageEnabled = notificationsNewMessageEnabled, NotificationsNewMessageTemplate = notificationsNewMessageTemplate, NotificationsNewMessageSound = notificationsNewMessageSound, NotificationsNewMessageBadgeCountEnabled = notificationsNewMessageBadgeCountEnabled, NotificationsAddedToChannelEnabled = notificationsAddedToChannelEnabled, NotificationsAddedToChannelTemplate = notificationsAddedToChannelTemplate, NotificationsAddedToChannelSound = notificationsAddedToChannelSound, NotificationsRemovedFromChannelEnabled = notificationsRemovedFromChannelEnabled, NotificationsRemovedFromChannelTemplate = notificationsRemovedFromChannelTemplate, NotificationsRemovedFromChannelSound = notificationsRemovedFromChannelSound, NotificationsInvitedToChannelEnabled = notificationsInvitedToChannelEnabled, NotificationsInvitedToChannelTemplate = notificationsInvitedToChannelTemplate, NotificationsInvitedToChannelSound = notificationsInvitedToChannelSound, PreWebhookUrl = preWebhookUrl, PostWebhookUrl = postWebhookUrl, WebhookMethod = webhookMethod, WebhookFilters = webhookFilters, LimitsChannelMembers = limitsChannelMembers, LimitsUserChannels = limitsUserChannels, MediaCompatibilityMessage = mediaCompatibilityMessage, PreWebhookRetryCount = preWebhookRetryCount, PostWebhookRetryCount = postWebhookRetryCount, NotificationsLogEnabled = notificationsLogEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Chat/V3/ChannelResource.cs b/src/Twilio/Rest/Chat/V3/ChannelResource.cs
index 11d1617ed..719497e8f 100644
--- a/src/Twilio/Rest/Chat/V3/ChannelResource.cs
+++ b/src/Twilio/Rest/Chat/V3/ChannelResource.cs
@@ -96,7 +96,7 @@ public static ChannelResource Update(UpdateChannelOptions options, ITwilioRestCl
         /// <returns> Task that resolves to A single instance of Channel </returns>
         #if !NET35
         public static async System.Threading.Tasks.Task<ChannelResource> UpdateAsync(UpdateChannelOptions options,
-                                                                                                    ITwilioRestClient client = null)
+                                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
             var response = await client.RequestAsync(BuildUpdateRequest(options, client));
@@ -139,7 +139,7 @@ public static async System.Threading.Tasks.Task<ChannelResource> UpdateAsync(
                                                                               ChannelResource.ChannelTypeEnum type = null,
                                                                               string messagingServiceSid = null,
                                                                               ChannelResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateChannelOptions(pathServiceSid, pathSid){ Type = type, MessagingServiceSid = messagingServiceSid, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
             return await UpdateAsync(options, client);
diff --git a/src/Twilio/Rest/Content/V1/Content/ApprovalCreateResource.cs b/src/Twilio/Rest/Content/V1/Content/ApprovalCreateResource.cs
index 27ed6670e..ad0872502 100644
--- a/src/Twilio/Rest/Content/V1/Content/ApprovalCreateResource.cs
+++ b/src/Twilio/Rest/Content/V1/Content/ApprovalCreateResource.cs
@@ -98,10 +98,10 @@ public static ApprovalCreateResource Create(CreateApprovalCreateOptions options,
         /// <param name="options"> Create ApprovalCreate parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ApprovalCreate </returns>
-        public static async System.Threading.Tasks.Task<ApprovalCreateResource> CreateAsync(CreateApprovalCreateOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ApprovalCreateResource> CreateAsync(CreateApprovalCreateOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -129,10 +129,10 @@ public static ApprovalCreateResource Create(
         public static async System.Threading.Tasks.Task<ApprovalCreateResource> CreateAsync(
                                                                                   string pathContentSid,
                                                                                   ApprovalCreateResource.ContentApprovalRequest contentApprovalRequest,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateApprovalCreateOptions(pathContentSid, contentApprovalRequest){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Content/V1/Content/ApprovalFetchResource.cs b/src/Twilio/Rest/Content/V1/Content/ApprovalFetchResource.cs
index 0ceb1b5b5..d317d8e4d 100644
--- a/src/Twilio/Rest/Content/V1/Content/ApprovalFetchResource.cs
+++ b/src/Twilio/Rest/Content/V1/Content/ApprovalFetchResource.cs
@@ -67,10 +67,10 @@ public static ApprovalFetchResource Fetch(FetchApprovalFetchOptions options, ITw
         /// <param name="options"> Fetch ApprovalFetch parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ApprovalFetch </returns>
-        public static async System.Threading.Tasks.Task<ApprovalFetchResource> FetchAsync(FetchApprovalFetchOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ApprovalFetchResource> FetchAsync(FetchApprovalFetchOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static ApprovalFetchResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Content resource whose approval information to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ApprovalFetch </returns>
-        public static async System.Threading.Tasks.Task<ApprovalFetchResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ApprovalFetchResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchApprovalFetchOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Content/V1/ContentAndApprovalsResource.cs b/src/Twilio/Rest/Content/V1/ContentAndApprovalsResource.cs
index 797600c3a..9660add5b 100644
--- a/src/Twilio/Rest/Content/V1/ContentAndApprovalsResource.cs
+++ b/src/Twilio/Rest/Content/V1/ContentAndApprovalsResource.cs
@@ -65,10 +65,10 @@ public static ResourceSet<ContentAndApprovalsResource> Read(ReadContentAndApprov
         /// <param name="options"> Read ContentAndApprovals parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ContentAndApprovals </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ContentAndApprovalsResource>> ReadAsync(ReadContentAndApprovalsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ContentAndApprovalsResource>> ReadAsync(ReadContentAndApprovalsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ContentAndApprovalsResource>.FromJson("contents", response.Content);
             return new ResourceSet<ContentAndApprovalsResource>(page, options, client);
@@ -97,10 +97,10 @@ public static ResourceSet<ContentAndApprovalsResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ContentAndApprovalsResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadContentAndApprovalsOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Content/V1/ContentResource.cs b/src/Twilio/Rest/Content/V1/ContentResource.cs
index 17af37b95..434ea82fa 100644
--- a/src/Twilio/Rest/Content/V1/ContentResource.cs
+++ b/src/Twilio/Rest/Content/V1/ContentResource.cs
@@ -1174,10 +1174,10 @@ public static ContentResource Create(CreateContentOptions options, ITwilioRestCl
         /// <param name="options"> Create Content parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Content </returns>
-        public static async System.Threading.Tasks.Task<ContentResource> CreateAsync(CreateContentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ContentResource> CreateAsync(CreateContentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -1201,10 +1201,10 @@ public static ContentResource Create(
         /// <returns> Task that resolves to A single instance of Content </returns>
         public static async System.Threading.Tasks.Task<ContentResource> CreateAsync(
                                                                                   ContentResource.ContentCreateRequest contentCreateRequest,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateContentOptions(contentCreateRequest){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -1245,11 +1245,12 @@ public static bool Delete(DeleteContentOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Content parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Content </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteContentOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteContentOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -1269,10 +1270,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Content resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Content </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteContentOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -1309,10 +1310,10 @@ public static ContentResource Fetch(FetchContentOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Content parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Content </returns>
-        public static async System.Threading.Tasks.Task<ContentResource> FetchAsync(FetchContentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ContentResource> FetchAsync(FetchContentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -1333,10 +1334,10 @@ public static ContentResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Content resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Content </returns>
-        public static async System.Threading.Tasks.Task<ContentResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ContentResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchContentOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -1371,10 +1372,10 @@ public static ResourceSet<ContentResource> Read(ReadContentOptions options, ITwi
         /// <param name="options"> Read Content parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Content </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ContentResource>> ReadAsync(ReadContentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ContentResource>> ReadAsync(ReadContentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ContentResource>.FromJson("contents", response.Content);
             return new ResourceSet<ContentResource>(page, options, client);
@@ -1403,10 +1404,10 @@ public static ResourceSet<ContentResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ContentResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadContentOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Content/V1/LegacyContentResource.cs b/src/Twilio/Rest/Content/V1/LegacyContentResource.cs
index c1339842c..ede0e7fd4 100644
--- a/src/Twilio/Rest/Content/V1/LegacyContentResource.cs
+++ b/src/Twilio/Rest/Content/V1/LegacyContentResource.cs
@@ -65,10 +65,10 @@ public static ResourceSet<LegacyContentResource> Read(ReadLegacyContentOptions o
         /// <param name="options"> Read LegacyContent parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of LegacyContent </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<LegacyContentResource>> ReadAsync(ReadLegacyContentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<LegacyContentResource>> ReadAsync(ReadLegacyContentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<LegacyContentResource>.FromJson("contents", response.Content);
             return new ResourceSet<LegacyContentResource>(page, options, client);
@@ -97,10 +97,10 @@ public static ResourceSet<LegacyContentResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<LegacyContentResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadLegacyContentOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Content/V2/ContentAndApprovalsResource.cs b/src/Twilio/Rest/Content/V2/ContentAndApprovalsResource.cs
index d261b4794..0f7b8f1c1 100644
--- a/src/Twilio/Rest/Content/V2/ContentAndApprovalsResource.cs
+++ b/src/Twilio/Rest/Content/V2/ContentAndApprovalsResource.cs
@@ -65,10 +65,10 @@ public static ResourceSet<ContentAndApprovalsResource> Read(ReadContentAndApprov
         /// <param name="options"> Read ContentAndApprovals parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ContentAndApprovals </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ContentAndApprovalsResource>> ReadAsync(ReadContentAndApprovalsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ContentAndApprovalsResource>> ReadAsync(ReadContentAndApprovalsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ContentAndApprovalsResource>.FromJson("contents", response.Content);
             return new ResourceSet<ContentAndApprovalsResource>(page, options, client);
@@ -133,10 +133,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ContentAndApprovalsR
                                                                                              List<string> contentType = null,
                                                                                              List<string> channelEligibility = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadContentAndApprovalsOptions(){ PageSize = pageSize, SortByDate = sortByDate, SortByContentName = sortByContentName, DateCreatedAfter = dateCreatedAfter, DateCreatedBefore = dateCreatedBefore, ContentName = contentName, Content = content, Language = language, ContentType = contentType, ChannelEligibility = channelEligibility, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Content/V2/ContentResource.cs b/src/Twilio/Rest/Content/V2/ContentResource.cs
index 03337567c..595152fa6 100644
--- a/src/Twilio/Rest/Content/V2/ContentResource.cs
+++ b/src/Twilio/Rest/Content/V2/ContentResource.cs
@@ -65,10 +65,10 @@ public static ResourceSet<ContentResource> Read(ReadContentOptions options, ITwi
         /// <param name="options"> Read Content parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Content </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ContentResource>> ReadAsync(ReadContentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ContentResource>> ReadAsync(ReadContentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ContentResource>.FromJson("contents", response.Content);
             return new ResourceSet<ContentResource>(page, options, client);
@@ -133,10 +133,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ContentResource>> Re
                                                                                              List<string> contentType = null,
                                                                                              List<string> channelEligibility = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadContentOptions(){ PageSize = pageSize, SortByDate = sortByDate, SortByContentName = sortByContentName, DateCreatedAfter = dateCreatedAfter, DateCreatedBefore = dateCreatedBefore, ContentName = contentName, Content = content, Language = language, ContentType = contentType, ChannelEligibility = channelEligibility, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Conversations/V1/AddressConfigurationResource.cs b/src/Twilio/Rest/Conversations/V1/AddressConfigurationResource.cs
index b41409794..f794c1092 100644
--- a/src/Twilio/Rest/Conversations/V1/AddressConfigurationResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/AddressConfigurationResource.cs
@@ -107,10 +107,10 @@ public static AddressConfigurationResource Create(CreateAddressConfigurationOpti
         /// <param name="options"> Create AddressConfiguration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AddressConfiguration </returns>
-        public static async System.Threading.Tasks.Task<AddressConfigurationResource> CreateAsync(CreateAddressConfigurationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AddressConfigurationResource> CreateAsync(CreateAddressConfigurationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -178,10 +178,10 @@ public static async System.Threading.Tasks.Task<AddressConfigurationResource> Cr
                                                                                   string autoCreationStudioFlowSid = null,
                                                                                   int? autoCreationStudioRetryCount = null,
                                                                                   string addressCountry = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAddressConfigurationOptions(type, address){  FriendlyName = friendlyName, AutoCreationEnabled = autoCreationEnabled, AutoCreationType = autoCreationType, AutoCreationConversationServiceSid = autoCreationConversationServiceSid, AutoCreationWebhookUrl = autoCreationWebhookUrl, AutoCreationWebhookMethod = autoCreationWebhookMethod, AutoCreationWebhookFilters = autoCreationWebhookFilters, AutoCreationStudioFlowSid = autoCreationStudioFlowSid, AutoCreationStudioRetryCount = autoCreationStudioRetryCount, AddressCountry = addressCountry };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -222,11 +222,12 @@ public static bool Delete(DeleteAddressConfigurationOptions options, ITwilioRest
         /// <param name="options"> Delete AddressConfiguration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AddressConfiguration </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAddressConfigurationOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAddressConfigurationOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -246,10 +247,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the Address Configuration resource. This value can be either the `sid` or the `address` of the configuration </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AddressConfiguration </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAddressConfigurationOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -286,10 +287,10 @@ public static AddressConfigurationResource Fetch(FetchAddressConfigurationOption
         /// <param name="options"> Fetch AddressConfiguration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AddressConfiguration </returns>
-        public static async System.Threading.Tasks.Task<AddressConfigurationResource> FetchAsync(FetchAddressConfigurationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AddressConfigurationResource> FetchAsync(FetchAddressConfigurationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -310,10 +311,10 @@ public static AddressConfigurationResource Fetch(
         /// <param name="pathSid"> The SID of the Address Configuration resource. This value can be either the `sid` or the `address` of the configuration </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AddressConfiguration </returns>
-        public static async System.Threading.Tasks.Task<AddressConfigurationResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AddressConfigurationResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAddressConfigurationOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -348,10 +349,10 @@ public static ResourceSet<AddressConfigurationResource> Read(ReadAddressConfigur
         /// <param name="options"> Read AddressConfiguration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AddressConfiguration </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AddressConfigurationResource>> ReadAsync(ReadAddressConfigurationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AddressConfigurationResource>> ReadAsync(ReadAddressConfigurationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AddressConfigurationResource>.FromJson("address_configurations", response.Content);
             return new ResourceSet<AddressConfigurationResource>(page, options, client);
@@ -384,10 +385,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AddressConfiguration
                                                                                              string type = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAddressConfigurationOptions(){ Type = type, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -474,11 +475,12 @@ public static AddressConfigurationResource Update(UpdateAddressConfigurationOpti
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AddressConfiguration </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<AddressConfigurationResource> UpdateAsync(UpdateAddressConfigurationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AddressConfigurationResource> UpdateAsync(UpdateAddressConfigurationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -538,10 +540,10 @@ public static async System.Threading.Tasks.Task<AddressConfigurationResource> Up
                                                                               List<string> autoCreationWebhookFilters = null,
                                                                               string autoCreationStudioFlowSid = null,
                                                                               int? autoCreationStudioRetryCount = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateAddressConfigurationOptions(pathSid){ FriendlyName = friendlyName, AutoCreationEnabled = autoCreationEnabled, AutoCreationType = autoCreationType, AutoCreationConversationServiceSid = autoCreationConversationServiceSid, AutoCreationWebhookUrl = autoCreationWebhookUrl, AutoCreationWebhookMethod = autoCreationWebhookMethod, AutoCreationWebhookFilters = autoCreationWebhookFilters, AutoCreationStudioFlowSid = autoCreationStudioFlowSid, AutoCreationStudioRetryCount = autoCreationStudioRetryCount };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/Configuration/WebhookResource.cs b/src/Twilio/Rest/Conversations/V1/Configuration/WebhookResource.cs
index 0673195ce..41ca9914c 100644
--- a/src/Twilio/Rest/Conversations/V1/Configuration/WebhookResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Configuration/WebhookResource.cs
@@ -91,10 +91,10 @@ public static WebhookResource Fetch(FetchWebhookOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(FetchWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(FetchWebhookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -112,10 +112,10 @@ public static WebhookResource Fetch(
         /// <summary> fetch </summary>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWebhookOptions(){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -151,11 +151,12 @@ public static WebhookResource Update(UpdateWebhookOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(UpdateWebhookOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(UpdateWebhookOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -195,10 +196,10 @@ public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(
                                                                               string preWebhookUrl = null,
                                                                               string postWebhookUrl = null,
                                                                               WebhookResource.TargetEnum target = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateWebhookOptions(){ Method = method, Filters = filters, PreWebhookUrl = preWebhookUrl, PostWebhookUrl = postWebhookUrl, Target = target };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/ConfigurationResource.cs b/src/Twilio/Rest/Conversations/V1/ConfigurationResource.cs
index 0aee08883..fd6c76fcc 100644
--- a/src/Twilio/Rest/Conversations/V1/ConfigurationResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/ConfigurationResource.cs
@@ -65,10 +65,10 @@ public static ConfigurationResource Fetch(FetchConfigurationOptions options, ITw
         /// <param name="options"> Fetch Configuration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Configuration </returns>
-        public static async System.Threading.Tasks.Task<ConfigurationResource> FetchAsync(FetchConfigurationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConfigurationResource> FetchAsync(FetchConfigurationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -86,10 +86,10 @@ public static ConfigurationResource Fetch(
         /// <summary> Fetch the global configuration of conversations on your account </summary>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Configuration </returns>
-        public static async System.Threading.Tasks.Task<ConfigurationResource> FetchAsync(ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConfigurationResource> FetchAsync(ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchConfigurationOptions(){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -125,11 +125,12 @@ public static ConfigurationResource Update(UpdateConfigurationOptions options, I
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Configuration </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ConfigurationResource> UpdateAsync(UpdateConfigurationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConfigurationResource> UpdateAsync(UpdateConfigurationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -165,10 +166,10 @@ public static async System.Threading.Tasks.Task<ConfigurationResource> UpdateAsy
                                                                               string defaultMessagingServiceSid = null,
                                                                               string defaultInactiveTimer = null,
                                                                               string defaultClosedTimer = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateConfigurationOptions(){ DefaultChatServiceSid = defaultChatServiceSid, DefaultMessagingServiceSid = defaultMessagingServiceSid, DefaultInactiveTimer = defaultInactiveTimer, DefaultClosedTimer = defaultClosedTimer };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/Conversation/Message/DeliveryReceiptResource.cs b/src/Twilio/Rest/Conversations/V1/Conversation/Message/DeliveryReceiptResource.cs
index 3b1240a88..7bfe776b5 100644
--- a/src/Twilio/Rest/Conversations/V1/Conversation/Message/DeliveryReceiptResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Conversation/Message/DeliveryReceiptResource.cs
@@ -87,10 +87,10 @@ public static DeliveryReceiptResource Fetch(FetchDeliveryReceiptOptions options,
         /// <param name="options"> Fetch DeliveryReceipt parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeliveryReceipt </returns>
-        public static async System.Threading.Tasks.Task<DeliveryReceiptResource> FetchAsync(FetchDeliveryReceiptOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeliveryReceiptResource> FetchAsync(FetchDeliveryReceiptOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -117,10 +117,10 @@ public static DeliveryReceiptResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeliveryReceipt </returns>
-        public static async System.Threading.Tasks.Task<DeliveryReceiptResource> FetchAsync(string pathConversationSid, string pathMessageSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeliveryReceiptResource> FetchAsync(string pathConversationSid, string pathMessageSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDeliveryReceiptOptions(pathConversationSid, pathMessageSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -159,10 +159,10 @@ public static ResourceSet<DeliveryReceiptResource> Read(ReadDeliveryReceiptOptio
         /// <param name="options"> Read DeliveryReceipt parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeliveryReceipt </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DeliveryReceiptResource>> ReadAsync(ReadDeliveryReceiptOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DeliveryReceiptResource>> ReadAsync(ReadDeliveryReceiptOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<DeliveryReceiptResource>.FromJson("delivery_receipts", response.Content);
             return new ResourceSet<DeliveryReceiptResource>(page, options, client);
@@ -199,10 +199,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<DeliveryReceiptResou
                                                                                              string pathMessageSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDeliveryReceiptOptions(pathConversationSid, pathMessageSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Conversations/V1/Conversation/MessageResource.cs b/src/Twilio/Rest/Conversations/V1/Conversation/MessageResource.cs
index 8bb736db6..a1593eb8d 100644
--- a/src/Twilio/Rest/Conversations/V1/Conversation/MessageResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Conversation/MessageResource.cs
@@ -92,10 +92,10 @@ public static MessageResource Create(CreateMessageOptions options, ITwilioRestCl
         /// <param name="options"> Create Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(CreateMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(CreateMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -159,10 +159,10 @@ public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(
                                                                                   string contentVariables = null,
                                                                                   string subject = null,
                                                                                   MessageResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateMessageOptions(pathConversationSid){  Author = author, Body = body, DateCreated = dateCreated, DateUpdated = dateUpdated, Attributes = attributes, MediaSid = mediaSid, ContentSid = contentSid, ContentVariables = contentVariables, Subject = subject, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -205,11 +205,12 @@ public static bool Delete(DeleteMessageOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMessageOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMessageOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -233,10 +234,10 @@ public static bool Delete(string pathConversationSid, string pathSid, MessageRes
         /// <param name="xTwilioWebhookEnabled"> The X-Twilio-Webhook-Enabled HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathConversationSid, string pathSid, MessageResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathConversationSid, string pathSid, MessageResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteMessageOptions(pathConversationSid, pathSid)  { XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -275,10 +276,10 @@ public static MessageResource Fetch(FetchMessageOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(FetchMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(FetchMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -302,10 +303,10 @@ public static MessageResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(string pathConversationSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(string pathConversationSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchMessageOptions(pathConversationSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -342,10 +343,10 @@ public static ResourceSet<MessageResource> Read(ReadMessageOptions options, ITwi
         /// <param name="options"> Read Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> ReadAsync(ReadMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> ReadAsync(ReadMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MessageResource>.FromJson("messages", response.Content);
             return new ResourceSet<MessageResource>(page, options, client);
@@ -382,10 +383,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> Re
                                                                                              MessageResource.OrderTypeEnum order = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMessageOptions(pathConversationSid){ Order = order, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -474,11 +475,12 @@ public static MessageResource Update(UpdateMessageOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(UpdateMessageOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(UpdateMessageOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -534,10 +536,10 @@ public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(
                                                                               string attributes = null,
                                                                               string subject = null,
                                                                               MessageResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateMessageOptions(pathConversationSid, pathSid){ Author = author, Body = body, DateCreated = dateCreated, DateUpdated = dateUpdated, Attributes = attributes, Subject = subject, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/Conversation/ParticipantResource.cs b/src/Twilio/Rest/Conversations/V1/Conversation/ParticipantResource.cs
index 16a05c8ab..643890962 100644
--- a/src/Twilio/Rest/Conversations/V1/Conversation/ParticipantResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Conversation/ParticipantResource.cs
@@ -80,10 +80,10 @@ public static ParticipantResource Create(CreateParticipantOptions options, ITwil
         /// <param name="options"> Create Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ParticipantResource> CreateAsync(CreateParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> CreateAsync(CreateParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -143,10 +143,10 @@ public static async System.Threading.Tasks.Task<ParticipantResource> CreateAsync
                                                                                   string messagingBindingProjectedAddress = null,
                                                                                   string roleSid = null,
                                                                                   ParticipantResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateParticipantOptions(pathConversationSid){  Identity = identity, MessagingBindingAddress = messagingBindingAddress, MessagingBindingProxyAddress = messagingBindingProxyAddress, DateCreated = dateCreated, DateUpdated = dateUpdated, Attributes = attributes, MessagingBindingProjectedAddress = messagingBindingProjectedAddress, RoleSid = roleSid, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -189,11 +189,12 @@ public static bool Delete(DeleteParticipantOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteParticipantOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteParticipantOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -217,10 +218,10 @@ public static bool Delete(string pathConversationSid, string pathSid, Participan
         /// <param name="xTwilioWebhookEnabled"> The X-Twilio-Webhook-Enabled HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathConversationSid, string pathSid, ParticipantResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathConversationSid, string pathSid, ParticipantResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteParticipantOptions(pathConversationSid, pathSid)  { XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -259,10 +260,10 @@ public static ParticipantResource Fetch(FetchParticipantOptions options, ITwilio
         /// <param name="options"> Fetch Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(FetchParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(FetchParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -286,10 +287,10 @@ public static ParticipantResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. Alternatively, you can pass a Participant's `identity` rather than the SID. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(string pathConversationSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(string pathConversationSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchParticipantOptions(pathConversationSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -326,10 +327,10 @@ public static ResourceSet<ParticipantResource> Read(ReadParticipantOptions optio
         /// <param name="options"> Read Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>> ReadAsync(ReadParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>> ReadAsync(ReadParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ParticipantResource>.FromJson("participants", response.Content);
             return new ResourceSet<ParticipantResource>(page, options, client);
@@ -362,10 +363,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>
                                                                                              string pathConversationSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadParticipantOptions(pathConversationSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -454,11 +455,12 @@ public static ParticipantResource Update(UpdateParticipantOptions options, ITwil
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ParticipantResource> UpdateAsync(UpdateParticipantOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> UpdateAsync(UpdateParticipantOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -526,10 +528,10 @@ public static async System.Threading.Tasks.Task<ParticipantResource> UpdateAsync
                                                                               int? lastReadMessageIndex = null,
                                                                               string lastReadTimestamp = null,
                                                                               ParticipantResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateParticipantOptions(pathConversationSid, pathSid){ DateCreated = dateCreated, DateUpdated = dateUpdated, Attributes = attributes, RoleSid = roleSid, MessagingBindingProxyAddress = messagingBindingProxyAddress, MessagingBindingProjectedAddress = messagingBindingProjectedAddress, Identity = identity, LastReadMessageIndex = lastReadMessageIndex, LastReadTimestamp = lastReadTimestamp, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/Conversation/WebhookResource.cs b/src/Twilio/Rest/Conversations/V1/Conversation/WebhookResource.cs
index 2fc6801cd..b05e19291 100644
--- a/src/Twilio/Rest/Conversations/V1/Conversation/WebhookResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Conversation/WebhookResource.cs
@@ -93,10 +93,10 @@ public static WebhookResource Create(CreateWebhookOptions options, ITwilioRestCl
         /// <param name="options"> Create Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> CreateAsync(CreateWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> CreateAsync(CreateWebhookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -148,10 +148,10 @@ public static async System.Threading.Tasks.Task<WebhookResource> CreateAsync(
                                                                                   List<string> configurationTriggers = null,
                                                                                   string configurationFlowSid = null,
                                                                                   int? configurationReplayAfter = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateWebhookOptions(pathConversationSid, target){  ConfigurationUrl = configurationUrl, ConfigurationMethod = configurationMethod, ConfigurationFilters = configurationFilters, ConfigurationTriggers = configurationTriggers, ConfigurationFlowSid = configurationFlowSid, ConfigurationReplayAfter = configurationReplayAfter };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -194,11 +194,12 @@ public static bool Delete(DeleteWebhookOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWebhookOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWebhookOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -220,10 +221,10 @@ public static bool Delete(string pathConversationSid, string pathSid, ITwilioRes
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathConversationSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathConversationSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteWebhookOptions(pathConversationSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -262,10 +263,10 @@ public static WebhookResource Fetch(FetchWebhookOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(FetchWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(FetchWebhookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -289,10 +290,10 @@ public static WebhookResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(string pathConversationSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(string pathConversationSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWebhookOptions(pathConversationSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -329,10 +330,10 @@ public static ResourceSet<WebhookResource> Read(ReadWebhookOptions options, ITwi
         /// <param name="options"> Read Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<WebhookResource>> ReadAsync(ReadWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<WebhookResource>> ReadAsync(ReadWebhookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<WebhookResource>.FromJson("webhooks", response.Content);
             return new ResourceSet<WebhookResource>(page, options, client);
@@ -365,10 +366,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<WebhookResource>> Re
                                                                                              string pathConversationSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadWebhookOptions(pathConversationSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -457,11 +458,12 @@ public static WebhookResource Update(UpdateWebhookOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(UpdateWebhookOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(UpdateWebhookOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -509,10 +511,10 @@ public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(
                                                                               List<string> configurationFilters = null,
                                                                               List<string> configurationTriggers = null,
                                                                               string configurationFlowSid = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateWebhookOptions(pathConversationSid, pathSid){ ConfigurationUrl = configurationUrl, ConfigurationMethod = configurationMethod, ConfigurationFilters = configurationFilters, ConfigurationTriggers = configurationTriggers, ConfigurationFlowSid = configurationFlowSid };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/ConversationResource.cs b/src/Twilio/Rest/Conversations/V1/ConversationResource.cs
index 384509651..c4d67ef83 100644
--- a/src/Twilio/Rest/Conversations/V1/ConversationResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/ConversationResource.cs
@@ -92,10 +92,10 @@ public static ConversationResource Create(CreateConversationOptions options, ITw
         /// <param name="options"> Create Conversation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conversation </returns>
-        public static async System.Threading.Tasks.Task<ConversationResource> CreateAsync(CreateConversationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConversationResource> CreateAsync(CreateConversationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -163,10 +163,10 @@ public static async System.Threading.Tasks.Task<ConversationResource> CreateAsyn
                                                                                   string bindingsEmailAddress = null,
                                                                                   string bindingsEmailName = null,
                                                                                   ConversationResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateConversationOptions(){  FriendlyName = friendlyName, UniqueName = uniqueName, DateCreated = dateCreated, DateUpdated = dateUpdated, MessagingServiceSid = messagingServiceSid, Attributes = attributes, State = state, TimersInactive = timersInactive, TimersClosed = timersClosed, BindingsEmailAddress = bindingsEmailAddress, BindingsEmailName = bindingsEmailName, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -207,11 +207,12 @@ public static bool Delete(DeleteConversationOptions options, ITwilioRestClient c
         /// <param name="options"> Delete Conversation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conversation </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteConversationOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteConversationOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -233,10 +234,10 @@ public static bool Delete(string pathSid, ConversationResource.WebhookEnabledTyp
         /// <param name="xTwilioWebhookEnabled"> The X-Twilio-Webhook-Enabled HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conversation </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ConversationResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ConversationResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteConversationOptions(pathSid)  { XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -273,10 +274,10 @@ public static ConversationResource Fetch(FetchConversationOptions options, ITwil
         /// <param name="options"> Fetch Conversation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conversation </returns>
-        public static async System.Threading.Tasks.Task<ConversationResource> FetchAsync(FetchConversationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConversationResource> FetchAsync(FetchConversationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -297,10 +298,10 @@ public static ConversationResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. Can also be the `unique_name` of the Conversation. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conversation </returns>
-        public static async System.Threading.Tasks.Task<ConversationResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConversationResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchConversationOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -335,10 +336,10 @@ public static ResourceSet<ConversationResource> Read(ReadConversationOptions opt
         /// <param name="options"> Read Conversation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conversation </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ConversationResource>> ReadAsync(ReadConversationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ConversationResource>> ReadAsync(ReadConversationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ConversationResource>.FromJson("conversations", response.Content);
             return new ResourceSet<ConversationResource>(page, options, client);
@@ -379,10 +380,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ConversationResource
                                                                                              ConversationResource.StateEnum state = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadConversationOptions(){ StartDate = startDate, EndDate = endDate, State = state, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -469,11 +470,12 @@ public static ConversationResource Update(UpdateConversationOptions options, ITw
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conversation </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ConversationResource> UpdateAsync(UpdateConversationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConversationResource> UpdateAsync(UpdateConversationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -545,10 +547,10 @@ public static async System.Threading.Tasks.Task<ConversationResource> UpdateAsyn
                                                                               string bindingsEmailAddress = null,
                                                                               string bindingsEmailName = null,
                                                                               ConversationResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateConversationOptions(pathSid){ FriendlyName = friendlyName, DateCreated = dateCreated, DateUpdated = dateUpdated, Attributes = attributes, MessagingServiceSid = messagingServiceSid, State = state, TimersInactive = timersInactive, TimersClosed = timersClosed, UniqueName = uniqueName, BindingsEmailAddress = bindingsEmailAddress, BindingsEmailName = bindingsEmailName, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/ConversationWithParticipantsResource.cs b/src/Twilio/Rest/Conversations/V1/ConversationWithParticipantsResource.cs
index 9bc268c2a..b97a1fc36 100644
--- a/src/Twilio/Rest/Conversations/V1/ConversationWithParticipantsResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/ConversationWithParticipantsResource.cs
@@ -92,10 +92,10 @@ public static ConversationWithParticipantsResource Create(CreateConversationWith
         /// <param name="options"> Create ConversationWithParticipants parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConversationWithParticipants </returns>
-        public static async System.Threading.Tasks.Task<ConversationWithParticipantsResource> CreateAsync(CreateConversationWithParticipantsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConversationWithParticipantsResource> CreateAsync(CreateConversationWithParticipantsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -167,10 +167,10 @@ public static async System.Threading.Tasks.Task<ConversationWithParticipantsReso
                                                                                   string bindingsEmailName = null,
                                                                                   List<string> participant = null,
                                                                                   ConversationWithParticipantsResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateConversationWithParticipantsOptions(){  FriendlyName = friendlyName, UniqueName = uniqueName, DateCreated = dateCreated, DateUpdated = dateUpdated, MessagingServiceSid = messagingServiceSid, Attributes = attributes, State = state, TimersInactive = timersInactive, TimersClosed = timersClosed, BindingsEmailAddress = bindingsEmailAddress, BindingsEmailName = bindingsEmailName, Participant = participant, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/CredentialResource.cs b/src/Twilio/Rest/Conversations/V1/CredentialResource.cs
index 1e43d3da6..3b9e13c83 100644
--- a/src/Twilio/Rest/Conversations/V1/CredentialResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/CredentialResource.cs
@@ -80,10 +80,10 @@ public static CredentialResource Create(CreateCredentialOptions options, ITwilio
         /// <param name="options"> Create Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(CreateCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(CreateCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -131,10 +131,10 @@ public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(
                                                                                   bool? sandbox = null,
                                                                                   string apiKey = null,
                                                                                   string secret = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCredentialOptions(type){  FriendlyName = friendlyName, Certificate = certificate, PrivateKey = privateKey, Sandbox = sandbox, ApiKey = apiKey, Secret = secret };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -175,11 +175,12 @@ public static bool Delete(DeleteCredentialOptions options, ITwilioRestClient cli
         /// <param name="options"> Delete Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -199,10 +200,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCredentialOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -239,10 +240,10 @@ public static CredentialResource Fetch(FetchCredentialOptions options, ITwilioRe
         /// <param name="options"> Fetch Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(FetchCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(FetchCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -263,10 +264,10 @@ public static CredentialResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCredentialOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<CredentialResource> Read(ReadCredentialOptions options
         /// <param name="options"> Read Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(ReadCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(ReadCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CredentialResource>.FromJson("credentials", response.Content);
             return new ResourceSet<CredentialResource>(page, options, client);
@@ -333,10 +334,10 @@ public static ResourceSet<CredentialResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCredentialOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -423,11 +424,12 @@ public static CredentialResource Update(UpdateCredentialOptions options, ITwilio
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(UpdateCredentialOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(UpdateCredentialOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -479,10 +481,10 @@ public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(
                                                                               bool? sandbox = null,
                                                                               string apiKey = null,
                                                                               string secret = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateCredentialOptions(pathSid){ Type = type, FriendlyName = friendlyName, Certificate = certificate, PrivateKey = privateKey, Sandbox = sandbox, ApiKey = apiKey, Secret = secret };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/ParticipantConversationResource.cs b/src/Twilio/Rest/Conversations/V1/ParticipantConversationResource.cs
index 47ad7c07e..6c3dbdbf7 100644
--- a/src/Twilio/Rest/Conversations/V1/ParticipantConversationResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/ParticipantConversationResource.cs
@@ -79,10 +79,10 @@ public static ResourceSet<ParticipantConversationResource> Read(ReadParticipantC
         /// <param name="options"> Read ParticipantConversation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ParticipantConversation </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ParticipantConversationResource>> ReadAsync(ReadParticipantConversationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ParticipantConversationResource>> ReadAsync(ReadParticipantConversationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ParticipantConversationResource>.FromJson("conversations", response.Content);
             return new ResourceSet<ParticipantConversationResource>(page, options, client);
@@ -119,10 +119,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ParticipantConversat
                                                                                              string address = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadParticipantConversationOptions(){ Identity = identity, Address = address, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Conversations/V1/RoleResource.cs b/src/Twilio/Rest/Conversations/V1/RoleResource.cs
index 72c81ed5c..0b7241599 100644
--- a/src/Twilio/Rest/Conversations/V1/RoleResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/RoleResource.cs
@@ -79,10 +79,10 @@ public static RoleResource Create(CreateRoleOptions options, ITwilioRestClient c
         /// <param name="options"> Create Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(CreateRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(CreateRoleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -114,10 +114,10 @@ public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(
                                                                                   string friendlyName,
                                                                                   RoleResource.RoleTypeEnum type,
                                                                                   List<string> permission,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateRoleOptions(friendlyName, type, permission){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -158,11 +158,12 @@ public static bool Delete(DeleteRoleOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRoleOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRoleOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -182,10 +183,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the Role resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteRoleOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -222,10 +223,10 @@ public static RoleResource Fetch(FetchRoleOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(FetchRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(FetchRoleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -246,10 +247,10 @@ public static RoleResource Fetch(
         /// <param name="pathSid"> The SID of the Role resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRoleOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -284,10 +285,10 @@ public static ResourceSet<RoleResource> Read(ReadRoleOptions options, ITwilioRes
         /// <param name="options"> Read Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadAsync(ReadRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadAsync(ReadRoleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RoleResource>.FromJson("roles", response.Content);
             return new ResourceSet<RoleResource>(page, options, client);
@@ -316,10 +317,10 @@ public static ResourceSet<RoleResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRoleOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -406,11 +407,12 @@ public static RoleResource Update(UpdateRoleOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(UpdateRoleOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(UpdateRoleOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -438,10 +440,10 @@ public static RoleResource Update(
         public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(
                                                                               string pathSid,
                                                                               List<string> permission,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateRoleOptions(pathSid, permission){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/Service/BindingResource.cs b/src/Twilio/Rest/Conversations/V1/Service/BindingResource.cs
index 4d2b374cb..6b1c7ed4f 100644
--- a/src/Twilio/Rest/Conversations/V1/Service/BindingResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Service/BindingResource.cs
@@ -87,11 +87,12 @@ public static bool Delete(DeleteBindingOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Binding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteBindingOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteBindingOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -113,10 +114,10 @@ public static bool Delete(string pathChatServiceSid, string pathSid, ITwilioRest
         /// <param name="pathSid"> The SID of the Binding resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathChatServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathChatServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteBindingOptions(pathChatServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -155,10 +156,10 @@ public static BindingResource Fetch(FetchBindingOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Binding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<BindingResource> FetchAsync(FetchBindingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BindingResource> FetchAsync(FetchBindingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -182,10 +183,10 @@ public static BindingResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<BindingResource> FetchAsync(string pathChatServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BindingResource> FetchAsync(string pathChatServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchBindingOptions(pathChatServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -222,10 +223,10 @@ public static ResourceSet<BindingResource> Read(ReadBindingOptions options, ITwi
         /// <param name="options"> Read Binding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<BindingResource>> ReadAsync(ReadBindingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<BindingResource>> ReadAsync(ReadBindingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<BindingResource>.FromJson("bindings", response.Content);
             return new ResourceSet<BindingResource>(page, options, client);
@@ -266,10 +267,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<BindingResource>> Re
                                                                                              List<string> identity = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadBindingOptions(pathChatServiceSid){ BindingType = bindingType, Identity = identity, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Conversations/V1/Service/Configuration/NotificationResource.cs b/src/Twilio/Rest/Conversations/V1/Service/Configuration/NotificationResource.cs
index 1bde68149..318877f0e 100644
--- a/src/Twilio/Rest/Conversations/V1/Service/Configuration/NotificationResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Service/Configuration/NotificationResource.cs
@@ -67,10 +67,10 @@ public static NotificationResource Fetch(FetchNotificationOptions options, ITwil
         /// <param name="options"> Fetch Notification parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Notification </returns>
-        public static async System.Threading.Tasks.Task<NotificationResource> FetchAsync(FetchNotificationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NotificationResource> FetchAsync(FetchNotificationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static NotificationResource Fetch(
         /// <param name="pathChatServiceSid"> The SID of the [Conversation Service](https://www.twilio.com/docs/conversations/api/service-resource) the Configuration applies to. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Notification </returns>
-        public static async System.Threading.Tasks.Task<NotificationResource> FetchAsync(string pathChatServiceSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NotificationResource> FetchAsync(string pathChatServiceSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchNotificationOptions(pathChatServiceSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -132,11 +132,12 @@ public static NotificationResource Update(UpdateNotificationOptions options, ITw
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Notification </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<NotificationResource> UpdateAsync(UpdateNotificationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NotificationResource> UpdateAsync(UpdateNotificationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -212,10 +213,10 @@ public static async System.Threading.Tasks.Task<NotificationResource> UpdateAsyn
                                                                               string removedFromConversationSound = null,
                                                                               bool? newMessageWithMediaEnabled = null,
                                                                               string newMessageWithMediaTemplate = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateNotificationOptions(pathChatServiceSid){ LogEnabled = logEnabled, NewMessageEnabled = newMessageEnabled, NewMessageTemplate = newMessageTemplate, NewMessageSound = newMessageSound, NewMessageBadgeCountEnabled = newMessageBadgeCountEnabled, AddedToConversationEnabled = addedToConversationEnabled, AddedToConversationTemplate = addedToConversationTemplate, AddedToConversationSound = addedToConversationSound, RemovedFromConversationEnabled = removedFromConversationEnabled, RemovedFromConversationTemplate = removedFromConversationTemplate, RemovedFromConversationSound = removedFromConversationSound, NewMessageWithMediaEnabled = newMessageWithMediaEnabled, NewMessageWithMediaTemplate = newMessageWithMediaTemplate };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/Service/Configuration/WebhookResource.cs b/src/Twilio/Rest/Conversations/V1/Service/Configuration/WebhookResource.cs
index b4dc72edf..d6f7d8a26 100644
--- a/src/Twilio/Rest/Conversations/V1/Service/Configuration/WebhookResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Service/Configuration/WebhookResource.cs
@@ -80,10 +80,10 @@ public static WebhookResource Fetch(FetchWebhookOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(FetchWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(FetchWebhookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -104,10 +104,10 @@ public static WebhookResource Fetch(
         /// <param name="pathChatServiceSid"> The unique ID of the [Conversation Service](https://www.twilio.com/docs/conversations/api/service-resource) this conversation belongs to. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(string pathChatServiceSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(string pathChatServiceSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWebhookOptions(pathChatServiceSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static WebhookResource Update(UpdateWebhookOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(UpdateWebhookOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(UpdateWebhookOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -189,10 +190,10 @@ public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(
                                                                               Uri postWebhookUrl = null,
                                                                               List<string> filters = null,
                                                                               string method = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateWebhookOptions(pathChatServiceSid){ PreWebhookUrl = preWebhookUrl, PostWebhookUrl = postWebhookUrl, Filters = filters, Method = method };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/Service/ConfigurationResource.cs b/src/Twilio/Rest/Conversations/V1/Service/ConfigurationResource.cs
index f6b8b0f37..d45a96c29 100644
--- a/src/Twilio/Rest/Conversations/V1/Service/ConfigurationResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Service/ConfigurationResource.cs
@@ -67,10 +67,10 @@ public static ConfigurationResource Fetch(FetchConfigurationOptions options, ITw
         /// <param name="options"> Fetch Configuration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Configuration </returns>
-        public static async System.Threading.Tasks.Task<ConfigurationResource> FetchAsync(FetchConfigurationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConfigurationResource> FetchAsync(FetchConfigurationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static ConfigurationResource Fetch(
         /// <param name="pathChatServiceSid"> The SID of the Service configuration resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Configuration </returns>
-        public static async System.Threading.Tasks.Task<ConfigurationResource> FetchAsync(string pathChatServiceSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConfigurationResource> FetchAsync(string pathChatServiceSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchConfigurationOptions(pathChatServiceSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -132,11 +132,12 @@ public static ConfigurationResource Update(UpdateConfigurationOptions options, I
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Configuration </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ConfigurationResource> UpdateAsync(UpdateConfigurationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConfigurationResource> UpdateAsync(UpdateConfigurationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -176,10 +177,10 @@ public static async System.Threading.Tasks.Task<ConfigurationResource> UpdateAsy
                                                                               string defaultConversationRoleSid = null,
                                                                               string defaultChatServiceRoleSid = null,
                                                                               bool? reachabilityEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateConfigurationOptions(pathChatServiceSid){ DefaultConversationCreatorRoleSid = defaultConversationCreatorRoleSid, DefaultConversationRoleSid = defaultConversationRoleSid, DefaultChatServiceRoleSid = defaultChatServiceRoleSid, ReachabilityEnabled = reachabilityEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/Service/Conversation/Message/DeliveryReceiptResource.cs b/src/Twilio/Rest/Conversations/V1/Service/Conversation/Message/DeliveryReceiptResource.cs
index a7a31cb26..323c2ce79 100644
--- a/src/Twilio/Rest/Conversations/V1/Service/Conversation/Message/DeliveryReceiptResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Service/Conversation/Message/DeliveryReceiptResource.cs
@@ -89,10 +89,10 @@ public static DeliveryReceiptResource Fetch(FetchDeliveryReceiptOptions options,
         /// <param name="options"> Fetch DeliveryReceipt parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeliveryReceipt </returns>
-        public static async System.Threading.Tasks.Task<DeliveryReceiptResource> FetchAsync(FetchDeliveryReceiptOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeliveryReceiptResource> FetchAsync(FetchDeliveryReceiptOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -122,10 +122,10 @@ public static DeliveryReceiptResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeliveryReceipt </returns>
-        public static async System.Threading.Tasks.Task<DeliveryReceiptResource> FetchAsync(string pathChatServiceSid, string pathConversationSid, string pathMessageSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeliveryReceiptResource> FetchAsync(string pathChatServiceSid, string pathConversationSid, string pathMessageSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDeliveryReceiptOptions(pathChatServiceSid, pathConversationSid, pathMessageSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -166,10 +166,10 @@ public static ResourceSet<DeliveryReceiptResource> Read(ReadDeliveryReceiptOptio
         /// <param name="options"> Read DeliveryReceipt parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeliveryReceipt </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DeliveryReceiptResource>> ReadAsync(ReadDeliveryReceiptOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DeliveryReceiptResource>> ReadAsync(ReadDeliveryReceiptOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<DeliveryReceiptResource>.FromJson("delivery_receipts", response.Content);
             return new ResourceSet<DeliveryReceiptResource>(page, options, client);
@@ -210,10 +210,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<DeliveryReceiptResou
                                                                                              string pathMessageSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDeliveryReceiptOptions(pathChatServiceSid, pathConversationSid, pathMessageSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Conversations/V1/Service/Conversation/MessageResource.cs b/src/Twilio/Rest/Conversations/V1/Service/Conversation/MessageResource.cs
index 1611f67a7..64399a7d2 100644
--- a/src/Twilio/Rest/Conversations/V1/Service/Conversation/MessageResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Service/Conversation/MessageResource.cs
@@ -94,10 +94,10 @@ public static MessageResource Create(CreateMessageOptions options, ITwilioRestCl
         /// <param name="options"> Create Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(CreateMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(CreateMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -165,10 +165,10 @@ public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(
                                                                                   string contentVariables = null,
                                                                                   string subject = null,
                                                                                   MessageResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateMessageOptions(pathChatServiceSid, pathConversationSid){  Author = author, Body = body, DateCreated = dateCreated, DateUpdated = dateUpdated, Attributes = attributes, MediaSid = mediaSid, ContentSid = contentSid, ContentVariables = contentVariables, Subject = subject, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,11 +213,12 @@ public static bool Delete(DeleteMessageOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMessageOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMessageOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -243,10 +244,10 @@ public static bool Delete(string pathChatServiceSid, string pathConversationSid,
         /// <param name="xTwilioWebhookEnabled"> The X-Twilio-Webhook-Enabled HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathChatServiceSid, string pathConversationSid, string pathSid, MessageResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathChatServiceSid, string pathConversationSid, string pathSid, MessageResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteMessageOptions(pathChatServiceSid, pathConversationSid, pathSid)  { XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -287,10 +288,10 @@ public static MessageResource Fetch(FetchMessageOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(FetchMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(FetchMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -317,10 +318,10 @@ public static MessageResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(string pathChatServiceSid, string pathConversationSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(string pathChatServiceSid, string pathConversationSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchMessageOptions(pathChatServiceSid, pathConversationSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -359,10 +360,10 @@ public static ResourceSet<MessageResource> Read(ReadMessageOptions options, ITwi
         /// <param name="options"> Read Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> ReadAsync(ReadMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> ReadAsync(ReadMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MessageResource>.FromJson("messages", response.Content);
             return new ResourceSet<MessageResource>(page, options, client);
@@ -403,10 +404,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> Re
                                                                                              MessageResource.OrderTypeEnum order = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMessageOptions(pathChatServiceSid, pathConversationSid){ Order = order, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -497,11 +498,12 @@ public static MessageResource Update(UpdateMessageOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(UpdateMessageOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(UpdateMessageOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -561,10 +563,10 @@ public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(
                                                                               string attributes = null,
                                                                               string subject = null,
                                                                               MessageResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateMessageOptions(pathChatServiceSid, pathConversationSid, pathSid){ Author = author, Body = body, DateCreated = dateCreated, DateUpdated = dateUpdated, Attributes = attributes, Subject = subject, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/Service/Conversation/ParticipantResource.cs b/src/Twilio/Rest/Conversations/V1/Service/Conversation/ParticipantResource.cs
index 282aa4ddd..bc74a1e2c 100644
--- a/src/Twilio/Rest/Conversations/V1/Service/Conversation/ParticipantResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Service/Conversation/ParticipantResource.cs
@@ -82,10 +82,10 @@ public static ParticipantResource Create(CreateParticipantOptions options, ITwil
         /// <param name="options"> Create Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ParticipantResource> CreateAsync(CreateParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> CreateAsync(CreateParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -149,10 +149,10 @@ public static async System.Threading.Tasks.Task<ParticipantResource> CreateAsync
                                                                                   string messagingBindingProjectedAddress = null,
                                                                                   string roleSid = null,
                                                                                   ParticipantResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateParticipantOptions(pathChatServiceSid, pathConversationSid){  Identity = identity, MessagingBindingAddress = messagingBindingAddress, MessagingBindingProxyAddress = messagingBindingProxyAddress, DateCreated = dateCreated, DateUpdated = dateUpdated, Attributes = attributes, MessagingBindingProjectedAddress = messagingBindingProjectedAddress, RoleSid = roleSid, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -197,11 +197,12 @@ public static bool Delete(DeleteParticipantOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteParticipantOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteParticipantOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -227,10 +228,10 @@ public static bool Delete(string pathChatServiceSid, string pathConversationSid,
         /// <param name="xTwilioWebhookEnabled"> The X-Twilio-Webhook-Enabled HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathChatServiceSid, string pathConversationSid, string pathSid, ParticipantResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathChatServiceSid, string pathConversationSid, string pathSid, ParticipantResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteParticipantOptions(pathChatServiceSid, pathConversationSid, pathSid)  { XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -271,10 +272,10 @@ public static ParticipantResource Fetch(FetchParticipantOptions options, ITwilio
         /// <param name="options"> Fetch Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(FetchParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(FetchParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -301,10 +302,10 @@ public static ParticipantResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. Alternatively, you can pass a Participant's `identity` rather than the SID. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(string pathChatServiceSid, string pathConversationSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(string pathChatServiceSid, string pathConversationSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchParticipantOptions(pathChatServiceSid, pathConversationSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -343,10 +344,10 @@ public static ResourceSet<ParticipantResource> Read(ReadParticipantOptions optio
         /// <param name="options"> Read Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>> ReadAsync(ReadParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>> ReadAsync(ReadParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ParticipantResource>.FromJson("participants", response.Content);
             return new ResourceSet<ParticipantResource>(page, options, client);
@@ -383,10 +384,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>
                                                                                              string pathConversationSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadParticipantOptions(pathChatServiceSid, pathConversationSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -477,11 +478,12 @@ public static ParticipantResource Update(UpdateParticipantOptions options, ITwil
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ParticipantResource> UpdateAsync(UpdateParticipantOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> UpdateAsync(UpdateParticipantOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -553,10 +555,10 @@ public static async System.Threading.Tasks.Task<ParticipantResource> UpdateAsync
                                                                               int? lastReadMessageIndex = null,
                                                                               string lastReadTimestamp = null,
                                                                               ParticipantResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateParticipantOptions(pathChatServiceSid, pathConversationSid, pathSid){ DateCreated = dateCreated, DateUpdated = dateUpdated, Identity = identity, Attributes = attributes, RoleSid = roleSid, MessagingBindingProxyAddress = messagingBindingProxyAddress, MessagingBindingProjectedAddress = messagingBindingProjectedAddress, LastReadMessageIndex = lastReadMessageIndex, LastReadTimestamp = lastReadTimestamp, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/Service/Conversation/WebhookResource.cs b/src/Twilio/Rest/Conversations/V1/Service/Conversation/WebhookResource.cs
index 0d772ad19..493cf95ea 100644
--- a/src/Twilio/Rest/Conversations/V1/Service/Conversation/WebhookResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Service/Conversation/WebhookResource.cs
@@ -95,10 +95,10 @@ public static WebhookResource Create(CreateWebhookOptions options, ITwilioRestCl
         /// <param name="options"> Create Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> CreateAsync(CreateWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> CreateAsync(CreateWebhookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -154,10 +154,10 @@ public static async System.Threading.Tasks.Task<WebhookResource> CreateAsync(
                                                                                   List<string> configurationTriggers = null,
                                                                                   string configurationFlowSid = null,
                                                                                   int? configurationReplayAfter = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateWebhookOptions(pathChatServiceSid, pathConversationSid, target){  ConfigurationUrl = configurationUrl, ConfigurationMethod = configurationMethod, ConfigurationFilters = configurationFilters, ConfigurationTriggers = configurationTriggers, ConfigurationFlowSid = configurationFlowSid, ConfigurationReplayAfter = configurationReplayAfter };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -202,11 +202,12 @@ public static bool Delete(DeleteWebhookOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWebhookOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWebhookOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -230,10 +231,10 @@ public static bool Delete(string pathChatServiceSid, string pathConversationSid,
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathChatServiceSid, string pathConversationSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathChatServiceSid, string pathConversationSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteWebhookOptions(pathChatServiceSid, pathConversationSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -274,10 +275,10 @@ public static WebhookResource Fetch(FetchWebhookOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(FetchWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(FetchWebhookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -304,10 +305,10 @@ public static WebhookResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(string pathChatServiceSid, string pathConversationSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(string pathChatServiceSid, string pathConversationSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWebhookOptions(pathChatServiceSid, pathConversationSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -346,10 +347,10 @@ public static ResourceSet<WebhookResource> Read(ReadWebhookOptions options, ITwi
         /// <param name="options"> Read Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<WebhookResource>> ReadAsync(ReadWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<WebhookResource>> ReadAsync(ReadWebhookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<WebhookResource>.FromJson("webhooks", response.Content);
             return new ResourceSet<WebhookResource>(page, options, client);
@@ -386,10 +387,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<WebhookResource>> Re
                                                                                              string pathConversationSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadWebhookOptions(pathChatServiceSid, pathConversationSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -480,11 +481,12 @@ public static WebhookResource Update(UpdateWebhookOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(UpdateWebhookOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(UpdateWebhookOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -536,10 +538,10 @@ public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(
                                                                               List<string> configurationFilters = null,
                                                                               List<string> configurationTriggers = null,
                                                                               string configurationFlowSid = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateWebhookOptions(pathChatServiceSid, pathConversationSid, pathSid){ ConfigurationUrl = configurationUrl, ConfigurationMethod = configurationMethod, ConfigurationFilters = configurationFilters, ConfigurationTriggers = configurationTriggers, ConfigurationFlowSid = configurationFlowSid };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/Service/ConversationResource.cs b/src/Twilio/Rest/Conversations/V1/Service/ConversationResource.cs
index fe70db4cc..1fe5a23e9 100644
--- a/src/Twilio/Rest/Conversations/V1/Service/ConversationResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Service/ConversationResource.cs
@@ -94,10 +94,10 @@ public static ConversationResource Create(CreateConversationOptions options, ITw
         /// <param name="options"> Create Conversation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conversation </returns>
-        public static async System.Threading.Tasks.Task<ConversationResource> CreateAsync(CreateConversationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConversationResource> CreateAsync(CreateConversationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -169,10 +169,10 @@ public static async System.Threading.Tasks.Task<ConversationResource> CreateAsyn
                                                                                   string bindingsEmailAddress = null,
                                                                                   string bindingsEmailName = null,
                                                                                   ConversationResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateConversationOptions(pathChatServiceSid){  FriendlyName = friendlyName, UniqueName = uniqueName, Attributes = attributes, MessagingServiceSid = messagingServiceSid, DateCreated = dateCreated, DateUpdated = dateUpdated, State = state, TimersInactive = timersInactive, TimersClosed = timersClosed, BindingsEmailAddress = bindingsEmailAddress, BindingsEmailName = bindingsEmailName, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -215,11 +215,12 @@ public static bool Delete(DeleteConversationOptions options, ITwilioRestClient c
         /// <param name="options"> Delete Conversation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conversation </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteConversationOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteConversationOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -243,10 +244,10 @@ public static bool Delete(string pathChatServiceSid, string pathSid, Conversatio
         /// <param name="xTwilioWebhookEnabled"> The X-Twilio-Webhook-Enabled HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conversation </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathChatServiceSid, string pathSid, ConversationResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathChatServiceSid, string pathSid, ConversationResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteConversationOptions(pathChatServiceSid, pathSid)  { XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -285,10 +286,10 @@ public static ConversationResource Fetch(FetchConversationOptions options, ITwil
         /// <param name="options"> Fetch Conversation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conversation </returns>
-        public static async System.Threading.Tasks.Task<ConversationResource> FetchAsync(FetchConversationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConversationResource> FetchAsync(FetchConversationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -312,10 +313,10 @@ public static ConversationResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. Can also be the `unique_name` of the Conversation. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conversation </returns>
-        public static async System.Threading.Tasks.Task<ConversationResource> FetchAsync(string pathChatServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConversationResource> FetchAsync(string pathChatServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchConversationOptions(pathChatServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -352,10 +353,10 @@ public static ResourceSet<ConversationResource> Read(ReadConversationOptions opt
         /// <param name="options"> Read Conversation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conversation </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ConversationResource>> ReadAsync(ReadConversationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ConversationResource>> ReadAsync(ReadConversationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ConversationResource>.FromJson("conversations", response.Content);
             return new ResourceSet<ConversationResource>(page, options, client);
@@ -400,10 +401,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ConversationResource
                                                                                              ConversationResource.StateEnum state = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadConversationOptions(pathChatServiceSid){ StartDate = startDate, EndDate = endDate, State = state, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -492,11 +493,12 @@ public static ConversationResource Update(UpdateConversationOptions options, ITw
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conversation </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ConversationResource> UpdateAsync(UpdateConversationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConversationResource> UpdateAsync(UpdateConversationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -572,10 +574,10 @@ public static async System.Threading.Tasks.Task<ConversationResource> UpdateAsyn
                                                                               string bindingsEmailAddress = null,
                                                                               string bindingsEmailName = null,
                                                                               ConversationResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateConversationOptions(pathChatServiceSid, pathSid){ FriendlyName = friendlyName, DateCreated = dateCreated, DateUpdated = dateUpdated, Attributes = attributes, MessagingServiceSid = messagingServiceSid, State = state, TimersInactive = timersInactive, TimersClosed = timersClosed, UniqueName = uniqueName, BindingsEmailAddress = bindingsEmailAddress, BindingsEmailName = bindingsEmailName, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/Service/ConversationWithParticipantsResource.cs b/src/Twilio/Rest/Conversations/V1/Service/ConversationWithParticipantsResource.cs
index 9349800b3..6362d8d5e 100644
--- a/src/Twilio/Rest/Conversations/V1/Service/ConversationWithParticipantsResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Service/ConversationWithParticipantsResource.cs
@@ -94,10 +94,10 @@ public static ConversationWithParticipantsResource Create(CreateConversationWith
         /// <param name="options"> Create ConversationWithParticipants parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConversationWithParticipants </returns>
-        public static async System.Threading.Tasks.Task<ConversationWithParticipantsResource> CreateAsync(CreateConversationWithParticipantsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConversationWithParticipantsResource> CreateAsync(CreateConversationWithParticipantsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -173,10 +173,10 @@ public static async System.Threading.Tasks.Task<ConversationWithParticipantsReso
                                                                                   string bindingsEmailName = null,
                                                                                   List<string> participant = null,
                                                                                   ConversationWithParticipantsResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateConversationWithParticipantsOptions(pathChatServiceSid){  FriendlyName = friendlyName, UniqueName = uniqueName, DateCreated = dateCreated, DateUpdated = dateUpdated, MessagingServiceSid = messagingServiceSid, Attributes = attributes, State = state, TimersInactive = timersInactive, TimersClosed = timersClosed, BindingsEmailAddress = bindingsEmailAddress, BindingsEmailName = bindingsEmailName, Participant = participant, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/Service/ParticipantConversationResource.cs b/src/Twilio/Rest/Conversations/V1/Service/ParticipantConversationResource.cs
index 0ecf23b7d..2eb195e24 100644
--- a/src/Twilio/Rest/Conversations/V1/Service/ParticipantConversationResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Service/ParticipantConversationResource.cs
@@ -81,10 +81,10 @@ public static ResourceSet<ParticipantConversationResource> Read(ReadParticipantC
         /// <param name="options"> Read ParticipantConversation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ParticipantConversation </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ParticipantConversationResource>> ReadAsync(ReadParticipantConversationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ParticipantConversationResource>> ReadAsync(ReadParticipantConversationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ParticipantConversationResource>.FromJson("conversations", response.Content);
             return new ResourceSet<ParticipantConversationResource>(page, options, client);
@@ -125,10 +125,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ParticipantConversat
                                                                                              string address = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadParticipantConversationOptions(pathChatServiceSid){ Identity = identity, Address = address, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Conversations/V1/Service/RoleResource.cs b/src/Twilio/Rest/Conversations/V1/Service/RoleResource.cs
index 4f94e0845..73b928a52 100644
--- a/src/Twilio/Rest/Conversations/V1/Service/RoleResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Service/RoleResource.cs
@@ -81,10 +81,10 @@ public static RoleResource Create(CreateRoleOptions options, ITwilioRestClient c
         /// <param name="options"> Create Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(CreateRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(CreateRoleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -120,10 +120,10 @@ public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(
                                                                                   string friendlyName,
                                                                                   RoleResource.RoleTypeEnum type,
                                                                                   List<string> permission,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateRoleOptions(pathChatServiceSid, friendlyName, type, permission){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -166,11 +166,12 @@ public static bool Delete(DeleteRoleOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRoleOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRoleOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -192,10 +193,10 @@ public static bool Delete(string pathChatServiceSid, string pathSid, ITwilioRest
         /// <param name="pathSid"> The SID of the Role resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathChatServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathChatServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteRoleOptions(pathChatServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -234,10 +235,10 @@ public static RoleResource Fetch(FetchRoleOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(FetchRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(FetchRoleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -261,10 +262,10 @@ public static RoleResource Fetch(
         /// <param name="pathSid"> The SID of the Role resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(string pathChatServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(string pathChatServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRoleOptions(pathChatServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<RoleResource> Read(ReadRoleOptions options, ITwilioRes
         /// <param name="options"> Read Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadAsync(ReadRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadAsync(ReadRoleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RoleResource>.FromJson("roles", response.Content);
             return new ResourceSet<RoleResource>(page, options, client);
@@ -337,10 +338,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadA
                                                                                              string pathChatServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRoleOptions(pathChatServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -429,11 +430,12 @@ public static RoleResource Update(UpdateRoleOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(UpdateRoleOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(UpdateRoleOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -465,10 +467,10 @@ public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(
                                                                               string pathChatServiceSid,
                                                                               string pathSid,
                                                                               List<string> permission,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateRoleOptions(pathChatServiceSid, pathSid, permission){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/Service/User/UserConversationResource.cs b/src/Twilio/Rest/Conversations/V1/Service/User/UserConversationResource.cs
index 10e9e6e68..a87d0f8d9 100644
--- a/src/Twilio/Rest/Conversations/V1/Service/User/UserConversationResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Service/User/UserConversationResource.cs
@@ -102,11 +102,12 @@ public static bool Delete(DeleteUserConversationOptions options, ITwilioRestClie
         /// <param name="options"> Delete UserConversation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserConversation </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserConversationOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserConversationOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -130,10 +131,10 @@ public static bool Delete(string pathChatServiceSid, string pathUserSid, string
         /// <param name="pathConversationSid"> The unique SID identifier of the Conversation. This value can be either the `sid` or the `unique_name` of the [Conversation resource](https://www.twilio.com/docs/conversations/api/conversation-resource). </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserConversation </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathChatServiceSid, string pathUserSid, string pathConversationSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathChatServiceSid, string pathUserSid, string pathConversationSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteUserConversationOptions(pathChatServiceSid, pathUserSid, pathConversationSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -174,10 +175,10 @@ public static UserConversationResource Fetch(FetchUserConversationOptions option
         /// <param name="options"> Fetch UserConversation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserConversation </returns>
-        public static async System.Threading.Tasks.Task<UserConversationResource> FetchAsync(FetchUserConversationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserConversationResource> FetchAsync(FetchUserConversationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -204,10 +205,10 @@ public static UserConversationResource Fetch(
         /// <param name="pathConversationSid"> The unique SID identifier of the Conversation. This value can be either the `sid` or the `unique_name` of the [Conversation resource](https://www.twilio.com/docs/conversations/api/conversation-resource). </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserConversation </returns>
-        public static async System.Threading.Tasks.Task<UserConversationResource> FetchAsync(string pathChatServiceSid, string pathUserSid, string pathConversationSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserConversationResource> FetchAsync(string pathChatServiceSid, string pathUserSid, string pathConversationSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUserConversationOptions(pathChatServiceSid, pathUserSid, pathConversationSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -246,10 +247,10 @@ public static ResourceSet<UserConversationResource> Read(ReadUserConversationOpt
         /// <param name="options"> Read UserConversation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserConversation </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UserConversationResource>> ReadAsync(ReadUserConversationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UserConversationResource>> ReadAsync(ReadUserConversationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<UserConversationResource>.FromJson("conversations", response.Content);
             return new ResourceSet<UserConversationResource>(page, options, client);
@@ -286,10 +287,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<UserConversationReso
                                                                                              string pathUserSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUserConversationOptions(pathChatServiceSid, pathUserSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -380,11 +381,12 @@ public static UserConversationResource Update(UpdateUserConversationOptions opti
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserConversation </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<UserConversationResource> UpdateAsync(UpdateUserConversationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserConversationResource> UpdateAsync(UpdateUserConversationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -428,10 +430,10 @@ public static async System.Threading.Tasks.Task<UserConversationResource> Update
                                                                               UserConversationResource.NotificationLevelEnum notificationLevel = null,
                                                                               DateTime? lastReadTimestamp = null,
                                                                               int? lastReadMessageIndex = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateUserConversationOptions(pathChatServiceSid, pathUserSid, pathConversationSid){ NotificationLevel = notificationLevel, LastReadTimestamp = lastReadTimestamp, LastReadMessageIndex = lastReadMessageIndex };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/Service/UserResource.cs b/src/Twilio/Rest/Conversations/V1/Service/UserResource.cs
index 5dff2b4d2..65deceeae 100644
--- a/src/Twilio/Rest/Conversations/V1/Service/UserResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/Service/UserResource.cs
@@ -80,10 +80,10 @@ public static UserResource Create(CreateUserOptions options, ITwilioRestClient c
         /// <param name="options"> Create User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> CreateAsync(CreateUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> CreateAsync(CreateUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -127,10 +127,10 @@ public static async System.Threading.Tasks.Task<UserResource> CreateAsync(
                                                                                   string attributes = null,
                                                                                   string roleSid = null,
                                                                                   UserResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateUserOptions(pathChatServiceSid, identity){  FriendlyName = friendlyName, Attributes = attributes, RoleSid = roleSid, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -173,11 +173,12 @@ public static bool Delete(DeleteUserOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -201,10 +202,10 @@ public static bool Delete(string pathChatServiceSid, string pathSid, UserResourc
         /// <param name="xTwilioWebhookEnabled"> The X-Twilio-Webhook-Enabled HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathChatServiceSid, string pathSid, UserResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathChatServiceSid, string pathSid, UserResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteUserOptions(pathChatServiceSid, pathSid)  { XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -243,10 +244,10 @@ public static UserResource Fetch(FetchUserOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(FetchUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(FetchUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -270,10 +271,10 @@ public static UserResource Fetch(
         /// <param name="pathSid"> The SID of the User resource to fetch. This value can be either the `sid` or the `identity` of the User resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(string pathChatServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(string pathChatServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUserOptions(pathChatServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -310,10 +311,10 @@ public static ResourceSet<UserResource> Read(ReadUserOptions options, ITwilioRes
         /// <param name="options"> Read User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadAsync(ReadUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadAsync(ReadUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<UserResource>.FromJson("users", response.Content);
             return new ResourceSet<UserResource>(page, options, client);
@@ -346,10 +347,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadA
                                                                                              string pathChatServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUserOptions(pathChatServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -438,11 +439,12 @@ public static UserResource Update(UpdateUserOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(UpdateUserOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(UpdateUserOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -486,10 +488,10 @@ public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(
                                                                               string attributes = null,
                                                                               string roleSid = null,
                                                                               UserResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateUserOptions(pathChatServiceSid, pathSid){ FriendlyName = friendlyName, Attributes = attributes, RoleSid = roleSid, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/ServiceResource.cs b/src/Twilio/Rest/Conversations/V1/ServiceResource.cs
index c9a4c1a6c..fcb575146 100644
--- a/src/Twilio/Rest/Conversations/V1/ServiceResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/ServiceResource.cs
@@ -66,10 +66,10 @@ public static ServiceResource Create(CreateServiceOptions options, ITwilioRestCl
         /// <param name="options"> Create Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -93,10 +93,10 @@ public static ServiceResource Create(
         /// <returns> Task that resolves to A single instance of Service </returns>
         public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(
                                                                                   string friendlyName,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateServiceOptions(friendlyName){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -137,11 +137,12 @@ public static bool Delete(DeleteServiceOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -161,10 +162,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteServiceOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -201,10 +202,10 @@ public static ServiceResource Fetch(FetchServiceOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -225,10 +226,10 @@ public static ServiceResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchServiceOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -263,10 +264,10 @@ public static ResourceSet<ServiceResource> Read(ReadServiceOptions options, ITwi
         /// <param name="options"> Read Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ServiceResource>.FromJson("services", response.Content);
             return new ResourceSet<ServiceResource>(page, options, client);
@@ -295,10 +296,10 @@ public static ResourceSet<ServiceResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadServiceOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Conversations/V1/User/UserConversationResource.cs b/src/Twilio/Rest/Conversations/V1/User/UserConversationResource.cs
index 882d7f083..dd46eb2d9 100644
--- a/src/Twilio/Rest/Conversations/V1/User/UserConversationResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/User/UserConversationResource.cs
@@ -100,11 +100,12 @@ public static bool Delete(DeleteUserConversationOptions options, ITwilioRestClie
         /// <param name="options"> Delete UserConversation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserConversation </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserConversationOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserConversationOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -126,10 +127,10 @@ public static bool Delete(string pathUserSid, string pathConversationSid, ITwili
         /// <param name="pathConversationSid"> The unique SID identifier of the Conversation. This value can be either the `sid` or the `unique_name` of the [Conversation resource](https://www.twilio.com/docs/conversations/api/conversation-resource). </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserConversation </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathUserSid, string pathConversationSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathUserSid, string pathConversationSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteUserConversationOptions(pathUserSid, pathConversationSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -168,10 +169,10 @@ public static UserConversationResource Fetch(FetchUserConversationOptions option
         /// <param name="options"> Fetch UserConversation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserConversation </returns>
-        public static async System.Threading.Tasks.Task<UserConversationResource> FetchAsync(FetchUserConversationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserConversationResource> FetchAsync(FetchUserConversationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -195,10 +196,10 @@ public static UserConversationResource Fetch(
         /// <param name="pathConversationSid"> The unique SID identifier of the Conversation. This value can be either the `sid` or the `unique_name` of the [Conversation resource](https://www.twilio.com/docs/conversations/api/conversation-resource). </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserConversation </returns>
-        public static async System.Threading.Tasks.Task<UserConversationResource> FetchAsync(string pathUserSid, string pathConversationSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserConversationResource> FetchAsync(string pathUserSid, string pathConversationSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUserConversationOptions(pathUserSid, pathConversationSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -235,10 +236,10 @@ public static ResourceSet<UserConversationResource> Read(ReadUserConversationOpt
         /// <param name="options"> Read UserConversation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserConversation </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UserConversationResource>> ReadAsync(ReadUserConversationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UserConversationResource>> ReadAsync(ReadUserConversationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<UserConversationResource>.FromJson("conversations", response.Content);
             return new ResourceSet<UserConversationResource>(page, options, client);
@@ -271,10 +272,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<UserConversationReso
                                                                                              string pathUserSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUserConversationOptions(pathUserSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -363,11 +364,12 @@ public static UserConversationResource Update(UpdateUserConversationOptions opti
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserConversation </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<UserConversationResource> UpdateAsync(UpdateUserConversationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserConversationResource> UpdateAsync(UpdateUserConversationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -407,10 +409,10 @@ public static async System.Threading.Tasks.Task<UserConversationResource> Update
                                                                               UserConversationResource.NotificationLevelEnum notificationLevel = null,
                                                                               DateTime? lastReadTimestamp = null,
                                                                               int? lastReadMessageIndex = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateUserConversationOptions(pathUserSid, pathConversationSid){ NotificationLevel = notificationLevel, LastReadTimestamp = lastReadTimestamp, LastReadMessageIndex = lastReadMessageIndex };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Conversations/V1/UserResource.cs b/src/Twilio/Rest/Conversations/V1/UserResource.cs
index 2b14d0b5f..d37bdede6 100644
--- a/src/Twilio/Rest/Conversations/V1/UserResource.cs
+++ b/src/Twilio/Rest/Conversations/V1/UserResource.cs
@@ -78,10 +78,10 @@ public static UserResource Create(CreateUserOptions options, ITwilioRestClient c
         /// <param name="options"> Create User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> CreateAsync(CreateUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> CreateAsync(CreateUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -121,10 +121,10 @@ public static async System.Threading.Tasks.Task<UserResource> CreateAsync(
                                                                                   string attributes = null,
                                                                                   string roleSid = null,
                                                                                   UserResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateUserOptions(identity){  FriendlyName = friendlyName, Attributes = attributes, RoleSid = roleSid, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -165,11 +165,12 @@ public static bool Delete(DeleteUserOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -191,10 +192,10 @@ public static bool Delete(string pathSid, UserResource.WebhookEnabledTypeEnum xT
         /// <param name="xTwilioWebhookEnabled"> The X-Twilio-Webhook-Enabled HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, UserResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, UserResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteUserOptions(pathSid)  { XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -231,10 +232,10 @@ public static UserResource Fetch(FetchUserOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(FetchUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(FetchUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -255,10 +256,10 @@ public static UserResource Fetch(
         /// <param name="pathSid"> The SID of the User resource to fetch. This value can be either the `sid` or the `identity` of the User resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUserOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -293,10 +294,10 @@ public static ResourceSet<UserResource> Read(ReadUserOptions options, ITwilioRes
         /// <param name="options"> Read User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadAsync(ReadUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadAsync(ReadUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<UserResource>.FromJson("users", response.Content);
             return new ResourceSet<UserResource>(page, options, client);
@@ -325,10 +326,10 @@ public static ResourceSet<UserResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUserOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -415,11 +416,12 @@ public static UserResource Update(UpdateUserOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(UpdateUserOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(UpdateUserOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -459,10 +461,10 @@ public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(
                                                                               string attributes = null,
                                                                               string roleSid = null,
                                                                               UserResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateUserOptions(pathSid){ FriendlyName = friendlyName, Attributes = attributes, RoleSid = roleSid, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Events/V1/EventTypeResource.cs b/src/Twilio/Rest/Events/V1/EventTypeResource.cs
index ba333dfbd..fb7c1250d 100644
--- a/src/Twilio/Rest/Events/V1/EventTypeResource.cs
+++ b/src/Twilio/Rest/Events/V1/EventTypeResource.cs
@@ -67,10 +67,10 @@ public static EventTypeResource Fetch(FetchEventTypeOptions options, ITwilioRest
         /// <param name="options"> Fetch EventType parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EventType </returns>
-        public static async System.Threading.Tasks.Task<EventTypeResource> FetchAsync(FetchEventTypeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EventTypeResource> FetchAsync(FetchEventTypeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static EventTypeResource Fetch(
         /// <param name="pathType"> A string that uniquely identifies this Event Type. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EventType </returns>
-        public static async System.Threading.Tasks.Task<EventTypeResource> FetchAsync(string pathType, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EventTypeResource> FetchAsync(string pathType, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchEventTypeOptions(pathType){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<EventTypeResource> Read(ReadEventTypeOptions options,
         /// <param name="options"> Read EventType parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EventType </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<EventTypeResource>> ReadAsync(ReadEventTypeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<EventTypeResource>> ReadAsync(ReadEventTypeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<EventTypeResource>.FromJson("types", response.Content);
             return new ResourceSet<EventTypeResource>(page, options, client);
@@ -165,10 +165,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<EventTypeResource>>
                                                                                              string schemaId = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadEventTypeOptions(){ SchemaId = schemaId, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Events/V1/Schema/SchemaVersionResource.cs b/src/Twilio/Rest/Events/V1/Schema/SchemaVersionResource.cs
index 9e7a2119a..b952cf65c 100644
--- a/src/Twilio/Rest/Events/V1/Schema/SchemaVersionResource.cs
+++ b/src/Twilio/Rest/Events/V1/Schema/SchemaVersionResource.cs
@@ -69,10 +69,10 @@ public static SchemaVersionResource Fetch(FetchSchemaVersionOptions options, ITw
         /// <param name="options"> Fetch SchemaVersion parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SchemaVersion </returns>
-        public static async System.Threading.Tasks.Task<SchemaVersionResource> FetchAsync(FetchSchemaVersionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SchemaVersionResource> FetchAsync(FetchSchemaVersionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +96,10 @@ public static SchemaVersionResource Fetch(
         /// <param name="pathSchemaVersion"> The version of the schema </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SchemaVersion </returns>
-        public static async System.Threading.Tasks.Task<SchemaVersionResource> FetchAsync(string pathId, int? pathSchemaVersion, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SchemaVersionResource> FetchAsync(string pathId, int? pathSchemaVersion, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSchemaVersionOptions(pathId, pathSchemaVersion){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -136,10 +136,10 @@ public static ResourceSet<SchemaVersionResource> Read(ReadSchemaVersionOptions o
         /// <param name="options"> Read SchemaVersion parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SchemaVersion </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SchemaVersionResource>> ReadAsync(ReadSchemaVersionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SchemaVersionResource>> ReadAsync(ReadSchemaVersionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SchemaVersionResource>.FromJson("schema_versions", response.Content);
             return new ResourceSet<SchemaVersionResource>(page, options, client);
@@ -172,10 +172,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SchemaVersionResourc
                                                                                              string pathId,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSchemaVersionOptions(pathId){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Events/V1/SchemaResource.cs b/src/Twilio/Rest/Events/V1/SchemaResource.cs
index f687d801b..17d539d49 100644
--- a/src/Twilio/Rest/Events/V1/SchemaResource.cs
+++ b/src/Twilio/Rest/Events/V1/SchemaResource.cs
@@ -67,10 +67,10 @@ public static SchemaResource Fetch(FetchSchemaOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Schema parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Schema </returns>
-        public static async System.Threading.Tasks.Task<SchemaResource> FetchAsync(FetchSchemaOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SchemaResource> FetchAsync(FetchSchemaOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static SchemaResource Fetch(
         /// <param name="pathId"> The unique identifier of the schema. Each schema can have multiple versions, that share the same id. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Schema </returns>
-        public static async System.Threading.Tasks.Task<SchemaResource> FetchAsync(string pathId, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SchemaResource> FetchAsync(string pathId, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSchemaOptions(pathId){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Events/V1/Sink/SinkTestResource.cs b/src/Twilio/Rest/Events/V1/Sink/SinkTestResource.cs
index 7b3700f6c..b70b86979 100644
--- a/src/Twilio/Rest/Events/V1/Sink/SinkTestResource.cs
+++ b/src/Twilio/Rest/Events/V1/Sink/SinkTestResource.cs
@@ -68,10 +68,10 @@ public static SinkTestResource Create(CreateSinkTestOptions options, ITwilioRest
         /// <param name="options"> Create SinkTest parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SinkTest </returns>
-        public static async System.Threading.Tasks.Task<SinkTestResource> CreateAsync(CreateSinkTestOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SinkTestResource> CreateAsync(CreateSinkTestOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -95,10 +95,10 @@ public static SinkTestResource Create(
         /// <returns> Task that resolves to A single instance of SinkTest </returns>
         public static async System.Threading.Tasks.Task<SinkTestResource> CreateAsync(
                                                                                   string pathSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSinkTestOptions(pathSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Events/V1/Sink/SinkValidateResource.cs b/src/Twilio/Rest/Events/V1/Sink/SinkValidateResource.cs
index 5106154fe..ba9f02101 100644
--- a/src/Twilio/Rest/Events/V1/Sink/SinkValidateResource.cs
+++ b/src/Twilio/Rest/Events/V1/Sink/SinkValidateResource.cs
@@ -68,10 +68,10 @@ public static SinkValidateResource Create(CreateSinkValidateOptions options, ITw
         /// <param name="options"> Create SinkValidate parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SinkValidate </returns>
-        public static async System.Threading.Tasks.Task<SinkValidateResource> CreateAsync(CreateSinkValidateOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SinkValidateResource> CreateAsync(CreateSinkValidateOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static SinkValidateResource Create(
         public static async System.Threading.Tasks.Task<SinkValidateResource> CreateAsync(
                                                                                   string pathSid,
                                                                                   string testId,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSinkValidateOptions(pathSid, testId){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Events/V1/SinkResource.cs b/src/Twilio/Rest/Events/V1/SinkResource.cs
index 889333b1a..ca65dc95f 100644
--- a/src/Twilio/Rest/Events/V1/SinkResource.cs
+++ b/src/Twilio/Rest/Events/V1/SinkResource.cs
@@ -95,10 +95,10 @@ public static SinkResource Create(CreateSinkOptions options, ITwilioRestClient c
         /// <param name="options"> Create Sink parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sink </returns>
-        public static async System.Threading.Tasks.Task<SinkResource> CreateAsync(CreateSinkOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SinkResource> CreateAsync(CreateSinkOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -130,10 +130,10 @@ public static async System.Threading.Tasks.Task<SinkResource> CreateAsync(
                                                                                   string description,
                                                                                   object sinkConfiguration,
                                                                                   SinkResource.SinkTypeEnum sinkType,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSinkOptions(description, sinkConfiguration, sinkType){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -174,11 +174,12 @@ public static bool Delete(DeleteSinkOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete Sink parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sink </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSinkOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSinkOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -198,10 +199,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Sink. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sink </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSinkOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -238,10 +239,10 @@ public static SinkResource Fetch(FetchSinkOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Sink parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sink </returns>
-        public static async System.Threading.Tasks.Task<SinkResource> FetchAsync(FetchSinkOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SinkResource> FetchAsync(FetchSinkOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -262,10 +263,10 @@ public static SinkResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Sink. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sink </returns>
-        public static async System.Threading.Tasks.Task<SinkResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SinkResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSinkOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -300,10 +301,10 @@ public static ResourceSet<SinkResource> Read(ReadSinkOptions options, ITwilioRes
         /// <param name="options"> Read Sink parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sink </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SinkResource>> ReadAsync(ReadSinkOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SinkResource>> ReadAsync(ReadSinkOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SinkResource>.FromJson("sinks", response.Content);
             return new ResourceSet<SinkResource>(page, options, client);
@@ -340,10 +341,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SinkResource>> ReadA
                                                                                              string status = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSinkOptions(){ InUse = inUse, Status = status, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -430,11 +431,12 @@ public static SinkResource Update(UpdateSinkOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sink </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SinkResource> UpdateAsync(UpdateSinkOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SinkResource> UpdateAsync(UpdateSinkOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -462,10 +464,10 @@ public static SinkResource Update(
         public static async System.Threading.Tasks.Task<SinkResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string description,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSinkOptions(pathSid, description){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Events/V1/Subscription/SubscribedEventResource.cs b/src/Twilio/Rest/Events/V1/Subscription/SubscribedEventResource.cs
index ec6a1fa47..4b6a854f9 100644
--- a/src/Twilio/Rest/Events/V1/Subscription/SubscribedEventResource.cs
+++ b/src/Twilio/Rest/Events/V1/Subscription/SubscribedEventResource.cs
@@ -68,10 +68,10 @@ public static SubscribedEventResource Create(CreateSubscribedEventOptions option
         /// <param name="options"> Create SubscribedEvent parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SubscribedEvent </returns>
-        public static async System.Threading.Tasks.Task<SubscribedEventResource> CreateAsync(CreateSubscribedEventOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SubscribedEventResource> CreateAsync(CreateSubscribedEventOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -103,10 +103,10 @@ public static async System.Threading.Tasks.Task<SubscribedEventResource> CreateA
                                                                                   string pathSubscriptionSid,
                                                                                   string type,
                                                                                   int? schemaVersion = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSubscribedEventOptions(pathSubscriptionSid, type){  SchemaVersion = schemaVersion };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,11 +149,12 @@ public static bool Delete(DeleteSubscribedEventOptions options, ITwilioRestClien
         /// <param name="options"> Delete SubscribedEvent parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SubscribedEvent </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSubscribedEventOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSubscribedEventOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -175,10 +176,10 @@ public static bool Delete(string pathSubscriptionSid, string pathType, ITwilioRe
         /// <param name="pathType"> Type of event being subscribed to. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SubscribedEvent </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSubscriptionSid, string pathType, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSubscriptionSid, string pathType, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSubscribedEventOptions(pathSubscriptionSid, pathType) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -217,10 +218,10 @@ public static SubscribedEventResource Fetch(FetchSubscribedEventOptions options,
         /// <param name="options"> Fetch SubscribedEvent parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SubscribedEvent </returns>
-        public static async System.Threading.Tasks.Task<SubscribedEventResource> FetchAsync(FetchSubscribedEventOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SubscribedEventResource> FetchAsync(FetchSubscribedEventOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -244,10 +245,10 @@ public static SubscribedEventResource Fetch(
         /// <param name="pathType"> Type of event being subscribed to. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SubscribedEvent </returns>
-        public static async System.Threading.Tasks.Task<SubscribedEventResource> FetchAsync(string pathSubscriptionSid, string pathType, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SubscribedEventResource> FetchAsync(string pathSubscriptionSid, string pathType, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSubscribedEventOptions(pathSubscriptionSid, pathType){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -284,10 +285,10 @@ public static ResourceSet<SubscribedEventResource> Read(ReadSubscribedEventOptio
         /// <param name="options"> Read SubscribedEvent parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SubscribedEvent </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SubscribedEventResource>> ReadAsync(ReadSubscribedEventOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SubscribedEventResource>> ReadAsync(ReadSubscribedEventOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SubscribedEventResource>.FromJson("types", response.Content);
             return new ResourceSet<SubscribedEventResource>(page, options, client);
@@ -320,10 +321,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SubscribedEventResou
                                                                                              string pathSubscriptionSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSubscribedEventOptions(pathSubscriptionSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -412,11 +413,12 @@ public static SubscribedEventResource Update(UpdateSubscribedEventOptions option
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SubscribedEvent </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SubscribedEventResource> UpdateAsync(UpdateSubscribedEventOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SubscribedEventResource> UpdateAsync(UpdateSubscribedEventOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -448,10 +450,10 @@ public static async System.Threading.Tasks.Task<SubscribedEventResource> UpdateA
                                                                               string pathSubscriptionSid,
                                                                               string pathType,
                                                                               int? schemaVersion = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSubscribedEventOptions(pathSubscriptionSid, pathType){ SchemaVersion = schemaVersion };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Events/V1/SubscriptionResource.cs b/src/Twilio/Rest/Events/V1/SubscriptionResource.cs
index d9dea740c..fdf1755ef 100644
--- a/src/Twilio/Rest/Events/V1/SubscriptionResource.cs
+++ b/src/Twilio/Rest/Events/V1/SubscriptionResource.cs
@@ -66,10 +66,10 @@ public static SubscriptionResource Create(CreateSubscriptionOptions options, ITw
         /// <param name="options"> Create Subscription parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Subscription </returns>
-        public static async System.Threading.Tasks.Task<SubscriptionResource> CreateAsync(CreateSubscriptionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SubscriptionResource> CreateAsync(CreateSubscriptionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static async System.Threading.Tasks.Task<SubscriptionResource> CreateAsyn
                                                                                   string description,
                                                                                   string sinkSid,
                                                                                   List<object> types,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSubscriptionOptions(description, sinkSid, types){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteSubscriptionOptions options, ITwilioRestClient c
         /// <param name="options"> Delete Subscription parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Subscription </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSubscriptionOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSubscriptionOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -169,10 +170,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Subscription. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Subscription </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSubscriptionOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -209,10 +210,10 @@ public static SubscriptionResource Fetch(FetchSubscriptionOptions options, ITwil
         /// <param name="options"> Fetch Subscription parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Subscription </returns>
-        public static async System.Threading.Tasks.Task<SubscriptionResource> FetchAsync(FetchSubscriptionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SubscriptionResource> FetchAsync(FetchSubscriptionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -233,10 +234,10 @@ public static SubscriptionResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Subscription. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Subscription </returns>
-        public static async System.Threading.Tasks.Task<SubscriptionResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SubscriptionResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSubscriptionOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -271,10 +272,10 @@ public static ResourceSet<SubscriptionResource> Read(ReadSubscriptionOptions opt
         /// <param name="options"> Read Subscription parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Subscription </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SubscriptionResource>> ReadAsync(ReadSubscriptionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SubscriptionResource>> ReadAsync(ReadSubscriptionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SubscriptionResource>.FromJson("subscriptions", response.Content);
             return new ResourceSet<SubscriptionResource>(page, options, client);
@@ -307,10 +308,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SubscriptionResource
                                                                                              string sinkSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSubscriptionOptions(){ SinkSid = sinkSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -397,11 +398,12 @@ public static SubscriptionResource Update(UpdateSubscriptionOptions options, ITw
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Subscription </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SubscriptionResource> UpdateAsync(UpdateSubscriptionOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SubscriptionResource> UpdateAsync(UpdateSubscriptionOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -433,10 +435,10 @@ public static async System.Threading.Tasks.Task<SubscriptionResource> UpdateAsyn
                                                                               string pathSid,
                                                                               string description = null,
                                                                               string sinkSid = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSubscriptionOptions(pathSid){ Description = description, SinkSid = sinkSid };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/AssessmentsResource.cs b/src/Twilio/Rest/FlexApi/V1/AssessmentsResource.cs
index ab0ffcdb4..95a6b80c5 100644
--- a/src/Twilio/Rest/FlexApi/V1/AssessmentsResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/AssessmentsResource.cs
@@ -66,10 +66,10 @@ public static AssessmentsResource Create(CreateAssessmentsOptions options, ITwil
         /// <param name="options"> Create Assessments parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Assessments </returns>
-        public static async System.Threading.Tasks.Task<AssessmentsResource> CreateAsync(CreateAssessmentsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssessmentsResource> CreateAsync(CreateAssessmentsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -133,10 +133,10 @@ public static async System.Threading.Tasks.Task<AssessmentsResource> CreateAsync
                                                                                   string answerId,
                                                                                   string questionnaireSid,
                                                                                   string authorization = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAssessmentsOptions(categorySid, categoryName, segmentId, agentId, offset, metricId, metricName, answerText, answerId, questionnaireSid){  Authorization = authorization };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -171,10 +171,10 @@ public static ResourceSet<AssessmentsResource> Read(ReadAssessmentsOptions optio
         /// <param name="options"> Read Assessments parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Assessments </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AssessmentsResource>> ReadAsync(ReadAssessmentsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AssessmentsResource>> ReadAsync(ReadAssessmentsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AssessmentsResource>.FromJson("assessments", response.Content);
             return new ResourceSet<AssessmentsResource>(page, options, client);
@@ -211,10 +211,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AssessmentsResource>
                                                                                              string segmentId = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAssessmentsOptions(){ Authorization = authorization, SegmentId = segmentId, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -301,11 +301,12 @@ public static AssessmentsResource Update(UpdateAssessmentsOptions options, ITwil
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Assessments </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<AssessmentsResource> UpdateAsync(UpdateAssessmentsOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssessmentsResource> UpdateAsync(UpdateAssessmentsOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -345,10 +346,10 @@ public static async System.Threading.Tasks.Task<AssessmentsResource> UpdateAsync
                                                                               string answerText,
                                                                               string answerId,
                                                                               string authorization = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateAssessmentsOptions(pathAssessmentSid, offset, answerText, answerId){ Authorization = authorization };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/ChannelResource.cs b/src/Twilio/Rest/FlexApi/V1/ChannelResource.cs
index 96b4eaf7a..9105dc74b 100644
--- a/src/Twilio/Rest/FlexApi/V1/ChannelResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/ChannelResource.cs
@@ -66,10 +66,10 @@ public static ChannelResource Create(CreateChannelOptions options, ITwilioRestCl
         /// <param name="options"> Create Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ChannelResource> CreateAsync(CreateChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> CreateAsync(CreateChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -129,10 +129,10 @@ public static async System.Threading.Tasks.Task<ChannelResource> CreateAsync(
                                                                                   string taskSid = null,
                                                                                   string taskAttributes = null,
                                                                                   bool? longLived = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateChannelOptions(flexFlowSid, identity, chatUserFriendlyName, chatFriendlyName){  Target = target, ChatUniqueName = chatUniqueName, PreEngagementData = preEngagementData, TaskSid = taskSid, TaskAttributes = taskAttributes, LongLived = longLived };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -173,11 +173,12 @@ public static bool Delete(DeleteChannelOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteChannelOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteChannelOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -197,10 +198,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the Flex chat channel resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteChannelOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -237,10 +238,10 @@ public static ChannelResource Fetch(FetchChannelOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(FetchChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(FetchChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -261,10 +262,10 @@ public static ChannelResource Fetch(
         /// <param name="pathSid"> The SID of the Flex chat channel resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchChannelOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -299,10 +300,10 @@ public static ResourceSet<ChannelResource> Read(ReadChannelOptions options, ITwi
         /// <param name="options"> Read Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ChannelResource>> ReadAsync(ReadChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ChannelResource>> ReadAsync(ReadChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ChannelResource>.FromJson("flex_chat_channels", response.Content);
             return new ResourceSet<ChannelResource>(page, options, client);
@@ -331,10 +332,10 @@ public static ResourceSet<ChannelResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ChannelResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadChannelOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/FlexApi/V1/ConfigurationResource.cs b/src/Twilio/Rest/FlexApi/V1/ConfigurationResource.cs
index 40081b59f..8e2329bd8 100644
--- a/src/Twilio/Rest/FlexApi/V1/ConfigurationResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/ConfigurationResource.cs
@@ -79,10 +79,10 @@ public static ConfigurationResource Fetch(FetchConfigurationOptions options, ITw
         /// <param name="options"> Fetch Configuration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Configuration </returns>
-        public static async System.Threading.Tasks.Task<ConfigurationResource> FetchAsync(FetchConfigurationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConfigurationResource> FetchAsync(FetchConfigurationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -103,10 +103,10 @@ public static ConfigurationResource Fetch(
         /// <param name="uiVersion"> The Pinned UI version of the Configuration resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Configuration </returns>
-        public static async System.Threading.Tasks.Task<ConfigurationResource> FetchAsync(string uiVersion = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConfigurationResource> FetchAsync(string uiVersion = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchConfigurationOptions(){ UiVersion = uiVersion };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -143,11 +143,12 @@ public static ConfigurationResource Update(UpdateConfigurationOptions options, I
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Configuration </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ConfigurationResource> UpdateAsync(UpdateConfigurationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConfigurationResource> UpdateAsync(UpdateConfigurationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -167,10 +168,11 @@ public static ConfigurationResource Update(
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Configuration </returns>
         public static async System.Threading.Tasks.Task<ConfigurationResource> UpdateAsync(
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null,
+                                                                                System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateConfigurationOptions(){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/FlexFlowResource.cs b/src/Twilio/Rest/FlexApi/V1/FlexFlowResource.cs
index c947203ff..3257ac606 100644
--- a/src/Twilio/Rest/FlexApi/V1/FlexFlowResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/FlexFlowResource.cs
@@ -97,10 +97,10 @@ public static FlexFlowResource Create(CreateFlexFlowOptions options, ITwilioRest
         /// <param name="options"> Create FlexFlow parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlexFlow </returns>
-        public static async System.Threading.Tasks.Task<FlexFlowResource> CreateAsync(CreateFlexFlowOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlexFlowResource> CreateAsync(CreateFlexFlowOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -188,10 +188,10 @@ public static async System.Threading.Tasks.Task<FlexFlowResource> CreateAsync(
                                                                                   bool? longLived = null,
                                                                                   bool? janitorEnabled = null,
                                                                                   int? integrationRetryCount = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateFlexFlowOptions(friendlyName, chatServiceSid, channelType){  ContactIdentity = contactIdentity, Enabled = enabled, IntegrationType = integrationType, IntegrationFlowSid = integrationFlowSid, IntegrationUrl = integrationUrl, IntegrationWorkspaceSid = integrationWorkspaceSid, IntegrationWorkflowSid = integrationWorkflowSid, IntegrationChannel = integrationChannel, IntegrationTimeout = integrationTimeout, IntegrationPriority = integrationPriority, IntegrationCreationOnMessage = integrationCreationOnMessage, LongLived = longLived, JanitorEnabled = janitorEnabled, IntegrationRetryCount = integrationRetryCount };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -232,11 +232,12 @@ public static bool Delete(DeleteFlexFlowOptions options, ITwilioRestClient clien
         /// <param name="options"> Delete FlexFlow parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlexFlow </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteFlexFlowOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteFlexFlowOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -256,10 +257,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the Flex Flow resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlexFlow </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteFlexFlowOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -296,10 +297,10 @@ public static FlexFlowResource Fetch(FetchFlexFlowOptions options, ITwilioRestCl
         /// <param name="options"> Fetch FlexFlow parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlexFlow </returns>
-        public static async System.Threading.Tasks.Task<FlexFlowResource> FetchAsync(FetchFlexFlowOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlexFlowResource> FetchAsync(FetchFlexFlowOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -320,10 +321,10 @@ public static FlexFlowResource Fetch(
         /// <param name="pathSid"> The SID of the Flex Flow resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlexFlow </returns>
-        public static async System.Threading.Tasks.Task<FlexFlowResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlexFlowResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchFlexFlowOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -358,10 +359,10 @@ public static ResourceSet<FlexFlowResource> Read(ReadFlexFlowOptions options, IT
         /// <param name="options"> Read FlexFlow parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlexFlow </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<FlexFlowResource>> ReadAsync(ReadFlexFlowOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<FlexFlowResource>> ReadAsync(ReadFlexFlowOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<FlexFlowResource>.FromJson("flex_flows", response.Content);
             return new ResourceSet<FlexFlowResource>(page, options, client);
@@ -394,10 +395,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<FlexFlowResource>> R
                                                                                              string friendlyName = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadFlexFlowOptions(){ FriendlyName = friendlyName, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -484,11 +485,12 @@ public static FlexFlowResource Update(UpdateFlexFlowOptions options, ITwilioRest
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlexFlow </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<FlexFlowResource> UpdateAsync(UpdateFlexFlowOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlexFlowResource> UpdateAsync(UpdateFlexFlowOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -580,10 +582,10 @@ public static async System.Threading.Tasks.Task<FlexFlowResource> UpdateAsync(
                                                                               bool? longLived = null,
                                                                               bool? janitorEnabled = null,
                                                                               int? integrationRetryCount = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateFlexFlowOptions(pathSid){ FriendlyName = friendlyName, ChatServiceSid = chatServiceSid, ChannelType = channelType, ContactIdentity = contactIdentity, Enabled = enabled, IntegrationType = integrationType, IntegrationFlowSid = integrationFlowSid, IntegrationUrl = integrationUrl, IntegrationWorkspaceSid = integrationWorkspaceSid, IntegrationWorkflowSid = integrationWorkflowSid, IntegrationChannel = integrationChannel, IntegrationTimeout = integrationTimeout, IntegrationPriority = integrationPriority, IntegrationCreationOnMessage = integrationCreationOnMessage, LongLived = longLived, JanitorEnabled = janitorEnabled, IntegrationRetryCount = integrationRetryCount };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/InsightsAssessmentsCommentResource.cs b/src/Twilio/Rest/FlexApi/V1/InsightsAssessmentsCommentResource.cs
index b6e31afbb..7ff54151c 100644
--- a/src/Twilio/Rest/FlexApi/V1/InsightsAssessmentsCommentResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/InsightsAssessmentsCommentResource.cs
@@ -66,10 +66,10 @@ public static InsightsAssessmentsCommentResource Create(CreateInsightsAssessment
         /// <param name="options"> Create InsightsAssessmentsComment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsAssessmentsComment </returns>
-        public static async System.Threading.Tasks.Task<InsightsAssessmentsCommentResource> CreateAsync(CreateInsightsAssessmentsCommentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InsightsAssessmentsCommentResource> CreateAsync(CreateInsightsAssessmentsCommentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -117,10 +117,10 @@ public static async System.Threading.Tasks.Task<InsightsAssessmentsCommentResour
                                                                                   string agentId,
                                                                                   decimal? offset,
                                                                                   string authorization = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateInsightsAssessmentsCommentOptions(categoryId, categoryName, comment, segmentId, agentId, offset){  Authorization = authorization };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -155,10 +155,10 @@ public static ResourceSet<InsightsAssessmentsCommentResource> Read(ReadInsightsA
         /// <param name="options"> Read InsightsAssessmentsComment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsAssessmentsComment </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InsightsAssessmentsCommentResource>> ReadAsync(ReadInsightsAssessmentsCommentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InsightsAssessmentsCommentResource>> ReadAsync(ReadInsightsAssessmentsCommentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InsightsAssessmentsCommentResource>.FromJson("comments", response.Content);
             return new ResourceSet<InsightsAssessmentsCommentResource>(page, options, client);
@@ -199,10 +199,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<InsightsAssessmentsC
                                                                                              string agentId = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInsightsAssessmentsCommentOptions(){ Authorization = authorization, SegmentId = segmentId, AgentId = agentId, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/FlexApi/V1/InsightsConversationsResource.cs b/src/Twilio/Rest/FlexApi/V1/InsightsConversationsResource.cs
index 8b3fb0188..8ab63592d 100644
--- a/src/Twilio/Rest/FlexApi/V1/InsightsConversationsResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/InsightsConversationsResource.cs
@@ -65,10 +65,10 @@ public static ResourceSet<InsightsConversationsResource> Read(ReadInsightsConver
         /// <param name="options"> Read InsightsConversations parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsConversations </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InsightsConversationsResource>> ReadAsync(ReadInsightsConversationsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InsightsConversationsResource>> ReadAsync(ReadInsightsConversationsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InsightsConversationsResource>.FromJson("conversations", response.Content);
             return new ResourceSet<InsightsConversationsResource>(page, options, client);
@@ -105,10 +105,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<InsightsConversation
                                                                                              string segmentId = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInsightsConversationsOptions(){ Authorization = authorization, SegmentId = segmentId, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/FlexApi/V1/InsightsQuestionnairesCategoryResource.cs b/src/Twilio/Rest/FlexApi/V1/InsightsQuestionnairesCategoryResource.cs
index 93f4ac98e..2b0db1ba8 100644
--- a/src/Twilio/Rest/FlexApi/V1/InsightsQuestionnairesCategoryResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/InsightsQuestionnairesCategoryResource.cs
@@ -66,10 +66,10 @@ public static InsightsQuestionnairesCategoryResource Create(CreateInsightsQuesti
         /// <param name="options"> Create InsightsQuestionnairesCategory parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnairesCategory </returns>
-        public static async System.Threading.Tasks.Task<InsightsQuestionnairesCategoryResource> CreateAsync(CreateInsightsQuestionnairesCategoryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InsightsQuestionnairesCategoryResource> CreateAsync(CreateInsightsQuestionnairesCategoryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -97,10 +97,10 @@ public static InsightsQuestionnairesCategoryResource Create(
         public static async System.Threading.Tasks.Task<InsightsQuestionnairesCategoryResource> CreateAsync(
                                                                                   string name,
                                                                                   string authorization = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateInsightsQuestionnairesCategoryOptions(name){  Authorization = authorization };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -141,11 +141,12 @@ public static bool Delete(DeleteInsightsQuestionnairesCategoryOptions options, I
         /// <param name="options"> Delete InsightsQuestionnairesCategory parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnairesCategory </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInsightsQuestionnairesCategoryOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInsightsQuestionnairesCategoryOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -167,10 +168,10 @@ public static bool Delete(string pathCategorySid, string authorization = null, I
         /// <param name="authorization"> The Authorization HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnairesCategory </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathCategorySid, string authorization = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathCategorySid, string authorization = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteInsightsQuestionnairesCategoryOptions(pathCategorySid)  { Authorization = authorization };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -205,10 +206,10 @@ public static ResourceSet<InsightsQuestionnairesCategoryResource> Read(ReadInsig
         /// <param name="options"> Read InsightsQuestionnairesCategory parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnairesCategory </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InsightsQuestionnairesCategoryResource>> ReadAsync(ReadInsightsQuestionnairesCategoryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InsightsQuestionnairesCategoryResource>> ReadAsync(ReadInsightsQuestionnairesCategoryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InsightsQuestionnairesCategoryResource>.FromJson("categories", response.Content);
             return new ResourceSet<InsightsQuestionnairesCategoryResource>(page, options, client);
@@ -241,10 +242,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<InsightsQuestionnair
                                                                                              string authorization = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInsightsQuestionnairesCategoryOptions(){ Authorization = authorization, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -331,11 +332,12 @@ public static InsightsQuestionnairesCategoryResource Update(UpdateInsightsQuesti
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnairesCategory </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<InsightsQuestionnairesCategoryResource> UpdateAsync(UpdateInsightsQuestionnairesCategoryOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InsightsQuestionnairesCategoryResource> UpdateAsync(UpdateInsightsQuestionnairesCategoryOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -367,10 +369,10 @@ public static async System.Threading.Tasks.Task<InsightsQuestionnairesCategoryRe
                                                                               string pathCategorySid,
                                                                               string name,
                                                                               string authorization = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateInsightsQuestionnairesCategoryOptions(pathCategorySid, name){ Authorization = authorization };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/InsightsQuestionnairesQuestionResource.cs b/src/Twilio/Rest/FlexApi/V1/InsightsQuestionnairesQuestionResource.cs
index 61503db86..75b5e60ca 100644
--- a/src/Twilio/Rest/FlexApi/V1/InsightsQuestionnairesQuestionResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/InsightsQuestionnairesQuestionResource.cs
@@ -66,10 +66,10 @@ public static InsightsQuestionnairesQuestionResource Create(CreateInsightsQuesti
         /// <param name="options"> Create InsightsQuestionnairesQuestion parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnairesQuestion </returns>
-        public static async System.Threading.Tasks.Task<InsightsQuestionnairesQuestionResource> CreateAsync(CreateInsightsQuestionnairesQuestionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InsightsQuestionnairesQuestionResource> CreateAsync(CreateInsightsQuestionnairesQuestionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -113,10 +113,10 @@ public static async System.Threading.Tasks.Task<InsightsQuestionnairesQuestionRe
                                                                                   bool? allowNa,
                                                                                   string description = null,
                                                                                   string authorization = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateInsightsQuestionnairesQuestionOptions(categorySid, question, answerSetId, allowNa){  Description = description, Authorization = authorization };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,11 +157,12 @@ public static bool Delete(DeleteInsightsQuestionnairesQuestionOptions options, I
         /// <param name="options"> Delete InsightsQuestionnairesQuestion parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnairesQuestion </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInsightsQuestionnairesQuestionOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInsightsQuestionnairesQuestionOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -183,10 +184,10 @@ public static bool Delete(string pathQuestionSid, string authorization = null, I
         /// <param name="authorization"> The Authorization HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnairesQuestion </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathQuestionSid, string authorization = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathQuestionSid, string authorization = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteInsightsQuestionnairesQuestionOptions(pathQuestionSid)  { Authorization = authorization };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -221,10 +222,10 @@ public static ResourceSet<InsightsQuestionnairesQuestionResource> Read(ReadInsig
         /// <param name="options"> Read InsightsQuestionnairesQuestion parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnairesQuestion </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InsightsQuestionnairesQuestionResource>> ReadAsync(ReadInsightsQuestionnairesQuestionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InsightsQuestionnairesQuestionResource>> ReadAsync(ReadInsightsQuestionnairesQuestionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InsightsQuestionnairesQuestionResource>.FromJson("questions", response.Content);
             return new ResourceSet<InsightsQuestionnairesQuestionResource>(page, options, client);
@@ -261,10 +262,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<InsightsQuestionnair
                                                                                              List<string> categorySid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInsightsQuestionnairesQuestionOptions(){ Authorization = authorization, CategorySid = categorySid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -351,11 +352,12 @@ public static InsightsQuestionnairesQuestionResource Update(UpdateInsightsQuesti
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnairesQuestion </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<InsightsQuestionnairesQuestionResource> UpdateAsync(UpdateInsightsQuestionnairesQuestionOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InsightsQuestionnairesQuestionResource> UpdateAsync(UpdateInsightsQuestionnairesQuestionOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -403,10 +405,10 @@ public static async System.Threading.Tasks.Task<InsightsQuestionnairesQuestionRe
                                                                               string description = null,
                                                                               string answerSetId = null,
                                                                               string authorization = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateInsightsQuestionnairesQuestionOptions(pathQuestionSid, allowNa){ CategorySid = categorySid, Question = question, Description = description, AnswerSetId = answerSetId, Authorization = authorization };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/InsightsQuestionnairesResource.cs b/src/Twilio/Rest/FlexApi/V1/InsightsQuestionnairesResource.cs
index ae9fbf6ef..26a67b02e 100644
--- a/src/Twilio/Rest/FlexApi/V1/InsightsQuestionnairesResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/InsightsQuestionnairesResource.cs
@@ -66,10 +66,10 @@ public static InsightsQuestionnairesResource Create(CreateInsightsQuestionnaires
         /// <param name="options"> Create InsightsQuestionnaires parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnaires </returns>
-        public static async System.Threading.Tasks.Task<InsightsQuestionnairesResource> CreateAsync(CreateInsightsQuestionnairesOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InsightsQuestionnairesResource> CreateAsync(CreateInsightsQuestionnairesOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -109,10 +109,10 @@ public static async System.Threading.Tasks.Task<InsightsQuestionnairesResource>
                                                                                   bool? active = null,
                                                                                   List<string> questionSids = null,
                                                                                   string authorization = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateInsightsQuestionnairesOptions(name){  Description = description, Active = active, QuestionSids = questionSids, Authorization = authorization };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -153,11 +153,12 @@ public static bool Delete(DeleteInsightsQuestionnairesOptions options, ITwilioRe
         /// <param name="options"> Delete InsightsQuestionnaires parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnaires </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInsightsQuestionnairesOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInsightsQuestionnairesOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -179,10 +180,10 @@ public static bool Delete(string pathQuestionnaireSid, string authorization = nu
         /// <param name="authorization"> The Authorization HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnaires </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathQuestionnaireSid, string authorization = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathQuestionnaireSid, string authorization = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteInsightsQuestionnairesOptions(pathQuestionnaireSid)  { Authorization = authorization };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -219,10 +220,10 @@ public static InsightsQuestionnairesResource Fetch(FetchInsightsQuestionnairesOp
         /// <param name="options"> Fetch InsightsQuestionnaires parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnaires </returns>
-        public static async System.Threading.Tasks.Task<InsightsQuestionnairesResource> FetchAsync(FetchInsightsQuestionnairesOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InsightsQuestionnairesResource> FetchAsync(FetchInsightsQuestionnairesOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -246,10 +247,10 @@ public static InsightsQuestionnairesResource Fetch(
         /// <param name="authorization"> The Authorization HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnaires </returns>
-        public static async System.Threading.Tasks.Task<InsightsQuestionnairesResource> FetchAsync(string pathQuestionnaireSid, string authorization = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InsightsQuestionnairesResource> FetchAsync(string pathQuestionnaireSid, string authorization = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchInsightsQuestionnairesOptions(pathQuestionnaireSid){ Authorization = authorization };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -284,10 +285,10 @@ public static ResourceSet<InsightsQuestionnairesResource> Read(ReadInsightsQuest
         /// <param name="options"> Read InsightsQuestionnaires parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnaires </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InsightsQuestionnairesResource>> ReadAsync(ReadInsightsQuestionnairesOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InsightsQuestionnairesResource>> ReadAsync(ReadInsightsQuestionnairesOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InsightsQuestionnairesResource>.FromJson("questionnaires", response.Content);
             return new ResourceSet<InsightsQuestionnairesResource>(page, options, client);
@@ -324,10 +325,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<InsightsQuestionnair
                                                                                              bool? includeInactive = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInsightsQuestionnairesOptions(){ Authorization = authorization, IncludeInactive = includeInactive, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -414,11 +415,12 @@ public static InsightsQuestionnairesResource Update(UpdateInsightsQuestionnaires
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsQuestionnaires </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<InsightsQuestionnairesResource> UpdateAsync(UpdateInsightsQuestionnairesOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InsightsQuestionnairesResource> UpdateAsync(UpdateInsightsQuestionnairesOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -462,10 +464,10 @@ public static async System.Threading.Tasks.Task<InsightsQuestionnairesResource>
                                                                               string description = null,
                                                                               List<string> questionSids = null,
                                                                               string authorization = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateInsightsQuestionnairesOptions(pathQuestionnaireSid, active){ Name = name, Description = description, QuestionSids = questionSids, Authorization = authorization };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/InsightsSegmentsResource.cs b/src/Twilio/Rest/FlexApi/V1/InsightsSegmentsResource.cs
index dc22fa09f..53dd2dfb8 100644
--- a/src/Twilio/Rest/FlexApi/V1/InsightsSegmentsResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/InsightsSegmentsResource.cs
@@ -65,10 +65,10 @@ public static ResourceSet<InsightsSegmentsResource> Read(ReadInsightsSegmentsOpt
         /// <param name="options"> Read InsightsSegments parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsSegments </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InsightsSegmentsResource>> ReadAsync(ReadInsightsSegmentsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InsightsSegmentsResource>> ReadAsync(ReadInsightsSegmentsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InsightsSegmentsResource>.FromJson("segments", response.Content);
             return new ResourceSet<InsightsSegmentsResource>(page, options, client);
@@ -109,10 +109,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<InsightsSegmentsReso
                                                                                              List<string> reservationId = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInsightsSegmentsOptions(){ Authorization = authorization, SegmentId = segmentId, ReservationId = reservationId, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/FlexApi/V1/InsightsSessionResource.cs b/src/Twilio/Rest/FlexApi/V1/InsightsSessionResource.cs
index fb84125ae..fe5fbd7d0 100644
--- a/src/Twilio/Rest/FlexApi/V1/InsightsSessionResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/InsightsSessionResource.cs
@@ -66,10 +66,10 @@ public static InsightsSessionResource Create(CreateInsightsSessionOptions option
         /// <param name="options"> Create InsightsSession parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsSession </returns>
-        public static async System.Threading.Tasks.Task<InsightsSessionResource> CreateAsync(CreateInsightsSessionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InsightsSessionResource> CreateAsync(CreateInsightsSessionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -93,10 +93,10 @@ public static InsightsSessionResource Create(
         /// <returns> Task that resolves to A single instance of InsightsSession </returns>
         public static async System.Threading.Tasks.Task<InsightsSessionResource> CreateAsync(
                                                                                   string authorization = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateInsightsSessionOptions(){  Authorization = authorization };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/InsightsSettingsAnswerSetsResource.cs b/src/Twilio/Rest/FlexApi/V1/InsightsSettingsAnswerSetsResource.cs
index fb86fa36f..5ad2bfcb1 100644
--- a/src/Twilio/Rest/FlexApi/V1/InsightsSettingsAnswerSetsResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/InsightsSettingsAnswerSetsResource.cs
@@ -65,10 +65,10 @@ public static InsightsSettingsAnswerSetsResource Fetch(FetchInsightsSettingsAnsw
         /// <param name="options"> Fetch InsightsSettingsAnswerSets parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsSettingsAnswerSets </returns>
-        public static async System.Threading.Tasks.Task<InsightsSettingsAnswerSetsResource> FetchAsync(FetchInsightsSettingsAnswerSetsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InsightsSettingsAnswerSetsResource> FetchAsync(FetchInsightsSettingsAnswerSetsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -89,10 +89,10 @@ public static InsightsSettingsAnswerSetsResource Fetch(
         /// <param name="authorization"> The Authorization HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsSettingsAnswerSets </returns>
-        public static async System.Threading.Tasks.Task<InsightsSettingsAnswerSetsResource> FetchAsync(string authorization = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InsightsSettingsAnswerSetsResource> FetchAsync(string authorization = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchInsightsSettingsAnswerSetsOptions(){ Authorization = authorization };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/InsightsSettingsCommentResource.cs b/src/Twilio/Rest/FlexApi/V1/InsightsSettingsCommentResource.cs
index ad9c72499..ad4ed54b4 100644
--- a/src/Twilio/Rest/FlexApi/V1/InsightsSettingsCommentResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/InsightsSettingsCommentResource.cs
@@ -65,10 +65,10 @@ public static InsightsSettingsCommentResource Fetch(FetchInsightsSettingsComment
         /// <param name="options"> Fetch InsightsSettingsComment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsSettingsComment </returns>
-        public static async System.Threading.Tasks.Task<InsightsSettingsCommentResource> FetchAsync(FetchInsightsSettingsCommentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InsightsSettingsCommentResource> FetchAsync(FetchInsightsSettingsCommentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -89,10 +89,10 @@ public static InsightsSettingsCommentResource Fetch(
         /// <param name="authorization"> The Authorization HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsSettingsComment </returns>
-        public static async System.Threading.Tasks.Task<InsightsSettingsCommentResource> FetchAsync(string authorization = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InsightsSettingsCommentResource> FetchAsync(string authorization = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchInsightsSettingsCommentOptions(){ Authorization = authorization };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/InsightsUserRolesResource.cs b/src/Twilio/Rest/FlexApi/V1/InsightsUserRolesResource.cs
index c076acef6..77e0227ef 100644
--- a/src/Twilio/Rest/FlexApi/V1/InsightsUserRolesResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/InsightsUserRolesResource.cs
@@ -65,10 +65,10 @@ public static InsightsUserRolesResource Fetch(FetchInsightsUserRolesOptions opti
         /// <param name="options"> Fetch InsightsUserRoles parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsUserRoles </returns>
-        public static async System.Threading.Tasks.Task<InsightsUserRolesResource> FetchAsync(FetchInsightsUserRolesOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InsightsUserRolesResource> FetchAsync(FetchInsightsUserRolesOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -89,10 +89,10 @@ public static InsightsUserRolesResource Fetch(
         /// <param name="authorization"> The Authorization HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InsightsUserRoles </returns>
-        public static async System.Threading.Tasks.Task<InsightsUserRolesResource> FetchAsync(string authorization = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InsightsUserRolesResource> FetchAsync(string authorization = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchInsightsUserRolesOptions(){ Authorization = authorization };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/Interaction/InteractionChannel/InteractionChannelInviteResource.cs b/src/Twilio/Rest/FlexApi/V1/Interaction/InteractionChannel/InteractionChannelInviteResource.cs
index f3d2309a0..9a32521d5 100644
--- a/src/Twilio/Rest/FlexApi/V1/Interaction/InteractionChannel/InteractionChannelInviteResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/Interaction/InteractionChannel/InteractionChannelInviteResource.cs
@@ -70,10 +70,10 @@ public static InteractionChannelInviteResource Create(CreateInteractionChannelIn
         /// <param name="options"> Create InteractionChannelInvite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InteractionChannelInvite </returns>
-        public static async System.Threading.Tasks.Task<InteractionChannelInviteResource> CreateAsync(CreateInteractionChannelInviteOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InteractionChannelInviteResource> CreateAsync(CreateInteractionChannelInviteOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -105,10 +105,10 @@ public static async System.Threading.Tasks.Task<InteractionChannelInviteResource
                                                                                   string pathInteractionSid,
                                                                                   string pathChannelSid,
                                                                                   object routing,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateInteractionChannelInviteOptions(pathInteractionSid, pathChannelSid, routing){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -147,10 +147,10 @@ public static ResourceSet<InteractionChannelInviteResource> Read(ReadInteraction
         /// <param name="options"> Read InteractionChannelInvite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InteractionChannelInvite </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InteractionChannelInviteResource>> ReadAsync(ReadInteractionChannelInviteOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InteractionChannelInviteResource>> ReadAsync(ReadInteractionChannelInviteOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InteractionChannelInviteResource>.FromJson("invites", response.Content);
             return new ResourceSet<InteractionChannelInviteResource>(page, options, client);
@@ -187,10 +187,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<InteractionChannelIn
                                                                                              string pathChannelSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInteractionChannelInviteOptions(pathInteractionSid, pathChannelSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/FlexApi/V1/Interaction/InteractionChannel/InteractionChannelParticipantResource.cs b/src/Twilio/Rest/FlexApi/V1/Interaction/InteractionChannel/InteractionChannelParticipantResource.cs
index d66c9b5a1..e8719d863 100644
--- a/src/Twilio/Rest/FlexApi/V1/Interaction/InteractionChannel/InteractionChannelParticipantResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/Interaction/InteractionChannel/InteractionChannelParticipantResource.cs
@@ -98,10 +98,10 @@ public static InteractionChannelParticipantResource Create(CreateInteractionChan
         /// <param name="options"> Create InteractionChannelParticipant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InteractionChannelParticipant </returns>
-        public static async System.Threading.Tasks.Task<InteractionChannelParticipantResource> CreateAsync(CreateInteractionChannelParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InteractionChannelParticipantResource> CreateAsync(CreateInteractionChannelParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -141,10 +141,10 @@ public static async System.Threading.Tasks.Task<InteractionChannelParticipantRes
                                                                                   InteractionChannelParticipantResource.TypeEnum type,
                                                                                   object mediaProperties,
                                                                                   object routingProperties = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateInteractionChannelParticipantOptions(pathInteractionSid, pathChannelSid, type, mediaProperties){  RoutingProperties = routingProperties };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -183,10 +183,10 @@ public static ResourceSet<InteractionChannelParticipantResource> Read(ReadIntera
         /// <param name="options"> Read InteractionChannelParticipant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InteractionChannelParticipant </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InteractionChannelParticipantResource>> ReadAsync(ReadInteractionChannelParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InteractionChannelParticipantResource>> ReadAsync(ReadInteractionChannelParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InteractionChannelParticipantResource>.FromJson("participants", response.Content);
             return new ResourceSet<InteractionChannelParticipantResource>(page, options, client);
@@ -223,10 +223,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<InteractionChannelPa
                                                                                              string pathChannelSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInteractionChannelParticipantOptions(pathInteractionSid, pathChannelSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -317,11 +317,12 @@ public static InteractionChannelParticipantResource Update(UpdateInteractionChan
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InteractionChannelParticipant </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<InteractionChannelParticipantResource> UpdateAsync(UpdateInteractionChannelParticipantOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InteractionChannelParticipantResource> UpdateAsync(UpdateInteractionChannelParticipantOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -357,10 +358,10 @@ public static async System.Threading.Tasks.Task<InteractionChannelParticipantRes
                                                                               string pathChannelSid,
                                                                               string pathSid,
                                                                               InteractionChannelParticipantResource.StatusEnum status,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateInteractionChannelParticipantOptions(pathInteractionSid, pathChannelSid, pathSid, status){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/Interaction/InteractionChannelResource.cs b/src/Twilio/Rest/FlexApi/V1/Interaction/InteractionChannelResource.cs
index f50f50065..abb6cc6c1 100644
--- a/src/Twilio/Rest/FlexApi/V1/Interaction/InteractionChannelResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/Interaction/InteractionChannelResource.cs
@@ -116,10 +116,10 @@ public static InteractionChannelResource Fetch(FetchInteractionChannelOptions op
         /// <param name="options"> Fetch InteractionChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InteractionChannel </returns>
-        public static async System.Threading.Tasks.Task<InteractionChannelResource> FetchAsync(FetchInteractionChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InteractionChannelResource> FetchAsync(FetchInteractionChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -143,10 +143,10 @@ public static InteractionChannelResource Fetch(
         /// <param name="pathSid"> The unique string created by Twilio to identify an Interaction Channel resource, prefixed with UO. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InteractionChannel </returns>
-        public static async System.Threading.Tasks.Task<InteractionChannelResource> FetchAsync(string pathInteractionSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InteractionChannelResource> FetchAsync(string pathInteractionSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchInteractionChannelOptions(pathInteractionSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -183,10 +183,10 @@ public static ResourceSet<InteractionChannelResource> Read(ReadInteractionChanne
         /// <param name="options"> Read InteractionChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InteractionChannel </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InteractionChannelResource>> ReadAsync(ReadInteractionChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InteractionChannelResource>> ReadAsync(ReadInteractionChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InteractionChannelResource>.FromJson("channels", response.Content);
             return new ResourceSet<InteractionChannelResource>(page, options, client);
@@ -219,10 +219,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<InteractionChannelRe
                                                                                              string pathInteractionSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInteractionChannelOptions(pathInteractionSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -311,11 +311,12 @@ public static InteractionChannelResource Update(UpdateInteractionChannelOptions
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InteractionChannel </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<InteractionChannelResource> UpdateAsync(UpdateInteractionChannelOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InteractionChannelResource> UpdateAsync(UpdateInteractionChannelOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -351,10 +352,10 @@ public static async System.Threading.Tasks.Task<InteractionChannelResource> Upda
                                                                               string pathSid,
                                                                               InteractionChannelResource.UpdateChannelStatusEnum status,
                                                                               object routing = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateInteractionChannelOptions(pathInteractionSid, pathSid, status){ Routing = routing };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/InteractionResource.cs b/src/Twilio/Rest/FlexApi/V1/InteractionResource.cs
index 20f350a9a..eb9ed53b1 100644
--- a/src/Twilio/Rest/FlexApi/V1/InteractionResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/InteractionResource.cs
@@ -66,10 +66,10 @@ public static InteractionResource Create(CreateInteractionOptions options, ITwil
         /// <param name="options"> Create Interaction parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Interaction </returns>
-        public static async System.Threading.Tasks.Task<InteractionResource> CreateAsync(CreateInteractionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InteractionResource> CreateAsync(CreateInteractionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static async System.Threading.Tasks.Task<InteractionResource> CreateAsync
                                                                                   object channel,
                                                                                   object routing = null,
                                                                                   string interactionContextSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateInteractionOptions(channel){  Routing = routing, InteractionContextSid = interactionContextSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -141,10 +141,10 @@ public static InteractionResource Fetch(FetchInteractionOptions options, ITwilio
         /// <param name="options"> Fetch Interaction parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Interaction </returns>
-        public static async System.Threading.Tasks.Task<InteractionResource> FetchAsync(FetchInteractionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InteractionResource> FetchAsync(FetchInteractionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -165,10 +165,10 @@ public static InteractionResource Fetch(
         /// <param name="pathSid"> The SID of the Interaction resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Interaction </returns>
-        public static async System.Threading.Tasks.Task<InteractionResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InteractionResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchInteractionOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/Plugin/PluginVersionsResource.cs b/src/Twilio/Rest/FlexApi/V1/Plugin/PluginVersionsResource.cs
index d48dc144e..278460000 100644
--- a/src/Twilio/Rest/FlexApi/V1/Plugin/PluginVersionsResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/Plugin/PluginVersionsResource.cs
@@ -68,10 +68,10 @@ public static PluginVersionsResource Create(CreatePluginVersionsOptions options,
         /// <param name="options"> Create PluginVersions parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PluginVersions </returns>
-        public static async System.Threading.Tasks.Task<PluginVersionsResource> CreateAsync(CreatePluginVersionsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PluginVersionsResource> CreateAsync(CreatePluginVersionsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -123,10 +123,10 @@ public static async System.Threading.Tasks.Task<PluginVersionsResource> CreateAs
                                                                                   string cliVersion = null,
                                                                                   string validateStatus = null,
                                                                                   string flexMetadata = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreatePluginVersionsOptions(pathPluginSid, version, pluginUrl){  Changelog = changelog, Private = _private, CliVersion = cliVersion, ValidateStatus = validateStatus, FlexMetadata = flexMetadata };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -165,10 +165,10 @@ public static PluginVersionsResource Fetch(FetchPluginVersionsOptions options, I
         /// <param name="options"> Fetch PluginVersions parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PluginVersions </returns>
-        public static async System.Threading.Tasks.Task<PluginVersionsResource> FetchAsync(FetchPluginVersionsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PluginVersionsResource> FetchAsync(FetchPluginVersionsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -195,10 +195,10 @@ public static PluginVersionsResource Fetch(
         /// <param name="flexMetadata"> The Flex-Metadata HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PluginVersions </returns>
-        public static async System.Threading.Tasks.Task<PluginVersionsResource> FetchAsync(string pathPluginSid, string pathSid, string flexMetadata = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PluginVersionsResource> FetchAsync(string pathPluginSid, string pathSid, string flexMetadata = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPluginVersionsOptions(pathPluginSid, pathSid){ FlexMetadata = flexMetadata };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -235,10 +235,10 @@ public static ResourceSet<PluginVersionsResource> Read(ReadPluginVersionsOptions
         /// <param name="options"> Read PluginVersions parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PluginVersions </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<PluginVersionsResource>> ReadAsync(ReadPluginVersionsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<PluginVersionsResource>> ReadAsync(ReadPluginVersionsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<PluginVersionsResource>.FromJson("plugin_versions", response.Content);
             return new ResourceSet<PluginVersionsResource>(page, options, client);
@@ -275,10 +275,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<PluginVersionsResour
                                                                                              string flexMetadata = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadPluginVersionsOptions(pathPluginSid){ FlexMetadata = flexMetadata, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/FlexApi/V1/PluginArchiveResource.cs b/src/Twilio/Rest/FlexApi/V1/PluginArchiveResource.cs
index 1ac63fa8a..78d961fc0 100644
--- a/src/Twilio/Rest/FlexApi/V1/PluginArchiveResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/PluginArchiveResource.cs
@@ -68,11 +68,12 @@ public static PluginArchiveResource Update(UpdatePluginArchiveOptions options, I
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PluginArchive </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<PluginArchiveResource> UpdateAsync(UpdatePluginArchiveOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PluginArchiveResource> UpdateAsync(UpdatePluginArchiveOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -100,10 +101,10 @@ public static PluginArchiveResource Update(
         public static async System.Threading.Tasks.Task<PluginArchiveResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string flexMetadata = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdatePluginArchiveOptions(pathSid){ FlexMetadata = flexMetadata };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/PluginConfiguration/ConfiguredPluginResource.cs b/src/Twilio/Rest/FlexApi/V1/PluginConfiguration/ConfiguredPluginResource.cs
index ffa72ecb4..fc7018310 100644
--- a/src/Twilio/Rest/FlexApi/V1/PluginConfiguration/ConfiguredPluginResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/PluginConfiguration/ConfiguredPluginResource.cs
@@ -69,10 +69,10 @@ public static ConfiguredPluginResource Fetch(FetchConfiguredPluginOptions option
         /// <param name="options"> Fetch ConfiguredPlugin parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConfiguredPlugin </returns>
-        public static async System.Threading.Tasks.Task<ConfiguredPluginResource> FetchAsync(FetchConfiguredPluginOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConfiguredPluginResource> FetchAsync(FetchConfiguredPluginOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static ConfiguredPluginResource Fetch(
         /// <param name="flexMetadata"> The Flex-Metadata HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConfiguredPlugin </returns>
-        public static async System.Threading.Tasks.Task<ConfiguredPluginResource> FetchAsync(string pathConfigurationSid, string pathPluginSid, string flexMetadata = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConfiguredPluginResource> FetchAsync(string pathConfigurationSid, string pathPluginSid, string flexMetadata = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchConfiguredPluginOptions(pathConfigurationSid, pathPluginSid){ FlexMetadata = flexMetadata };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -139,10 +139,10 @@ public static ResourceSet<ConfiguredPluginResource> Read(ReadConfiguredPluginOpt
         /// <param name="options"> Read ConfiguredPlugin parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConfiguredPlugin </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ConfiguredPluginResource>> ReadAsync(ReadConfiguredPluginOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ConfiguredPluginResource>> ReadAsync(ReadConfiguredPluginOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ConfiguredPluginResource>.FromJson("plugins", response.Content);
             return new ResourceSet<ConfiguredPluginResource>(page, options, client);
@@ -179,10 +179,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ConfiguredPluginReso
                                                                                              string flexMetadata = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadConfiguredPluginOptions(pathConfigurationSid){ FlexMetadata = flexMetadata, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/FlexApi/V1/PluginConfigurationArchiveResource.cs b/src/Twilio/Rest/FlexApi/V1/PluginConfigurationArchiveResource.cs
index 3c07861b2..05b247332 100644
--- a/src/Twilio/Rest/FlexApi/V1/PluginConfigurationArchiveResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/PluginConfigurationArchiveResource.cs
@@ -68,11 +68,12 @@ public static PluginConfigurationArchiveResource Update(UpdatePluginConfiguratio
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PluginConfigurationArchive </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<PluginConfigurationArchiveResource> UpdateAsync(UpdatePluginConfigurationArchiveOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PluginConfigurationArchiveResource> UpdateAsync(UpdatePluginConfigurationArchiveOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -100,10 +101,10 @@ public static PluginConfigurationArchiveResource Update(
         public static async System.Threading.Tasks.Task<PluginConfigurationArchiveResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string flexMetadata = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdatePluginConfigurationArchiveOptions(pathSid){ FlexMetadata = flexMetadata };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/PluginConfigurationResource.cs b/src/Twilio/Rest/FlexApi/V1/PluginConfigurationResource.cs
index 8b5ae0c2a..84bd3c8bf 100644
--- a/src/Twilio/Rest/FlexApi/V1/PluginConfigurationResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/PluginConfigurationResource.cs
@@ -66,10 +66,10 @@ public static PluginConfigurationResource Create(CreatePluginConfigurationOption
         /// <param name="options"> Create PluginConfiguration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PluginConfiguration </returns>
-        public static async System.Threading.Tasks.Task<PluginConfigurationResource> CreateAsync(CreatePluginConfigurationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PluginConfigurationResource> CreateAsync(CreatePluginConfigurationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -105,10 +105,10 @@ public static async System.Threading.Tasks.Task<PluginConfigurationResource> Cre
                                                                                   List<object> plugins = null,
                                                                                   string description = null,
                                                                                   string flexMetadata = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreatePluginConfigurationOptions(name){  Plugins = plugins, Description = description, FlexMetadata = flexMetadata };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,10 +145,10 @@ public static PluginConfigurationResource Fetch(FetchPluginConfigurationOptions
         /// <param name="options"> Fetch PluginConfiguration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PluginConfiguration </returns>
-        public static async System.Threading.Tasks.Task<PluginConfigurationResource> FetchAsync(FetchPluginConfigurationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PluginConfigurationResource> FetchAsync(FetchPluginConfigurationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -172,10 +172,10 @@ public static PluginConfigurationResource Fetch(
         /// <param name="flexMetadata"> The Flex-Metadata HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PluginConfiguration </returns>
-        public static async System.Threading.Tasks.Task<PluginConfigurationResource> FetchAsync(string pathSid, string flexMetadata = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PluginConfigurationResource> FetchAsync(string pathSid, string flexMetadata = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPluginConfigurationOptions(pathSid){ FlexMetadata = flexMetadata };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -210,10 +210,10 @@ public static ResourceSet<PluginConfigurationResource> Read(ReadPluginConfigurat
         /// <param name="options"> Read PluginConfiguration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PluginConfiguration </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<PluginConfigurationResource>> ReadAsync(ReadPluginConfigurationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<PluginConfigurationResource>> ReadAsync(ReadPluginConfigurationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<PluginConfigurationResource>.FromJson("configurations", response.Content);
             return new ResourceSet<PluginConfigurationResource>(page, options, client);
@@ -246,10 +246,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<PluginConfigurationR
                                                                                              string flexMetadata = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadPluginConfigurationOptions(){ FlexMetadata = flexMetadata, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/FlexApi/V1/PluginReleaseResource.cs b/src/Twilio/Rest/FlexApi/V1/PluginReleaseResource.cs
index fcbfbfee8..97223e8d3 100644
--- a/src/Twilio/Rest/FlexApi/V1/PluginReleaseResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/PluginReleaseResource.cs
@@ -66,10 +66,10 @@ public static PluginReleaseResource Create(CreatePluginReleaseOptions options, I
         /// <param name="options"> Create PluginRelease parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PluginRelease </returns>
-        public static async System.Threading.Tasks.Task<PluginReleaseResource> CreateAsync(CreatePluginReleaseOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PluginReleaseResource> CreateAsync(CreatePluginReleaseOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -97,10 +97,10 @@ public static PluginReleaseResource Create(
         public static async System.Threading.Tasks.Task<PluginReleaseResource> CreateAsync(
                                                                                   string configurationId,
                                                                                   string flexMetadata = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreatePluginReleaseOptions(configurationId){  FlexMetadata = flexMetadata };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -137,10 +137,10 @@ public static PluginReleaseResource Fetch(FetchPluginReleaseOptions options, ITw
         /// <param name="options"> Fetch PluginRelease parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PluginRelease </returns>
-        public static async System.Threading.Tasks.Task<PluginReleaseResource> FetchAsync(FetchPluginReleaseOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PluginReleaseResource> FetchAsync(FetchPluginReleaseOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -164,10 +164,10 @@ public static PluginReleaseResource Fetch(
         /// <param name="flexMetadata"> The Flex-Metadata HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PluginRelease </returns>
-        public static async System.Threading.Tasks.Task<PluginReleaseResource> FetchAsync(string pathSid, string flexMetadata = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PluginReleaseResource> FetchAsync(string pathSid, string flexMetadata = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPluginReleaseOptions(pathSid){ FlexMetadata = flexMetadata };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -202,10 +202,10 @@ public static ResourceSet<PluginReleaseResource> Read(ReadPluginReleaseOptions o
         /// <param name="options"> Read PluginRelease parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PluginRelease </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<PluginReleaseResource>> ReadAsync(ReadPluginReleaseOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<PluginReleaseResource>> ReadAsync(ReadPluginReleaseOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<PluginReleaseResource>.FromJson("releases", response.Content);
             return new ResourceSet<PluginReleaseResource>(page, options, client);
@@ -238,10 +238,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<PluginReleaseResourc
                                                                                              string flexMetadata = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadPluginReleaseOptions(){ FlexMetadata = flexMetadata, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/FlexApi/V1/PluginResource.cs b/src/Twilio/Rest/FlexApi/V1/PluginResource.cs
index 57f35d8e0..4bf487334 100644
--- a/src/Twilio/Rest/FlexApi/V1/PluginResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/PluginResource.cs
@@ -66,10 +66,10 @@ public static PluginResource Create(CreatePluginOptions options, ITwilioRestClie
         /// <param name="options"> Create Plugin parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Plugin </returns>
-        public static async System.Threading.Tasks.Task<PluginResource> CreateAsync(CreatePluginOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PluginResource> CreateAsync(CreatePluginOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -105,10 +105,10 @@ public static async System.Threading.Tasks.Task<PluginResource> CreateAsync(
                                                                                   string friendlyName = null,
                                                                                   string description = null,
                                                                                   string flexMetadata = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreatePluginOptions(uniqueName){  FriendlyName = friendlyName, Description = description, FlexMetadata = flexMetadata };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,10 +145,10 @@ public static PluginResource Fetch(FetchPluginOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Plugin parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Plugin </returns>
-        public static async System.Threading.Tasks.Task<PluginResource> FetchAsync(FetchPluginOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PluginResource> FetchAsync(FetchPluginOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -172,10 +172,10 @@ public static PluginResource Fetch(
         /// <param name="flexMetadata"> The Flex-Metadata HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Plugin </returns>
-        public static async System.Threading.Tasks.Task<PluginResource> FetchAsync(string pathSid, string flexMetadata = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PluginResource> FetchAsync(string pathSid, string flexMetadata = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPluginOptions(pathSid){ FlexMetadata = flexMetadata };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -210,10 +210,10 @@ public static ResourceSet<PluginResource> Read(ReadPluginOptions options, ITwili
         /// <param name="options"> Read Plugin parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Plugin </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<PluginResource>> ReadAsync(ReadPluginOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<PluginResource>> ReadAsync(ReadPluginOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<PluginResource>.FromJson("plugins", response.Content);
             return new ResourceSet<PluginResource>(page, options, client);
@@ -246,10 +246,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<PluginResource>> Rea
                                                                                              string flexMetadata = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadPluginOptions(){ FlexMetadata = flexMetadata, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -336,11 +336,12 @@ public static PluginResource Update(UpdatePluginOptions options, ITwilioRestClie
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Plugin </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<PluginResource> UpdateAsync(UpdatePluginOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PluginResource> UpdateAsync(UpdatePluginOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -376,10 +377,10 @@ public static async System.Threading.Tasks.Task<PluginResource> UpdateAsync(
                                                                               string friendlyName = null,
                                                                               string description = null,
                                                                               string flexMetadata = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdatePluginOptions(pathSid){ FriendlyName = friendlyName, Description = description, FlexMetadata = flexMetadata };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/PluginVersionArchiveResource.cs b/src/Twilio/Rest/FlexApi/V1/PluginVersionArchiveResource.cs
index d1d735fc6..1b2765c41 100644
--- a/src/Twilio/Rest/FlexApi/V1/PluginVersionArchiveResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/PluginVersionArchiveResource.cs
@@ -70,11 +70,12 @@ public static PluginVersionArchiveResource Update(UpdatePluginVersionArchiveOpti
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PluginVersionArchive </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<PluginVersionArchiveResource> UpdateAsync(UpdatePluginVersionArchiveOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PluginVersionArchiveResource> UpdateAsync(UpdatePluginVersionArchiveOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -106,10 +107,10 @@ public static async System.Threading.Tasks.Task<PluginVersionArchiveResource> Up
                                                                               string pathPluginSid,
                                                                               string pathSid,
                                                                               string flexMetadata = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdatePluginVersionArchiveOptions(pathPluginSid, pathSid){ FlexMetadata = flexMetadata };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/ProvisioningStatusResource.cs b/src/Twilio/Rest/FlexApi/V1/ProvisioningStatusResource.cs
index cb5e2893b..d249d682a 100644
--- a/src/Twilio/Rest/FlexApi/V1/ProvisioningStatusResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/ProvisioningStatusResource.cs
@@ -80,10 +80,10 @@ public static ProvisioningStatusResource Fetch(FetchProvisioningStatusOptions op
         /// <param name="options"> Fetch ProvisioningStatus parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ProvisioningStatus </returns>
-        public static async System.Threading.Tasks.Task<ProvisioningStatusResource> FetchAsync(FetchProvisioningStatusOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ProvisioningStatusResource> FetchAsync(FetchProvisioningStatusOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static ProvisioningStatusResource Fetch(
         /// <summary> fetch </summary>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ProvisioningStatus </returns>
-        public static async System.Threading.Tasks.Task<ProvisioningStatusResource> FetchAsync(ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ProvisioningStatusResource> FetchAsync(ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchProvisioningStatusOptions(){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V1/WebChannelResource.cs b/src/Twilio/Rest/FlexApi/V1/WebChannelResource.cs
index 707de5e61..f7a71bb3c 100644
--- a/src/Twilio/Rest/FlexApi/V1/WebChannelResource.cs
+++ b/src/Twilio/Rest/FlexApi/V1/WebChannelResource.cs
@@ -77,10 +77,10 @@ public static WebChannelResource Create(CreateWebChannelOptions options, ITwilio
         /// <param name="options"> Create WebChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WebChannel </returns>
-        public static async System.Threading.Tasks.Task<WebChannelResource> CreateAsync(CreateWebChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebChannelResource> CreateAsync(CreateWebChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -124,10 +124,10 @@ public static async System.Threading.Tasks.Task<WebChannelResource> CreateAsync(
                                                                                   string chatFriendlyName,
                                                                                   string chatUniqueName = null,
                                                                                   string preEngagementData = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateWebChannelOptions(flexFlowSid, identity, customerFriendlyName, chatFriendlyName){  ChatUniqueName = chatUniqueName, PreEngagementData = preEngagementData };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -168,11 +168,12 @@ public static bool Delete(DeleteWebChannelOptions options, ITwilioRestClient cli
         /// <param name="options"> Delete WebChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WebChannel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWebChannelOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWebChannelOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -192,10 +193,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the WebChannel resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WebChannel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteWebChannelOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -232,10 +233,10 @@ public static WebChannelResource Fetch(FetchWebChannelOptions options, ITwilioRe
         /// <param name="options"> Fetch WebChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WebChannel </returns>
-        public static async System.Threading.Tasks.Task<WebChannelResource> FetchAsync(FetchWebChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebChannelResource> FetchAsync(FetchWebChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -256,10 +257,10 @@ public static WebChannelResource Fetch(
         /// <param name="pathSid"> The SID of the WebChannel resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WebChannel </returns>
-        public static async System.Threading.Tasks.Task<WebChannelResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebChannelResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWebChannelOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -294,10 +295,10 @@ public static ResourceSet<WebChannelResource> Read(ReadWebChannelOptions options
         /// <param name="options"> Read WebChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WebChannel </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<WebChannelResource>> ReadAsync(ReadWebChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<WebChannelResource>> ReadAsync(ReadWebChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<WebChannelResource>.FromJson("flex_chat_channels", response.Content);
             return new ResourceSet<WebChannelResource>(page, options, client);
@@ -326,10 +327,10 @@ public static ResourceSet<WebChannelResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<WebChannelResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadWebChannelOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -416,11 +417,12 @@ public static WebChannelResource Update(UpdateWebChannelOptions options, ITwilio
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WebChannel </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<WebChannelResource> UpdateAsync(UpdateWebChannelOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebChannelResource> UpdateAsync(UpdateWebChannelOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -452,10 +454,10 @@ public static async System.Threading.Tasks.Task<WebChannelResource> UpdateAsync(
                                                                               string pathSid,
                                                                               WebChannelResource.ChatStatusEnum chatStatus = null,
                                                                               string postEngagementData = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateWebChannelOptions(pathSid){ ChatStatus = chatStatus, PostEngagementData = postEngagementData };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V2/FlexUserResource.cs b/src/Twilio/Rest/FlexApi/V2/FlexUserResource.cs
index 3365ed5ba..c0eb6c6c0 100644
--- a/src/Twilio/Rest/FlexApi/V2/FlexUserResource.cs
+++ b/src/Twilio/Rest/FlexApi/V2/FlexUserResource.cs
@@ -69,10 +69,10 @@ public static FlexUserResource Fetch(FetchFlexUserOptions options, ITwilioRestCl
         /// <param name="options"> Fetch FlexUser parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlexUser </returns>
-        public static async System.Threading.Tasks.Task<FlexUserResource> FetchAsync(FetchFlexUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlexUserResource> FetchAsync(FetchFlexUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +96,10 @@ public static FlexUserResource Fetch(
         /// <param name="pathFlexUserSid"> The unique id for the flex user to be retrieved. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlexUser </returns>
-        public static async System.Threading.Tasks.Task<FlexUserResource> FetchAsync(string pathInstanceSid, string pathFlexUserSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlexUserResource> FetchAsync(string pathInstanceSid, string pathFlexUserSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchFlexUserOptions(pathInstanceSid, pathFlexUserSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -139,11 +139,12 @@ public static FlexUserResource Update(UpdateFlexUserOptions options, ITwilioRest
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlexUser </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<FlexUserResource> UpdateAsync(UpdateFlexUserOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlexUserResource> UpdateAsync(UpdateFlexUserOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -195,10 +196,10 @@ public static async System.Threading.Tasks.Task<FlexUserResource> UpdateAsync(
                                                                               string friendlyName = null,
                                                                               string userSid = null,
                                                                               string locale = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateFlexUserOptions(pathInstanceSid, pathFlexUserSid){ FirstName = firstName, LastName = lastName, Email = email, FriendlyName = friendlyName, UserSid = userSid, Locale = locale };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FlexApi/V2/WebChannelsResource.cs b/src/Twilio/Rest/FlexApi/V2/WebChannelsResource.cs
index cb00fd5db..60f8f409c 100644
--- a/src/Twilio/Rest/FlexApi/V2/WebChannelsResource.cs
+++ b/src/Twilio/Rest/FlexApi/V2/WebChannelsResource.cs
@@ -66,10 +66,10 @@ public static WebChannelsResource Create(CreateWebChannelsOptions options, ITwil
         /// <param name="options"> Create WebChannels parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WebChannels </returns>
-        public static async System.Threading.Tasks.Task<WebChannelsResource> CreateAsync(CreateWebChannelsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebChannelsResource> CreateAsync(CreateWebChannelsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -109,10 +109,10 @@ public static async System.Threading.Tasks.Task<WebChannelsResource> CreateAsync
                                                                                   string customerFriendlyName = null,
                                                                                   string preEngagementData = null,
                                                                                   string uiVersion = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateWebChannelsOptions(addressSid){  ChatFriendlyName = chatFriendlyName, CustomerFriendlyName = customerFriendlyName, PreEngagementData = preEngagementData, UiVersion = uiVersion };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/FrontlineApi/V1/UserResource.cs b/src/Twilio/Rest/FrontlineApi/V1/UserResource.cs
index 1058e3559..9975cead9 100644
--- a/src/Twilio/Rest/FrontlineApi/V1/UserResource.cs
+++ b/src/Twilio/Rest/FrontlineApi/V1/UserResource.cs
@@ -80,10 +80,10 @@ public static UserResource Fetch(FetchUserOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(FetchUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(FetchUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -104,10 +104,10 @@ public static UserResource Fetch(
         /// <param name="pathSid"> The SID of the User resource to fetch. This value can be either the `sid` or the `identity` of the User resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUserOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static UserResource Update(UpdateUserOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(UpdateUserOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(UpdateUserOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -189,10 +190,10 @@ public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(
                                                                               string avatar = null,
                                                                               UserResource.StateTypeEnum state = null,
                                                                               bool? isAvailable = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateUserOptions(pathSid){ FriendlyName = friendlyName, Avatar = avatar, State = state, IsAvailable = isAvailable };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Iam/V1/ApiKeyResource.cs b/src/Twilio/Rest/Iam/V1/ApiKeyResource.cs
index 1228a7d42..cb99c1b50 100644
--- a/src/Twilio/Rest/Iam/V1/ApiKeyResource.cs
+++ b/src/Twilio/Rest/Iam/V1/ApiKeyResource.cs
@@ -71,11 +71,12 @@ public static bool Delete(DeleteApiKeyOptions options, ITwilioRestClient client
         /// <param name="options"> Delete ApiKey parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ApiKey </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteApiKeyOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteApiKeyOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -95,10 +96,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Key resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ApiKey </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteApiKeyOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -135,10 +136,10 @@ public static ApiKeyResource Fetch(FetchApiKeyOptions options, ITwilioRestClient
         /// <param name="options"> Fetch ApiKey parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ApiKey </returns>
-        public static async System.Threading.Tasks.Task<ApiKeyResource> FetchAsync(FetchApiKeyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ApiKeyResource> FetchAsync(FetchApiKeyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -159,10 +160,10 @@ public static ApiKeyResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Key resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ApiKey </returns>
-        public static async System.Threading.Tasks.Task<ApiKeyResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ApiKeyResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchApiKeyOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -200,11 +201,12 @@ public static ApiKeyResource Update(UpdateApiKeyOptions options, ITwilioRestClie
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ApiKey </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ApiKeyResource> UpdateAsync(UpdateApiKeyOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ApiKeyResource> UpdateAsync(UpdateApiKeyOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -236,10 +238,10 @@ public static async System.Threading.Tasks.Task<ApiKeyResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string friendlyName = null,
                                                                               object policy = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateApiKeyOptions(pathSid){ FriendlyName = friendlyName, Policy = policy };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Iam/V1/GetApiKeysResource.cs b/src/Twilio/Rest/Iam/V1/GetApiKeysResource.cs
index 81b52aeea..4bfa39257 100644
--- a/src/Twilio/Rest/Iam/V1/GetApiKeysResource.cs
+++ b/src/Twilio/Rest/Iam/V1/GetApiKeysResource.cs
@@ -65,10 +65,10 @@ public static ResourceSet<GetApiKeysResource> Read(ReadGetApiKeysOptions options
         /// <param name="options"> Read GetApiKeys parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of GetApiKeys </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<GetApiKeysResource>> ReadAsync(ReadGetApiKeysOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<GetApiKeysResource>> ReadAsync(ReadGetApiKeysOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<GetApiKeysResource>.FromJson("keys", response.Content);
             return new ResourceSet<GetApiKeysResource>(page, options, client);
@@ -101,10 +101,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<GetApiKeysResource>>
                                                                                              string accountSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadGetApiKeysOptions(accountSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Iam/V1/KeyResource.cs b/src/Twilio/Rest/Iam/V1/KeyResource.cs
index 364df7cc7..916dad571 100644
--- a/src/Twilio/Rest/Iam/V1/KeyResource.cs
+++ b/src/Twilio/Rest/Iam/V1/KeyResource.cs
@@ -77,10 +77,10 @@ public static KeyResource Create(CreateKeyOptions options, ITwilioRestClient cli
         /// <param name="options"> Create Key parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Key </returns>
-        public static async System.Threading.Tasks.Task<KeyResource> CreateAsync(CreateKeyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<KeyResource> CreateAsync(CreateKeyOptions options, ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -116,10 +116,11 @@ public static async System.Threading.Tasks.Task<KeyResource> CreateAsync(
                                                                                   string friendlyName = null,
                                                                                   KeyResource.KeytypeEnum keyType = null,
                                                                                   object policy = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                  ITwilioRestClient client = null,
+                                                                                  System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateKeyOptions(accountSid){  FriendlyName = friendlyName, KeyType = keyType, Policy = policy };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Insights/V1/Call/AnnotationResource.cs b/src/Twilio/Rest/Insights/V1/Call/AnnotationResource.cs
index 170e0e87c..8dc388362 100644
--- a/src/Twilio/Rest/Insights/V1/Call/AnnotationResource.cs
+++ b/src/Twilio/Rest/Insights/V1/Call/AnnotationResource.cs
@@ -98,10 +98,10 @@ public static AnnotationResource Fetch(FetchAnnotationOptions options, ITwilioRe
         /// <param name="options"> Fetch Annotation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Annotation </returns>
-        public static async System.Threading.Tasks.Task<AnnotationResource> FetchAsync(FetchAnnotationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AnnotationResource> FetchAsync(FetchAnnotationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -122,10 +122,10 @@ public static AnnotationResource Fetch(
         /// <param name="pathCallSid"> The unique SID identifier of the Call. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Annotation </returns>
-        public static async System.Threading.Tasks.Task<AnnotationResource> FetchAsync(string pathCallSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AnnotationResource> FetchAsync(string pathCallSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAnnotationOptions(pathCallSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -163,11 +163,12 @@ public static AnnotationResource Update(UpdateAnnotationOptions options, ITwilio
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Annotation </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<AnnotationResource> UpdateAsync(UpdateAnnotationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AnnotationResource> UpdateAsync(UpdateAnnotationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -219,10 +220,10 @@ public static async System.Threading.Tasks.Task<AnnotationResource> UpdateAsync(
                                                                               int? callScore = null,
                                                                               string comment = null,
                                                                               string incident = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateAnnotationOptions(pathCallSid){ AnsweredBy = answeredBy, ConnectivityIssue = connectivityIssue, QualityIssues = qualityIssues, Spam = spam, CallScore = callScore, Comment = comment, Incident = incident };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Insights/V1/Call/CallSummaryResource.cs b/src/Twilio/Rest/Insights/V1/Call/CallSummaryResource.cs
index 7b4b18715..f8846f106 100644
--- a/src/Twilio/Rest/Insights/V1/Call/CallSummaryResource.cs
+++ b/src/Twilio/Rest/Insights/V1/Call/CallSummaryResource.cs
@@ -133,10 +133,10 @@ public static CallSummaryResource Fetch(FetchCallSummaryOptions options, ITwilio
         /// <param name="options"> Fetch CallSummary parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CallSummary </returns>
-        public static async System.Threading.Tasks.Task<CallSummaryResource> FetchAsync(FetchCallSummaryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CallSummaryResource> FetchAsync(FetchCallSummaryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -160,10 +160,10 @@ public static CallSummaryResource Fetch(
         /// <param name="processingState"> The Processing State of this Call Summary. One of `complete`, `partial` or `all`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CallSummary </returns>
-        public static async System.Threading.Tasks.Task<CallSummaryResource> FetchAsync(string pathCallSid, CallSummaryResource.ProcessingStateEnum processingState = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CallSummaryResource> FetchAsync(string pathCallSid, CallSummaryResource.ProcessingStateEnum processingState = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCallSummaryOptions(pathCallSid){ ProcessingState = processingState };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Insights/V1/Call/EventResource.cs b/src/Twilio/Rest/Insights/V1/Call/EventResource.cs
index 2c74df5f3..daab95720 100644
--- a/src/Twilio/Rest/Insights/V1/Call/EventResource.cs
+++ b/src/Twilio/Rest/Insights/V1/Call/EventResource.cs
@@ -99,10 +99,10 @@ public static ResourceSet<EventResource> Read(ReadEventOptions options, ITwilioR
         /// <param name="options"> Read Event parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Event </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<EventResource>> ReadAsync(ReadEventOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<EventResource>> ReadAsync(ReadEventOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<EventResource>.FromJson("events", response.Content);
             return new ResourceSet<EventResource>(page, options, client);
@@ -139,10 +139,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<EventResource>> Read
                                                                                              EventResource.TwilioEdgeEnum edge = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadEventOptions(pathCallSid){ Edge = edge, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Insights/V1/Call/MetricResource.cs b/src/Twilio/Rest/Insights/V1/Call/MetricResource.cs
index 80902d4fd..4f22b21e5 100644
--- a/src/Twilio/Rest/Insights/V1/Call/MetricResource.cs
+++ b/src/Twilio/Rest/Insights/V1/Call/MetricResource.cs
@@ -98,10 +98,10 @@ public static ResourceSet<MetricResource> Read(ReadMetricOptions options, ITwili
         /// <param name="options"> Read Metric parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Metric </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MetricResource>> ReadAsync(ReadMetricOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MetricResource>> ReadAsync(ReadMetricOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MetricResource>.FromJson("metrics", response.Content);
             return new ResourceSet<MetricResource>(page, options, client);
@@ -142,10 +142,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<MetricResource>> Rea
                                                                                              MetricResource.StreamDirectionEnum direction = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMetricOptions(pathCallSid){ Edge = edge, Direction = direction, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Insights/V1/CallResource.cs b/src/Twilio/Rest/Insights/V1/CallResource.cs
index 6ada69f8b..db2a7d222 100644
--- a/src/Twilio/Rest/Insights/V1/CallResource.cs
+++ b/src/Twilio/Rest/Insights/V1/CallResource.cs
@@ -67,10 +67,10 @@ public static CallResource Fetch(FetchCallOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Call parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Call </returns>
-        public static async System.Threading.Tasks.Task<CallResource> FetchAsync(FetchCallOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CallResource> FetchAsync(FetchCallOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static CallResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Call </returns>
-        public static async System.Threading.Tasks.Task<CallResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CallResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCallOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Insights/V1/CallSummariesResource.cs b/src/Twilio/Rest/Insights/V1/CallSummariesResource.cs
index d0fd192d4..3d1618b09 100644
--- a/src/Twilio/Rest/Insights/V1/CallSummariesResource.cs
+++ b/src/Twilio/Rest/Insights/V1/CallSummariesResource.cs
@@ -157,10 +157,10 @@ public static ResourceSet<CallSummariesResource> Read(ReadCallSummariesOptions o
         /// <param name="options"> Read CallSummaries parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CallSummaries </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CallSummariesResource>> ReadAsync(ReadCallSummariesOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CallSummariesResource>> ReadAsync(ReadCallSummariesOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CallSummariesResource>.FromJson("call_summaries", response.Content);
             return new ResourceSet<CallSummariesResource>(page, options, client);
@@ -317,10 +317,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<CallSummariesResourc
                                                                                              string businessProfileType = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCallSummariesOptions(){ From = from, To = to, FromCarrier = fromCarrier, ToCarrier = toCarrier, FromCountryCode = fromCountryCode, ToCountryCode = toCountryCode, VerifiedCaller = verifiedCaller, HasTag = hasTag, StartTime = startTime, EndTime = endTime, CallType = callType, CallState = callState, Direction = direction, ProcessingState = processingState, SortBy = sortBy, Subaccount = subaccount, AbnormalSession = abnormalSession, AnsweredBy = answeredBy, AnsweredByAnnotation = answeredByAnnotation, ConnectivityIssueAnnotation = connectivityIssueAnnotation, QualityIssueAnnotation = qualityIssueAnnotation, SpamAnnotation = spamAnnotation, CallScoreAnnotation = callScoreAnnotation, BrandedEnabled = brandedEnabled, VoiceIntegrityEnabled = voiceIntegrityEnabled, BrandedBundleSid = brandedBundleSid, VoiceIntegrityBundleSid = voiceIntegrityBundleSid, VoiceIntegrityUseCase = voiceIntegrityUseCase, BusinessProfileIdentity = businessProfileIdentity, BusinessProfileIndustry = businessProfileIndustry, BusinessProfileBundleSid = businessProfileBundleSid, BusinessProfileType = businessProfileType, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Insights/V1/Conference/ConferenceParticipantResource.cs b/src/Twilio/Rest/Insights/V1/Conference/ConferenceParticipantResource.cs
index 0863f352b..4c826af5c 100644
--- a/src/Twilio/Rest/Insights/V1/Conference/ConferenceParticipantResource.cs
+++ b/src/Twilio/Rest/Insights/V1/Conference/ConferenceParticipantResource.cs
@@ -162,10 +162,10 @@ public static ConferenceParticipantResource Fetch(FetchConferenceParticipantOpti
         /// <param name="options"> Fetch ConferenceParticipant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConferenceParticipant </returns>
-        public static async System.Threading.Tasks.Task<ConferenceParticipantResource> FetchAsync(FetchConferenceParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConferenceParticipantResource> FetchAsync(FetchConferenceParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -195,10 +195,10 @@ public static ConferenceParticipantResource Fetch(
         /// <param name="metrics"> Object. Contains participant call quality metrics. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConferenceParticipant </returns>
-        public static async System.Threading.Tasks.Task<ConferenceParticipantResource> FetchAsync(string pathConferenceSid, string pathParticipantSid, string events = null, string metrics = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConferenceParticipantResource> FetchAsync(string pathConferenceSid, string pathParticipantSid, string events = null, string metrics = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchConferenceParticipantOptions(pathConferenceSid, pathParticipantSid){ Events = events,Metrics = metrics };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -235,10 +235,10 @@ public static ResourceSet<ConferenceParticipantResource> Read(ReadConferencePart
         /// <param name="options"> Read ConferenceParticipant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConferenceParticipant </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ConferenceParticipantResource>> ReadAsync(ReadConferenceParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ConferenceParticipantResource>> ReadAsync(ReadConferenceParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ConferenceParticipantResource>.FromJson("participants", response.Content);
             return new ResourceSet<ConferenceParticipantResource>(page, options, client);
@@ -283,10 +283,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ConferenceParticipan
                                                                                              string events = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadConferenceParticipantOptions(pathConferenceSid){ ParticipantSid = participantSid, Label = label, Events = events, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Insights/V1/ConferenceResource.cs b/src/Twilio/Rest/Insights/V1/ConferenceResource.cs
index a79da996a..7cfd7abe2 100644
--- a/src/Twilio/Rest/Insights/V1/ConferenceResource.cs
+++ b/src/Twilio/Rest/Insights/V1/ConferenceResource.cs
@@ -153,10 +153,10 @@ public static ConferenceResource Fetch(FetchConferenceOptions options, ITwilioRe
         /// <param name="options"> Fetch Conference parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conference </returns>
-        public static async System.Threading.Tasks.Task<ConferenceResource> FetchAsync(FetchConferenceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConferenceResource> FetchAsync(FetchConferenceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -177,10 +177,10 @@ public static ConferenceResource Fetch(
         /// <param name="pathConferenceSid"> The unique SID identifier of the Conference. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conference </returns>
-        public static async System.Threading.Tasks.Task<ConferenceResource> FetchAsync(string pathConferenceSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConferenceResource> FetchAsync(string pathConferenceSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchConferenceOptions(pathConferenceSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -215,10 +215,10 @@ public static ResourceSet<ConferenceResource> Read(ReadConferenceOptions options
         /// <param name="options"> Read Conference parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Conference </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ConferenceResource>> ReadAsync(ReadConferenceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ConferenceResource>> ReadAsync(ReadConferenceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ConferenceResource>.FromJson("conferences", response.Content);
             return new ResourceSet<ConferenceResource>(page, options, client);
@@ -287,10 +287,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ConferenceResource>>
                                                                                              string endReason = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadConferenceOptions(){ ConferenceSid = conferenceSid, FriendlyName = friendlyName, Status = status, CreatedAfter = createdAfter, CreatedBefore = createdBefore, MixerRegion = mixerRegion, Tags = tags, Subaccount = subaccount, DetectedIssues = detectedIssues, EndReason = endReason, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Insights/V1/Room/ParticipantResource.cs b/src/Twilio/Rest/Insights/V1/Room/ParticipantResource.cs
index bf4844abd..5e7b6d587 100644
--- a/src/Twilio/Rest/Insights/V1/Room/ParticipantResource.cs
+++ b/src/Twilio/Rest/Insights/V1/Room/ParticipantResource.cs
@@ -140,10 +140,10 @@ public static ParticipantResource Fetch(FetchParticipantOptions options, ITwilio
         /// <param name="options"> Fetch Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(FetchParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(FetchParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -167,10 +167,10 @@ public static ParticipantResource Fetch(
         /// <param name="pathParticipantSid"> The SID of the Participant resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(string pathRoomSid, string pathParticipantSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(string pathRoomSid, string pathParticipantSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchParticipantOptions(pathRoomSid, pathParticipantSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -207,10 +207,10 @@ public static ResourceSet<ParticipantResource> Read(ReadParticipantOptions optio
         /// <param name="options"> Read Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>> ReadAsync(ReadParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>> ReadAsync(ReadParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ParticipantResource>.FromJson("participants", response.Content);
             return new ResourceSet<ParticipantResource>(page, options, client);
@@ -243,10 +243,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>
                                                                                              string pathRoomSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadParticipantOptions(pathRoomSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Insights/V1/RoomResource.cs b/src/Twilio/Rest/Insights/V1/RoomResource.cs
index 54bdbcf9b..9c27d39fc 100644
--- a/src/Twilio/Rest/Insights/V1/RoomResource.cs
+++ b/src/Twilio/Rest/Insights/V1/RoomResource.cs
@@ -193,10 +193,10 @@ public static RoomResource Fetch(FetchRoomOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Room parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Room </returns>
-        public static async System.Threading.Tasks.Task<RoomResource> FetchAsync(FetchRoomOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoomResource> FetchAsync(FetchRoomOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -217,10 +217,10 @@ public static RoomResource Fetch(
         /// <param name="pathRoomSid"> The SID of the Room resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Room </returns>
-        public static async System.Threading.Tasks.Task<RoomResource> FetchAsync(string pathRoomSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoomResource> FetchAsync(string pathRoomSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRoomOptions(pathRoomSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -255,10 +255,10 @@ public static ResourceSet<RoomResource> Read(ReadRoomOptions options, ITwilioRes
         /// <param name="options"> Read Room parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Room </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RoomResource>> ReadAsync(ReadRoomOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RoomResource>> ReadAsync(ReadRoomOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RoomResource>.FromJson("rooms", response.Content);
             return new ResourceSet<RoomResource>(page, options, client);
@@ -307,10 +307,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<RoomResource>> ReadA
                                                                                              DateTime? createdBefore = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRoomOptions(){ RoomType = roomType, Codec = codec, RoomName = roomName, CreatedAfter = createdAfter, CreatedBefore = createdBefore, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Insights/V1/SettingResource.cs b/src/Twilio/Rest/Insights/V1/SettingResource.cs
index 33144c634..f3fedf755 100644
--- a/src/Twilio/Rest/Insights/V1/SettingResource.cs
+++ b/src/Twilio/Rest/Insights/V1/SettingResource.cs
@@ -65,10 +65,10 @@ public static SettingResource Fetch(FetchSettingOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Setting parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Setting </returns>
-        public static async System.Threading.Tasks.Task<SettingResource> FetchAsync(FetchSettingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SettingResource> FetchAsync(FetchSettingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -89,10 +89,10 @@ public static SettingResource Fetch(
         /// <param name="subaccountSid"> The unique SID identifier of the Subaccount. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Setting </returns>
-        public static async System.Threading.Tasks.Task<SettingResource> FetchAsync(string subaccountSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SettingResource> FetchAsync(string subaccountSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSettingOptions(){ SubaccountSid = subaccountSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -128,11 +128,12 @@ public static SettingResource Update(UpdateSettingOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Setting </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SettingResource> UpdateAsync(UpdateSettingOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SettingResource> UpdateAsync(UpdateSettingOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -164,10 +165,10 @@ public static async System.Threading.Tasks.Task<SettingResource> UpdateAsync(
                                                                               bool? advancedFeatures = null,
                                                                               bool? voiceTrace = null,
                                                                               string subaccountSid = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSettingOptions(){ AdvancedFeatures = advancedFeatures, VoiceTrace = voiceTrace, SubaccountSid = subaccountSid };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Intelligence/V2/CustomOperatorResource.cs b/src/Twilio/Rest/Intelligence/V2/CustomOperatorResource.cs
index 90dd68dce..dd62f80bd 100644
--- a/src/Twilio/Rest/Intelligence/V2/CustomOperatorResource.cs
+++ b/src/Twilio/Rest/Intelligence/V2/CustomOperatorResource.cs
@@ -81,10 +81,10 @@ public static CustomOperatorResource Create(CreateCustomOperatorOptions options,
         /// <param name="options"> Create CustomOperator parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomOperator </returns>
-        public static async System.Threading.Tasks.Task<CustomOperatorResource> CreateAsync(CreateCustomOperatorOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomOperatorResource> CreateAsync(CreateCustomOperatorOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -116,10 +116,10 @@ public static async System.Threading.Tasks.Task<CustomOperatorResource> CreateAs
                                                                                   string friendlyName,
                                                                                   string operatorType,
                                                                                   object config,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCustomOperatorOptions(friendlyName, operatorType, config){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -160,11 +160,12 @@ public static bool Delete(DeleteCustomOperatorOptions options, ITwilioRestClient
         /// <param name="options"> Delete CustomOperator parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomOperator </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCustomOperatorOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCustomOperatorOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -184,10 +185,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Custom Operator. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomOperator </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCustomOperatorOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -224,10 +225,10 @@ public static CustomOperatorResource Fetch(FetchCustomOperatorOptions options, I
         /// <param name="options"> Fetch CustomOperator parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomOperator </returns>
-        public static async System.Threading.Tasks.Task<CustomOperatorResource> FetchAsync(FetchCustomOperatorOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomOperatorResource> FetchAsync(FetchCustomOperatorOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -248,10 +249,10 @@ public static CustomOperatorResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Custom Operator. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomOperator </returns>
-        public static async System.Threading.Tasks.Task<CustomOperatorResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomOperatorResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCustomOperatorOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -286,10 +287,10 @@ public static ResourceSet<CustomOperatorResource> Read(ReadCustomOperatorOptions
         /// <param name="options"> Read CustomOperator parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomOperator </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CustomOperatorResource>> ReadAsync(ReadCustomOperatorOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CustomOperatorResource>> ReadAsync(ReadCustomOperatorOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CustomOperatorResource>.FromJson("operators", response.Content);
             return new ResourceSet<CustomOperatorResource>(page, options, client);
@@ -326,10 +327,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<CustomOperatorResour
                                                                                              string languageCode = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCustomOperatorOptions(){ Availability = availability, LanguageCode = languageCode, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -416,11 +417,12 @@ public static CustomOperatorResource Update(UpdateCustomOperatorOptions options,
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomOperator </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<CustomOperatorResource> UpdateAsync(UpdateCustomOperatorOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomOperatorResource> UpdateAsync(UpdateCustomOperatorOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -456,10 +458,10 @@ public static async System.Threading.Tasks.Task<CustomOperatorResource> UpdateAs
                                                                               string friendlyName,
                                                                               object config,
                                                                               string ifMatch = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateCustomOperatorOptions(pathSid, friendlyName, config){ IfMatch = ifMatch };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Intelligence/V2/OperatorAttachmentResource.cs b/src/Twilio/Rest/Intelligence/V2/OperatorAttachmentResource.cs
index 6c2693bc5..5846049d9 100644
--- a/src/Twilio/Rest/Intelligence/V2/OperatorAttachmentResource.cs
+++ b/src/Twilio/Rest/Intelligence/V2/OperatorAttachmentResource.cs
@@ -70,10 +70,10 @@ public static OperatorAttachmentResource Create(CreateOperatorAttachmentOptions
         /// <param name="options"> Create OperatorAttachment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OperatorAttachment </returns>
-        public static async System.Threading.Tasks.Task<OperatorAttachmentResource> CreateAsync(CreateOperatorAttachmentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<OperatorAttachmentResource> CreateAsync(CreateOperatorAttachmentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static OperatorAttachmentResource Create(
         public static async System.Threading.Tasks.Task<OperatorAttachmentResource> CreateAsync(
                                                                                   string pathServiceSid,
                                                                                   string pathOperatorSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateOperatorAttachmentOptions(pathServiceSid, pathOperatorSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -147,11 +147,12 @@ public static bool Delete(DeleteOperatorAttachmentOptions options, ITwilioRestCl
         /// <param name="options"> Delete OperatorAttachment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OperatorAttachment </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteOperatorAttachmentOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteOperatorAttachmentOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -173,10 +174,10 @@ public static bool Delete(string pathServiceSid, string pathOperatorSid, ITwilio
         /// <param name="pathOperatorSid"> The unique SID identifier of the Operator. Allows both Custom and Pre-built Operators. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OperatorAttachment </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathOperatorSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathOperatorSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteOperatorAttachmentOptions(pathServiceSid, pathOperatorSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Intelligence/V2/OperatorAttachmentsResource.cs b/src/Twilio/Rest/Intelligence/V2/OperatorAttachmentsResource.cs
index e5e894018..119b1d72f 100644
--- a/src/Twilio/Rest/Intelligence/V2/OperatorAttachmentsResource.cs
+++ b/src/Twilio/Rest/Intelligence/V2/OperatorAttachmentsResource.cs
@@ -67,10 +67,10 @@ public static OperatorAttachmentsResource Fetch(FetchOperatorAttachmentsOptions
         /// <param name="options"> Fetch OperatorAttachments parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OperatorAttachments </returns>
-        public static async System.Threading.Tasks.Task<OperatorAttachmentsResource> FetchAsync(FetchOperatorAttachmentsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<OperatorAttachmentsResource> FetchAsync(FetchOperatorAttachmentsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static OperatorAttachmentsResource Fetch(
         /// <param name="pathServiceSid"> The unique SID identifier of the Service. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OperatorAttachments </returns>
-        public static async System.Threading.Tasks.Task<OperatorAttachmentsResource> FetchAsync(string pathServiceSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<OperatorAttachmentsResource> FetchAsync(string pathServiceSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchOperatorAttachmentsOptions(pathServiceSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Intelligence/V2/OperatorResource.cs b/src/Twilio/Rest/Intelligence/V2/OperatorResource.cs
index b868a96a4..37b7acdeb 100644
--- a/src/Twilio/Rest/Intelligence/V2/OperatorResource.cs
+++ b/src/Twilio/Rest/Intelligence/V2/OperatorResource.cs
@@ -82,10 +82,10 @@ public static OperatorResource Fetch(FetchOperatorOptions options, ITwilioRestCl
         /// <param name="options"> Fetch Operator parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Operator </returns>
-        public static async System.Threading.Tasks.Task<OperatorResource> FetchAsync(FetchOperatorOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<OperatorResource> FetchAsync(FetchOperatorOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -106,10 +106,10 @@ public static OperatorResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Operator. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Operator </returns>
-        public static async System.Threading.Tasks.Task<OperatorResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<OperatorResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchOperatorOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -144,10 +144,10 @@ public static ResourceSet<OperatorResource> Read(ReadOperatorOptions options, IT
         /// <param name="options"> Read Operator parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Operator </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<OperatorResource>> ReadAsync(ReadOperatorOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<OperatorResource>> ReadAsync(ReadOperatorOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<OperatorResource>.FromJson("operators", response.Content);
             return new ResourceSet<OperatorResource>(page, options, client);
@@ -184,10 +184,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<OperatorResource>> R
                                                                                              string languageCode = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadOperatorOptions(){ Availability = availability, LanguageCode = languageCode, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Intelligence/V2/OperatorTypeResource.cs b/src/Twilio/Rest/Intelligence/V2/OperatorTypeResource.cs
index 08d9e6cd8..6d662b939 100644
--- a/src/Twilio/Rest/Intelligence/V2/OperatorTypeResource.cs
+++ b/src/Twilio/Rest/Intelligence/V2/OperatorTypeResource.cs
@@ -112,10 +112,10 @@ public static OperatorTypeResource Fetch(FetchOperatorTypeOptions options, ITwil
         /// <param name="options"> Fetch OperatorType parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OperatorType </returns>
-        public static async System.Threading.Tasks.Task<OperatorTypeResource> FetchAsync(FetchOperatorTypeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<OperatorTypeResource> FetchAsync(FetchOperatorTypeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -136,10 +136,10 @@ public static OperatorTypeResource Fetch(
         /// <param name="pathSid"> Either a 34 character string that uniquely identifies this Operator Type or the unique name that references an Operator Type. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OperatorType </returns>
-        public static async System.Threading.Tasks.Task<OperatorTypeResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<OperatorTypeResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchOperatorTypeOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -174,10 +174,10 @@ public static ResourceSet<OperatorTypeResource> Read(ReadOperatorTypeOptions opt
         /// <param name="options"> Read OperatorType parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OperatorType </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<OperatorTypeResource>> ReadAsync(ReadOperatorTypeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<OperatorTypeResource>> ReadAsync(ReadOperatorTypeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<OperatorTypeResource>.FromJson("operator_types", response.Content);
             return new ResourceSet<OperatorTypeResource>(page, options, client);
@@ -206,10 +206,10 @@ public static ResourceSet<OperatorTypeResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<OperatorTypeResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadOperatorTypeOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Intelligence/V2/PrebuiltOperatorResource.cs b/src/Twilio/Rest/Intelligence/V2/PrebuiltOperatorResource.cs
index 16261a2b8..c377908e0 100644
--- a/src/Twilio/Rest/Intelligence/V2/PrebuiltOperatorResource.cs
+++ b/src/Twilio/Rest/Intelligence/V2/PrebuiltOperatorResource.cs
@@ -82,10 +82,10 @@ public static PrebuiltOperatorResource Fetch(FetchPrebuiltOperatorOptions option
         /// <param name="options"> Fetch PrebuiltOperator parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PrebuiltOperator </returns>
-        public static async System.Threading.Tasks.Task<PrebuiltOperatorResource> FetchAsync(FetchPrebuiltOperatorOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PrebuiltOperatorResource> FetchAsync(FetchPrebuiltOperatorOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -106,10 +106,10 @@ public static PrebuiltOperatorResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Pre-built Operator. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PrebuiltOperator </returns>
-        public static async System.Threading.Tasks.Task<PrebuiltOperatorResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PrebuiltOperatorResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPrebuiltOperatorOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -144,10 +144,10 @@ public static ResourceSet<PrebuiltOperatorResource> Read(ReadPrebuiltOperatorOpt
         /// <param name="options"> Read PrebuiltOperator parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PrebuiltOperator </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<PrebuiltOperatorResource>> ReadAsync(ReadPrebuiltOperatorOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<PrebuiltOperatorResource>> ReadAsync(ReadPrebuiltOperatorOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<PrebuiltOperatorResource>.FromJson("operators", response.Content);
             return new ResourceSet<PrebuiltOperatorResource>(page, options, client);
@@ -184,10 +184,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<PrebuiltOperatorReso
                                                                                              string languageCode = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadPrebuiltOperatorOptions(){ Availability = availability, LanguageCode = languageCode, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Intelligence/V2/ServiceResource.cs b/src/Twilio/Rest/Intelligence/V2/ServiceResource.cs
index 6f651b4a2..78723b96d 100644
--- a/src/Twilio/Rest/Intelligence/V2/ServiceResource.cs
+++ b/src/Twilio/Rest/Intelligence/V2/ServiceResource.cs
@@ -80,10 +80,10 @@ public static ServiceResource Create(CreateServiceOptions options, ITwilioRestCl
         /// <param name="options"> Create Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -139,10 +139,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(
                                                                                   bool? mediaRedaction = null,
                                                                                   string webhookUrl = null,
                                                                                   ServiceResource.HttpMethodEnum webhookHttpMethod = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateServiceOptions(uniqueName){  AutoTranscribe = autoTranscribe, DataLogging = dataLogging, FriendlyName = friendlyName, LanguageCode = languageCode, AutoRedaction = autoRedaction, MediaRedaction = mediaRedaction, WebhookUrl = webhookUrl, WebhookHttpMethod = webhookHttpMethod };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -183,11 +183,12 @@ public static bool Delete(DeleteServiceOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -207,10 +208,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Service. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteServiceOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -247,10 +248,10 @@ public static ServiceResource Fetch(FetchServiceOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -271,10 +272,10 @@ public static ServiceResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Service. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchServiceOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -309,10 +310,10 @@ public static ResourceSet<ServiceResource> Read(ReadServiceOptions options, ITwi
         /// <param name="options"> Read Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ServiceResource>.FromJson("services", response.Content);
             return new ResourceSet<ServiceResource>(page, options, client);
@@ -341,10 +342,10 @@ public static ResourceSet<ServiceResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadServiceOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -431,11 +432,12 @@ public static ServiceResource Update(UpdateServiceOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -495,10 +497,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(
                                                                               string webhookUrl = null,
                                                                               ServiceResource.HttpMethodEnum webhookHttpMethod = null,
                                                                               string ifMatch = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateServiceOptions(pathSid){ AutoTranscribe = autoTranscribe, DataLogging = dataLogging, FriendlyName = friendlyName, UniqueName = uniqueName, AutoRedaction = autoRedaction, MediaRedaction = mediaRedaction, WebhookUrl = webhookUrl, WebhookHttpMethod = webhookHttpMethod, IfMatch = ifMatch };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Intelligence/V2/Transcript/MediaResource.cs b/src/Twilio/Rest/Intelligence/V2/Transcript/MediaResource.cs
index efc83953f..fe4ffd2f4 100644
--- a/src/Twilio/Rest/Intelligence/V2/Transcript/MediaResource.cs
+++ b/src/Twilio/Rest/Intelligence/V2/Transcript/MediaResource.cs
@@ -67,10 +67,10 @@ public static MediaResource Fetch(FetchMediaOptions options, ITwilioRestClient c
         /// <param name="options"> Fetch Media parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Media </returns>
-        public static async System.Threading.Tasks.Task<MediaResource> FetchAsync(FetchMediaOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MediaResource> FetchAsync(FetchMediaOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -94,10 +94,10 @@ public static MediaResource Fetch(
         /// <param name="redacted"> Grant access to PII Redacted/Unredacted Media. If redaction is enabled, the default is `true` to access redacted media. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Media </returns>
-        public static async System.Threading.Tasks.Task<MediaResource> FetchAsync(string pathSid, bool? redacted = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MediaResource> FetchAsync(string pathSid, bool? redacted = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchMediaOptions(pathSid){ Redacted = redacted };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Intelligence/V2/Transcript/OperatorResultResource.cs b/src/Twilio/Rest/Intelligence/V2/Transcript/OperatorResultResource.cs
index 58baefc4f..66969c983 100644
--- a/src/Twilio/Rest/Intelligence/V2/Transcript/OperatorResultResource.cs
+++ b/src/Twilio/Rest/Intelligence/V2/Transcript/OperatorResultResource.cs
@@ -85,10 +85,10 @@ public static OperatorResultResource Fetch(FetchOperatorResultOptions options, I
         /// <param name="options"> Fetch OperatorResult parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OperatorResult </returns>
-        public static async System.Threading.Tasks.Task<OperatorResultResource> FetchAsync(FetchOperatorResultOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<OperatorResultResource> FetchAsync(FetchOperatorResultOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -115,10 +115,10 @@ public static OperatorResultResource Fetch(
         /// <param name="redacted"> Grant access to PII redacted/unredacted Language Understanding operator. If redaction is enabled, the default is True. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OperatorResult </returns>
-        public static async System.Threading.Tasks.Task<OperatorResultResource> FetchAsync(string pathTranscriptSid, string pathOperatorSid, bool? redacted = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<OperatorResultResource> FetchAsync(string pathTranscriptSid, string pathOperatorSid, bool? redacted = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchOperatorResultOptions(pathTranscriptSid, pathOperatorSid){ Redacted = redacted };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -155,10 +155,10 @@ public static ResourceSet<OperatorResultResource> Read(ReadOperatorResultOptions
         /// <param name="options"> Read OperatorResult parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OperatorResult </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<OperatorResultResource>> ReadAsync(ReadOperatorResultOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<OperatorResultResource>> ReadAsync(ReadOperatorResultOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<OperatorResultResource>.FromJson("operator_results", response.Content);
             return new ResourceSet<OperatorResultResource>(page, options, client);
@@ -195,10 +195,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<OperatorResultResour
                                                                                              bool? redacted = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadOperatorResultOptions(pathTranscriptSid){ Redacted = redacted, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Intelligence/V2/Transcript/SentenceResource.cs b/src/Twilio/Rest/Intelligence/V2/Transcript/SentenceResource.cs
index e05b2252e..17992b3d1 100644
--- a/src/Twilio/Rest/Intelligence/V2/Transcript/SentenceResource.cs
+++ b/src/Twilio/Rest/Intelligence/V2/Transcript/SentenceResource.cs
@@ -67,10 +67,10 @@ public static ResourceSet<SentenceResource> Read(ReadSentenceOptions options, IT
         /// <param name="options"> Read Sentence parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sentence </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SentenceResource>> ReadAsync(ReadSentenceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SentenceResource>> ReadAsync(ReadSentenceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SentenceResource>.FromJson("sentences", response.Content);
             return new ResourceSet<SentenceResource>(page, options, client);
@@ -111,10 +111,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SentenceResource>> R
                                                                                              bool? wordTimestamps = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSentenceOptions(pathTranscriptSid){ Redacted = redacted, WordTimestamps = wordTimestamps, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Intelligence/V2/TranscriptResource.cs b/src/Twilio/Rest/Intelligence/V2/TranscriptResource.cs
index 45151380d..a22460ad8 100644
--- a/src/Twilio/Rest/Intelligence/V2/TranscriptResource.cs
+++ b/src/Twilio/Rest/Intelligence/V2/TranscriptResource.cs
@@ -82,10 +82,10 @@ public static TranscriptResource Create(CreateTranscriptOptions options, ITwilio
         /// <param name="options"> Create Transcript parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcript </returns>
-        public static async System.Threading.Tasks.Task<TranscriptResource> CreateAsync(CreateTranscriptOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TranscriptResource> CreateAsync(CreateTranscriptOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -121,10 +121,10 @@ public static async System.Threading.Tasks.Task<TranscriptResource> CreateAsync(
                                                                                   object channel,
                                                                                   string customerKey = null,
                                                                                   DateTime? mediaStartTime = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTranscriptOptions(serviceSid, channel){  CustomerKey = customerKey, MediaStartTime = mediaStartTime };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -165,11 +165,12 @@ public static bool Delete(DeleteTranscriptOptions options, ITwilioRestClient cli
         /// <param name="options"> Delete Transcript parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcript </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTranscriptOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTranscriptOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -189,10 +190,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Transcript. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcript </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteTranscriptOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -229,10 +230,10 @@ public static TranscriptResource Fetch(FetchTranscriptOptions options, ITwilioRe
         /// <param name="options"> Fetch Transcript parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcript </returns>
-        public static async System.Threading.Tasks.Task<TranscriptResource> FetchAsync(FetchTranscriptOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TranscriptResource> FetchAsync(FetchTranscriptOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -253,10 +254,10 @@ public static TranscriptResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Transcript. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcript </returns>
-        public static async System.Threading.Tasks.Task<TranscriptResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TranscriptResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTranscriptOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -291,10 +292,10 @@ public static ResourceSet<TranscriptResource> Read(ReadTranscriptOptions options
         /// <param name="options"> Read Transcript parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Transcript </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TranscriptResource>> ReadAsync(ReadTranscriptOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TranscriptResource>> ReadAsync(ReadTranscriptOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<TranscriptResource>.FromJson("transcripts", response.Content);
             return new ResourceSet<TranscriptResource>(page, options, client);
@@ -355,10 +356,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<TranscriptResource>>
                                                                                              string sourceSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTranscriptOptions(){ ServiceSid = serviceSid, BeforeStartTime = beforeStartTime, AfterStartTime = afterStartTime, BeforeDateCreated = beforeDateCreated, AfterDateCreated = afterDateCreated, Status = status, LanguageCode = languageCode, SourceSid = sourceSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/IpMessaging/V1/CredentialResource.cs b/src/Twilio/Rest/IpMessaging/V1/CredentialResource.cs
index a2968629f..2b5038b4d 100644
--- a/src/Twilio/Rest/IpMessaging/V1/CredentialResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V1/CredentialResource.cs
@@ -80,10 +80,10 @@ public static CredentialResource Create(CreateCredentialOptions options, ITwilio
         /// <param name="options"> Create Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(CreateCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(CreateCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -131,10 +131,10 @@ public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(
                                                                                   bool? sandbox = null,
                                                                                   string apiKey = null,
                                                                                   string secret = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCredentialOptions(type){  FriendlyName = friendlyName, Certificate = certificate, PrivateKey = privateKey, Sandbox = sandbox, ApiKey = apiKey, Secret = secret };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -175,11 +175,12 @@ public static bool Delete(DeleteCredentialOptions options, ITwilioRestClient cli
         /// <param name="options"> Delete Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -199,10 +200,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCredentialOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -239,10 +240,10 @@ public static CredentialResource Fetch(FetchCredentialOptions options, ITwilioRe
         /// <param name="options"> Fetch Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(FetchCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(FetchCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -263,10 +264,10 @@ public static CredentialResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCredentialOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<CredentialResource> Read(ReadCredentialOptions options
         /// <param name="options"> Read Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(ReadCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(ReadCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CredentialResource>.FromJson("credentials", response.Content);
             return new ResourceSet<CredentialResource>(page, options, client);
@@ -333,10 +334,10 @@ public static ResourceSet<CredentialResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCredentialOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -423,11 +424,12 @@ public static CredentialResource Update(UpdateCredentialOptions options, ITwilio
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(UpdateCredentialOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(UpdateCredentialOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -475,10 +477,10 @@ public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(
                                                                               bool? sandbox = null,
                                                                               string apiKey = null,
                                                                               string secret = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateCredentialOptions(pathSid){ FriendlyName = friendlyName, Certificate = certificate, PrivateKey = privateKey, Sandbox = sandbox, ApiKey = apiKey, Secret = secret };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/IpMessaging/V1/Service/Channel/InviteResource.cs b/src/Twilio/Rest/IpMessaging/V1/Service/Channel/InviteResource.cs
index 99f3b6302..7b66ec382 100644
--- a/src/Twilio/Rest/IpMessaging/V1/Service/Channel/InviteResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V1/Service/Channel/InviteResource.cs
@@ -70,10 +70,10 @@ public static InviteResource Create(CreateInviteOptions options, ITwilioRestClie
         /// <param name="options"> Create Invite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<InviteResource> CreateAsync(CreateInviteOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InviteResource> CreateAsync(CreateInviteOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -109,10 +109,10 @@ public static async System.Threading.Tasks.Task<InviteResource> CreateAsync(
                                                                                   string pathChannelSid,
                                                                                   string identity,
                                                                                   string roleSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateInviteOptions(pathServiceSid, pathChannelSid, identity){  RoleSid = roleSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,11 +157,12 @@ public static bool Delete(DeleteInviteOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Invite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInviteOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInviteOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -185,10 +186,10 @@ public static bool Delete(string pathServiceSid, string pathChannelSid, string p
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteInviteOptions(pathServiceSid, pathChannelSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -229,10 +230,10 @@ public static InviteResource Fetch(FetchInviteOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Invite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<InviteResource> FetchAsync(FetchInviteOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InviteResource> FetchAsync(FetchInviteOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -259,10 +260,10 @@ public static InviteResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<InviteResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InviteResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchInviteOptions(pathServiceSid, pathChannelSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<InviteResource> Read(ReadInviteOptions options, ITwili
         /// <param name="options"> Read Invite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InviteResource>> ReadAsync(ReadInviteOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InviteResource>> ReadAsync(ReadInviteOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InviteResource>.FromJson("invites", response.Content);
             return new ResourceSet<InviteResource>(page, options, client);
@@ -345,10 +346,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<InviteResource>> Rea
                                                                                              List<string> identity = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInviteOptions(pathServiceSid, pathChannelSid){ Identity = identity, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/IpMessaging/V1/Service/Channel/MemberResource.cs b/src/Twilio/Rest/IpMessaging/V1/Service/Channel/MemberResource.cs
index 91f2f029c..6886ead0f 100644
--- a/src/Twilio/Rest/IpMessaging/V1/Service/Channel/MemberResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V1/Service/Channel/MemberResource.cs
@@ -70,10 +70,10 @@ public static MemberResource Create(CreateMemberOptions options, ITwilioRestClie
         /// <param name="options"> Create Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<MemberResource> CreateAsync(CreateMemberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> CreateAsync(CreateMemberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -109,10 +109,10 @@ public static async System.Threading.Tasks.Task<MemberResource> CreateAsync(
                                                                                   string pathChannelSid,
                                                                                   string identity,
                                                                                   string roleSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateMemberOptions(pathServiceSid, pathChannelSid, identity){  RoleSid = roleSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,11 +157,12 @@ public static bool Delete(DeleteMemberOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMemberOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMemberOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -185,10 +186,10 @@ public static bool Delete(string pathServiceSid, string pathChannelSid, string p
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteMemberOptions(pathServiceSid, pathChannelSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -229,10 +230,10 @@ public static MemberResource Fetch(FetchMemberOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(FetchMemberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(FetchMemberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -259,10 +260,10 @@ public static MemberResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchMemberOptions(pathServiceSid, pathChannelSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<MemberResource> Read(ReadMemberOptions options, ITwili
         /// <param name="options"> Read Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MemberResource>> ReadAsync(ReadMemberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MemberResource>> ReadAsync(ReadMemberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MemberResource>.FromJson("members", response.Content);
             return new ResourceSet<MemberResource>(page, options, client);
@@ -345,10 +346,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<MemberResource>> Rea
                                                                                              List<string> identity = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMemberOptions(pathServiceSid, pathChannelSid){ Identity = identity, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -439,11 +440,12 @@ public static MemberResource Update(UpdateMemberOptions options, ITwilioRestClie
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<MemberResource> UpdateAsync(UpdateMemberOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> UpdateAsync(UpdateMemberOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -483,10 +485,10 @@ public static async System.Threading.Tasks.Task<MemberResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string roleSid = null,
                                                                               int? lastConsumedMessageIndex = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateMemberOptions(pathServiceSid, pathChannelSid, pathSid){ RoleSid = roleSid, LastConsumedMessageIndex = lastConsumedMessageIndex };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/IpMessaging/V1/Service/Channel/MessageResource.cs b/src/Twilio/Rest/IpMessaging/V1/Service/Channel/MessageResource.cs
index 9c01a1d4f..2145d58b6 100644
--- a/src/Twilio/Rest/IpMessaging/V1/Service/Channel/MessageResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V1/Service/Channel/MessageResource.cs
@@ -82,10 +82,10 @@ public static MessageResource Create(CreateMessageOptions options, ITwilioRestCl
         /// <param name="options"> Create Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(CreateMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(CreateMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -125,10 +125,10 @@ public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(
                                                                                   string body,
                                                                                   string from = null,
                                                                                   string attributes = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateMessageOptions(pathServiceSid, pathChannelSid, body){  From = from, Attributes = attributes };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -173,11 +173,12 @@ public static bool Delete(DeleteMessageOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMessageOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMessageOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -201,10 +202,10 @@ public static bool Delete(string pathServiceSid, string pathChannelSid, string p
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteMessageOptions(pathServiceSid, pathChannelSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -245,10 +246,10 @@ public static MessageResource Fetch(FetchMessageOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(FetchMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(FetchMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -275,10 +276,10 @@ public static MessageResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchMessageOptions(pathServiceSid, pathChannelSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -317,10 +318,10 @@ public static ResourceSet<MessageResource> Read(ReadMessageOptions options, ITwi
         /// <param name="options"> Read Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> ReadAsync(ReadMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> ReadAsync(ReadMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MessageResource>.FromJson("messages", response.Content);
             return new ResourceSet<MessageResource>(page, options, client);
@@ -361,10 +362,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> Re
                                                                                              MessageResource.OrderTypeEnum order = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMessageOptions(pathServiceSid, pathChannelSid){ Order = order, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -455,11 +456,12 @@ public static MessageResource Update(UpdateMessageOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(UpdateMessageOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(UpdateMessageOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -499,10 +501,10 @@ public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string body = null,
                                                                               string attributes = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateMessageOptions(pathServiceSid, pathChannelSid, pathSid){ Body = body, Attributes = attributes };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/IpMessaging/V1/Service/ChannelResource.cs b/src/Twilio/Rest/IpMessaging/V1/Service/ChannelResource.cs
index c016c2bca..878113fd3 100644
--- a/src/Twilio/Rest/IpMessaging/V1/Service/ChannelResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V1/Service/ChannelResource.cs
@@ -81,10 +81,10 @@ public static ChannelResource Create(CreateChannelOptions options, ITwilioRestCl
         /// <param name="options"> Create Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ChannelResource> CreateAsync(CreateChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> CreateAsync(CreateChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -124,10 +124,10 @@ public static async System.Threading.Tasks.Task<ChannelResource> CreateAsync(
                                                                                   string uniqueName = null,
                                                                                   string attributes = null,
                                                                                   ChannelResource.ChannelTypeEnum type = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateChannelOptions(pathServiceSid){  FriendlyName = friendlyName, UniqueName = uniqueName, Attributes = attributes, Type = type };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -170,11 +170,12 @@ public static bool Delete(DeleteChannelOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteChannelOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteChannelOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -196,10 +197,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteChannelOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -238,10 +239,10 @@ public static ChannelResource Fetch(FetchChannelOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(FetchChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(FetchChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -265,10 +266,10 @@ public static ChannelResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchChannelOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -305,10 +306,10 @@ public static ResourceSet<ChannelResource> Read(ReadChannelOptions options, ITwi
         /// <param name="options"> Read Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ChannelResource>> ReadAsync(ReadChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ChannelResource>> ReadAsync(ReadChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ChannelResource>.FromJson("channels", response.Content);
             return new ResourceSet<ChannelResource>(page, options, client);
@@ -345,10 +346,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ChannelResource>> Re
                                                                                              List<ChannelResource.ChannelTypeEnum> type = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadChannelOptions(pathServiceSid){ Type = type, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -437,11 +438,12 @@ public static ChannelResource Update(UpdateChannelOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ChannelResource> UpdateAsync(UpdateChannelOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> UpdateAsync(UpdateChannelOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -481,10 +483,10 @@ public static async System.Threading.Tasks.Task<ChannelResource> UpdateAsync(
                                                                               string friendlyName = null,
                                                                               string uniqueName = null,
                                                                               string attributes = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateChannelOptions(pathServiceSid, pathSid){ FriendlyName = friendlyName, UniqueName = uniqueName, Attributes = attributes };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/IpMessaging/V1/Service/RoleResource.cs b/src/Twilio/Rest/IpMessaging/V1/Service/RoleResource.cs
index b5204ec5f..70c4c050f 100644
--- a/src/Twilio/Rest/IpMessaging/V1/Service/RoleResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V1/Service/RoleResource.cs
@@ -81,10 +81,10 @@ public static RoleResource Create(CreateRoleOptions options, ITwilioRestClient c
         /// <param name="options"> Create Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(CreateRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(CreateRoleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -120,10 +120,10 @@ public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(
                                                                                   string friendlyName,
                                                                                   RoleResource.RoleTypeEnum type,
                                                                                   List<string> permission,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateRoleOptions(pathServiceSid, friendlyName, type, permission){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -166,11 +166,12 @@ public static bool Delete(DeleteRoleOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRoleOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRoleOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -192,10 +193,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteRoleOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -234,10 +235,10 @@ public static RoleResource Fetch(FetchRoleOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(FetchRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(FetchRoleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -261,10 +262,10 @@ public static RoleResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRoleOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<RoleResource> Read(ReadRoleOptions options, ITwilioRes
         /// <param name="options"> Read Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadAsync(ReadRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadAsync(ReadRoleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RoleResource>.FromJson("roles", response.Content);
             return new ResourceSet<RoleResource>(page, options, client);
@@ -337,10 +338,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadA
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRoleOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -429,11 +430,12 @@ public static RoleResource Update(UpdateRoleOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(UpdateRoleOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(UpdateRoleOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -465,10 +467,10 @@ public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(
                                                                               string pathServiceSid,
                                                                               string pathSid,
                                                                               List<string> permission,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateRoleOptions(pathServiceSid, pathSid, permission){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/IpMessaging/V1/Service/User/UserChannelResource.cs b/src/Twilio/Rest/IpMessaging/V1/Service/User/UserChannelResource.cs
index 9c3ee724b..9d14e2fe5 100644
--- a/src/Twilio/Rest/IpMessaging/V1/Service/User/UserChannelResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V1/Service/User/UserChannelResource.cs
@@ -83,10 +83,10 @@ public static ResourceSet<UserChannelResource> Read(ReadUserChannelOptions optio
         /// <param name="options"> Read UserChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserChannel </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UserChannelResource>> ReadAsync(ReadUserChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UserChannelResource>> ReadAsync(ReadUserChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<UserChannelResource>.FromJson("channels", response.Content);
             return new ResourceSet<UserChannelResource>(page, options, client);
@@ -123,10 +123,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<UserChannelResource>
                                                                                              string pathUserSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUserChannelOptions(pathServiceSid, pathUserSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/IpMessaging/V1/Service/UserResource.cs b/src/Twilio/Rest/IpMessaging/V1/Service/UserResource.cs
index c7a89271d..3dd48a25b 100644
--- a/src/Twilio/Rest/IpMessaging/V1/Service/UserResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V1/Service/UserResource.cs
@@ -68,10 +68,10 @@ public static UserResource Create(CreateUserOptions options, ITwilioRestClient c
         /// <param name="options"> Create User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> CreateAsync(CreateUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> CreateAsync(CreateUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -111,10 +111,10 @@ public static async System.Threading.Tasks.Task<UserResource> CreateAsync(
                                                                                   string roleSid = null,
                                                                                   string attributes = null,
                                                                                   string friendlyName = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateUserOptions(pathServiceSid, identity){  RoleSid = roleSid, Attributes = attributes, FriendlyName = friendlyName };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,11 +157,12 @@ public static bool Delete(DeleteUserOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -183,10 +184,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteUserOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -225,10 +226,10 @@ public static UserResource Fetch(FetchUserOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(FetchUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(FetchUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -252,10 +253,10 @@ public static UserResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUserOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -292,10 +293,10 @@ public static ResourceSet<UserResource> Read(ReadUserOptions options, ITwilioRes
         /// <param name="options"> Read User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadAsync(ReadUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadAsync(ReadUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<UserResource>.FromJson("users", response.Content);
             return new ResourceSet<UserResource>(page, options, client);
@@ -328,10 +329,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadA
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUserOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -420,11 +421,12 @@ public static UserResource Update(UpdateUserOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(UpdateUserOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(UpdateUserOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -464,10 +466,10 @@ public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(
                                                                               string roleSid = null,
                                                                               string attributes = null,
                                                                               string friendlyName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateUserOptions(pathServiceSid, pathSid){ RoleSid = roleSid, Attributes = attributes, FriendlyName = friendlyName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/IpMessaging/V1/ServiceResource.cs b/src/Twilio/Rest/IpMessaging/V1/ServiceResource.cs
index e7c4925b4..aba57449e 100644
--- a/src/Twilio/Rest/IpMessaging/V1/ServiceResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V1/ServiceResource.cs
@@ -66,10 +66,10 @@ public static ServiceResource Create(CreateServiceOptions options, ITwilioRestCl
         /// <param name="options"> Create Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -93,10 +93,10 @@ public static ServiceResource Create(
         /// <returns> Task that resolves to A single instance of Service </returns>
         public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(
                                                                                   string friendlyName,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateServiceOptions(friendlyName){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -137,11 +137,12 @@ public static bool Delete(DeleteServiceOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -161,10 +162,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteServiceOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -201,10 +202,10 @@ public static ServiceResource Fetch(FetchServiceOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -225,10 +226,10 @@ public static ServiceResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchServiceOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -263,10 +264,10 @@ public static ResourceSet<ServiceResource> Read(ReadServiceOptions options, ITwi
         /// <param name="options"> Read Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ServiceResource>.FromJson("services", response.Content);
             return new ResourceSet<ServiceResource>(page, options, client);
@@ -295,10 +296,10 @@ public static ResourceSet<ServiceResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadServiceOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -385,11 +386,12 @@ public static ServiceResource Update(UpdateServiceOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -629,10 +631,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(
                                                                               Twilio.Http.HttpMethod webhooksOnMemberRemovedMethod = null,
                                                                               int? limitsChannelMembers = null,
                                                                               int? limitsUserChannels = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateServiceOptions(pathSid){ FriendlyName = friendlyName, DefaultServiceRoleSid = defaultServiceRoleSid, DefaultChannelRoleSid = defaultChannelRoleSid, DefaultChannelCreatorRoleSid = defaultChannelCreatorRoleSid, ReadStatusEnabled = readStatusEnabled, ReachabilityEnabled = reachabilityEnabled, TypingIndicatorTimeout = typingIndicatorTimeout, ConsumptionReportInterval = consumptionReportInterval, NotificationsNewMessageEnabled = notificationsNewMessageEnabled, NotificationsNewMessageTemplate = notificationsNewMessageTemplate, NotificationsAddedToChannelEnabled = notificationsAddedToChannelEnabled, NotificationsAddedToChannelTemplate = notificationsAddedToChannelTemplate, NotificationsRemovedFromChannelEnabled = notificationsRemovedFromChannelEnabled, NotificationsRemovedFromChannelTemplate = notificationsRemovedFromChannelTemplate, NotificationsInvitedToChannelEnabled = notificationsInvitedToChannelEnabled, NotificationsInvitedToChannelTemplate = notificationsInvitedToChannelTemplate, PreWebhookUrl = preWebhookUrl, PostWebhookUrl = postWebhookUrl, WebhookMethod = webhookMethod, WebhookFilters = webhookFilters, WebhooksOnMessageSendUrl = webhooksOnMessageSendUrl, WebhooksOnMessageSendMethod = webhooksOnMessageSendMethod, WebhooksOnMessageUpdateUrl = webhooksOnMessageUpdateUrl, WebhooksOnMessageUpdateMethod = webhooksOnMessageUpdateMethod, WebhooksOnMessageRemoveUrl = webhooksOnMessageRemoveUrl, WebhooksOnMessageRemoveMethod = webhooksOnMessageRemoveMethod, WebhooksOnChannelAddUrl = webhooksOnChannelAddUrl, WebhooksOnChannelAddMethod = webhooksOnChannelAddMethod, WebhooksOnChannelDestroyUrl = webhooksOnChannelDestroyUrl, WebhooksOnChannelDestroyMethod = webhooksOnChannelDestroyMethod, WebhooksOnChannelUpdateUrl = webhooksOnChannelUpdateUrl, WebhooksOnChannelUpdateMethod = webhooksOnChannelUpdateMethod, WebhooksOnMemberAddUrl = webhooksOnMemberAddUrl, WebhooksOnMemberAddMethod = webhooksOnMemberAddMethod, WebhooksOnMemberRemoveUrl = webhooksOnMemberRemoveUrl, WebhooksOnMemberRemoveMethod = webhooksOnMemberRemoveMethod, WebhooksOnMessageSentUrl = webhooksOnMessageSentUrl, WebhooksOnMessageSentMethod = webhooksOnMessageSentMethod, WebhooksOnMessageUpdatedUrl = webhooksOnMessageUpdatedUrl, WebhooksOnMessageUpdatedMethod = webhooksOnMessageUpdatedMethod, WebhooksOnMessageRemovedUrl = webhooksOnMessageRemovedUrl, WebhooksOnMessageRemovedMethod = webhooksOnMessageRemovedMethod, WebhooksOnChannelAddedUrl = webhooksOnChannelAddedUrl, WebhooksOnChannelAddedMethod = webhooksOnChannelAddedMethod, WebhooksOnChannelDestroyedUrl = webhooksOnChannelDestroyedUrl, WebhooksOnChannelDestroyedMethod = webhooksOnChannelDestroyedMethod, WebhooksOnChannelUpdatedUrl = webhooksOnChannelUpdatedUrl, WebhooksOnChannelUpdatedMethod = webhooksOnChannelUpdatedMethod, WebhooksOnMemberAddedUrl = webhooksOnMemberAddedUrl, WebhooksOnMemberAddedMethod = webhooksOnMemberAddedMethod, WebhooksOnMemberRemovedUrl = webhooksOnMemberRemovedUrl, WebhooksOnMemberRemovedMethod = webhooksOnMemberRemovedMethod, LimitsChannelMembers = limitsChannelMembers, LimitsUserChannels = limitsUserChannels };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/IpMessaging/V2/CredentialResource.cs b/src/Twilio/Rest/IpMessaging/V2/CredentialResource.cs
index 70bb791a1..629407509 100644
--- a/src/Twilio/Rest/IpMessaging/V2/CredentialResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V2/CredentialResource.cs
@@ -80,10 +80,10 @@ public static CredentialResource Create(CreateCredentialOptions options, ITwilio
         /// <param name="options"> Create Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(CreateCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(CreateCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -131,10 +131,10 @@ public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(
                                                                                   bool? sandbox = null,
                                                                                   string apiKey = null,
                                                                                   string secret = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCredentialOptions(type){  FriendlyName = friendlyName, Certificate = certificate, PrivateKey = privateKey, Sandbox = sandbox, ApiKey = apiKey, Secret = secret };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -175,11 +175,12 @@ public static bool Delete(DeleteCredentialOptions options, ITwilioRestClient cli
         /// <param name="options"> Delete Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -199,10 +200,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCredentialOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -239,10 +240,10 @@ public static CredentialResource Fetch(FetchCredentialOptions options, ITwilioRe
         /// <param name="options"> Fetch Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(FetchCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(FetchCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -263,10 +264,10 @@ public static CredentialResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCredentialOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<CredentialResource> Read(ReadCredentialOptions options
         /// <param name="options"> Read Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(ReadCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(ReadCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CredentialResource>.FromJson("credentials", response.Content);
             return new ResourceSet<CredentialResource>(page, options, client);
@@ -333,10 +334,10 @@ public static ResourceSet<CredentialResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCredentialOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -423,11 +424,12 @@ public static CredentialResource Update(UpdateCredentialOptions options, ITwilio
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(UpdateCredentialOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(UpdateCredentialOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -475,10 +477,10 @@ public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(
                                                                               bool? sandbox = null,
                                                                               string apiKey = null,
                                                                               string secret = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateCredentialOptions(pathSid){ FriendlyName = friendlyName, Certificate = certificate, PrivateKey = privateKey, Sandbox = sandbox, ApiKey = apiKey, Secret = secret };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/IpMessaging/V2/Service/BindingResource.cs b/src/Twilio/Rest/IpMessaging/V2/Service/BindingResource.cs
index c2d72aa2c..3c079345c 100644
--- a/src/Twilio/Rest/IpMessaging/V2/Service/BindingResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V2/Service/BindingResource.cs
@@ -87,11 +87,12 @@ public static bool Delete(DeleteBindingOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Binding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteBindingOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteBindingOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -113,10 +114,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteBindingOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -155,10 +156,10 @@ public static BindingResource Fetch(FetchBindingOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Binding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<BindingResource> FetchAsync(FetchBindingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BindingResource> FetchAsync(FetchBindingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -182,10 +183,10 @@ public static BindingResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<BindingResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BindingResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchBindingOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -222,10 +223,10 @@ public static ResourceSet<BindingResource> Read(ReadBindingOptions options, ITwi
         /// <param name="options"> Read Binding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<BindingResource>> ReadAsync(ReadBindingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<BindingResource>> ReadAsync(ReadBindingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<BindingResource>.FromJson("bindings", response.Content);
             return new ResourceSet<BindingResource>(page, options, client);
@@ -266,10 +267,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<BindingResource>> Re
                                                                                              List<string> identity = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadBindingOptions(pathServiceSid){ BindingType = bindingType, Identity = identity, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/IpMessaging/V2/Service/Channel/InviteResource.cs b/src/Twilio/Rest/IpMessaging/V2/Service/Channel/InviteResource.cs
index 13f9532bb..aae2d0955 100644
--- a/src/Twilio/Rest/IpMessaging/V2/Service/Channel/InviteResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V2/Service/Channel/InviteResource.cs
@@ -70,10 +70,10 @@ public static InviteResource Create(CreateInviteOptions options, ITwilioRestClie
         /// <param name="options"> Create Invite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<InviteResource> CreateAsync(CreateInviteOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InviteResource> CreateAsync(CreateInviteOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -109,10 +109,10 @@ public static async System.Threading.Tasks.Task<InviteResource> CreateAsync(
                                                                                   string pathChannelSid,
                                                                                   string identity,
                                                                                   string roleSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateInviteOptions(pathServiceSid, pathChannelSid, identity){  RoleSid = roleSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,11 +157,12 @@ public static bool Delete(DeleteInviteOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Invite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInviteOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInviteOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -185,10 +186,10 @@ public static bool Delete(string pathServiceSid, string pathChannelSid, string p
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteInviteOptions(pathServiceSid, pathChannelSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -229,10 +230,10 @@ public static InviteResource Fetch(FetchInviteOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Invite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<InviteResource> FetchAsync(FetchInviteOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InviteResource> FetchAsync(FetchInviteOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -259,10 +260,10 @@ public static InviteResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<InviteResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InviteResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchInviteOptions(pathServiceSid, pathChannelSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<InviteResource> Read(ReadInviteOptions options, ITwili
         /// <param name="options"> Read Invite parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Invite </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InviteResource>> ReadAsync(ReadInviteOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InviteResource>> ReadAsync(ReadInviteOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InviteResource>.FromJson("invites", response.Content);
             return new ResourceSet<InviteResource>(page, options, client);
@@ -345,10 +346,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<InviteResource>> Rea
                                                                                              List<string> identity = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInviteOptions(pathServiceSid, pathChannelSid){ Identity = identity, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/IpMessaging/V2/Service/Channel/MemberResource.cs b/src/Twilio/Rest/IpMessaging/V2/Service/Channel/MemberResource.cs
index 3dcca97e9..2ae706227 100644
--- a/src/Twilio/Rest/IpMessaging/V2/Service/Channel/MemberResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V2/Service/Channel/MemberResource.cs
@@ -82,10 +82,10 @@ public static MemberResource Create(CreateMemberOptions options, ITwilioRestClie
         /// <param name="options"> Create Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<MemberResource> CreateAsync(CreateMemberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> CreateAsync(CreateMemberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -145,10 +145,10 @@ public static async System.Threading.Tasks.Task<MemberResource> CreateAsync(
                                                                                   DateTime? dateUpdated = null,
                                                                                   string attributes = null,
                                                                                   MemberResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateMemberOptions(pathServiceSid, pathChannelSid, identity){  RoleSid = roleSid, LastConsumedMessageIndex = lastConsumedMessageIndex, LastConsumptionTimestamp = lastConsumptionTimestamp, DateCreated = dateCreated, DateUpdated = dateUpdated, Attributes = attributes, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -193,11 +193,12 @@ public static bool Delete(DeleteMemberOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMemberOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMemberOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -223,10 +224,10 @@ public static bool Delete(string pathServiceSid, string pathChannelSid, string p
         /// <param name="xTwilioWebhookEnabled"> The X-Twilio-Webhook-Enabled HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, MemberResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, MemberResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteMemberOptions(pathServiceSid, pathChannelSid, pathSid)  { XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -267,10 +268,10 @@ public static MemberResource Fetch(FetchMemberOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(FetchMemberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(FetchMemberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -297,10 +298,10 @@ public static MemberResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchMemberOptions(pathServiceSid, pathChannelSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -339,10 +340,10 @@ public static ResourceSet<MemberResource> Read(ReadMemberOptions options, ITwili
         /// <param name="options"> Read Member parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MemberResource>> ReadAsync(ReadMemberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MemberResource>> ReadAsync(ReadMemberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MemberResource>.FromJson("members", response.Content);
             return new ResourceSet<MemberResource>(page, options, client);
@@ -383,10 +384,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<MemberResource>> Rea
                                                                                              List<string> identity = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMemberOptions(pathServiceSid, pathChannelSid){ Identity = identity, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -477,11 +478,12 @@ public static MemberResource Update(UpdateMemberOptions options, ITwilioRestClie
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Member </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<MemberResource> UpdateAsync(UpdateMemberOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MemberResource> UpdateAsync(UpdateMemberOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -541,10 +543,10 @@ public static async System.Threading.Tasks.Task<MemberResource> UpdateAsync(
                                                                               DateTime? dateUpdated = null,
                                                                               string attributes = null,
                                                                               MemberResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateMemberOptions(pathServiceSid, pathChannelSid, pathSid){ RoleSid = roleSid, LastConsumedMessageIndex = lastConsumedMessageIndex, LastConsumptionTimestamp = lastConsumptionTimestamp, DateCreated = dateCreated, DateUpdated = dateUpdated, Attributes = attributes, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/IpMessaging/V2/Service/Channel/MessageResource.cs b/src/Twilio/Rest/IpMessaging/V2/Service/Channel/MessageResource.cs
index 94a7c97a3..1a12a3838 100644
--- a/src/Twilio/Rest/IpMessaging/V2/Service/Channel/MessageResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V2/Service/Channel/MessageResource.cs
@@ -94,10 +94,10 @@ public static MessageResource Create(CreateMessageOptions options, ITwilioRestCl
         /// <param name="options"> Create Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(CreateMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(CreateMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -157,10 +157,10 @@ public static async System.Threading.Tasks.Task<MessageResource> CreateAsync(
                                                                                   string body = null,
                                                                                   string mediaSid = null,
                                                                                   MessageResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateMessageOptions(pathServiceSid, pathChannelSid){  From = from, Attributes = attributes, DateCreated = dateCreated, DateUpdated = dateUpdated, LastUpdatedBy = lastUpdatedBy, Body = body, MediaSid = mediaSid, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -205,11 +205,12 @@ public static bool Delete(DeleteMessageOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMessageOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMessageOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -235,10 +236,10 @@ public static bool Delete(string pathServiceSid, string pathChannelSid, string p
         /// <param name="xTwilioWebhookEnabled"> The X-Twilio-Webhook-Enabled HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, MessageResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, MessageResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteMessageOptions(pathServiceSid, pathChannelSid, pathSid)  { XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -279,10 +280,10 @@ public static MessageResource Fetch(FetchMessageOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(FetchMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(FetchMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -309,10 +310,10 @@ public static MessageResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchMessageOptions(pathServiceSid, pathChannelSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -351,10 +352,10 @@ public static ResourceSet<MessageResource> Read(ReadMessageOptions options, ITwi
         /// <param name="options"> Read Message parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> ReadAsync(ReadMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> ReadAsync(ReadMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MessageResource>.FromJson("messages", response.Content);
             return new ResourceSet<MessageResource>(page, options, client);
@@ -395,10 +396,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<MessageResource>> Re
                                                                                              MessageResource.OrderTypeEnum order = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMessageOptions(pathServiceSid, pathChannelSid){ Order = order, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -489,11 +490,12 @@ public static MessageResource Update(UpdateMessageOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Message </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(UpdateMessageOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(UpdateMessageOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -553,10 +555,10 @@ public static async System.Threading.Tasks.Task<MessageResource> UpdateAsync(
                                                                               string lastUpdatedBy = null,
                                                                               string from = null,
                                                                               MessageResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateMessageOptions(pathServiceSid, pathChannelSid, pathSid){ Body = body, Attributes = attributes, DateCreated = dateCreated, DateUpdated = dateUpdated, LastUpdatedBy = lastUpdatedBy, From = from, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/IpMessaging/V2/Service/Channel/WebhookResource.cs b/src/Twilio/Rest/IpMessaging/V2/Service/Channel/WebhookResource.cs
index f07f7cde0..a4699205d 100644
--- a/src/Twilio/Rest/IpMessaging/V2/Service/Channel/WebhookResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V2/Service/Channel/WebhookResource.cs
@@ -95,10 +95,10 @@ public static WebhookResource Create(CreateWebhookOptions options, ITwilioRestCl
         /// <param name="options"> Create Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> CreateAsync(CreateWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> CreateAsync(CreateWebhookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -154,10 +154,10 @@ public static async System.Threading.Tasks.Task<WebhookResource> CreateAsync(
                                                                                   List<string> configurationTriggers = null,
                                                                                   string configurationFlowSid = null,
                                                                                   int? configurationRetryCount = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateWebhookOptions(pathServiceSid, pathChannelSid, type){  ConfigurationUrl = configurationUrl, ConfigurationMethod = configurationMethod, ConfigurationFilters = configurationFilters, ConfigurationTriggers = configurationTriggers, ConfigurationFlowSid = configurationFlowSid, ConfigurationRetryCount = configurationRetryCount };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -202,11 +202,12 @@ public static bool Delete(DeleteWebhookOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWebhookOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWebhookOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -230,10 +231,10 @@ public static bool Delete(string pathServiceSid, string pathChannelSid, string p
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteWebhookOptions(pathServiceSid, pathChannelSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -274,10 +275,10 @@ public static WebhookResource Fetch(FetchWebhookOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(FetchWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(FetchWebhookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -304,10 +305,10 @@ public static WebhookResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(string pathServiceSid, string pathChannelSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWebhookOptions(pathServiceSid, pathChannelSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -346,10 +347,10 @@ public static ResourceSet<WebhookResource> Read(ReadWebhookOptions options, ITwi
         /// <param name="options"> Read Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<WebhookResource>> ReadAsync(ReadWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<WebhookResource>> ReadAsync(ReadWebhookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<WebhookResource>.FromJson("webhooks", response.Content);
             return new ResourceSet<WebhookResource>(page, options, client);
@@ -386,10 +387,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<WebhookResource>> Re
                                                                                              string pathChannelSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadWebhookOptions(pathServiceSid, pathChannelSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -480,11 +481,12 @@ public static WebhookResource Update(UpdateWebhookOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(UpdateWebhookOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(UpdateWebhookOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -540,10 +542,10 @@ public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(
                                                                               List<string> configurationTriggers = null,
                                                                               string configurationFlowSid = null,
                                                                               int? configurationRetryCount = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateWebhookOptions(pathServiceSid, pathChannelSid, pathSid){ ConfigurationUrl = configurationUrl, ConfigurationMethod = configurationMethod, ConfigurationFilters = configurationFilters, ConfigurationTriggers = configurationTriggers, ConfigurationFlowSid = configurationFlowSid, ConfigurationRetryCount = configurationRetryCount };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/IpMessaging/V2/Service/ChannelResource.cs b/src/Twilio/Rest/IpMessaging/V2/Service/ChannelResource.cs
index d52811ee3..11f09bf91 100644
--- a/src/Twilio/Rest/IpMessaging/V2/Service/ChannelResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V2/Service/ChannelResource.cs
@@ -93,10 +93,10 @@ public static ChannelResource Create(CreateChannelOptions options, ITwilioRestCl
         /// <param name="options"> Create Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ChannelResource> CreateAsync(CreateChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> CreateAsync(CreateChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -152,10 +152,10 @@ public static async System.Threading.Tasks.Task<ChannelResource> CreateAsync(
                                                                                   DateTime? dateUpdated = null,
                                                                                   string createdBy = null,
                                                                                   ChannelResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateChannelOptions(pathServiceSid){  FriendlyName = friendlyName, UniqueName = uniqueName, Attributes = attributes, Type = type, DateCreated = dateCreated, DateUpdated = dateUpdated, CreatedBy = createdBy, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -198,11 +198,12 @@ public static bool Delete(DeleteChannelOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteChannelOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteChannelOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -226,10 +227,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ChannelResource
         /// <param name="xTwilioWebhookEnabled"> The X-Twilio-Webhook-Enabled HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ChannelResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ChannelResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteChannelOptions(pathServiceSid, pathSid)  { XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -268,10 +269,10 @@ public static ChannelResource Fetch(FetchChannelOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(FetchChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(FetchChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -295,10 +296,10 @@ public static ChannelResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchChannelOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -335,10 +336,10 @@ public static ResourceSet<ChannelResource> Read(ReadChannelOptions options, ITwi
         /// <param name="options"> Read Channel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ChannelResource>> ReadAsync(ReadChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ChannelResource>> ReadAsync(ReadChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ChannelResource>.FromJson("channels", response.Content);
             return new ResourceSet<ChannelResource>(page, options, client);
@@ -375,10 +376,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ChannelResource>> Re
                                                                                              List<ChannelResource.ChannelTypeEnum> type = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadChannelOptions(pathServiceSid){ Type = type, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -467,11 +468,12 @@ public static ChannelResource Update(UpdateChannelOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Channel </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ChannelResource> UpdateAsync(UpdateChannelOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelResource> UpdateAsync(UpdateChannelOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -527,10 +529,10 @@ public static async System.Threading.Tasks.Task<ChannelResource> UpdateAsync(
                                                                               DateTime? dateUpdated = null,
                                                                               string createdBy = null,
                                                                               ChannelResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateChannelOptions(pathServiceSid, pathSid){ FriendlyName = friendlyName, UniqueName = uniqueName, Attributes = attributes, DateCreated = dateCreated, DateUpdated = dateUpdated, CreatedBy = createdBy, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/IpMessaging/V2/Service/RoleResource.cs b/src/Twilio/Rest/IpMessaging/V2/Service/RoleResource.cs
index 470eeaaca..b56a87efa 100644
--- a/src/Twilio/Rest/IpMessaging/V2/Service/RoleResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V2/Service/RoleResource.cs
@@ -81,10 +81,10 @@ public static RoleResource Create(CreateRoleOptions options, ITwilioRestClient c
         /// <param name="options"> Create Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(CreateRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(CreateRoleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -120,10 +120,10 @@ public static async System.Threading.Tasks.Task<RoleResource> CreateAsync(
                                                                                   string friendlyName,
                                                                                   RoleResource.RoleTypeEnum type,
                                                                                   List<string> permission,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateRoleOptions(pathServiceSid, friendlyName, type, permission){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -166,11 +166,12 @@ public static bool Delete(DeleteRoleOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRoleOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRoleOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -192,10 +193,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteRoleOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -234,10 +235,10 @@ public static RoleResource Fetch(FetchRoleOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(FetchRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(FetchRoleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -261,10 +262,10 @@ public static RoleResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRoleOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<RoleResource> Read(ReadRoleOptions options, ITwilioRes
         /// <param name="options"> Read Role parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadAsync(ReadRoleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadAsync(ReadRoleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RoleResource>.FromJson("roles", response.Content);
             return new ResourceSet<RoleResource>(page, options, client);
@@ -337,10 +338,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<RoleResource>> ReadA
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRoleOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -429,11 +430,12 @@ public static RoleResource Update(UpdateRoleOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Role </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(UpdateRoleOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(UpdateRoleOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -465,10 +467,10 @@ public static async System.Threading.Tasks.Task<RoleResource> UpdateAsync(
                                                                               string pathServiceSid,
                                                                               string pathSid,
                                                                               List<string> permission,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateRoleOptions(pathServiceSid, pathSid, permission){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/IpMessaging/V2/Service/User/UserBindingResource.cs b/src/Twilio/Rest/IpMessaging/V2/Service/User/UserBindingResource.cs
index dfd152737..0073c59cb 100644
--- a/src/Twilio/Rest/IpMessaging/V2/Service/User/UserBindingResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V2/Service/User/UserBindingResource.cs
@@ -89,11 +89,12 @@ public static bool Delete(DeleteUserBindingOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete UserBinding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserBinding </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserBindingOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserBindingOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -117,10 +118,10 @@ public static bool Delete(string pathServiceSid, string pathUserSid, string path
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserBinding </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathUserSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathUserSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteUserBindingOptions(pathServiceSid, pathUserSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -161,10 +162,10 @@ public static UserBindingResource Fetch(FetchUserBindingOptions options, ITwilio
         /// <param name="options"> Fetch UserBinding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserBinding </returns>
-        public static async System.Threading.Tasks.Task<UserBindingResource> FetchAsync(FetchUserBindingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserBindingResource> FetchAsync(FetchUserBindingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -191,10 +192,10 @@ public static UserBindingResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserBinding </returns>
-        public static async System.Threading.Tasks.Task<UserBindingResource> FetchAsync(string pathServiceSid, string pathUserSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserBindingResource> FetchAsync(string pathServiceSid, string pathUserSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUserBindingOptions(pathServiceSid, pathUserSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -233,10 +234,10 @@ public static ResourceSet<UserBindingResource> Read(ReadUserBindingOptions optio
         /// <param name="options"> Read UserBinding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserBinding </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UserBindingResource>> ReadAsync(ReadUserBindingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UserBindingResource>> ReadAsync(ReadUserBindingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<UserBindingResource>.FromJson("bindings", response.Content);
             return new ResourceSet<UserBindingResource>(page, options, client);
@@ -277,10 +278,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<UserBindingResource>
                                                                                              List<UserBindingResource.BindingTypeEnum> bindingType = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUserBindingOptions(pathServiceSid, pathUserSid){ BindingType = bindingType, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/IpMessaging/V2/Service/User/UserChannelResource.cs b/src/Twilio/Rest/IpMessaging/V2/Service/User/UserChannelResource.cs
index 96e29eaaa..1fb59c707 100644
--- a/src/Twilio/Rest/IpMessaging/V2/Service/User/UserChannelResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V2/Service/User/UserChannelResource.cs
@@ -102,11 +102,12 @@ public static bool Delete(DeleteUserChannelOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete UserChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserChannel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserChannelOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserChannelOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -130,10 +131,10 @@ public static bool Delete(string pathServiceSid, string pathUserSid, string path
         /// <param name="pathChannelSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserChannel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathUserSid, string pathChannelSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathUserSid, string pathChannelSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteUserChannelOptions(pathServiceSid, pathUserSid, pathChannelSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -174,10 +175,10 @@ public static UserChannelResource Fetch(FetchUserChannelOptions options, ITwilio
         /// <param name="options"> Fetch UserChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserChannel </returns>
-        public static async System.Threading.Tasks.Task<UserChannelResource> FetchAsync(FetchUserChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserChannelResource> FetchAsync(FetchUserChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -204,10 +205,10 @@ public static UserChannelResource Fetch(
         /// <param name="pathChannelSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserChannel </returns>
-        public static async System.Threading.Tasks.Task<UserChannelResource> FetchAsync(string pathServiceSid, string pathUserSid, string pathChannelSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserChannelResource> FetchAsync(string pathServiceSid, string pathUserSid, string pathChannelSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUserChannelOptions(pathServiceSid, pathUserSid, pathChannelSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -246,10 +247,10 @@ public static ResourceSet<UserChannelResource> Read(ReadUserChannelOptions optio
         /// <param name="options"> Read UserChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserChannel </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UserChannelResource>> ReadAsync(ReadUserChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UserChannelResource>> ReadAsync(ReadUserChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<UserChannelResource>.FromJson("channels", response.Content);
             return new ResourceSet<UserChannelResource>(page, options, client);
@@ -286,10 +287,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<UserChannelResource>
                                                                                              string pathUserSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUserChannelOptions(pathServiceSid, pathUserSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -380,11 +381,12 @@ public static UserChannelResource Update(UpdateUserChannelOptions options, ITwil
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UserChannel </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<UserChannelResource> UpdateAsync(UpdateUserChannelOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserChannelResource> UpdateAsync(UpdateUserChannelOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -428,10 +430,10 @@ public static async System.Threading.Tasks.Task<UserChannelResource> UpdateAsync
                                                                               UserChannelResource.NotificationLevelEnum notificationLevel = null,
                                                                               int? lastConsumedMessageIndex = null,
                                                                               DateTime? lastConsumptionTimestamp = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateUserChannelOptions(pathServiceSid, pathUserSid, pathChannelSid){ NotificationLevel = notificationLevel, LastConsumedMessageIndex = lastConsumedMessageIndex, LastConsumptionTimestamp = lastConsumptionTimestamp };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/IpMessaging/V2/Service/UserResource.cs b/src/Twilio/Rest/IpMessaging/V2/Service/UserResource.cs
index 5a72ac20f..2192bef8b 100644
--- a/src/Twilio/Rest/IpMessaging/V2/Service/UserResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V2/Service/UserResource.cs
@@ -80,10 +80,10 @@ public static UserResource Create(CreateUserOptions options, ITwilioRestClient c
         /// <param name="options"> Create User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> CreateAsync(CreateUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> CreateAsync(CreateUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -127,10 +127,10 @@ public static async System.Threading.Tasks.Task<UserResource> CreateAsync(
                                                                                   string attributes = null,
                                                                                   string friendlyName = null,
                                                                                   UserResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateUserOptions(pathServiceSid, identity){  RoleSid = roleSid, Attributes = attributes, FriendlyName = friendlyName, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -173,11 +173,12 @@ public static bool Delete(DeleteUserOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -199,10 +200,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteUserOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -241,10 +242,10 @@ public static UserResource Fetch(FetchUserOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(FetchUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(FetchUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -268,10 +269,10 @@ public static UserResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUserOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -308,10 +309,10 @@ public static ResourceSet<UserResource> Read(ReadUserOptions options, ITwilioRes
         /// <param name="options"> Read User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadAsync(ReadUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadAsync(ReadUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<UserResource>.FromJson("users", response.Content);
             return new ResourceSet<UserResource>(page, options, client);
@@ -344,10 +345,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadA
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUserOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -436,11 +437,12 @@ public static UserResource Update(UpdateUserOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(UpdateUserOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(UpdateUserOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -484,10 +486,10 @@ public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(
                                                                               string attributes = null,
                                                                               string friendlyName = null,
                                                                               UserResource.WebhookEnabledTypeEnum xTwilioWebhookEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateUserOptions(pathServiceSid, pathSid){ RoleSid = roleSid, Attributes = attributes, FriendlyName = friendlyName, XTwilioWebhookEnabled = xTwilioWebhookEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/IpMessaging/V2/ServiceResource.cs b/src/Twilio/Rest/IpMessaging/V2/ServiceResource.cs
index 22508d6e5..fcc415600 100644
--- a/src/Twilio/Rest/IpMessaging/V2/ServiceResource.cs
+++ b/src/Twilio/Rest/IpMessaging/V2/ServiceResource.cs
@@ -66,10 +66,10 @@ public static ServiceResource Create(CreateServiceOptions options, ITwilioRestCl
         /// <param name="options"> Create Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -93,10 +93,10 @@ public static ServiceResource Create(
         /// <returns> Task that resolves to A single instance of Service </returns>
         public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(
                                                                                   string friendlyName,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateServiceOptions(friendlyName){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -137,11 +137,12 @@ public static bool Delete(DeleteServiceOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -161,10 +162,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteServiceOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -201,10 +202,10 @@ public static ServiceResource Fetch(FetchServiceOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -225,10 +226,10 @@ public static ServiceResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchServiceOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -263,10 +264,10 @@ public static ResourceSet<ServiceResource> Read(ReadServiceOptions options, ITwi
         /// <param name="options"> Read Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ServiceResource>.FromJson("services", response.Content);
             return new ResourceSet<ServiceResource>(page, options, client);
@@ -295,10 +296,10 @@ public static ResourceSet<ServiceResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadServiceOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -385,11 +386,12 @@ public static ServiceResource Update(UpdateServiceOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -537,10 +539,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(
                                                                               int? preWebhookRetryCount = null,
                                                                               int? postWebhookRetryCount = null,
                                                                               bool? notificationsLogEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateServiceOptions(pathSid){ FriendlyName = friendlyName, DefaultServiceRoleSid = defaultServiceRoleSid, DefaultChannelRoleSid = defaultChannelRoleSid, DefaultChannelCreatorRoleSid = defaultChannelCreatorRoleSid, ReadStatusEnabled = readStatusEnabled, ReachabilityEnabled = reachabilityEnabled, TypingIndicatorTimeout = typingIndicatorTimeout, ConsumptionReportInterval = consumptionReportInterval, NotificationsNewMessageEnabled = notificationsNewMessageEnabled, NotificationsNewMessageTemplate = notificationsNewMessageTemplate, NotificationsNewMessageSound = notificationsNewMessageSound, NotificationsNewMessageBadgeCountEnabled = notificationsNewMessageBadgeCountEnabled, NotificationsAddedToChannelEnabled = notificationsAddedToChannelEnabled, NotificationsAddedToChannelTemplate = notificationsAddedToChannelTemplate, NotificationsAddedToChannelSound = notificationsAddedToChannelSound, NotificationsRemovedFromChannelEnabled = notificationsRemovedFromChannelEnabled, NotificationsRemovedFromChannelTemplate = notificationsRemovedFromChannelTemplate, NotificationsRemovedFromChannelSound = notificationsRemovedFromChannelSound, NotificationsInvitedToChannelEnabled = notificationsInvitedToChannelEnabled, NotificationsInvitedToChannelTemplate = notificationsInvitedToChannelTemplate, NotificationsInvitedToChannelSound = notificationsInvitedToChannelSound, PreWebhookUrl = preWebhookUrl, PostWebhookUrl = postWebhookUrl, WebhookMethod = webhookMethod, WebhookFilters = webhookFilters, LimitsChannelMembers = limitsChannelMembers, LimitsUserChannels = limitsUserChannels, MediaCompatibilityMessage = mediaCompatibilityMessage, PreWebhookRetryCount = preWebhookRetryCount, PostWebhookRetryCount = postWebhookRetryCount, NotificationsLogEnabled = notificationsLogEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Lookups/V1/PhoneNumberResource.cs b/src/Twilio/Rest/Lookups/V1/PhoneNumberResource.cs
index 54be952dd..d27bf181e 100644
--- a/src/Twilio/Rest/Lookups/V1/PhoneNumberResource.cs
+++ b/src/Twilio/Rest/Lookups/V1/PhoneNumberResource.cs
@@ -67,10 +67,10 @@ public static PhoneNumberResource Fetch(FetchPhoneNumberOptions options, ITwilio
         /// <param name="options"> Fetch PhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(FetchPhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(FetchPhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -103,10 +103,10 @@ public static PhoneNumberResource Fetch(
         /// <param name="addOnsData"> Data specific to the add-on you would like to invoke. The content and format of this value depends on the add-on. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(string pathPhoneNumber, string countryCode = null, List<string> type = null, List<string> addOns = null, Dictionary<string, object> addOnsData = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(string pathPhoneNumber, string countryCode = null, List<string> type = null, List<string> addOns = null, Dictionary<string, object> addOnsData = null, ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPhoneNumberOptions(pathPhoneNumber){ CountryCode = countryCode,Type = type,AddOns = addOns,AddOnsData = addOnsData };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Lookups/V2/PhoneNumberResource.cs b/src/Twilio/Rest/Lookups/V2/PhoneNumberResource.cs
index e691aca6d..8d6778742 100644
--- a/src/Twilio/Rest/Lookups/V2/PhoneNumberResource.cs
+++ b/src/Twilio/Rest/Lookups/V2/PhoneNumberResource.cs
@@ -84,10 +84,10 @@ public static PhoneNumberResource Fetch(FetchPhoneNumberOptions options, ITwilio
         /// <param name="options"> Fetch PhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(FetchPhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(FetchPhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -150,10 +150,10 @@ public static PhoneNumberResource Fetch(
         /// <param name="verificationSid"> The unique identifier associated with a verification process through verify API. This query parameter is only used (optionally) for pre_fill package requests. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(string pathPhoneNumber, string fields = null, string countryCode = null, string firstName = null, string lastName = null, string addressLine1 = null, string addressLine2 = null, string city = null, string state = null, string postalCode = null, string addressCountryCode = null, string nationalId = null, string dateOfBirth = null, string lastVerifiedDate = null, string verificationSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(string pathPhoneNumber, string fields = null, string countryCode = null, string firstName = null, string lastName = null, string addressLine1 = null, string addressLine2 = null, string city = null, string state = null, string postalCode = null, string addressCountryCode = null, string nationalId = null, string dateOfBirth = null, string lastVerifiedDate = null, string verificationSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPhoneNumberOptions(pathPhoneNumber){ Fields = fields,CountryCode = countryCode,FirstName = firstName,LastName = lastName,AddressLine1 = addressLine1,AddressLine2 = addressLine2,City = city,State = state,PostalCode = postalCode,AddressCountryCode = addressCountryCode,NationalId = nationalId,DateOfBirth = dateOfBirth,LastVerifiedDate = lastVerifiedDate,VerificationSid = verificationSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Marketplace/V1/AvailableAddOn/AvailableAddOnExtensionResource.cs b/src/Twilio/Rest/Marketplace/V1/AvailableAddOn/AvailableAddOnExtensionResource.cs
index 9a4773cb9..10528f453 100644
--- a/src/Twilio/Rest/Marketplace/V1/AvailableAddOn/AvailableAddOnExtensionResource.cs
+++ b/src/Twilio/Rest/Marketplace/V1/AvailableAddOn/AvailableAddOnExtensionResource.cs
@@ -69,10 +69,10 @@ public static AvailableAddOnExtensionResource Fetch(FetchAvailableAddOnExtension
         /// <param name="options"> Fetch AvailableAddOnExtension parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AvailableAddOnExtension </returns>
-        public static async System.Threading.Tasks.Task<AvailableAddOnExtensionResource> FetchAsync(FetchAvailableAddOnExtensionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AvailableAddOnExtensionResource> FetchAsync(FetchAvailableAddOnExtensionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +96,10 @@ public static AvailableAddOnExtensionResource Fetch(
         /// <param name="pathSid"> The SID of the AvailableAddOn Extension resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AvailableAddOnExtension </returns>
-        public static async System.Threading.Tasks.Task<AvailableAddOnExtensionResource> FetchAsync(string pathAvailableAddOnSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AvailableAddOnExtensionResource> FetchAsync(string pathAvailableAddOnSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAvailableAddOnExtensionOptions(pathAvailableAddOnSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -136,10 +136,10 @@ public static ResourceSet<AvailableAddOnExtensionResource> Read(ReadAvailableAdd
         /// <param name="options"> Read AvailableAddOnExtension parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AvailableAddOnExtension </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AvailableAddOnExtensionResource>> ReadAsync(ReadAvailableAddOnExtensionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AvailableAddOnExtensionResource>> ReadAsync(ReadAvailableAddOnExtensionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AvailableAddOnExtensionResource>.FromJson("extensions", response.Content);
             return new ResourceSet<AvailableAddOnExtensionResource>(page, options, client);
@@ -172,10 +172,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AvailableAddOnExtens
                                                                                              string pathAvailableAddOnSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAvailableAddOnExtensionOptions(pathAvailableAddOnSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Marketplace/V1/AvailableAddOnResource.cs b/src/Twilio/Rest/Marketplace/V1/AvailableAddOnResource.cs
index b1f522c8b..55108ae26 100644
--- a/src/Twilio/Rest/Marketplace/V1/AvailableAddOnResource.cs
+++ b/src/Twilio/Rest/Marketplace/V1/AvailableAddOnResource.cs
@@ -67,10 +67,10 @@ public static AvailableAddOnResource Fetch(FetchAvailableAddOnOptions options, I
         /// <param name="options"> Fetch AvailableAddOn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AvailableAddOn </returns>
-        public static async System.Threading.Tasks.Task<AvailableAddOnResource> FetchAsync(FetchAvailableAddOnOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AvailableAddOnResource> FetchAsync(FetchAvailableAddOnOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static AvailableAddOnResource Fetch(
         /// <param name="pathSid"> The SID of the AvailableAddOn resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AvailableAddOn </returns>
-        public static async System.Threading.Tasks.Task<AvailableAddOnResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AvailableAddOnResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAvailableAddOnOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<AvailableAddOnResource> Read(ReadAvailableAddOnOptions
         /// <param name="options"> Read AvailableAddOn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AvailableAddOn </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AvailableAddOnResource>> ReadAsync(ReadAvailableAddOnOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AvailableAddOnResource>> ReadAsync(ReadAvailableAddOnOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AvailableAddOnResource>.FromJson("available_add_ons", response.Content);
             return new ResourceSet<AvailableAddOnResource>(page, options, client);
@@ -161,10 +161,10 @@ public static ResourceSet<AvailableAddOnResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<AvailableAddOnResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAvailableAddOnOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Marketplace/V1/InstalledAddOn/InstalledAddOnExtensionResource.cs b/src/Twilio/Rest/Marketplace/V1/InstalledAddOn/InstalledAddOnExtensionResource.cs
index 7cad5fe26..2c37e51a9 100644
--- a/src/Twilio/Rest/Marketplace/V1/InstalledAddOn/InstalledAddOnExtensionResource.cs
+++ b/src/Twilio/Rest/Marketplace/V1/InstalledAddOn/InstalledAddOnExtensionResource.cs
@@ -69,10 +69,10 @@ public static InstalledAddOnExtensionResource Fetch(FetchInstalledAddOnExtension
         /// <param name="options"> Fetch InstalledAddOnExtension parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOnExtension </returns>
-        public static async System.Threading.Tasks.Task<InstalledAddOnExtensionResource> FetchAsync(FetchInstalledAddOnExtensionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InstalledAddOnExtensionResource> FetchAsync(FetchInstalledAddOnExtensionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +96,10 @@ public static InstalledAddOnExtensionResource Fetch(
         /// <param name="pathSid"> The SID of the InstalledAddOn Extension resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOnExtension </returns>
-        public static async System.Threading.Tasks.Task<InstalledAddOnExtensionResource> FetchAsync(string pathInstalledAddOnSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InstalledAddOnExtensionResource> FetchAsync(string pathInstalledAddOnSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchInstalledAddOnExtensionOptions(pathInstalledAddOnSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -136,10 +136,10 @@ public static ResourceSet<InstalledAddOnExtensionResource> Read(ReadInstalledAdd
         /// <param name="options"> Read InstalledAddOnExtension parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOnExtension </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InstalledAddOnExtensionResource>> ReadAsync(ReadInstalledAddOnExtensionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InstalledAddOnExtensionResource>> ReadAsync(ReadInstalledAddOnExtensionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InstalledAddOnExtensionResource>.FromJson("extensions", response.Content);
             return new ResourceSet<InstalledAddOnExtensionResource>(page, options, client);
@@ -172,10 +172,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<InstalledAddOnExtens
                                                                                              string pathInstalledAddOnSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInstalledAddOnExtensionOptions(pathInstalledAddOnSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -264,11 +264,12 @@ public static InstalledAddOnExtensionResource Update(UpdateInstalledAddOnExtensi
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOnExtension </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<InstalledAddOnExtensionResource> UpdateAsync(UpdateInstalledAddOnExtensionOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InstalledAddOnExtensionResource> UpdateAsync(UpdateInstalledAddOnExtensionOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -300,10 +301,10 @@ public static async System.Threading.Tasks.Task<InstalledAddOnExtensionResource>
                                                                               string pathInstalledAddOnSid,
                                                                               string pathSid,
                                                                               bool? enabled,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateInstalledAddOnExtensionOptions(pathInstalledAddOnSid, pathSid, enabled){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Marketplace/V1/InstalledAddOn/InstalledAddOnUsageResource.cs b/src/Twilio/Rest/Marketplace/V1/InstalledAddOn/InstalledAddOnUsageResource.cs
index 0e455976a..4d9760cd4 100644
--- a/src/Twilio/Rest/Marketplace/V1/InstalledAddOn/InstalledAddOnUsageResource.cs
+++ b/src/Twilio/Rest/Marketplace/V1/InstalledAddOn/InstalledAddOnUsageResource.cs
@@ -134,10 +134,10 @@ public static InstalledAddOnUsageResource Create(CreateInstalledAddOnUsageOption
         /// <param name="options"> Create InstalledAddOnUsage parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOnUsage </returns>
-        public static async System.Threading.Tasks.Task<InstalledAddOnUsageResource> CreateAsync(CreateInstalledAddOnUsageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InstalledAddOnUsageResource> CreateAsync(CreateInstalledAddOnUsageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -165,10 +165,10 @@ public static InstalledAddOnUsageResource Create(
         public static async System.Threading.Tasks.Task<InstalledAddOnUsageResource> CreateAsync(
                                                                                   string pathInstalledAddOnSid,
                                                                                   InstalledAddOnUsageResource.MarketplaceV1InstalledAddOnInstalledAddOnUsage marketplaceV1InstalledAddOnInstalledAddOnUsage,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateInstalledAddOnUsageOptions(pathInstalledAddOnSid, marketplaceV1InstalledAddOnInstalledAddOnUsage){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Marketplace/V1/InstalledAddOnResource.cs b/src/Twilio/Rest/Marketplace/V1/InstalledAddOnResource.cs
index be3e7716e..70941f440 100644
--- a/src/Twilio/Rest/Marketplace/V1/InstalledAddOnResource.cs
+++ b/src/Twilio/Rest/Marketplace/V1/InstalledAddOnResource.cs
@@ -66,10 +66,10 @@ public static InstalledAddOnResource Create(CreateInstalledAddOnOptions options,
         /// <param name="options"> Create InstalledAddOn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOn </returns>
-        public static async System.Threading.Tasks.Task<InstalledAddOnResource> CreateAsync(CreateInstalledAddOnOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InstalledAddOnResource> CreateAsync(CreateInstalledAddOnOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -105,10 +105,10 @@ public static async System.Threading.Tasks.Task<InstalledAddOnResource> CreateAs
                                                                                   bool? acceptTermsOfService,
                                                                                   object configuration = null,
                                                                                   string uniqueName = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateInstalledAddOnOptions(availableAddOnSid, acceptTermsOfService){  Configuration = configuration, UniqueName = uniqueName };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,11 +149,12 @@ public static bool Delete(DeleteInstalledAddOnOptions options, ITwilioRestClient
         /// <param name="options"> Delete InstalledAddOn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOn </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInstalledAddOnOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInstalledAddOnOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -173,10 +174,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the InstalledAddOn resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOn </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteInstalledAddOnOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static InstalledAddOnResource Fetch(FetchInstalledAddOnOptions options, I
         /// <param name="options"> Fetch InstalledAddOn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOn </returns>
-        public static async System.Threading.Tasks.Task<InstalledAddOnResource> FetchAsync(FetchInstalledAddOnOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InstalledAddOnResource> FetchAsync(FetchInstalledAddOnOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -237,10 +238,10 @@ public static InstalledAddOnResource Fetch(
         /// <param name="pathSid"> The SID of the InstalledAddOn resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOn </returns>
-        public static async System.Threading.Tasks.Task<InstalledAddOnResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InstalledAddOnResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchInstalledAddOnOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -275,10 +276,10 @@ public static ResourceSet<InstalledAddOnResource> Read(ReadInstalledAddOnOptions
         /// <param name="options"> Read InstalledAddOn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOn </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InstalledAddOnResource>> ReadAsync(ReadInstalledAddOnOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InstalledAddOnResource>> ReadAsync(ReadInstalledAddOnOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InstalledAddOnResource>.FromJson("installed_add_ons", response.Content);
             return new ResourceSet<InstalledAddOnResource>(page, options, client);
@@ -307,10 +308,10 @@ public static ResourceSet<InstalledAddOnResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<InstalledAddOnResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInstalledAddOnOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -397,11 +398,12 @@ public static InstalledAddOnResource Update(UpdateInstalledAddOnOptions options,
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOn </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<InstalledAddOnResource> UpdateAsync(UpdateInstalledAddOnOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InstalledAddOnResource> UpdateAsync(UpdateInstalledAddOnOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -433,10 +435,10 @@ public static async System.Threading.Tasks.Task<InstalledAddOnResource> UpdateAs
                                                                               string pathSid,
                                                                               object configuration = null,
                                                                               string uniqueName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateInstalledAddOnOptions(pathSid){ Configuration = configuration, UniqueName = uniqueName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Marketplace/V1/ModuleDataManagementResource.cs b/src/Twilio/Rest/Marketplace/V1/ModuleDataManagementResource.cs
index 25f3bb701..223935338 100644
--- a/src/Twilio/Rest/Marketplace/V1/ModuleDataManagementResource.cs
+++ b/src/Twilio/Rest/Marketplace/V1/ModuleDataManagementResource.cs
@@ -67,10 +67,10 @@ public static ModuleDataManagementResource Fetch(FetchModuleDataManagementOption
         /// <param name="options"> Fetch ModuleDataManagement parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ModuleDataManagement </returns>
-        public static async System.Threading.Tasks.Task<ModuleDataManagementResource> FetchAsync(FetchModuleDataManagementOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ModuleDataManagementResource> FetchAsync(FetchModuleDataManagementOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static ModuleDataManagementResource Fetch(
         /// <param name="pathSid"> The unique identifier of a Listing. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ModuleDataManagement </returns>
-        public static async System.Threading.Tasks.Task<ModuleDataManagementResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ModuleDataManagementResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchModuleDataManagementOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -132,11 +132,12 @@ public static ModuleDataManagementResource Update(UpdateModuleDataManagementOpti
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ModuleDataManagement </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ModuleDataManagementResource> UpdateAsync(UpdateModuleDataManagementOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ModuleDataManagementResource> UpdateAsync(UpdateModuleDataManagementOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -188,10 +189,10 @@ public static async System.Threading.Tasks.Task<ModuleDataManagementResource> Up
                                                                               string support = null,
                                                                               string configuration = null,
                                                                               string pricing = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateModuleDataManagementOptions(pathSid){ ModuleInfo = moduleInfo, Description = description, Documentation = documentation, Policies = policies, Support = support, Configuration = configuration, Pricing = pricing };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Marketplace/V1/ReferralConversionResource.cs b/src/Twilio/Rest/Marketplace/V1/ReferralConversionResource.cs
index 7cfa62133..d7a2968fc 100644
--- a/src/Twilio/Rest/Marketplace/V1/ReferralConversionResource.cs
+++ b/src/Twilio/Rest/Marketplace/V1/ReferralConversionResource.cs
@@ -89,10 +89,10 @@ public static ReferralConversionResource Create(CreateReferralConversionOptions
         /// <param name="options"> Create ReferralConversion parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ReferralConversion </returns>
-        public static async System.Threading.Tasks.Task<ReferralConversionResource> CreateAsync(CreateReferralConversionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ReferralConversionResource> CreateAsync(CreateReferralConversionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -116,10 +116,10 @@ public static ReferralConversionResource Create(
         /// <returns> Task that resolves to A single instance of ReferralConversion </returns>
         public static async System.Threading.Tasks.Task<ReferralConversionResource> CreateAsync(
                                                                                   ReferralConversionResource.CreateReferralConversionRequest createReferralConversionRequest,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateReferralConversionOptions(createReferralConversionRequest){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Messaging/V1/BrandRegistration/BrandRegistrationOtpResource.cs b/src/Twilio/Rest/Messaging/V1/BrandRegistration/BrandRegistrationOtpResource.cs
index 3260146db..da9a732f7 100644
--- a/src/Twilio/Rest/Messaging/V1/BrandRegistration/BrandRegistrationOtpResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/BrandRegistration/BrandRegistrationOtpResource.cs
@@ -68,10 +68,10 @@ public static BrandRegistrationOtpResource Create(CreateBrandRegistrationOtpOpti
         /// <param name="options"> Create BrandRegistrationOtp parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BrandRegistrationOtp </returns>
-        public static async System.Threading.Tasks.Task<BrandRegistrationOtpResource> CreateAsync(CreateBrandRegistrationOtpOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BrandRegistrationOtpResource> CreateAsync(CreateBrandRegistrationOtpOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -95,10 +95,10 @@ public static BrandRegistrationOtpResource Create(
         /// <returns> Task that resolves to A single instance of BrandRegistrationOtp </returns>
         public static async System.Threading.Tasks.Task<BrandRegistrationOtpResource> CreateAsync(
                                                                                   string pathBrandRegistrationSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateBrandRegistrationOtpOptions(pathBrandRegistrationSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Messaging/V1/BrandRegistration/BrandVettingResource.cs b/src/Twilio/Rest/Messaging/V1/BrandRegistration/BrandVettingResource.cs
index 7d8ff153f..071b1b3b1 100644
--- a/src/Twilio/Rest/Messaging/V1/BrandRegistration/BrandVettingResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/BrandRegistration/BrandVettingResource.cs
@@ -80,10 +80,10 @@ public static BrandVettingResource Create(CreateBrandVettingOptions options, ITw
         /// <param name="options"> Create BrandVetting parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BrandVetting </returns>
-        public static async System.Threading.Tasks.Task<BrandVettingResource> CreateAsync(CreateBrandVettingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BrandVettingResource> CreateAsync(CreateBrandVettingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -115,10 +115,10 @@ public static async System.Threading.Tasks.Task<BrandVettingResource> CreateAsyn
                                                                                   string pathBrandSid,
                                                                                   BrandVettingResource.VettingProviderEnum vettingProvider,
                                                                                   string vettingId = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateBrandVettingOptions(pathBrandSid, vettingProvider){  VettingId = vettingId };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,10 +157,10 @@ public static BrandVettingResource Fetch(FetchBrandVettingOptions options, ITwil
         /// <param name="options"> Fetch BrandVetting parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BrandVetting </returns>
-        public static async System.Threading.Tasks.Task<BrandVettingResource> FetchAsync(FetchBrandVettingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BrandVettingResource> FetchAsync(FetchBrandVettingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -184,10 +184,10 @@ public static BrandVettingResource Fetch(
         /// <param name="pathBrandVettingSid"> The Twilio SID of the third-party vetting record. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BrandVetting </returns>
-        public static async System.Threading.Tasks.Task<BrandVettingResource> FetchAsync(string pathBrandSid, string pathBrandVettingSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BrandVettingResource> FetchAsync(string pathBrandSid, string pathBrandVettingSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchBrandVettingOptions(pathBrandSid, pathBrandVettingSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -224,10 +224,10 @@ public static ResourceSet<BrandVettingResource> Read(ReadBrandVettingOptions opt
         /// <param name="options"> Read BrandVetting parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BrandVetting </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<BrandVettingResource>> ReadAsync(ReadBrandVettingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<BrandVettingResource>> ReadAsync(ReadBrandVettingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<BrandVettingResource>.FromJson("data", response.Content);
             return new ResourceSet<BrandVettingResource>(page, options, client);
@@ -264,10 +264,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<BrandVettingResource
                                                                                              BrandVettingResource.VettingProviderEnum vettingProvider = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadBrandVettingOptions(pathBrandSid){ VettingProvider = vettingProvider, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Messaging/V1/BrandRegistrationResource.cs b/src/Twilio/Rest/Messaging/V1/BrandRegistrationResource.cs
index 7e61f1e28..03cbf98e5 100644
--- a/src/Twilio/Rest/Messaging/V1/BrandRegistrationResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/BrandRegistrationResource.cs
@@ -113,10 +113,10 @@ public static BrandRegistrationResource Create(CreateBrandRegistrationOptions op
         /// <param name="options"> Create BrandRegistration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BrandRegistration </returns>
-        public static async System.Threading.Tasks.Task<BrandRegistrationResource> CreateAsync(CreateBrandRegistrationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BrandRegistrationResource> CreateAsync(CreateBrandRegistrationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -156,10 +156,10 @@ public static async System.Threading.Tasks.Task<BrandRegistrationResource> Creat
                                                                                   string brandType = null,
                                                                                   bool? mock = null,
                                                                                   bool? skipAutomaticSecVet = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateBrandRegistrationOptions(customerProfileBundleSid, a2PProfileBundleSid){  BrandType = brandType, Mock = mock, SkipAutomaticSecVet = skipAutomaticSecVet };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -196,10 +196,10 @@ public static BrandRegistrationResource Fetch(FetchBrandRegistrationOptions opti
         /// <param name="options"> Fetch BrandRegistration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BrandRegistration </returns>
-        public static async System.Threading.Tasks.Task<BrandRegistrationResource> FetchAsync(FetchBrandRegistrationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BrandRegistrationResource> FetchAsync(FetchBrandRegistrationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -220,10 +220,10 @@ public static BrandRegistrationResource Fetch(
         /// <param name="pathSid"> The SID of the Brand Registration resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BrandRegistration </returns>
-        public static async System.Threading.Tasks.Task<BrandRegistrationResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BrandRegistrationResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchBrandRegistrationOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -258,10 +258,10 @@ public static ResourceSet<BrandRegistrationResource> Read(ReadBrandRegistrationO
         /// <param name="options"> Read BrandRegistration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BrandRegistration </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<BrandRegistrationResource>> ReadAsync(ReadBrandRegistrationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<BrandRegistrationResource>> ReadAsync(ReadBrandRegistrationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<BrandRegistrationResource>.FromJson("data", response.Content);
             return new ResourceSet<BrandRegistrationResource>(page, options, client);
@@ -290,10 +290,10 @@ public static ResourceSet<BrandRegistrationResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<BrandRegistrationResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadBrandRegistrationOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -380,11 +380,12 @@ public static BrandRegistrationResource Update(UpdateBrandRegistrationOptions op
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BrandRegistration </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<BrandRegistrationResource> UpdateAsync(UpdateBrandRegistrationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BrandRegistrationResource> UpdateAsync(UpdateBrandRegistrationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -408,10 +409,10 @@ public static BrandRegistrationResource Update(
         /// <returns> Task that resolves to A single instance of BrandRegistration </returns>
         public static async System.Threading.Tasks.Task<BrandRegistrationResource> UpdateAsync(
                                                                               string pathSid,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateBrandRegistrationOptions(pathSid){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Messaging/V1/DeactivationsResource.cs b/src/Twilio/Rest/Messaging/V1/DeactivationsResource.cs
index 85e876f25..47b98cce4 100644
--- a/src/Twilio/Rest/Messaging/V1/DeactivationsResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/DeactivationsResource.cs
@@ -65,10 +65,10 @@ public static DeactivationsResource Fetch(FetchDeactivationsOptions options, ITw
         /// <param name="options"> Fetch Deactivations parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Deactivations </returns>
-        public static async System.Threading.Tasks.Task<DeactivationsResource> FetchAsync(FetchDeactivationsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeactivationsResource> FetchAsync(FetchDeactivationsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -89,10 +89,10 @@ public static DeactivationsResource Fetch(
         /// <param name="date"> The request will return a list of all United States Phone Numbers that were deactivated on the day specified by this parameter. This date should be specified in YYYY-MM-DD format. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Deactivations </returns>
-        public static async System.Threading.Tasks.Task<DeactivationsResource> FetchAsync(DateTime? date = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeactivationsResource> FetchAsync(DateTime? date = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDeactivationsOptions(){ Date = date };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Messaging/V1/DomainCertsResource.cs b/src/Twilio/Rest/Messaging/V1/DomainCertsResource.cs
index 612144c0f..6637b5860 100644
--- a/src/Twilio/Rest/Messaging/V1/DomainCertsResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/DomainCertsResource.cs
@@ -71,11 +71,12 @@ public static bool Delete(DeleteDomainCertsOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete DomainCerts parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DomainCerts </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteDomainCertsOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteDomainCertsOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -95,10 +96,10 @@ public static bool Delete(string pathDomainSid, ITwilioRestClient client = null)
         /// <param name="pathDomainSid"> Unique string used to identify the domain that this certificate should be associated with. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DomainCerts </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDomainSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDomainSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteDomainCertsOptions(pathDomainSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -135,10 +136,10 @@ public static DomainCertsResource Fetch(FetchDomainCertsOptions options, ITwilio
         /// <param name="options"> Fetch DomainCerts parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DomainCerts </returns>
-        public static async System.Threading.Tasks.Task<DomainCertsResource> FetchAsync(FetchDomainCertsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DomainCertsResource> FetchAsync(FetchDomainCertsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -159,10 +160,10 @@ public static DomainCertsResource Fetch(
         /// <param name="pathDomainSid"> Unique string used to identify the domain that this certificate should be associated with. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DomainCerts </returns>
-        public static async System.Threading.Tasks.Task<DomainCertsResource> FetchAsync(string pathDomainSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DomainCertsResource> FetchAsync(string pathDomainSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDomainCertsOptions(pathDomainSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -200,11 +201,12 @@ public static DomainCertsResource Update(UpdateDomainCertsOptions options, ITwil
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DomainCerts </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<DomainCertsResource> UpdateAsync(UpdateDomainCertsOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DomainCertsResource> UpdateAsync(UpdateDomainCertsOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -232,10 +234,10 @@ public static DomainCertsResource Update(
         public static async System.Threading.Tasks.Task<DomainCertsResource> UpdateAsync(
                                                                               string pathDomainSid,
                                                                               string tlsCert,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateDomainCertsOptions(pathDomainSid, tlsCert){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Messaging/V1/DomainConfigMessagingServiceResource.cs b/src/Twilio/Rest/Messaging/V1/DomainConfigMessagingServiceResource.cs
index 60ad7e7d8..770f594fe 100644
--- a/src/Twilio/Rest/Messaging/V1/DomainConfigMessagingServiceResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/DomainConfigMessagingServiceResource.cs
@@ -67,10 +67,10 @@ public static DomainConfigMessagingServiceResource Fetch(FetchDomainConfigMessag
         /// <param name="options"> Fetch DomainConfigMessagingService parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DomainConfigMessagingService </returns>
-        public static async System.Threading.Tasks.Task<DomainConfigMessagingServiceResource> FetchAsync(FetchDomainConfigMessagingServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DomainConfigMessagingServiceResource> FetchAsync(FetchDomainConfigMessagingServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static DomainConfigMessagingServiceResource Fetch(
         /// <param name="pathMessagingServiceSid"> Unique string used to identify the Messaging service that this domain should be associated with. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DomainConfigMessagingService </returns>
-        public static async System.Threading.Tasks.Task<DomainConfigMessagingServiceResource> FetchAsync(string pathMessagingServiceSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DomainConfigMessagingServiceResource> FetchAsync(string pathMessagingServiceSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDomainConfigMessagingServiceOptions(pathMessagingServiceSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Messaging/V1/DomainConfigResource.cs b/src/Twilio/Rest/Messaging/V1/DomainConfigResource.cs
index ddbf141d0..1d2ef9f18 100644
--- a/src/Twilio/Rest/Messaging/V1/DomainConfigResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/DomainConfigResource.cs
@@ -67,10 +67,10 @@ public static DomainConfigResource Fetch(FetchDomainConfigOptions options, ITwil
         /// <param name="options"> Fetch DomainConfig parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DomainConfig </returns>
-        public static async System.Threading.Tasks.Task<DomainConfigResource> FetchAsync(FetchDomainConfigOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DomainConfigResource> FetchAsync(FetchDomainConfigOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static DomainConfigResource Fetch(
         /// <param name="pathDomainSid"> Unique string used to identify the domain that this config should be associated with. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DomainConfig </returns>
-        public static async System.Threading.Tasks.Task<DomainConfigResource> FetchAsync(string pathDomainSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DomainConfigResource> FetchAsync(string pathDomainSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDomainConfigOptions(pathDomainSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -132,11 +132,12 @@ public static DomainConfigResource Update(UpdateDomainConfigOptions options, ITw
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DomainConfig </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<DomainConfigResource> UpdateAsync(UpdateDomainConfigOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DomainConfigResource> UpdateAsync(UpdateDomainConfigOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -176,10 +177,10 @@ public static async System.Threading.Tasks.Task<DomainConfigResource> UpdateAsyn
                                                                               Uri callbackUrl = null,
                                                                               bool? continueOnFailure = null,
                                                                               bool? disableHttps = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateDomainConfigOptions(pathDomainSid){ FallbackUrl = fallbackUrl, CallbackUrl = callbackUrl, ContinueOnFailure = continueOnFailure, DisableHttps = disableHttps };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Messaging/V1/ExternalCampaignResource.cs b/src/Twilio/Rest/Messaging/V1/ExternalCampaignResource.cs
index f624a357e..5ce4d4ebe 100644
--- a/src/Twilio/Rest/Messaging/V1/ExternalCampaignResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/ExternalCampaignResource.cs
@@ -66,10 +66,10 @@ public static ExternalCampaignResource Create(CreateExternalCampaignOptions opti
         /// <param name="options"> Create ExternalCampaign parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExternalCampaign </returns>
-        public static async System.Threading.Tasks.Task<ExternalCampaignResource> CreateAsync(CreateExternalCampaignOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExternalCampaignResource> CreateAsync(CreateExternalCampaignOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static async System.Threading.Tasks.Task<ExternalCampaignResource> Create
                                                                                   string campaignId,
                                                                                   string messagingServiceSid,
                                                                                   bool? cnpMigration = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateExternalCampaignOptions(campaignId, messagingServiceSid){  CnpMigration = cnpMigration };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Messaging/V1/LinkshorteningMessagingServiceDomainAssociationResource.cs b/src/Twilio/Rest/Messaging/V1/LinkshorteningMessagingServiceDomainAssociationResource.cs
index dbd763370..5362d93a8 100644
--- a/src/Twilio/Rest/Messaging/V1/LinkshorteningMessagingServiceDomainAssociationResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/LinkshorteningMessagingServiceDomainAssociationResource.cs
@@ -67,10 +67,10 @@ public static LinkshorteningMessagingServiceDomainAssociationResource Fetch(Fetc
         /// <param name="options"> Fetch LinkshorteningMessagingServiceDomainAssociation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of LinkshorteningMessagingServiceDomainAssociation </returns>
-        public static async System.Threading.Tasks.Task<LinkshorteningMessagingServiceDomainAssociationResource> FetchAsync(FetchLinkshorteningMessagingServiceDomainAssociationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<LinkshorteningMessagingServiceDomainAssociationResource> FetchAsync(FetchLinkshorteningMessagingServiceDomainAssociationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static LinkshorteningMessagingServiceDomainAssociationResource Fetch(
         /// <param name="pathMessagingServiceSid"> Unique string used to identify the Messaging service that this domain should be associated with. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of LinkshorteningMessagingServiceDomainAssociation </returns>
-        public static async System.Threading.Tasks.Task<LinkshorteningMessagingServiceDomainAssociationResource> FetchAsync(string pathMessagingServiceSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<LinkshorteningMessagingServiceDomainAssociationResource> FetchAsync(string pathMessagingServiceSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchLinkshorteningMessagingServiceDomainAssociationOptions(pathMessagingServiceSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Messaging/V1/LinkshorteningMessagingServiceResource.cs b/src/Twilio/Rest/Messaging/V1/LinkshorteningMessagingServiceResource.cs
index a3a871265..7ed444e66 100644
--- a/src/Twilio/Rest/Messaging/V1/LinkshorteningMessagingServiceResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/LinkshorteningMessagingServiceResource.cs
@@ -70,10 +70,10 @@ public static LinkshorteningMessagingServiceResource Create(CreateLinkshortening
         /// <param name="options"> Create LinkshorteningMessagingService parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of LinkshorteningMessagingService </returns>
-        public static async System.Threading.Tasks.Task<LinkshorteningMessagingServiceResource> CreateAsync(CreateLinkshorteningMessagingServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<LinkshorteningMessagingServiceResource> CreateAsync(CreateLinkshorteningMessagingServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static LinkshorteningMessagingServiceResource Create(
         public static async System.Threading.Tasks.Task<LinkshorteningMessagingServiceResource> CreateAsync(
                                                                                   string pathDomainSid,
                                                                                   string pathMessagingServiceSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateLinkshorteningMessagingServiceOptions(pathDomainSid, pathMessagingServiceSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -147,11 +147,12 @@ public static bool Delete(DeleteLinkshorteningMessagingServiceOptions options, I
         /// <param name="options"> Delete LinkshorteningMessagingService parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of LinkshorteningMessagingService </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteLinkshorteningMessagingServiceOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteLinkshorteningMessagingServiceOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -173,10 +174,10 @@ public static bool Delete(string pathDomainSid, string pathMessagingServiceSid,
         /// <param name="pathMessagingServiceSid"> A messaging service SID to dissociate from a domain. With URL shortening enabled, links in messages sent with the provided messaging service will be shortened to the associated domain </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of LinkshorteningMessagingService </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDomainSid, string pathMessagingServiceSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDomainSid, string pathMessagingServiceSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteLinkshorteningMessagingServiceOptions(pathDomainSid, pathMessagingServiceSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Messaging/V1/RequestManagedCertResource.cs b/src/Twilio/Rest/Messaging/V1/RequestManagedCertResource.cs
index 2bd3a332c..6fc6e5841 100644
--- a/src/Twilio/Rest/Messaging/V1/RequestManagedCertResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/RequestManagedCertResource.cs
@@ -68,11 +68,12 @@ public static RequestManagedCertResource Update(UpdateRequestManagedCertOptions
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RequestManagedCert </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<RequestManagedCertResource> UpdateAsync(UpdateRequestManagedCertOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RequestManagedCertResource> UpdateAsync(UpdateRequestManagedCertOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +97,10 @@ public static RequestManagedCertResource Update(
         /// <returns> Task that resolves to A single instance of RequestManagedCert </returns>
         public static async System.Threading.Tasks.Task<RequestManagedCertResource> UpdateAsync(
                                                                               string pathDomainSid,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateRequestManagedCertOptions(pathDomainSid){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Messaging/V1/Service/AlphaSenderResource.cs b/src/Twilio/Rest/Messaging/V1/Service/AlphaSenderResource.cs
index cb3b90212..ba1a58048 100644
--- a/src/Twilio/Rest/Messaging/V1/Service/AlphaSenderResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/Service/AlphaSenderResource.cs
@@ -68,10 +68,10 @@ public static AlphaSenderResource Create(CreateAlphaSenderOptions options, ITwil
         /// <param name="options"> Create AlphaSender parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AlphaSender </returns>
-        public static async System.Threading.Tasks.Task<AlphaSenderResource> CreateAsync(CreateAlphaSenderOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AlphaSenderResource> CreateAsync(CreateAlphaSenderOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static AlphaSenderResource Create(
         public static async System.Threading.Tasks.Task<AlphaSenderResource> CreateAsync(
                                                                                   string pathServiceSid,
                                                                                   string alphaSender,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAlphaSenderOptions(pathServiceSid, alphaSender){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteAlphaSenderOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete AlphaSender parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AlphaSender </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAlphaSenderOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAlphaSenderOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The SID of the AlphaSender resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AlphaSender </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAlphaSenderOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static AlphaSenderResource Fetch(FetchAlphaSenderOptions options, ITwilio
         /// <param name="options"> Fetch AlphaSender parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AlphaSender </returns>
-        public static async System.Threading.Tasks.Task<AlphaSenderResource> FetchAsync(FetchAlphaSenderOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AlphaSenderResource> FetchAsync(FetchAlphaSenderOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static AlphaSenderResource Fetch(
         /// <param name="pathSid"> The SID of the AlphaSender resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AlphaSender </returns>
-        public static async System.Threading.Tasks.Task<AlphaSenderResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AlphaSenderResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAlphaSenderOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<AlphaSenderResource> Read(ReadAlphaSenderOptions optio
         /// <param name="options"> Read AlphaSender parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AlphaSender </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AlphaSenderResource>> ReadAsync(ReadAlphaSenderOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AlphaSenderResource>> ReadAsync(ReadAlphaSenderOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AlphaSenderResource>.FromJson("alpha_senders", response.Content);
             return new ResourceSet<AlphaSenderResource>(page, options, client);
@@ -316,10 +317,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AlphaSenderResource>
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAlphaSenderOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Messaging/V1/Service/ChannelSenderResource.cs b/src/Twilio/Rest/Messaging/V1/Service/ChannelSenderResource.cs
index f4e88e55a..79b4e3814 100644
--- a/src/Twilio/Rest/Messaging/V1/Service/ChannelSenderResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/Service/ChannelSenderResource.cs
@@ -68,10 +68,10 @@ public static ChannelSenderResource Create(CreateChannelSenderOptions options, I
         /// <param name="options"> Create ChannelSender parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ChannelSender </returns>
-        public static async System.Threading.Tasks.Task<ChannelSenderResource> CreateAsync(CreateChannelSenderOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelSenderResource> CreateAsync(CreateChannelSenderOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static ChannelSenderResource Create(
         public static async System.Threading.Tasks.Task<ChannelSenderResource> CreateAsync(
                                                                                   string pathMessagingServiceSid,
                                                                                   string sid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateChannelSenderOptions(pathMessagingServiceSid, sid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteChannelSenderOptions options, ITwilioRestClient
         /// <param name="options"> Delete ChannelSender parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ChannelSender </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteChannelSenderOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteChannelSenderOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathMessagingServiceSid, string pathSid, ITwili
         /// <param name="pathSid"> The SID of the Channel Sender resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ChannelSender </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathMessagingServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathMessagingServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteChannelSenderOptions(pathMessagingServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static ChannelSenderResource Fetch(FetchChannelSenderOptions options, ITw
         /// <param name="options"> Fetch ChannelSender parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ChannelSender </returns>
-        public static async System.Threading.Tasks.Task<ChannelSenderResource> FetchAsync(FetchChannelSenderOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelSenderResource> FetchAsync(FetchChannelSenderOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static ChannelSenderResource Fetch(
         /// <param name="pathSid"> The SID of the ChannelSender resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ChannelSender </returns>
-        public static async System.Threading.Tasks.Task<ChannelSenderResource> FetchAsync(string pathMessagingServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChannelSenderResource> FetchAsync(string pathMessagingServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchChannelSenderOptions(pathMessagingServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<ChannelSenderResource> Read(ReadChannelSenderOptions o
         /// <param name="options"> Read ChannelSender parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ChannelSender </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ChannelSenderResource>> ReadAsync(ReadChannelSenderOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ChannelSenderResource>> ReadAsync(ReadChannelSenderOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ChannelSenderResource>.FromJson("senders", response.Content);
             return new ResourceSet<ChannelSenderResource>(page, options, client);
@@ -316,10 +317,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ChannelSenderResourc
                                                                                              string pathMessagingServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadChannelSenderOptions(pathMessagingServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Messaging/V1/Service/PhoneNumberResource.cs b/src/Twilio/Rest/Messaging/V1/Service/PhoneNumberResource.cs
index 82a708835..1fed35d7f 100644
--- a/src/Twilio/Rest/Messaging/V1/Service/PhoneNumberResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/Service/PhoneNumberResource.cs
@@ -68,10 +68,10 @@ public static PhoneNumberResource Create(CreatePhoneNumberOptions options, ITwil
         /// <param name="options"> Create PhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> CreateAsync(CreatePhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> CreateAsync(CreatePhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static PhoneNumberResource Create(
         public static async System.Threading.Tasks.Task<PhoneNumberResource> CreateAsync(
                                                                                   string pathServiceSid,
                                                                                   string phoneNumberSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreatePhoneNumberOptions(pathServiceSid, phoneNumberSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeletePhoneNumberOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete PhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeletePhoneNumberOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeletePhoneNumberOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The SID of the PhoneNumber resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeletePhoneNumberOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static PhoneNumberResource Fetch(FetchPhoneNumberOptions options, ITwilio
         /// <param name="options"> Fetch PhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(FetchPhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(FetchPhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static PhoneNumberResource Fetch(
         /// <param name="pathSid"> The SID of the PhoneNumber resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPhoneNumberOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<PhoneNumberResource> Read(ReadPhoneNumberOptions optio
         /// <param name="options"> Read PhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<PhoneNumberResource>> ReadAsync(ReadPhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<PhoneNumberResource>> ReadAsync(ReadPhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<PhoneNumberResource>.FromJson("phone_numbers", response.Content);
             return new ResourceSet<PhoneNumberResource>(page, options, client);
@@ -316,10 +317,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<PhoneNumberResource>
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadPhoneNumberOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Messaging/V1/Service/ShortCodeResource.cs b/src/Twilio/Rest/Messaging/V1/Service/ShortCodeResource.cs
index 794f354e9..09cbac523 100644
--- a/src/Twilio/Rest/Messaging/V1/Service/ShortCodeResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/Service/ShortCodeResource.cs
@@ -68,10 +68,10 @@ public static ShortCodeResource Create(CreateShortCodeOptions options, ITwilioRe
         /// <param name="options"> Create ShortCode parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
-        public static async System.Threading.Tasks.Task<ShortCodeResource> CreateAsync(CreateShortCodeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ShortCodeResource> CreateAsync(CreateShortCodeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static ShortCodeResource Create(
         public static async System.Threading.Tasks.Task<ShortCodeResource> CreateAsync(
                                                                                   string pathServiceSid,
                                                                                   string shortCodeSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateShortCodeOptions(pathServiceSid, shortCodeSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteShortCodeOptions options, ITwilioRestClient clie
         /// <param name="options"> Delete ShortCode parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteShortCodeOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteShortCodeOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The SID of the ShortCode resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteShortCodeOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static ShortCodeResource Fetch(FetchShortCodeOptions options, ITwilioRest
         /// <param name="options"> Fetch ShortCode parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
-        public static async System.Threading.Tasks.Task<ShortCodeResource> FetchAsync(FetchShortCodeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ShortCodeResource> FetchAsync(FetchShortCodeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static ShortCodeResource Fetch(
         /// <param name="pathSid"> The SID of the ShortCode resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
-        public static async System.Threading.Tasks.Task<ShortCodeResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ShortCodeResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchShortCodeOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<ShortCodeResource> Read(ReadShortCodeOptions options,
         /// <param name="options"> Read ShortCode parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ShortCodeResource>> ReadAsync(ReadShortCodeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ShortCodeResource>> ReadAsync(ReadShortCodeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ShortCodeResource>.FromJson("short_codes", response.Content);
             return new ResourceSet<ShortCodeResource>(page, options, client);
@@ -316,10 +317,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ShortCodeResource>>
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadShortCodeOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Messaging/V1/Service/UsAppToPersonResource.cs b/src/Twilio/Rest/Messaging/V1/Service/UsAppToPersonResource.cs
index 5385c1bd1..9b7bec600 100644
--- a/src/Twilio/Rest/Messaging/V1/Service/UsAppToPersonResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/Service/UsAppToPersonResource.cs
@@ -68,10 +68,10 @@ public static UsAppToPersonResource Create(CreateUsAppToPersonOptions options, I
         /// <param name="options"> Create UsAppToPerson parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UsAppToPerson </returns>
-        public static async System.Threading.Tasks.Task<UsAppToPersonResource> CreateAsync(CreateUsAppToPersonOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UsAppToPersonResource> CreateAsync(CreateUsAppToPersonOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -159,10 +159,10 @@ public static async System.Threading.Tasks.Task<UsAppToPersonResource> CreateAsy
                                                                                   bool? subscriberOptIn = null,
                                                                                   bool? ageGated = null,
                                                                                   bool? directLending = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateUsAppToPersonOptions(pathMessagingServiceSid, brandRegistrationSid, description, messageFlow, messageSamples, usAppToPersonUsecase, hasEmbeddedLinks, hasEmbeddedPhone){  OptInMessage = optInMessage, OptOutMessage = optOutMessage, HelpMessage = helpMessage, OptInKeywords = optInKeywords, OptOutKeywords = optOutKeywords, HelpKeywords = helpKeywords, SubscriberOptIn = subscriberOptIn, AgeGated = ageGated, DirectLending = directLending };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -205,11 +205,12 @@ public static bool Delete(DeleteUsAppToPersonOptions options, ITwilioRestClient
         /// <param name="options"> Delete UsAppToPerson parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UsAppToPerson </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUsAppToPersonOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUsAppToPersonOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -231,10 +232,10 @@ public static bool Delete(string pathMessagingServiceSid, string pathSid, ITwili
         /// <param name="pathSid"> The SID of the US A2P Compliance resource to delete `QE2c6890da8086d771620e9b13fadeba0b`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UsAppToPerson </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathMessagingServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathMessagingServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteUsAppToPersonOptions(pathMessagingServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -273,10 +274,10 @@ public static UsAppToPersonResource Fetch(FetchUsAppToPersonOptions options, ITw
         /// <param name="options"> Fetch UsAppToPerson parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UsAppToPerson </returns>
-        public static async System.Threading.Tasks.Task<UsAppToPersonResource> FetchAsync(FetchUsAppToPersonOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UsAppToPersonResource> FetchAsync(FetchUsAppToPersonOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -300,10 +301,10 @@ public static UsAppToPersonResource Fetch(
         /// <param name="pathSid"> The SID of the US A2P Compliance resource to fetch `QE2c6890da8086d771620e9b13fadeba0b`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UsAppToPerson </returns>
-        public static async System.Threading.Tasks.Task<UsAppToPersonResource> FetchAsync(string pathMessagingServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UsAppToPersonResource> FetchAsync(string pathMessagingServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUsAppToPersonOptions(pathMessagingServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -340,10 +341,10 @@ public static ResourceSet<UsAppToPersonResource> Read(ReadUsAppToPersonOptions o
         /// <param name="options"> Read UsAppToPerson parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UsAppToPerson </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UsAppToPersonResource>> ReadAsync(ReadUsAppToPersonOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UsAppToPersonResource>> ReadAsync(ReadUsAppToPersonOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<UsAppToPersonResource>.FromJson("compliance", response.Content);
             return new ResourceSet<UsAppToPersonResource>(page, options, client);
@@ -376,10 +377,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<UsAppToPersonResourc
                                                                                              string pathMessagingServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUsAppToPersonOptions(pathMessagingServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -468,11 +469,12 @@ public static UsAppToPersonResource Update(UpdateUsAppToPersonOptions options, I
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UsAppToPerson </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<UsAppToPersonResource> UpdateAsync(UpdateUsAppToPersonOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UsAppToPersonResource> UpdateAsync(UpdateUsAppToPersonOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -528,10 +530,10 @@ public static async System.Threading.Tasks.Task<UsAppToPersonResource> UpdateAsy
                                                                               string description,
                                                                               bool? ageGated,
                                                                               bool? directLending,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateUsAppToPersonOptions(pathMessagingServiceSid, pathSid, hasEmbeddedLinks, hasEmbeddedPhone, messageSamples, messageFlow, description, ageGated, directLending){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Messaging/V1/Service/UsAppToPersonUsecaseResource.cs b/src/Twilio/Rest/Messaging/V1/Service/UsAppToPersonUsecaseResource.cs
index 1dae1619e..fdff05c44 100644
--- a/src/Twilio/Rest/Messaging/V1/Service/UsAppToPersonUsecaseResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/Service/UsAppToPersonUsecaseResource.cs
@@ -67,10 +67,10 @@ public static UsAppToPersonUsecaseResource Fetch(FetchUsAppToPersonUsecaseOption
         /// <param name="options"> Fetch UsAppToPersonUsecase parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UsAppToPersonUsecase </returns>
-        public static async System.Threading.Tasks.Task<UsAppToPersonUsecaseResource> FetchAsync(FetchUsAppToPersonUsecaseOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UsAppToPersonUsecaseResource> FetchAsync(FetchUsAppToPersonUsecaseOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -94,10 +94,10 @@ public static UsAppToPersonUsecaseResource Fetch(
         /// <param name="brandRegistrationSid"> The unique string to identify the A2P brand. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UsAppToPersonUsecase </returns>
-        public static async System.Threading.Tasks.Task<UsAppToPersonUsecaseResource> FetchAsync(string pathMessagingServiceSid, string brandRegistrationSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UsAppToPersonUsecaseResource> FetchAsync(string pathMessagingServiceSid, string brandRegistrationSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUsAppToPersonUsecaseOptions(pathMessagingServiceSid){ BrandRegistrationSid = brandRegistrationSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Messaging/V1/ServiceResource.cs b/src/Twilio/Rest/Messaging/V1/ServiceResource.cs
index ecec72256..efbd53231 100644
--- a/src/Twilio/Rest/Messaging/V1/ServiceResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/ServiceResource.cs
@@ -80,10 +80,10 @@ public static ServiceResource Create(CreateServiceOptions options, ITwilioRestCl
         /// <param name="options"> Create Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -167,10 +167,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(
                                                                                   bool? synchronousValidation = null,
                                                                                   string usecase = null,
                                                                                   bool? useInboundWebhookOnNumber = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateServiceOptions(friendlyName){  InboundRequestUrl = inboundRequestUrl, InboundMethod = inboundMethod, FallbackUrl = fallbackUrl, FallbackMethod = fallbackMethod, StatusCallback = statusCallback, StickySender = stickySender, MmsConverter = mmsConverter, SmartEncoding = smartEncoding, ScanMessageContent = scanMessageContent, FallbackToLongCode = fallbackToLongCode, AreaCodeGeomatch = areaCodeGeomatch, ValidityPeriod = validityPeriod, SynchronousValidation = synchronousValidation, Usecase = usecase, UseInboundWebhookOnNumber = useInboundWebhookOnNumber };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -211,11 +211,12 @@ public static bool Delete(DeleteServiceOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -235,10 +236,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the Service resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteServiceOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -275,10 +276,10 @@ public static ServiceResource Fetch(FetchServiceOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -299,10 +300,10 @@ public static ServiceResource Fetch(
         /// <param name="pathSid"> The SID of the Service resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchServiceOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -337,10 +338,10 @@ public static ResourceSet<ServiceResource> Read(ReadServiceOptions options, ITwi
         /// <param name="options"> Read Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ServiceResource>.FromJson("services", response.Content);
             return new ResourceSet<ServiceResource>(page, options, client);
@@ -369,10 +370,10 @@ public static ResourceSet<ServiceResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadServiceOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -459,11 +460,12 @@ public static ServiceResource Update(UpdateServiceOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -551,10 +553,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(
                                                                               bool? synchronousValidation = null,
                                                                               string usecase = null,
                                                                               bool? useInboundWebhookOnNumber = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateServiceOptions(pathSid){ FriendlyName = friendlyName, InboundRequestUrl = inboundRequestUrl, InboundMethod = inboundMethod, FallbackUrl = fallbackUrl, FallbackMethod = fallbackMethod, StatusCallback = statusCallback, StickySender = stickySender, MmsConverter = mmsConverter, SmartEncoding = smartEncoding, ScanMessageContent = scanMessageContent, FallbackToLongCode = fallbackToLongCode, AreaCodeGeomatch = areaCodeGeomatch, ValidityPeriod = validityPeriod, SynchronousValidation = synchronousValidation, Usecase = usecase, UseInboundWebhookOnNumber = useInboundWebhookOnNumber };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Messaging/V1/TollfreeVerificationResource.cs b/src/Twilio/Rest/Messaging/V1/TollfreeVerificationResource.cs
index 4795bf179..25fce2fc9 100644
--- a/src/Twilio/Rest/Messaging/V1/TollfreeVerificationResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/TollfreeVerificationResource.cs
@@ -98,10 +98,10 @@ public static TollfreeVerificationResource Create(CreateTollfreeVerificationOpti
         /// <param name="options"> Create TollfreeVerification parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TollfreeVerification </returns>
-        public static async System.Threading.Tasks.Task<TollfreeVerificationResource> CreateAsync(CreateTollfreeVerificationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TollfreeVerificationResource> CreateAsync(CreateTollfreeVerificationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -213,10 +213,10 @@ public static async System.Threading.Tasks.Task<TollfreeVerificationResource> Cr
                                                                                   string businessContactEmail = null,
                                                                                   Types.PhoneNumber businessContactPhone = null,
                                                                                   string externalReferenceId = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTollfreeVerificationOptions(businessName, businessWebsite, notificationEmail, useCaseCategories, useCaseSummary, productionMessageSample, optInImageUrls, optInType, messageVolume, tollfreePhoneNumberSid){  CustomerProfileSid = customerProfileSid, BusinessStreetAddress = businessStreetAddress, BusinessStreetAddress2 = businessStreetAddress2, BusinessCity = businessCity, BusinessStateProvinceRegion = businessStateProvinceRegion, BusinessPostalCode = businessPostalCode, BusinessCountry = businessCountry, AdditionalInformation = additionalInformation, BusinessContactFirstName = businessContactFirstName, BusinessContactLastName = businessContactLastName, BusinessContactEmail = businessContactEmail, BusinessContactPhone = businessContactPhone, ExternalReferenceId = externalReferenceId };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -257,11 +257,12 @@ public static bool Delete(DeleteTollfreeVerificationOptions options, ITwilioRest
         /// <param name="options"> Delete TollfreeVerification parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TollfreeVerification </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTollfreeVerificationOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTollfreeVerificationOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -281,10 +282,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The unique string to identify Tollfree Verification. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TollfreeVerification </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteTollfreeVerificationOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -321,10 +322,10 @@ public static TollfreeVerificationResource Fetch(FetchTollfreeVerificationOption
         /// <param name="options"> Fetch TollfreeVerification parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TollfreeVerification </returns>
-        public static async System.Threading.Tasks.Task<TollfreeVerificationResource> FetchAsync(FetchTollfreeVerificationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TollfreeVerificationResource> FetchAsync(FetchTollfreeVerificationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -345,10 +346,10 @@ public static TollfreeVerificationResource Fetch(
         /// <param name="pathSid"> A unique string identifying a Tollfree Verification. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TollfreeVerification </returns>
-        public static async System.Threading.Tasks.Task<TollfreeVerificationResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TollfreeVerificationResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTollfreeVerificationOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -383,10 +384,10 @@ public static ResourceSet<TollfreeVerificationResource> Read(ReadTollfreeVerific
         /// <param name="options"> Read TollfreeVerification parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TollfreeVerification </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TollfreeVerificationResource>> ReadAsync(ReadTollfreeVerificationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TollfreeVerificationResource>> ReadAsync(ReadTollfreeVerificationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<TollfreeVerificationResource>.FromJson("verifications", response.Content);
             return new ResourceSet<TollfreeVerificationResource>(page, options, client);
@@ -431,10 +432,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<TollfreeVerification
                                                                                              bool? includeSubAccounts = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTollfreeVerificationOptions(){ TollfreePhoneNumberSid = tollfreePhoneNumberSid, Status = status, ExternalReferenceId = externalReferenceId, IncludeSubAccounts = includeSubAccounts, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -521,11 +522,12 @@ public static TollfreeVerificationResource Update(UpdateTollfreeVerificationOpti
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TollfreeVerification </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<TollfreeVerificationResource> UpdateAsync(UpdateTollfreeVerificationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TollfreeVerificationResource> UpdateAsync(UpdateTollfreeVerificationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -633,10 +635,10 @@ public static async System.Threading.Tasks.Task<TollfreeVerificationResource> Up
                                                                               string businessContactEmail = null,
                                                                               Types.PhoneNumber businessContactPhone = null,
                                                                               string editReason = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateTollfreeVerificationOptions(pathSid){ BusinessName = businessName, BusinessWebsite = businessWebsite, NotificationEmail = notificationEmail, UseCaseCategories = useCaseCategories, UseCaseSummary = useCaseSummary, ProductionMessageSample = productionMessageSample, OptInImageUrls = optInImageUrls, OptInType = optInType, MessageVolume = messageVolume, BusinessStreetAddress = businessStreetAddress, BusinessStreetAddress2 = businessStreetAddress2, BusinessCity = businessCity, BusinessStateProvinceRegion = businessStateProvinceRegion, BusinessPostalCode = businessPostalCode, BusinessCountry = businessCountry, AdditionalInformation = additionalInformation, BusinessContactFirstName = businessContactFirstName, BusinessContactLastName = businessContactLastName, BusinessContactEmail = businessContactEmail, BusinessContactPhone = businessContactPhone, EditReason = editReason };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Messaging/V1/UsecaseResource.cs b/src/Twilio/Rest/Messaging/V1/UsecaseResource.cs
index 1d96093df..cc9a141dd 100644
--- a/src/Twilio/Rest/Messaging/V1/UsecaseResource.cs
+++ b/src/Twilio/Rest/Messaging/V1/UsecaseResource.cs
@@ -65,10 +65,10 @@ public static UsecaseResource Fetch(FetchUsecaseOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Usecase parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Usecase </returns>
-        public static async System.Threading.Tasks.Task<UsecaseResource> FetchAsync(FetchUsecaseOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UsecaseResource> FetchAsync(FetchUsecaseOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -86,10 +86,10 @@ public static UsecaseResource Fetch(
         /// <summary> fetch </summary>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Usecase </returns>
-        public static async System.Threading.Tasks.Task<UsecaseResource> FetchAsync(ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UsecaseResource> FetchAsync(ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUsecaseOptions(){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Microvisor/V1/AccountConfigResource.cs b/src/Twilio/Rest/Microvisor/V1/AccountConfigResource.cs
index 333420b42..90af30b45 100644
--- a/src/Twilio/Rest/Microvisor/V1/AccountConfigResource.cs
+++ b/src/Twilio/Rest/Microvisor/V1/AccountConfigResource.cs
@@ -66,10 +66,10 @@ public static AccountConfigResource Create(CreateAccountConfigOptions options, I
         /// <param name="options"> Create AccountConfig parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccountConfig </returns>
-        public static async System.Threading.Tasks.Task<AccountConfigResource> CreateAsync(CreateAccountConfigOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccountConfigResource> CreateAsync(CreateAccountConfigOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -97,10 +97,10 @@ public static AccountConfigResource Create(
         public static async System.Threading.Tasks.Task<AccountConfigResource> CreateAsync(
                                                                                   string key,
                                                                                   string value,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAccountConfigOptions(key, value){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -141,11 +141,12 @@ public static bool Delete(DeleteAccountConfigOptions options, ITwilioRestClient
         /// <param name="options"> Delete AccountConfig parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccountConfig </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAccountConfigOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAccountConfigOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -165,10 +166,10 @@ public static bool Delete(string pathKey, ITwilioRestClient client = null)
         /// <param name="pathKey"> The config key; up to 100 characters. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccountConfig </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathKey, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathKey, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAccountConfigOptions(pathKey) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -205,10 +206,10 @@ public static AccountConfigResource Fetch(FetchAccountConfigOptions options, ITw
         /// <param name="options"> Fetch AccountConfig parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccountConfig </returns>
-        public static async System.Threading.Tasks.Task<AccountConfigResource> FetchAsync(FetchAccountConfigOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccountConfigResource> FetchAsync(FetchAccountConfigOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -229,10 +230,10 @@ public static AccountConfigResource Fetch(
         /// <param name="pathKey"> The config key; up to 100 characters. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccountConfig </returns>
-        public static async System.Threading.Tasks.Task<AccountConfigResource> FetchAsync(string pathKey, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccountConfigResource> FetchAsync(string pathKey, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAccountConfigOptions(pathKey){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -267,10 +268,10 @@ public static ResourceSet<AccountConfigResource> Read(ReadAccountConfigOptions o
         /// <param name="options"> Read AccountConfig parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccountConfig </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AccountConfigResource>> ReadAsync(ReadAccountConfigOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AccountConfigResource>> ReadAsync(ReadAccountConfigOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AccountConfigResource>.FromJson("configs", response.Content);
             return new ResourceSet<AccountConfigResource>(page, options, client);
@@ -299,10 +300,10 @@ public static ResourceSet<AccountConfigResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<AccountConfigResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAccountConfigOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -389,11 +390,12 @@ public static AccountConfigResource Update(UpdateAccountConfigOptions options, I
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccountConfig </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<AccountConfigResource> UpdateAsync(UpdateAccountConfigOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccountConfigResource> UpdateAsync(UpdateAccountConfigOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -421,10 +423,10 @@ public static AccountConfigResource Update(
         public static async System.Threading.Tasks.Task<AccountConfigResource> UpdateAsync(
                                                                               string pathKey,
                                                                               string value,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateAccountConfigOptions(pathKey, value){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Microvisor/V1/AccountSecretResource.cs b/src/Twilio/Rest/Microvisor/V1/AccountSecretResource.cs
index df6dd4c08..f8efbfc25 100644
--- a/src/Twilio/Rest/Microvisor/V1/AccountSecretResource.cs
+++ b/src/Twilio/Rest/Microvisor/V1/AccountSecretResource.cs
@@ -66,10 +66,10 @@ public static AccountSecretResource Create(CreateAccountSecretOptions options, I
         /// <param name="options"> Create AccountSecret parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccountSecret </returns>
-        public static async System.Threading.Tasks.Task<AccountSecretResource> CreateAsync(CreateAccountSecretOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccountSecretResource> CreateAsync(CreateAccountSecretOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -97,10 +97,10 @@ public static AccountSecretResource Create(
         public static async System.Threading.Tasks.Task<AccountSecretResource> CreateAsync(
                                                                                   string key,
                                                                                   string value,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAccountSecretOptions(key, value){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -141,11 +141,12 @@ public static bool Delete(DeleteAccountSecretOptions options, ITwilioRestClient
         /// <param name="options"> Delete AccountSecret parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccountSecret </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAccountSecretOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAccountSecretOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -165,10 +166,10 @@ public static bool Delete(string pathKey, ITwilioRestClient client = null)
         /// <param name="pathKey"> The secret key; up to 100 characters. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccountSecret </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathKey, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathKey, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAccountSecretOptions(pathKey) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -205,10 +206,10 @@ public static AccountSecretResource Fetch(FetchAccountSecretOptions options, ITw
         /// <param name="options"> Fetch AccountSecret parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccountSecret </returns>
-        public static async System.Threading.Tasks.Task<AccountSecretResource> FetchAsync(FetchAccountSecretOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccountSecretResource> FetchAsync(FetchAccountSecretOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -229,10 +230,10 @@ public static AccountSecretResource Fetch(
         /// <param name="pathKey"> The secret key; up to 100 characters. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccountSecret </returns>
-        public static async System.Threading.Tasks.Task<AccountSecretResource> FetchAsync(string pathKey, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccountSecretResource> FetchAsync(string pathKey, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAccountSecretOptions(pathKey){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -267,10 +268,10 @@ public static ResourceSet<AccountSecretResource> Read(ReadAccountSecretOptions o
         /// <param name="options"> Read AccountSecret parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccountSecret </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AccountSecretResource>> ReadAsync(ReadAccountSecretOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AccountSecretResource>> ReadAsync(ReadAccountSecretOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AccountSecretResource>.FromJson("secrets", response.Content);
             return new ResourceSet<AccountSecretResource>(page, options, client);
@@ -299,10 +300,10 @@ public static ResourceSet<AccountSecretResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<AccountSecretResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAccountSecretOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -389,11 +390,12 @@ public static AccountSecretResource Update(UpdateAccountSecretOptions options, I
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccountSecret </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<AccountSecretResource> UpdateAsync(UpdateAccountSecretOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccountSecretResource> UpdateAsync(UpdateAccountSecretOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -421,10 +423,10 @@ public static AccountSecretResource Update(
         public static async System.Threading.Tasks.Task<AccountSecretResource> UpdateAsync(
                                                                               string pathKey,
                                                                               string value,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateAccountSecretOptions(pathKey, value){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Microvisor/V1/App/AppManifestResource.cs b/src/Twilio/Rest/Microvisor/V1/App/AppManifestResource.cs
index 8ab486cdd..a4bc8e0a4 100644
--- a/src/Twilio/Rest/Microvisor/V1/App/AppManifestResource.cs
+++ b/src/Twilio/Rest/Microvisor/V1/App/AppManifestResource.cs
@@ -67,10 +67,10 @@ public static AppManifestResource Fetch(FetchAppManifestOptions options, ITwilio
         /// <param name="options"> Fetch AppManifest parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AppManifest </returns>
-        public static async System.Threading.Tasks.Task<AppManifestResource> FetchAsync(FetchAppManifestOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AppManifestResource> FetchAsync(FetchAppManifestOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static AppManifestResource Fetch(
         /// <param name="pathAppSid"> A 34-character string that uniquely identifies this App. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AppManifest </returns>
-        public static async System.Threading.Tasks.Task<AppManifestResource> FetchAsync(string pathAppSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AppManifestResource> FetchAsync(string pathAppSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAppManifestOptions(pathAppSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Microvisor/V1/AppResource.cs b/src/Twilio/Rest/Microvisor/V1/AppResource.cs
index a5d491e50..202edb253 100644
--- a/src/Twilio/Rest/Microvisor/V1/AppResource.cs
+++ b/src/Twilio/Rest/Microvisor/V1/AppResource.cs
@@ -71,11 +71,12 @@ public static bool Delete(DeleteAppOptions options, ITwilioRestClient client = n
         /// <param name="options"> Delete App parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of App </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAppOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAppOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -95,10 +96,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> A 34-character string that uniquely identifies this App. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of App </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAppOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -135,10 +136,10 @@ public static AppResource Fetch(FetchAppOptions options, ITwilioRestClient clien
         /// <param name="options"> Fetch App parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of App </returns>
-        public static async System.Threading.Tasks.Task<AppResource> FetchAsync(FetchAppOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AppResource> FetchAsync(FetchAppOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -159,10 +160,10 @@ public static AppResource Fetch(
         /// <param name="pathSid"> A 34-character string that uniquely identifies this App. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of App </returns>
-        public static async System.Threading.Tasks.Task<AppResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AppResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAppOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -197,10 +198,10 @@ public static ResourceSet<AppResource> Read(ReadAppOptions options, ITwilioRestC
         /// <param name="options"> Read App parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of App </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AppResource>> ReadAsync(ReadAppOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AppResource>> ReadAsync(ReadAppOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AppResource>.FromJson("apps", response.Content);
             return new ResourceSet<AppResource>(page, options, client);
@@ -229,10 +230,10 @@ public static ResourceSet<AppResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<AppResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAppOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Microvisor/V1/Device/DeviceConfigResource.cs b/src/Twilio/Rest/Microvisor/V1/Device/DeviceConfigResource.cs
index 2d4ecf094..aabdd9b4d 100644
--- a/src/Twilio/Rest/Microvisor/V1/Device/DeviceConfigResource.cs
+++ b/src/Twilio/Rest/Microvisor/V1/Device/DeviceConfigResource.cs
@@ -68,10 +68,10 @@ public static DeviceConfigResource Create(CreateDeviceConfigOptions options, ITw
         /// <param name="options"> Create DeviceConfig parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeviceConfig </returns>
-        public static async System.Threading.Tasks.Task<DeviceConfigResource> CreateAsync(CreateDeviceConfigOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeviceConfigResource> CreateAsync(CreateDeviceConfigOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -103,10 +103,10 @@ public static async System.Threading.Tasks.Task<DeviceConfigResource> CreateAsyn
                                                                                   string pathDeviceSid,
                                                                                   string key,
                                                                                   string value,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateDeviceConfigOptions(pathDeviceSid, key, value){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,11 +149,12 @@ public static bool Delete(DeleteDeviceConfigOptions options, ITwilioRestClient c
         /// <param name="options"> Delete DeviceConfig parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeviceConfig </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteDeviceConfigOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteDeviceConfigOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -175,10 +176,10 @@ public static bool Delete(string pathDeviceSid, string pathKey, ITwilioRestClien
         /// <param name="pathKey"> The config key; up to 100 characters. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeviceConfig </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDeviceSid, string pathKey, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDeviceSid, string pathKey, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteDeviceConfigOptions(pathDeviceSid, pathKey) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -217,10 +218,10 @@ public static DeviceConfigResource Fetch(FetchDeviceConfigOptions options, ITwil
         /// <param name="options"> Fetch DeviceConfig parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeviceConfig </returns>
-        public static async System.Threading.Tasks.Task<DeviceConfigResource> FetchAsync(FetchDeviceConfigOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeviceConfigResource> FetchAsync(FetchDeviceConfigOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -244,10 +245,10 @@ public static DeviceConfigResource Fetch(
         /// <param name="pathKey"> The config key; up to 100 characters. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeviceConfig </returns>
-        public static async System.Threading.Tasks.Task<DeviceConfigResource> FetchAsync(string pathDeviceSid, string pathKey, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeviceConfigResource> FetchAsync(string pathDeviceSid, string pathKey, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDeviceConfigOptions(pathDeviceSid, pathKey){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -284,10 +285,10 @@ public static ResourceSet<DeviceConfigResource> Read(ReadDeviceConfigOptions opt
         /// <param name="options"> Read DeviceConfig parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeviceConfig </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DeviceConfigResource>> ReadAsync(ReadDeviceConfigOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DeviceConfigResource>> ReadAsync(ReadDeviceConfigOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<DeviceConfigResource>.FromJson("configs", response.Content);
             return new ResourceSet<DeviceConfigResource>(page, options, client);
@@ -320,10 +321,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<DeviceConfigResource
                                                                                              string pathDeviceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDeviceConfigOptions(pathDeviceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -412,11 +413,12 @@ public static DeviceConfigResource Update(UpdateDeviceConfigOptions options, ITw
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeviceConfig </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<DeviceConfigResource> UpdateAsync(UpdateDeviceConfigOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeviceConfigResource> UpdateAsync(UpdateDeviceConfigOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -448,10 +450,10 @@ public static async System.Threading.Tasks.Task<DeviceConfigResource> UpdateAsyn
                                                                               string pathDeviceSid,
                                                                               string pathKey,
                                                                               string value,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateDeviceConfigOptions(pathDeviceSid, pathKey, value){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Microvisor/V1/Device/DeviceSecretResource.cs b/src/Twilio/Rest/Microvisor/V1/Device/DeviceSecretResource.cs
index 03a37d9f8..61719fbc3 100644
--- a/src/Twilio/Rest/Microvisor/V1/Device/DeviceSecretResource.cs
+++ b/src/Twilio/Rest/Microvisor/V1/Device/DeviceSecretResource.cs
@@ -68,10 +68,10 @@ public static DeviceSecretResource Create(CreateDeviceSecretOptions options, ITw
         /// <param name="options"> Create DeviceSecret parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeviceSecret </returns>
-        public static async System.Threading.Tasks.Task<DeviceSecretResource> CreateAsync(CreateDeviceSecretOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeviceSecretResource> CreateAsync(CreateDeviceSecretOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -103,10 +103,10 @@ public static async System.Threading.Tasks.Task<DeviceSecretResource> CreateAsyn
                                                                                   string pathDeviceSid,
                                                                                   string key,
                                                                                   string value,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateDeviceSecretOptions(pathDeviceSid, key, value){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,11 +149,12 @@ public static bool Delete(DeleteDeviceSecretOptions options, ITwilioRestClient c
         /// <param name="options"> Delete DeviceSecret parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeviceSecret </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteDeviceSecretOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteDeviceSecretOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -175,10 +176,10 @@ public static bool Delete(string pathDeviceSid, string pathKey, ITwilioRestClien
         /// <param name="pathKey"> The secret key; up to 100 characters. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeviceSecret </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDeviceSid, string pathKey, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathDeviceSid, string pathKey, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteDeviceSecretOptions(pathDeviceSid, pathKey) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -217,10 +218,10 @@ public static DeviceSecretResource Fetch(FetchDeviceSecretOptions options, ITwil
         /// <param name="options"> Fetch DeviceSecret parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeviceSecret </returns>
-        public static async System.Threading.Tasks.Task<DeviceSecretResource> FetchAsync(FetchDeviceSecretOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeviceSecretResource> FetchAsync(FetchDeviceSecretOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -244,10 +245,10 @@ public static DeviceSecretResource Fetch(
         /// <param name="pathKey"> The secret key; up to 100 characters. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeviceSecret </returns>
-        public static async System.Threading.Tasks.Task<DeviceSecretResource> FetchAsync(string pathDeviceSid, string pathKey, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeviceSecretResource> FetchAsync(string pathDeviceSid, string pathKey, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDeviceSecretOptions(pathDeviceSid, pathKey){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -284,10 +285,10 @@ public static ResourceSet<DeviceSecretResource> Read(ReadDeviceSecretOptions opt
         /// <param name="options"> Read DeviceSecret parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeviceSecret </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DeviceSecretResource>> ReadAsync(ReadDeviceSecretOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DeviceSecretResource>> ReadAsync(ReadDeviceSecretOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<DeviceSecretResource>.FromJson("secrets", response.Content);
             return new ResourceSet<DeviceSecretResource>(page, options, client);
@@ -320,10 +321,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<DeviceSecretResource
                                                                                              string pathDeviceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDeviceSecretOptions(pathDeviceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -412,11 +413,12 @@ public static DeviceSecretResource Update(UpdateDeviceSecretOptions options, ITw
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DeviceSecret </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<DeviceSecretResource> UpdateAsync(UpdateDeviceSecretOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeviceSecretResource> UpdateAsync(UpdateDeviceSecretOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -448,10 +450,10 @@ public static async System.Threading.Tasks.Task<DeviceSecretResource> UpdateAsyn
                                                                               string pathDeviceSid,
                                                                               string pathKey,
                                                                               string value,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateDeviceSecretOptions(pathDeviceSid, pathKey, value){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Microvisor/V1/DeviceResource.cs b/src/Twilio/Rest/Microvisor/V1/DeviceResource.cs
index 54097867a..5a81f690e 100644
--- a/src/Twilio/Rest/Microvisor/V1/DeviceResource.cs
+++ b/src/Twilio/Rest/Microvisor/V1/DeviceResource.cs
@@ -67,10 +67,10 @@ public static DeviceResource Fetch(FetchDeviceOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Device parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Device </returns>
-        public static async System.Threading.Tasks.Task<DeviceResource> FetchAsync(FetchDeviceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeviceResource> FetchAsync(FetchDeviceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static DeviceResource Fetch(
         /// <param name="pathSid"> A 34-character string that uniquely identifies this Device. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Device </returns>
-        public static async System.Threading.Tasks.Task<DeviceResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeviceResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDeviceOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<DeviceResource> Read(ReadDeviceOptions options, ITwili
         /// <param name="options"> Read Device parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Device </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DeviceResource>> ReadAsync(ReadDeviceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DeviceResource>> ReadAsync(ReadDeviceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<DeviceResource>.FromJson("devices", response.Content);
             return new ResourceSet<DeviceResource>(page, options, client);
@@ -161,10 +161,10 @@ public static ResourceSet<DeviceResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<DeviceResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDeviceOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -251,11 +251,12 @@ public static DeviceResource Update(UpdateDeviceOptions options, ITwilioRestClie
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Device </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<DeviceResource> UpdateAsync(UpdateDeviceOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeviceResource> UpdateAsync(UpdateDeviceOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -295,10 +296,10 @@ public static async System.Threading.Tasks.Task<DeviceResource> UpdateAsync(
                                                                               string targetApp = null,
                                                                               bool? loggingEnabled = null,
                                                                               bool? restartApp = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateDeviceOptions(pathSid){ UniqueName = uniqueName, TargetApp = targetApp, LoggingEnabled = loggingEnabled, RestartApp = restartApp };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Monitor/V1/AlertResource.cs b/src/Twilio/Rest/Monitor/V1/AlertResource.cs
index 7173aad70..25a289126 100644
--- a/src/Twilio/Rest/Monitor/V1/AlertResource.cs
+++ b/src/Twilio/Rest/Monitor/V1/AlertResource.cs
@@ -67,10 +67,10 @@ public static AlertResource Fetch(FetchAlertOptions options, ITwilioRestClient c
         /// <param name="options"> Fetch Alert parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Alert </returns>
-        public static async System.Threading.Tasks.Task<AlertResource> FetchAsync(FetchAlertOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AlertResource> FetchAsync(FetchAlertOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static AlertResource Fetch(
         /// <param name="pathSid"> The SID of the Alert resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Alert </returns>
-        public static async System.Threading.Tasks.Task<AlertResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AlertResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAlertOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<AlertResource> Read(ReadAlertOptions options, ITwilioR
         /// <param name="options"> Read Alert parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Alert </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AlertResource>> ReadAsync(ReadAlertOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AlertResource>> ReadAsync(ReadAlertOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AlertResource>.FromJson("alerts", response.Content);
             return new ResourceSet<AlertResource>(page, options, client);
@@ -173,10 +173,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AlertResource>> Read
                                                                                              DateTime? endDate = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAlertOptions(){ LogLevel = logLevel, StartDate = startDate, EndDate = endDate, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Monitor/V1/EventResource.cs b/src/Twilio/Rest/Monitor/V1/EventResource.cs
index 488a70ec7..228591731 100644
--- a/src/Twilio/Rest/Monitor/V1/EventResource.cs
+++ b/src/Twilio/Rest/Monitor/V1/EventResource.cs
@@ -67,10 +67,10 @@ public static EventResource Fetch(FetchEventOptions options, ITwilioRestClient c
         /// <param name="options"> Fetch Event parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Event </returns>
-        public static async System.Threading.Tasks.Task<EventResource> FetchAsync(FetchEventOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EventResource> FetchAsync(FetchEventOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static EventResource Fetch(
         /// <param name="pathSid"> The SID of the Event resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Event </returns>
-        public static async System.Threading.Tasks.Task<EventResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EventResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchEventOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<EventResource> Read(ReadEventOptions options, ITwilioR
         /// <param name="options"> Read Event parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Event </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<EventResource>> ReadAsync(ReadEventOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<EventResource>> ReadAsync(ReadEventOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<EventResource>.FromJson("events", response.Content);
             return new ResourceSet<EventResource>(page, options, client);
@@ -185,10 +185,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<EventResource>> Read
                                                                                              DateTime? endDate = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadEventOptions(){ ActorSid = actorSid, EventType = eventType, ResourceSid = resourceSid, SourceIpAddress = sourceIpAddress, StartDate = startDate, EndDate = endDate, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Notify/V1/CredentialResource.cs b/src/Twilio/Rest/Notify/V1/CredentialResource.cs
index 78041cf90..4647c685a 100644
--- a/src/Twilio/Rest/Notify/V1/CredentialResource.cs
+++ b/src/Twilio/Rest/Notify/V1/CredentialResource.cs
@@ -80,10 +80,10 @@ public static CredentialResource Create(CreateCredentialOptions options, ITwilio
         /// <param name="options"> Create Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(CreateCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(CreateCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -131,10 +131,10 @@ public static async System.Threading.Tasks.Task<CredentialResource> CreateAsync(
                                                                                   bool? sandbox = null,
                                                                                   string apiKey = null,
                                                                                   string secret = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCredentialOptions(type){  FriendlyName = friendlyName, Certificate = certificate, PrivateKey = privateKey, Sandbox = sandbox, ApiKey = apiKey, Secret = secret };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -175,11 +175,12 @@ public static bool Delete(DeleteCredentialOptions options, ITwilioRestClient cli
         /// <param name="options"> Delete Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -199,10 +200,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Credential resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCredentialOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -239,10 +240,10 @@ public static CredentialResource Fetch(FetchCredentialOptions options, ITwilioRe
         /// <param name="options"> Fetch Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(FetchCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(FetchCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -263,10 +264,10 @@ public static CredentialResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Credential resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCredentialOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<CredentialResource> Read(ReadCredentialOptions options
         /// <param name="options"> Read Credential parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(ReadCredentialOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(ReadCredentialOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CredentialResource>.FromJson("credentials", response.Content);
             return new ResourceSet<CredentialResource>(page, options, client);
@@ -333,10 +334,10 @@ public static ResourceSet<CredentialResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<CredentialResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCredentialOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -423,11 +424,12 @@ public static CredentialResource Update(UpdateCredentialOptions options, ITwilio
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Credential </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(UpdateCredentialOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(UpdateCredentialOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -475,10 +477,10 @@ public static async System.Threading.Tasks.Task<CredentialResource> UpdateAsync(
                                                                               bool? sandbox = null,
                                                                               string apiKey = null,
                                                                               string secret = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateCredentialOptions(pathSid){ FriendlyName = friendlyName, Certificate = certificate, PrivateKey = privateKey, Sandbox = sandbox, ApiKey = apiKey, Secret = secret };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Notify/V1/Service/BindingResource.cs b/src/Twilio/Rest/Notify/V1/Service/BindingResource.cs
index 49effe7dc..ac8a9397e 100644
--- a/src/Twilio/Rest/Notify/V1/Service/BindingResource.cs
+++ b/src/Twilio/Rest/Notify/V1/Service/BindingResource.cs
@@ -84,10 +84,10 @@ public static BindingResource Create(CreateBindingOptions options, ITwilioRestCl
         /// <param name="options"> Create Binding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<BindingResource> CreateAsync(CreateBindingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BindingResource> CreateAsync(CreateBindingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -139,10 +139,10 @@ public static async System.Threading.Tasks.Task<BindingResource> CreateAsync(
                                                                                   string notificationProtocolVersion = null,
                                                                                   string credentialSid = null,
                                                                                   string endpoint = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateBindingOptions(pathServiceSid, identity, bindingType, address){  Tag = tag, NotificationProtocolVersion = notificationProtocolVersion, CredentialSid = credentialSid, Endpoint = endpoint };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -185,11 +185,12 @@ public static bool Delete(DeleteBindingOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Binding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteBindingOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteBindingOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -211,10 +212,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Binding resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteBindingOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -253,10 +254,10 @@ public static BindingResource Fetch(FetchBindingOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Binding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<BindingResource> FetchAsync(FetchBindingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BindingResource> FetchAsync(FetchBindingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -280,10 +281,10 @@ public static BindingResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Binding resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<BindingResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BindingResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchBindingOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -320,10 +321,10 @@ public static ResourceSet<BindingResource> Read(ReadBindingOptions options, ITwi
         /// <param name="options"> Read Binding parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Binding </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<BindingResource>> ReadAsync(ReadBindingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<BindingResource>> ReadAsync(ReadBindingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<BindingResource>.FromJson("bindings", response.Content);
             return new ResourceSet<BindingResource>(page, options, client);
@@ -372,10 +373,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<BindingResource>> Re
                                                                                              List<string> tag = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadBindingOptions(pathServiceSid){ StartDate = startDate, EndDate = endDate, Identity = identity, Tag = tag, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Notify/V1/Service/NotificationResource.cs b/src/Twilio/Rest/Notify/V1/Service/NotificationResource.cs
index 763ade441..acde1d758 100644
--- a/src/Twilio/Rest/Notify/V1/Service/NotificationResource.cs
+++ b/src/Twilio/Rest/Notify/V1/Service/NotificationResource.cs
@@ -81,10 +81,10 @@ public static NotificationResource Create(CreateNotificationOptions options, ITw
         /// <param name="options"> Create Notification parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Notification </returns>
-        public static async System.Threading.Tasks.Task<NotificationResource> CreateAsync(CreateNotificationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NotificationResource> CreateAsync(CreateNotificationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -180,10 +180,10 @@ public static async System.Threading.Tasks.Task<NotificationResource> CreateAsyn
                                                                                   object alexa = null,
                                                                                   List<string> toBinding = null,
                                                                                   string deliveryCallbackUrl = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateNotificationOptions(pathServiceSid){  Identity = identity, Tag = tag, Body = body, Priority = priority, Ttl = ttl, Title = title, Sound = sound, Action = action, Data = data, Apn = apn, Gcm = gcm, Sms = sms, FacebookMessenger = facebookMessenger, Fcm = fcm, Segment = segment, Alexa = alexa, ToBinding = toBinding, DeliveryCallbackUrl = deliveryCallbackUrl };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Notify/V1/ServiceResource.cs b/src/Twilio/Rest/Notify/V1/ServiceResource.cs
index cd0434927..b9f582bce 100644
--- a/src/Twilio/Rest/Notify/V1/ServiceResource.cs
+++ b/src/Twilio/Rest/Notify/V1/ServiceResource.cs
@@ -66,10 +66,10 @@ public static ServiceResource Create(CreateServiceOptions options, ITwilioRestCl
         /// <param name="options"> Create Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -145,10 +145,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(
                                                                                   string defaultAlexaNotificationProtocolVersion = null,
                                                                                   string deliveryCallbackUrl = null,
                                                                                   bool? deliveryCallbackEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateServiceOptions(){  FriendlyName = friendlyName, ApnCredentialSid = apnCredentialSid, GcmCredentialSid = gcmCredentialSid, MessagingServiceSid = messagingServiceSid, FacebookMessengerPageId = facebookMessengerPageId, DefaultApnNotificationProtocolVersion = defaultApnNotificationProtocolVersion, DefaultGcmNotificationProtocolVersion = defaultGcmNotificationProtocolVersion, FcmCredentialSid = fcmCredentialSid, DefaultFcmNotificationProtocolVersion = defaultFcmNotificationProtocolVersion, LogEnabled = logEnabled, AlexaSkillId = alexaSkillId, DefaultAlexaNotificationProtocolVersion = defaultAlexaNotificationProtocolVersion, DeliveryCallbackUrl = deliveryCallbackUrl, DeliveryCallbackEnabled = deliveryCallbackEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -189,11 +189,12 @@ public static bool Delete(DeleteServiceOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -213,10 +214,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Service resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteServiceOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -253,10 +254,10 @@ public static ServiceResource Fetch(FetchServiceOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -277,10 +278,10 @@ public static ServiceResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Service resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchServiceOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -315,10 +316,10 @@ public static ResourceSet<ServiceResource> Read(ReadServiceOptions options, ITwi
         /// <param name="options"> Read Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ServiceResource>.FromJson("services", response.Content);
             return new ResourceSet<ServiceResource>(page, options, client);
@@ -351,10 +352,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> Re
                                                                                              string friendlyName = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadServiceOptions(){ FriendlyName = friendlyName, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -441,11 +442,12 @@ public static ServiceResource Update(UpdateServiceOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -525,10 +527,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(
                                                                               string defaultAlexaNotificationProtocolVersion = null,
                                                                               string deliveryCallbackUrl = null,
                                                                               bool? deliveryCallbackEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateServiceOptions(pathSid){ FriendlyName = friendlyName, ApnCredentialSid = apnCredentialSid, GcmCredentialSid = gcmCredentialSid, MessagingServiceSid = messagingServiceSid, FacebookMessengerPageId = facebookMessengerPageId, DefaultApnNotificationProtocolVersion = defaultApnNotificationProtocolVersion, DefaultGcmNotificationProtocolVersion = defaultGcmNotificationProtocolVersion, FcmCredentialSid = fcmCredentialSid, DefaultFcmNotificationProtocolVersion = defaultFcmNotificationProtocolVersion, LogEnabled = logEnabled, AlexaSkillId = alexaSkillId, DefaultAlexaNotificationProtocolVersion = defaultAlexaNotificationProtocolVersion, DeliveryCallbackUrl = deliveryCallbackUrl, DeliveryCallbackEnabled = deliveryCallbackEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Numbers/V1/BulkEligibilityResource.cs b/src/Twilio/Rest/Numbers/V1/BulkEligibilityResource.cs
index 6056c4c02..cce1a3045 100644
--- a/src/Twilio/Rest/Numbers/V1/BulkEligibilityResource.cs
+++ b/src/Twilio/Rest/Numbers/V1/BulkEligibilityResource.cs
@@ -67,10 +67,10 @@ public static BulkEligibilityResource Create(CreateBulkEligibilityOptions option
         /// <param name="options"> Create BulkEligibility parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BulkEligibility </returns>
-        public static async System.Threading.Tasks.Task<BulkEligibilityResource> CreateAsync(CreateBulkEligibilityOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BulkEligibilityResource> CreateAsync(CreateBulkEligibilityOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -90,10 +90,11 @@ public static BulkEligibilityResource Create(
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BulkEligibility </returns>
         public static async System.Threading.Tasks.Task<BulkEligibilityResource> CreateAsync(
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateBulkEligibilityOptions(){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -130,10 +131,10 @@ public static BulkEligibilityResource Fetch(FetchBulkEligibilityOptions options,
         /// <param name="options"> Fetch BulkEligibility parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BulkEligibility </returns>
-        public static async System.Threading.Tasks.Task<BulkEligibilityResource> FetchAsync(FetchBulkEligibilityOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BulkEligibilityResource> FetchAsync(FetchBulkEligibilityOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -154,10 +155,10 @@ public static BulkEligibilityResource Fetch(
         /// <param name="pathRequestId"> The SID of the bulk eligibility check that you want to know about. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BulkEligibility </returns>
-        public static async System.Threading.Tasks.Task<BulkEligibilityResource> FetchAsync(string pathRequestId, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BulkEligibilityResource> FetchAsync(string pathRequestId, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchBulkEligibilityOptions(pathRequestId){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Numbers/V1/EligibilityResource.cs b/src/Twilio/Rest/Numbers/V1/EligibilityResource.cs
index 4bb3edb19..5fb1f611c 100644
--- a/src/Twilio/Rest/Numbers/V1/EligibilityResource.cs
+++ b/src/Twilio/Rest/Numbers/V1/EligibilityResource.cs
@@ -67,10 +67,10 @@ public static EligibilityResource Create(CreateEligibilityOptions options, ITwil
         /// <param name="options"> Create Eligibility parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Eligibility </returns>
-        public static async System.Threading.Tasks.Task<EligibilityResource> CreateAsync(CreateEligibilityOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EligibilityResource> CreateAsync(CreateEligibilityOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -90,10 +90,11 @@ public static EligibilityResource Create(
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Eligibility </returns>
         public static async System.Threading.Tasks.Task<EligibilityResource> CreateAsync(
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateEligibilityOptions(){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Numbers/V1/PortingPortInPhoneNumberResource.cs b/src/Twilio/Rest/Numbers/V1/PortingPortInPhoneNumberResource.cs
index 825c74367..e85ea23ea 100644
--- a/src/Twilio/Rest/Numbers/V1/PortingPortInPhoneNumberResource.cs
+++ b/src/Twilio/Rest/Numbers/V1/PortingPortInPhoneNumberResource.cs
@@ -73,11 +73,12 @@ public static bool Delete(DeletePortingPortInPhoneNumberOptions options, ITwilio
         /// <param name="options"> Delete PortingPortInPhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PortingPortInPhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeletePortingPortInPhoneNumberOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeletePortingPortInPhoneNumberOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -99,10 +100,10 @@ public static bool Delete(string pathPortInRequestSid, string pathPhoneNumberSid
         /// <param name="pathPhoneNumberSid"> The SID of the Port In request phone number. This is a unique identifier of the phone number. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PortingPortInPhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathPortInRequestSid, string pathPhoneNumberSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathPortInRequestSid, string pathPhoneNumberSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeletePortingPortInPhoneNumberOptions(pathPortInRequestSid, pathPhoneNumberSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -141,10 +142,10 @@ public static PortingPortInPhoneNumberResource Fetch(FetchPortingPortInPhoneNumb
         /// <param name="options"> Fetch PortingPortInPhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PortingPortInPhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PortingPortInPhoneNumberResource> FetchAsync(FetchPortingPortInPhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PortingPortInPhoneNumberResource> FetchAsync(FetchPortingPortInPhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -168,10 +169,10 @@ public static PortingPortInPhoneNumberResource Fetch(
         /// <param name="pathPhoneNumberSid"> The SID of the Phone number. This is a unique identifier of the phone number. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PortingPortInPhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PortingPortInPhoneNumberResource> FetchAsync(string pathPortInRequestSid, string pathPhoneNumberSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PortingPortInPhoneNumberResource> FetchAsync(string pathPortInRequestSid, string pathPhoneNumberSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPortingPortInPhoneNumberOptions(pathPortInRequestSid, pathPhoneNumberSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Numbers/V1/PortingPortInResource.cs b/src/Twilio/Rest/Numbers/V1/PortingPortInResource.cs
index dbb791cc2..9fdc4a764 100644
--- a/src/Twilio/Rest/Numbers/V1/PortingPortInResource.cs
+++ b/src/Twilio/Rest/Numbers/V1/PortingPortInResource.cs
@@ -67,10 +67,10 @@ public static PortingPortInResource Create(CreatePortingPortInOptions options, I
         /// <param name="options"> Create PortingPortIn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PortingPortIn </returns>
-        public static async System.Threading.Tasks.Task<PortingPortInResource> CreateAsync(CreatePortingPortInOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PortingPortInResource> CreateAsync(CreatePortingPortInOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -90,10 +90,11 @@ public static PortingPortInResource Create(
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PortingPortIn </returns>
         public static async System.Threading.Tasks.Task<PortingPortInResource> CreateAsync(
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreatePortingPortInOptions(){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -134,11 +135,12 @@ public static bool Delete(DeletePortingPortInOptions options, ITwilioRestClient
         /// <param name="options"> Delete PortingPortIn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PortingPortIn </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeletePortingPortInOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeletePortingPortInOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -158,10 +160,10 @@ public static bool Delete(string pathPortInRequestSid, ITwilioRestClient client
         /// <param name="pathPortInRequestSid"> The SID of the Port In request. This is a unique identifier of the port in request. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PortingPortIn </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathPortInRequestSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathPortInRequestSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeletePortingPortInOptions(pathPortInRequestSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -198,10 +200,10 @@ public static PortingPortInResource Fetch(FetchPortingPortInOptions options, ITw
         /// <param name="options"> Fetch PortingPortIn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PortingPortIn </returns>
-        public static async System.Threading.Tasks.Task<PortingPortInResource> FetchAsync(FetchPortingPortInOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PortingPortInResource> FetchAsync(FetchPortingPortInOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -222,10 +224,10 @@ public static PortingPortInResource Fetch(
         /// <param name="pathPortInRequestSid"> The SID of the Port In request. This is a unique identifier of the port in request. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PortingPortIn </returns>
-        public static async System.Threading.Tasks.Task<PortingPortInResource> FetchAsync(string pathPortInRequestSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PortingPortInResource> FetchAsync(string pathPortInRequestSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPortingPortInOptions(pathPortInRequestSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Numbers/V1/PortingPortabilityResource.cs b/src/Twilio/Rest/Numbers/V1/PortingPortabilityResource.cs
index de5b9a3b9..b8e80f391 100644
--- a/src/Twilio/Rest/Numbers/V1/PortingPortabilityResource.cs
+++ b/src/Twilio/Rest/Numbers/V1/PortingPortabilityResource.cs
@@ -82,10 +82,10 @@ public static PortingPortabilityResource Fetch(FetchPortingPortabilityOptions op
         /// <param name="options"> Fetch PortingPortability parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PortingPortability </returns>
-        public static async System.Threading.Tasks.Task<PortingPortabilityResource> FetchAsync(FetchPortingPortabilityOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PortingPortabilityResource> FetchAsync(FetchPortingPortabilityOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -112,10 +112,10 @@ public static PortingPortabilityResource Fetch(
         /// <param name="addressSid"> Address Sid of customer to which the number will be ported. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PortingPortability </returns>
-        public static async System.Threading.Tasks.Task<PortingPortabilityResource> FetchAsync(Types.PhoneNumber pathPhoneNumber, string targetAccountSid = null, string addressSid = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PortingPortabilityResource> FetchAsync(Types.PhoneNumber pathPhoneNumber, string targetAccountSid = null, string addressSid = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPortingPortabilityOptions(pathPhoneNumber){ TargetAccountSid = targetAccountSid,AddressSid = addressSid };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Numbers/V1/PortingWebhookConfigurationDeleteResource.cs b/src/Twilio/Rest/Numbers/V1/PortingWebhookConfigurationDeleteResource.cs
index 418b33afd..8b314a0dc 100644
--- a/src/Twilio/Rest/Numbers/V1/PortingWebhookConfigurationDeleteResource.cs
+++ b/src/Twilio/Rest/Numbers/V1/PortingWebhookConfigurationDeleteResource.cs
@@ -83,11 +83,12 @@ public static bool Delete(DeletePortingWebhookConfigurationDeleteOptions options
         /// <param name="options"> Delete PortingWebhookConfigurationDelete parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PortingWebhookConfigurationDelete </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeletePortingWebhookConfigurationDeleteOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeletePortingWebhookConfigurationDeleteOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -107,10 +108,10 @@ public static bool Delete(PortingWebhookConfigurationDeleteResource.WebhookTypeE
         /// <param name="pathWebhookType"> The webhook type for the configuration to be delete. `PORT_IN`, `PORT_OUT` </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PortingWebhookConfigurationDelete </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(PortingWebhookConfigurationDeleteResource.WebhookTypeEnum pathWebhookType, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(PortingWebhookConfigurationDeleteResource.WebhookTypeEnum pathWebhookType, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeletePortingWebhookConfigurationDeleteOptions(pathWebhookType) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Numbers/V1/PortingWebhookConfigurationResource.cs b/src/Twilio/Rest/Numbers/V1/PortingWebhookConfigurationResource.cs
index f376a0815..7aaa94a3d 100644
--- a/src/Twilio/Rest/Numbers/V1/PortingWebhookConfigurationResource.cs
+++ b/src/Twilio/Rest/Numbers/V1/PortingWebhookConfigurationResource.cs
@@ -67,10 +67,10 @@ public static PortingWebhookConfigurationResource Create(CreatePortingWebhookCon
         /// <param name="options"> Create PortingWebhookConfiguration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PortingWebhookConfiguration </returns>
-        public static async System.Threading.Tasks.Task<PortingWebhookConfigurationResource> CreateAsync(CreatePortingWebhookConfigurationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PortingWebhookConfigurationResource> CreateAsync(CreatePortingWebhookConfigurationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -90,10 +90,11 @@ public static PortingWebhookConfigurationResource Create(
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PortingWebhookConfiguration </returns>
         public static async System.Threading.Tasks.Task<PortingWebhookConfigurationResource> CreateAsync(
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreatePortingWebhookConfigurationOptions(){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Numbers/V1/SigningRequestConfigurationResource.cs b/src/Twilio/Rest/Numbers/V1/SigningRequestConfigurationResource.cs
index 7905bc2c8..3d502f9d7 100644
--- a/src/Twilio/Rest/Numbers/V1/SigningRequestConfigurationResource.cs
+++ b/src/Twilio/Rest/Numbers/V1/SigningRequestConfigurationResource.cs
@@ -67,10 +67,10 @@ public static SigningRequestConfigurationResource Create(CreateSigningRequestCon
         /// <param name="options"> Create SigningRequestConfiguration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SigningRequestConfiguration </returns>
-        public static async System.Threading.Tasks.Task<SigningRequestConfigurationResource> CreateAsync(CreateSigningRequestConfigurationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SigningRequestConfigurationResource> CreateAsync(CreateSigningRequestConfigurationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -90,10 +90,11 @@ public static SigningRequestConfigurationResource Create(
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SigningRequestConfiguration </returns>
         public static async System.Threading.Tasks.Task<SigningRequestConfigurationResource> CreateAsync(
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSigningRequestConfigurationOptions(){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -128,10 +129,10 @@ public static ResourceSet<SigningRequestConfigurationResource> Read(ReadSigningR
         /// <param name="options"> Read SigningRequestConfiguration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SigningRequestConfiguration </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SigningRequestConfigurationResource>> ReadAsync(ReadSigningRequestConfigurationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SigningRequestConfigurationResource>> ReadAsync(ReadSigningRequestConfigurationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SigningRequestConfigurationResource>.FromJson("configurations", response.Content);
             return new ResourceSet<SigningRequestConfigurationResource>(page, options, client);
@@ -168,10 +169,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SigningRequestConfig
                                                                                              string product = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSigningRequestConfigurationOptions(){ Country = country, Product = product, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Numbers/V1/WebhookResource.cs b/src/Twilio/Rest/Numbers/V1/WebhookResource.cs
index 42f31d0cb..ca8504ad9 100644
--- a/src/Twilio/Rest/Numbers/V1/WebhookResource.cs
+++ b/src/Twilio/Rest/Numbers/V1/WebhookResource.cs
@@ -65,10 +65,10 @@ public static WebhookResource Fetch(FetchWebhookOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(FetchWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(FetchWebhookOptions options, ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -86,10 +86,10 @@ public static WebhookResource Fetch(
         /// <summary> Allows to fetch the webhook configuration </summary>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWebhookOptions(){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Numbers/V2/AuthorizationDocument/DependentHostedNumberOrderResource.cs b/src/Twilio/Rest/Numbers/V2/AuthorizationDocument/DependentHostedNumberOrderResource.cs
index 500a1e38e..26652d6b5 100644
--- a/src/Twilio/Rest/Numbers/V2/AuthorizationDocument/DependentHostedNumberOrderResource.cs
+++ b/src/Twilio/Rest/Numbers/V2/AuthorizationDocument/DependentHostedNumberOrderResource.cs
@@ -85,10 +85,10 @@ public static ResourceSet<DependentHostedNumberOrderResource> Read(ReadDependent
         /// <param name="options"> Read DependentHostedNumberOrder parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DependentHostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DependentHostedNumberOrderResource>> ReadAsync(ReadDependentHostedNumberOrderOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DependentHostedNumberOrderResource>> ReadAsync(ReadDependentHostedNumberOrderOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<DependentHostedNumberOrderResource>.FromJson("items", response.Content);
             return new ResourceSet<DependentHostedNumberOrderResource>(page, options, client);
@@ -137,10 +137,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<DependentHostedNumbe
                                                                                              string friendlyName = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDependentHostedNumberOrderOptions(pathSigningDocumentSid){ Status = status, PhoneNumber = phoneNumber, IncomingPhoneNumberSid = incomingPhoneNumberSid, FriendlyName = friendlyName, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Numbers/V2/AuthorizationDocumentResource.cs b/src/Twilio/Rest/Numbers/V2/AuthorizationDocumentResource.cs
index 194d21cd2..69d691015 100644
--- a/src/Twilio/Rest/Numbers/V2/AuthorizationDocumentResource.cs
+++ b/src/Twilio/Rest/Numbers/V2/AuthorizationDocumentResource.cs
@@ -82,10 +82,10 @@ public static AuthorizationDocumentResource Create(CreateAuthorizationDocumentOp
         /// <param name="options"> Create AuthorizationDocument parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthorizationDocument </returns>
-        public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> CreateAsync(CreateAuthorizationDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> CreateAsync(CreateAuthorizationDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -129,10 +129,10 @@ public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> C
                                                                                   List<string> hostedNumberOrderSids,
                                                                                   string contactTitle = null,
                                                                                   List<string> ccEmails = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAuthorizationDocumentOptions(addressSid, email, contactPhoneNumber, hostedNumberOrderSids){  ContactTitle = contactTitle, CcEmails = ccEmails };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -173,11 +173,12 @@ public static bool Delete(DeleteAuthorizationDocumentOptions options, ITwilioRes
         /// <param name="options"> Delete AuthorizationDocument parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthorizationDocument </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAuthorizationDocumentOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAuthorizationDocumentOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -197,10 +198,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> A 34 character string that uniquely identifies this AuthorizationDocument. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthorizationDocument </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAuthorizationDocumentOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -237,10 +238,10 @@ public static AuthorizationDocumentResource Fetch(FetchAuthorizationDocumentOpti
         /// <param name="options"> Fetch AuthorizationDocument parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthorizationDocument </returns>
-        public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> FetchAsync(FetchAuthorizationDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> FetchAsync(FetchAuthorizationDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -261,10 +262,10 @@ public static AuthorizationDocumentResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this AuthorizationDocument. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthorizationDocument </returns>
-        public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAuthorizationDocumentOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -299,10 +300,10 @@ public static ResourceSet<AuthorizationDocumentResource> Read(ReadAuthorizationD
         /// <param name="options"> Read AuthorizationDocument parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthorizationDocument </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AuthorizationDocumentResource>> ReadAsync(ReadAuthorizationDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AuthorizationDocumentResource>> ReadAsync(ReadAuthorizationDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AuthorizationDocumentResource>.FromJson("items", response.Content);
             return new ResourceSet<AuthorizationDocumentResource>(page, options, client);
@@ -339,10 +340,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AuthorizationDocumen
                                                                                              AuthorizationDocumentResource.StatusEnum status = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAuthorizationDocumentOptions(){ Email = email, Status = status, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Numbers/V2/BulkHostedNumberOrderResource.cs b/src/Twilio/Rest/Numbers/V2/BulkHostedNumberOrderResource.cs
index 1562bdbc9..f66fa1f4e 100644
--- a/src/Twilio/Rest/Numbers/V2/BulkHostedNumberOrderResource.cs
+++ b/src/Twilio/Rest/Numbers/V2/BulkHostedNumberOrderResource.cs
@@ -81,10 +81,10 @@ public static BulkHostedNumberOrderResource Create(CreateBulkHostedNumberOrderOp
         /// <param name="options"> Create BulkHostedNumberOrder parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BulkHostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<BulkHostedNumberOrderResource> CreateAsync(CreateBulkHostedNumberOrderOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BulkHostedNumberOrderResource> CreateAsync(CreateBulkHostedNumberOrderOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -104,10 +104,11 @@ public static BulkHostedNumberOrderResource Create(
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BulkHostedNumberOrder </returns>
         public static async System.Threading.Tasks.Task<BulkHostedNumberOrderResource> CreateAsync(
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateBulkHostedNumberOrderOptions(){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -144,10 +145,10 @@ public static BulkHostedNumberOrderResource Fetch(FetchBulkHostedNumberOrderOpti
         /// <param name="options"> Fetch BulkHostedNumberOrder parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BulkHostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<BulkHostedNumberOrderResource> FetchAsync(FetchBulkHostedNumberOrderOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BulkHostedNumberOrderResource> FetchAsync(FetchBulkHostedNumberOrderOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -171,10 +172,10 @@ public static BulkHostedNumberOrderResource Fetch(
         /// <param name="orderStatus"> Order status can be used for filtering on Hosted Number Order status values. To see a complete list of order statuses, please check 'https://www.twilio.com/docs/phone-numbers/hosted-numbers/hosted-numbers-api/hosted-number-order-resource#status-values'. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BulkHostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<BulkHostedNumberOrderResource> FetchAsync(string pathBulkHostingSid, string orderStatus = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BulkHostedNumberOrderResource> FetchAsync(string pathBulkHostingSid, string orderStatus = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchBulkHostedNumberOrderOptions(pathBulkHostingSid){ OrderStatus = orderStatus };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Numbers/V2/BundleCloneResource.cs b/src/Twilio/Rest/Numbers/V2/BundleCloneResource.cs
index 1cd92a88f..50515ddd6 100644
--- a/src/Twilio/Rest/Numbers/V2/BundleCloneResource.cs
+++ b/src/Twilio/Rest/Numbers/V2/BundleCloneResource.cs
@@ -85,10 +85,10 @@ public static BundleCloneResource Create(CreateBundleCloneOptions options, ITwil
         /// <param name="options"> Create BundleClone parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BundleClone </returns>
-        public static async System.Threading.Tasks.Task<BundleCloneResource> CreateAsync(CreateBundleCloneOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BundleCloneResource> CreateAsync(CreateBundleCloneOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -124,10 +124,10 @@ public static async System.Threading.Tasks.Task<BundleCloneResource> CreateAsync
                                                                                   string targetAccountSid,
                                                                                   bool? moveToDraft = null,
                                                                                   string friendlyName = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateBundleCloneOptions(pathBundleSid, targetAccountSid){  MoveToDraft = moveToDraft, FriendlyName = friendlyName };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Numbers/V2/HostedNumberOrderResource.cs b/src/Twilio/Rest/Numbers/V2/HostedNumberOrderResource.cs
index bce028eb5..a8f952a66 100644
--- a/src/Twilio/Rest/Numbers/V2/HostedNumberOrderResource.cs
+++ b/src/Twilio/Rest/Numbers/V2/HostedNumberOrderResource.cs
@@ -97,10 +97,10 @@ public static HostedNumberOrderResource Create(CreateHostedNumberOrderOptions op
         /// <param name="options"> Create HostedNumberOrder parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of HostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<HostedNumberOrderResource> CreateAsync(CreateHostedNumberOrderOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<HostedNumberOrderResource> CreateAsync(CreateHostedNumberOrderOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -184,10 +184,10 @@ public static async System.Threading.Tasks.Task<HostedNumberOrderResource> Creat
                                                                                   Twilio.Http.HttpMethod statusCallbackMethod = null,
                                                                                   string smsApplicationSid = null,
                                                                                   string contactTitle = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateHostedNumberOrderOptions(phoneNumber, contactPhoneNumber, addressSid, email){  AccountSid = accountSid, FriendlyName = friendlyName, CcEmails = ccEmails, SmsUrl = smsUrl, SmsMethod = smsMethod, SmsFallbackUrl = smsFallbackUrl, SmsCapability = smsCapability, SmsFallbackMethod = smsFallbackMethod, StatusCallbackUrl = statusCallbackUrl, StatusCallbackMethod = statusCallbackMethod, SmsApplicationSid = smsApplicationSid, ContactTitle = contactTitle };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -228,11 +228,12 @@ public static bool Delete(DeleteHostedNumberOrderOptions options, ITwilioRestCli
         /// <param name="options"> Delete HostedNumberOrder parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of HostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteHostedNumberOrderOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteHostedNumberOrderOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -252,10 +253,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> A 34 character string that uniquely identifies this HostedNumberOrder. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of HostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteHostedNumberOrderOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -292,10 +293,10 @@ public static HostedNumberOrderResource Fetch(FetchHostedNumberOrderOptions opti
         /// <param name="options"> Fetch HostedNumberOrder parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of HostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<HostedNumberOrderResource> FetchAsync(FetchHostedNumberOrderOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<HostedNumberOrderResource> FetchAsync(FetchHostedNumberOrderOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -316,10 +317,10 @@ public static HostedNumberOrderResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this HostedNumberOrder. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of HostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<HostedNumberOrderResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<HostedNumberOrderResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchHostedNumberOrderOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -354,10 +355,10 @@ public static ResourceSet<HostedNumberOrderResource> Read(ReadHostedNumberOrderO
         /// <param name="options"> Read HostedNumberOrder parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of HostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<HostedNumberOrderResource>> ReadAsync(ReadHostedNumberOrderOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<HostedNumberOrderResource>> ReadAsync(ReadHostedNumberOrderOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<HostedNumberOrderResource>.FromJson("items", response.Content);
             return new ResourceSet<HostedNumberOrderResource>(page, options, client);
@@ -406,10 +407,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<HostedNumberOrderRes
                                                                                              string friendlyName = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadHostedNumberOrderOptions(){ Status = status, SmsCapability = smsCapability, PhoneNumber = phoneNumber, IncomingPhoneNumberSid = incomingPhoneNumberSid, FriendlyName = friendlyName, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -496,11 +497,12 @@ public static HostedNumberOrderResource Update(UpdateHostedNumberOrderOptions op
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of HostedNumberOrder </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<HostedNumberOrderResource> UpdateAsync(UpdateHostedNumberOrderOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<HostedNumberOrderResource> UpdateAsync(UpdateHostedNumberOrderOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -536,10 +538,10 @@ public static async System.Threading.Tasks.Task<HostedNumberOrderResource> Updat
                                                                               HostedNumberOrderResource.StatusEnum status,
                                                                               int? verificationCallDelay = null,
                                                                               string verificationCallExtension = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateHostedNumberOrderOptions(pathSid, status){ VerificationCallDelay = verificationCallDelay, VerificationCallExtension = verificationCallExtension };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/Bundle/BundleCopyResource.cs b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/Bundle/BundleCopyResource.cs
index 6309fe22c..d4e69b793 100644
--- a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/Bundle/BundleCopyResource.cs
+++ b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/Bundle/BundleCopyResource.cs
@@ -85,10 +85,10 @@ public static BundleCopyResource Create(CreateBundleCopyOptions options, ITwilio
         /// <param name="options"> Create BundleCopy parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BundleCopy </returns>
-        public static async System.Threading.Tasks.Task<BundleCopyResource> CreateAsync(CreateBundleCopyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BundleCopyResource> CreateAsync(CreateBundleCopyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -116,10 +116,10 @@ public static BundleCopyResource Create(
         public static async System.Threading.Tasks.Task<BundleCopyResource> CreateAsync(
                                                                                   string pathBundleSid,
                                                                                   string friendlyName = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateBundleCopyOptions(pathBundleSid){  FriendlyName = friendlyName };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -156,10 +156,10 @@ public static ResourceSet<BundleCopyResource> Read(ReadBundleCopyOptions options
         /// <param name="options"> Read BundleCopy parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BundleCopy </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<BundleCopyResource>> ReadAsync(ReadBundleCopyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<BundleCopyResource>> ReadAsync(ReadBundleCopyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<BundleCopyResource>.FromJson("results", response.Content);
             return new ResourceSet<BundleCopyResource>(page, options, client);
@@ -192,10 +192,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<BundleCopyResource>>
                                                                                              string pathBundleSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadBundleCopyOptions(pathBundleSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/Bundle/EvaluationResource.cs b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/Bundle/EvaluationResource.cs
index 7c6383615..a509be79c 100644
--- a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/Bundle/EvaluationResource.cs
+++ b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/Bundle/EvaluationResource.cs
@@ -81,10 +81,10 @@ public static EvaluationResource Create(CreateEvaluationOptions options, ITwilio
         /// <param name="options"> Create Evaluation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Evaluation </returns>
-        public static async System.Threading.Tasks.Task<EvaluationResource> CreateAsync(CreateEvaluationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EvaluationResource> CreateAsync(CreateEvaluationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -108,10 +108,10 @@ public static EvaluationResource Create(
         /// <returns> Task that resolves to A single instance of Evaluation </returns>
         public static async System.Threading.Tasks.Task<EvaluationResource> CreateAsync(
                                                                                   string pathBundleSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateEvaluationOptions(pathBundleSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -150,10 +150,10 @@ public static EvaluationResource Fetch(FetchEvaluationOptions options, ITwilioRe
         /// <param name="options"> Fetch Evaluation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Evaluation </returns>
-        public static async System.Threading.Tasks.Task<EvaluationResource> FetchAsync(FetchEvaluationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EvaluationResource> FetchAsync(FetchEvaluationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -177,10 +177,10 @@ public static EvaluationResource Fetch(
         /// <param name="pathSid"> The unique string that identifies the Evaluation resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Evaluation </returns>
-        public static async System.Threading.Tasks.Task<EvaluationResource> FetchAsync(string pathBundleSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EvaluationResource> FetchAsync(string pathBundleSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchEvaluationOptions(pathBundleSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -217,10 +217,10 @@ public static ResourceSet<EvaluationResource> Read(ReadEvaluationOptions options
         /// <param name="options"> Read Evaluation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Evaluation </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<EvaluationResource>> ReadAsync(ReadEvaluationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<EvaluationResource>> ReadAsync(ReadEvaluationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<EvaluationResource>.FromJson("results", response.Content);
             return new ResourceSet<EvaluationResource>(page, options, client);
@@ -253,10 +253,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<EvaluationResource>>
                                                                                              string pathBundleSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadEvaluationOptions(pathBundleSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/Bundle/ItemAssignmentResource.cs b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/Bundle/ItemAssignmentResource.cs
index ed1a0c8ba..9cca2edb3 100644
--- a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/Bundle/ItemAssignmentResource.cs
+++ b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/Bundle/ItemAssignmentResource.cs
@@ -68,10 +68,10 @@ public static ItemAssignmentResource Create(CreateItemAssignmentOptions options,
         /// <param name="options"> Create ItemAssignment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ItemAssignment </returns>
-        public static async System.Threading.Tasks.Task<ItemAssignmentResource> CreateAsync(CreateItemAssignmentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ItemAssignmentResource> CreateAsync(CreateItemAssignmentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static ItemAssignmentResource Create(
         public static async System.Threading.Tasks.Task<ItemAssignmentResource> CreateAsync(
                                                                                   string pathBundleSid,
                                                                                   string objectSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateItemAssignmentOptions(pathBundleSid, objectSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteItemAssignmentOptions options, ITwilioRestClient
         /// <param name="options"> Delete ItemAssignment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ItemAssignment </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteItemAssignmentOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteItemAssignmentOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathBundleSid, string pathSid, ITwilioRestClien
         /// <param name="pathSid"> The unique string that we created to identify the Identity resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ItemAssignment </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathBundleSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathBundleSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteItemAssignmentOptions(pathBundleSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static ItemAssignmentResource Fetch(FetchItemAssignmentOptions options, I
         /// <param name="options"> Fetch ItemAssignment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ItemAssignment </returns>
-        public static async System.Threading.Tasks.Task<ItemAssignmentResource> FetchAsync(FetchItemAssignmentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ItemAssignmentResource> FetchAsync(FetchItemAssignmentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static ItemAssignmentResource Fetch(
         /// <param name="pathSid"> The unique string that we created to identify the Identity resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ItemAssignment </returns>
-        public static async System.Threading.Tasks.Task<ItemAssignmentResource> FetchAsync(string pathBundleSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ItemAssignmentResource> FetchAsync(string pathBundleSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchItemAssignmentOptions(pathBundleSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<ItemAssignmentResource> Read(ReadItemAssignmentOptions
         /// <param name="options"> Read ItemAssignment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ItemAssignment </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ItemAssignmentResource>> ReadAsync(ReadItemAssignmentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ItemAssignmentResource>> ReadAsync(ReadItemAssignmentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ItemAssignmentResource>.FromJson("results", response.Content);
             return new ResourceSet<ItemAssignmentResource>(page, options, client);
@@ -316,10 +317,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ItemAssignmentResour
                                                                                              string pathBundleSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadItemAssignmentOptions(pathBundleSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/Bundle/ReplaceItemsResource.cs b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/Bundle/ReplaceItemsResource.cs
index 63d3dde90..cd4ee36ff 100644
--- a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/Bundle/ReplaceItemsResource.cs
+++ b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/Bundle/ReplaceItemsResource.cs
@@ -85,10 +85,10 @@ public static ReplaceItemsResource Create(CreateReplaceItemsOptions options, ITw
         /// <param name="options"> Create ReplaceItems parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ReplaceItems </returns>
-        public static async System.Threading.Tasks.Task<ReplaceItemsResource> CreateAsync(CreateReplaceItemsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ReplaceItemsResource> CreateAsync(CreateReplaceItemsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -116,10 +116,10 @@ public static ReplaceItemsResource Create(
         public static async System.Threading.Tasks.Task<ReplaceItemsResource> CreateAsync(
                                                                                   string pathBundleSid,
                                                                                   string fromBundleSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateReplaceItemsOptions(pathBundleSid, fromBundleSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/BundleResource.cs b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/BundleResource.cs
index a25ac95e0..46599de12 100644
--- a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/BundleResource.cs
+++ b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/BundleResource.cs
@@ -119,10 +119,10 @@ public static BundleResource Create(CreateBundleOptions options, ITwilioRestClie
         /// <param name="options"> Create Bundle parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Bundle </returns>
-        public static async System.Threading.Tasks.Task<BundleResource> CreateAsync(CreateBundleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BundleResource> CreateAsync(CreateBundleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -174,10 +174,10 @@ public static async System.Threading.Tasks.Task<BundleResource> CreateAsync(
                                                                                   BundleResource.EndUserTypeEnum endUserType = null,
                                                                                   string numberType = null,
                                                                                   bool? isTest = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateBundleOptions(friendlyName, email){  StatusCallback = statusCallback, RegulationSid = regulationSid, IsoCountry = isoCountry, EndUserType = endUserType, NumberType = numberType, IsTest = isTest };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -218,11 +218,12 @@ public static bool Delete(DeleteBundleOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Bundle parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Bundle </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteBundleOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteBundleOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -242,10 +243,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The unique string that we created to identify the Bundle resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Bundle </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteBundleOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -282,10 +283,10 @@ public static BundleResource Fetch(FetchBundleOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Bundle parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Bundle </returns>
-        public static async System.Threading.Tasks.Task<BundleResource> FetchAsync(FetchBundleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BundleResource> FetchAsync(FetchBundleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -306,10 +307,10 @@ public static BundleResource Fetch(
         /// <param name="pathSid"> The unique string that we created to identify the Bundle resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Bundle </returns>
-        public static async System.Threading.Tasks.Task<BundleResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BundleResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchBundleOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -344,10 +345,10 @@ public static ResourceSet<BundleResource> Read(ReadBundleOptions options, ITwili
         /// <param name="options"> Read Bundle parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Bundle </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<BundleResource>> ReadAsync(ReadBundleOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<BundleResource>> ReadAsync(ReadBundleOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<BundleResource>.FromJson("results", response.Content);
             return new ResourceSet<BundleResource>(page, options, client);
@@ -420,10 +421,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<BundleResource>> Rea
                                                                                              DateTime? validUntilDateAfter = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadBundleOptions(){ Status = status, FriendlyName = friendlyName, RegulationSid = regulationSid, IsoCountry = isoCountry, NumberType = numberType, HasValidUntilDate = hasValidUntilDate, SortBy = sortBy, SortDirection = sortDirection, ValidUntilDateBefore = validUntilDateBefore, ValidUntilDate = validUntilDate, ValidUntilDateAfter = validUntilDateAfter, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -510,11 +511,12 @@ public static BundleResource Update(UpdateBundleOptions options, ITwilioRestClie
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Bundle </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<BundleResource> UpdateAsync(UpdateBundleOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BundleResource> UpdateAsync(UpdateBundleOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -554,10 +556,10 @@ public static async System.Threading.Tasks.Task<BundleResource> UpdateAsync(
                                                                               Uri statusCallback = null,
                                                                               string friendlyName = null,
                                                                               string email = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateBundleOptions(pathSid){ Status = status, StatusCallback = statusCallback, FriendlyName = friendlyName, Email = email };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/EndUserResource.cs b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/EndUserResource.cs
index 79eeac6d8..f184b6cbf 100644
--- a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/EndUserResource.cs
+++ b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/EndUserResource.cs
@@ -79,10 +79,10 @@ public static EndUserResource Create(CreateEndUserOptions options, ITwilioRestCl
         /// <param name="options"> Create EndUser parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUser </returns>
-        public static async System.Threading.Tasks.Task<EndUserResource> CreateAsync(CreateEndUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EndUserResource> CreateAsync(CreateEndUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -114,10 +114,10 @@ public static async System.Threading.Tasks.Task<EndUserResource> CreateAsync(
                                                                                   string friendlyName,
                                                                                   EndUserResource.TypeEnum type,
                                                                                   object attributes = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateEndUserOptions(friendlyName, type){  Attributes = attributes };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -158,11 +158,12 @@ public static bool Delete(DeleteEndUserOptions options, ITwilioRestClient client
         /// <param name="options"> Delete EndUser parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUser </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteEndUserOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteEndUserOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -182,10 +183,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The unique string created by Twilio to identify the End User resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUser </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteEndUserOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -222,10 +223,10 @@ public static EndUserResource Fetch(FetchEndUserOptions options, ITwilioRestClie
         /// <param name="options"> Fetch EndUser parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUser </returns>
-        public static async System.Threading.Tasks.Task<EndUserResource> FetchAsync(FetchEndUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EndUserResource> FetchAsync(FetchEndUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -246,10 +247,10 @@ public static EndUserResource Fetch(
         /// <param name="pathSid"> The unique string created by Twilio to identify the End User resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUser </returns>
-        public static async System.Threading.Tasks.Task<EndUserResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EndUserResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchEndUserOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -284,10 +285,10 @@ public static ResourceSet<EndUserResource> Read(ReadEndUserOptions options, ITwi
         /// <param name="options"> Read EndUser parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUser </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<EndUserResource>> ReadAsync(ReadEndUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<EndUserResource>> ReadAsync(ReadEndUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<EndUserResource>.FromJson("results", response.Content);
             return new ResourceSet<EndUserResource>(page, options, client);
@@ -316,10 +317,10 @@ public static ResourceSet<EndUserResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<EndUserResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadEndUserOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -406,11 +407,12 @@ public static EndUserResource Update(UpdateEndUserOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUser </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<EndUserResource> UpdateAsync(UpdateEndUserOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EndUserResource> UpdateAsync(UpdateEndUserOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -442,10 +444,10 @@ public static async System.Threading.Tasks.Task<EndUserResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string friendlyName = null,
                                                                               object attributes = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateEndUserOptions(pathSid){ FriendlyName = friendlyName, Attributes = attributes };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/EndUserTypeResource.cs b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/EndUserTypeResource.cs
index 40f587b75..6f38288fe 100644
--- a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/EndUserTypeResource.cs
+++ b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/EndUserTypeResource.cs
@@ -67,10 +67,10 @@ public static EndUserTypeResource Fetch(FetchEndUserTypeOptions options, ITwilio
         /// <param name="options"> Fetch EndUserType parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUserType </returns>
-        public static async System.Threading.Tasks.Task<EndUserTypeResource> FetchAsync(FetchEndUserTypeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EndUserTypeResource> FetchAsync(FetchEndUserTypeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static EndUserTypeResource Fetch(
         /// <param name="pathSid"> The unique string that identifies the End-User Type resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUserType </returns>
-        public static async System.Threading.Tasks.Task<EndUserTypeResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EndUserTypeResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchEndUserTypeOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<EndUserTypeResource> Read(ReadEndUserTypeOptions optio
         /// <param name="options"> Read EndUserType parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUserType </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<EndUserTypeResource>> ReadAsync(ReadEndUserTypeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<EndUserTypeResource>> ReadAsync(ReadEndUserTypeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<EndUserTypeResource>.FromJson("end_user_types", response.Content);
             return new ResourceSet<EndUserTypeResource>(page, options, client);
@@ -161,10 +161,10 @@ public static ResourceSet<EndUserTypeResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<EndUserTypeResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadEndUserTypeOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/RegulationResource.cs b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/RegulationResource.cs
index 0cdf6082d..ec1cc7c8a 100644
--- a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/RegulationResource.cs
+++ b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/RegulationResource.cs
@@ -80,10 +80,10 @@ public static RegulationResource Fetch(FetchRegulationOptions options, ITwilioRe
         /// <param name="options"> Fetch Regulation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Regulation </returns>
-        public static async System.Threading.Tasks.Task<RegulationResource> FetchAsync(FetchRegulationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RegulationResource> FetchAsync(FetchRegulationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -107,10 +107,10 @@ public static RegulationResource Fetch(
         /// <param name="includeConstraints"> A boolean parameter indicating whether to include constraints or not for supporting end user, documents and their fields </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Regulation </returns>
-        public static async System.Threading.Tasks.Task<RegulationResource> FetchAsync(string pathSid, bool? includeConstraints = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RegulationResource> FetchAsync(string pathSid, bool? includeConstraints = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRegulationOptions(pathSid){ IncludeConstraints = includeConstraints };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,10 +145,10 @@ public static ResourceSet<RegulationResource> Read(ReadRegulationOptions options
         /// <param name="options"> Read Regulation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Regulation </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RegulationResource>> ReadAsync(ReadRegulationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RegulationResource>> ReadAsync(ReadRegulationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RegulationResource>.FromJson("results", response.Content);
             return new ResourceSet<RegulationResource>(page, options, client);
@@ -193,10 +193,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<RegulationResource>>
                                                                                              bool? includeConstraints = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRegulationOptions(){ EndUserType = endUserType, IsoCountry = isoCountry, NumberType = numberType, IncludeConstraints = includeConstraints, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/SupportingDocumentResource.cs b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/SupportingDocumentResource.cs
index 2aa316da2..47da175a7 100644
--- a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/SupportingDocumentResource.cs
+++ b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/SupportingDocumentResource.cs
@@ -83,10 +83,10 @@ public static SupportingDocumentResource Create(CreateSupportingDocumentOptions
         /// <param name="options"> Create SupportingDocument parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocument </returns>
-        public static async System.Threading.Tasks.Task<SupportingDocumentResource> CreateAsync(CreateSupportingDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SupportingDocumentResource> CreateAsync(CreateSupportingDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -118,10 +118,10 @@ public static async System.Threading.Tasks.Task<SupportingDocumentResource> Crea
                                                                                   string friendlyName,
                                                                                   string type,
                                                                                   object attributes = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSupportingDocumentOptions(friendlyName, type){  Attributes = attributes };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -162,11 +162,12 @@ public static bool Delete(DeleteSupportingDocumentOptions options, ITwilioRestCl
         /// <param name="options"> Delete SupportingDocument parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocument </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSupportingDocumentOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSupportingDocumentOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -186,10 +187,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The unique string created by Twilio to identify the Supporting Document resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocument </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSupportingDocumentOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -226,10 +227,10 @@ public static SupportingDocumentResource Fetch(FetchSupportingDocumentOptions op
         /// <param name="options"> Fetch SupportingDocument parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocument </returns>
-        public static async System.Threading.Tasks.Task<SupportingDocumentResource> FetchAsync(FetchSupportingDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SupportingDocumentResource> FetchAsync(FetchSupportingDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -250,10 +251,10 @@ public static SupportingDocumentResource Fetch(
         /// <param name="pathSid"> The unique string created by Twilio to identify the Supporting Document resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocument </returns>
-        public static async System.Threading.Tasks.Task<SupportingDocumentResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SupportingDocumentResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSupportingDocumentOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -288,10 +289,10 @@ public static ResourceSet<SupportingDocumentResource> Read(ReadSupportingDocumen
         /// <param name="options"> Read SupportingDocument parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocument </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SupportingDocumentResource>> ReadAsync(ReadSupportingDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SupportingDocumentResource>> ReadAsync(ReadSupportingDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SupportingDocumentResource>.FromJson("results", response.Content);
             return new ResourceSet<SupportingDocumentResource>(page, options, client);
@@ -320,10 +321,10 @@ public static ResourceSet<SupportingDocumentResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<SupportingDocumentResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSupportingDocumentOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -410,11 +411,12 @@ public static SupportingDocumentResource Update(UpdateSupportingDocumentOptions
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocument </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SupportingDocumentResource> UpdateAsync(UpdateSupportingDocumentOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SupportingDocumentResource> UpdateAsync(UpdateSupportingDocumentOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -446,10 +448,10 @@ public static async System.Threading.Tasks.Task<SupportingDocumentResource> Upda
                                                                               string pathSid,
                                                                               string friendlyName = null,
                                                                               object attributes = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSupportingDocumentOptions(pathSid){ FriendlyName = friendlyName, Attributes = attributes };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/SupportingDocumentTypeResource.cs b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/SupportingDocumentTypeResource.cs
index 0e58503c7..bace8d110 100644
--- a/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/SupportingDocumentTypeResource.cs
+++ b/src/Twilio/Rest/Numbers/V2/RegulatoryCompliance/SupportingDocumentTypeResource.cs
@@ -67,10 +67,10 @@ public static SupportingDocumentTypeResource Fetch(FetchSupportingDocumentTypeOp
         /// <param name="options"> Fetch SupportingDocumentType parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocumentType </returns>
-        public static async System.Threading.Tasks.Task<SupportingDocumentTypeResource> FetchAsync(FetchSupportingDocumentTypeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SupportingDocumentTypeResource> FetchAsync(FetchSupportingDocumentTypeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static SupportingDocumentTypeResource Fetch(
         /// <param name="pathSid"> The unique string that identifies the Supporting Document Type resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocumentType </returns>
-        public static async System.Threading.Tasks.Task<SupportingDocumentTypeResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SupportingDocumentTypeResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSupportingDocumentTypeOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<SupportingDocumentTypeResource> Read(ReadSupportingDoc
         /// <param name="options"> Read SupportingDocumentType parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocumentType </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SupportingDocumentTypeResource>> ReadAsync(ReadSupportingDocumentTypeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SupportingDocumentTypeResource>> ReadAsync(ReadSupportingDocumentTypeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SupportingDocumentTypeResource>.FromJson("supporting_document_types", response.Content);
             return new ResourceSet<SupportingDocumentTypeResource>(page, options, client);
@@ -161,10 +161,10 @@ public static ResourceSet<SupportingDocumentTypeResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<SupportingDocumentTypeResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSupportingDocumentTypeOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Oauth/V1/AuthorizeResource.cs b/src/Twilio/Rest/Oauth/V1/AuthorizeResource.cs
index ca0d7d13f..d6d4d5e1b 100644
--- a/src/Twilio/Rest/Oauth/V1/AuthorizeResource.cs
+++ b/src/Twilio/Rest/Oauth/V1/AuthorizeResource.cs
@@ -65,10 +65,10 @@ public static AuthorizeResource Fetch(FetchAuthorizeOptions options, ITwilioRest
         /// <param name="options"> Fetch Authorize parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Authorize </returns>
-        public static async System.Threading.Tasks.Task<AuthorizeResource> FetchAsync(FetchAuthorizeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthorizeResource> FetchAsync(FetchAuthorizeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetNoAuthRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static AuthorizeResource Fetch(
         /// <param name="state"> An opaque value which can be used to maintain state between the request and callback </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Authorize </returns>
-        public static async System.Threading.Tasks.Task<AuthorizeResource> FetchAsync(string responseType = null, string clientId = null, string redirectUri = null, string scope = null, string state = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthorizeResource> FetchAsync(string responseType = null, string clientId = null, string redirectUri = null, string scope = null, string state = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAuthorizeOptions(){ ResponseType = responseType,ClientId = clientId,RedirectUri = redirectUri,Scope = scope,State = state };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Oauth/V1/TokenResource.cs b/src/Twilio/Rest/Oauth/V1/TokenResource.cs
index 298070039..7f05be2ac 100644
--- a/src/Twilio/Rest/Oauth/V1/TokenResource.cs
+++ b/src/Twilio/Rest/Oauth/V1/TokenResource.cs
@@ -66,10 +66,10 @@ public static TokenResource Create(CreateTokenOptions options, ITwilioRestClient
         /// <param name="options"> Create Token parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Token </returns>
-        public static async System.Threading.Tasks.Task<TokenResource> CreateAsync(CreateTokenOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TokenResource> CreateAsync(CreateTokenOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetNoAuthRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -121,10 +121,10 @@ public static async System.Threading.Tasks.Task<TokenResource> CreateAsync(
                                                                                   string audience = null,
                                                                                   string refreshToken = null,
                                                                                   string scope = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTokenOptions(grantType, clientId){  ClientSecret = clientSecret, Code = code, RedirectUri = redirectUri, Audience = audience, RefreshToken = refreshToken, Scope = scope };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Preview/HostedNumbers/AuthorizationDocument/DependentHostedNumberOrderResource.cs b/src/Twilio/Rest/Preview/HostedNumbers/AuthorizationDocument/DependentHostedNumberOrderResource.cs
index 3f99b21af..ffb2e10ac 100644
--- a/src/Twilio/Rest/Preview/HostedNumbers/AuthorizationDocument/DependentHostedNumberOrderResource.cs
+++ b/src/Twilio/Rest/Preview/HostedNumbers/AuthorizationDocument/DependentHostedNumberOrderResource.cs
@@ -100,10 +100,10 @@ public static ResourceSet<DependentHostedNumberOrderResource> Read(ReadDependent
         /// <param name="options"> Read DependentHostedNumberOrder parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DependentHostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DependentHostedNumberOrderResource>> ReadAsync(ReadDependentHostedNumberOrderOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DependentHostedNumberOrderResource>> ReadAsync(ReadDependentHostedNumberOrderOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<DependentHostedNumberOrderResource>.FromJson("items", response.Content);
             return new ResourceSet<DependentHostedNumberOrderResource>(page, options, client);
@@ -156,10 +156,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<DependentHostedNumbe
                                                                                              string uniqueName = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDependentHostedNumberOrderOptions(pathSigningDocumentSid){ Status = status, PhoneNumber = phoneNumber, IncomingPhoneNumberSid = incomingPhoneNumberSid, FriendlyName = friendlyName, UniqueName = uniqueName, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Preview/HostedNumbers/AuthorizationDocumentResource.cs b/src/Twilio/Rest/Preview/HostedNumbers/AuthorizationDocumentResource.cs
index ae1acac7f..d8fbf2f60 100644
--- a/src/Twilio/Rest/Preview/HostedNumbers/AuthorizationDocumentResource.cs
+++ b/src/Twilio/Rest/Preview/HostedNumbers/AuthorizationDocumentResource.cs
@@ -82,10 +82,10 @@ public static AuthorizationDocumentResource Create(CreateAuthorizationDocumentOp
         /// <param name="options"> Create AuthorizationDocument parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthorizationDocument </returns>
-        public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> CreateAsync(CreateAuthorizationDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> CreateAsync(CreateAuthorizationDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -129,10 +129,10 @@ public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> C
                                                                                   string contactTitle,
                                                                                   string contactPhoneNumber,
                                                                                   List<string> ccEmails = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAuthorizationDocumentOptions(hostedNumberOrderSids, addressSid, email, contactTitle, contactPhoneNumber){  CcEmails = ccEmails };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -169,10 +169,10 @@ public static AuthorizationDocumentResource Fetch(FetchAuthorizationDocumentOpti
         /// <param name="options"> Fetch AuthorizationDocument parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthorizationDocument </returns>
-        public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> FetchAsync(FetchAuthorizationDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> FetchAsync(FetchAuthorizationDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -193,10 +193,10 @@ public static AuthorizationDocumentResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this AuthorizationDocument. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthorizationDocument </returns>
-        public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAuthorizationDocumentOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -231,10 +231,10 @@ public static ResourceSet<AuthorizationDocumentResource> Read(ReadAuthorizationD
         /// <param name="options"> Read AuthorizationDocument parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthorizationDocument </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AuthorizationDocumentResource>> ReadAsync(ReadAuthorizationDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AuthorizationDocumentResource>> ReadAsync(ReadAuthorizationDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AuthorizationDocumentResource>.FromJson("items", response.Content);
             return new ResourceSet<AuthorizationDocumentResource>(page, options, client);
@@ -271,10 +271,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AuthorizationDocumen
                                                                                              AuthorizationDocumentResource.StatusEnum status = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAuthorizationDocumentOptions(){ Email = email, Status = status, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -361,11 +361,12 @@ public static AuthorizationDocumentResource Update(UpdateAuthorizationDocumentOp
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AuthorizationDocument </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> UpdateAsync(UpdateAuthorizationDocumentOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> UpdateAsync(UpdateAuthorizationDocumentOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -417,10 +418,10 @@ public static async System.Threading.Tasks.Task<AuthorizationDocumentResource> U
                                                                               AuthorizationDocumentResource.StatusEnum status = null,
                                                                               string contactTitle = null,
                                                                               string contactPhoneNumber = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateAuthorizationDocumentOptions(pathSid){ HostedNumberOrderSids = hostedNumberOrderSids, AddressSid = addressSid, Email = email, CcEmails = ccEmails, Status = status, ContactTitle = contactTitle, ContactPhoneNumber = contactPhoneNumber };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Preview/HostedNumbers/HostedNumberOrderResource.cs b/src/Twilio/Rest/Preview/HostedNumbers/HostedNumberOrderResource.cs
index ae1ced6e1..318aeebda 100644
--- a/src/Twilio/Rest/Preview/HostedNumbers/HostedNumberOrderResource.cs
+++ b/src/Twilio/Rest/Preview/HostedNumbers/HostedNumberOrderResource.cs
@@ -99,10 +99,10 @@ public static HostedNumberOrderResource Create(CreateHostedNumberOrderOptions op
         /// <param name="options"> Create HostedNumberOrder parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of HostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<HostedNumberOrderResource> CreateAsync(CreateHostedNumberOrderOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<HostedNumberOrderResource> CreateAsync(CreateHostedNumberOrderOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -190,10 +190,10 @@ public static async System.Threading.Tasks.Task<HostedNumberOrderResource> Creat
                                                                                   string email = null,
                                                                                   HostedNumberOrderResource.VerificationTypeEnum verificationType = null,
                                                                                   string verificationDocumentSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateHostedNumberOrderOptions(phoneNumber, smsCapability){  AccountSid = accountSid, FriendlyName = friendlyName, UniqueName = uniqueName, CcEmails = ccEmails, SmsUrl = smsUrl, SmsMethod = smsMethod, SmsFallbackUrl = smsFallbackUrl, SmsFallbackMethod = smsFallbackMethod, StatusCallbackUrl = statusCallbackUrl, StatusCallbackMethod = statusCallbackMethod, SmsApplicationSid = smsApplicationSid, AddressSid = addressSid, Email = email, VerificationType = verificationType, VerificationDocumentSid = verificationDocumentSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -234,11 +234,12 @@ public static bool Delete(DeleteHostedNumberOrderOptions options, ITwilioRestCli
         /// <param name="options"> Delete HostedNumberOrder parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of HostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteHostedNumberOrderOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteHostedNumberOrderOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -258,10 +259,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> A 34 character string that uniquely identifies this HostedNumberOrder. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of HostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteHostedNumberOrderOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -298,10 +299,10 @@ public static HostedNumberOrderResource Fetch(FetchHostedNumberOrderOptions opti
         /// <param name="options"> Fetch HostedNumberOrder parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of HostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<HostedNumberOrderResource> FetchAsync(FetchHostedNumberOrderOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<HostedNumberOrderResource> FetchAsync(FetchHostedNumberOrderOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -322,10 +323,10 @@ public static HostedNumberOrderResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this HostedNumberOrder. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of HostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<HostedNumberOrderResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<HostedNumberOrderResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchHostedNumberOrderOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -360,10 +361,10 @@ public static ResourceSet<HostedNumberOrderResource> Read(ReadHostedNumberOrderO
         /// <param name="options"> Read HostedNumberOrder parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of HostedNumberOrder </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<HostedNumberOrderResource>> ReadAsync(ReadHostedNumberOrderOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<HostedNumberOrderResource>> ReadAsync(ReadHostedNumberOrderOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<HostedNumberOrderResource>.FromJson("items", response.Content);
             return new ResourceSet<HostedNumberOrderResource>(page, options, client);
@@ -412,10 +413,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<HostedNumberOrderRes
                                                                                              string uniqueName = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadHostedNumberOrderOptions(){ Status = status, PhoneNumber = phoneNumber, IncomingPhoneNumberSid = incomingPhoneNumberSid, FriendlyName = friendlyName, UniqueName = uniqueName, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -502,11 +503,12 @@ public static HostedNumberOrderResource Update(UpdateHostedNumberOrderOptions op
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of HostedNumberOrder </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<HostedNumberOrderResource> UpdateAsync(UpdateHostedNumberOrderOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<HostedNumberOrderResource> UpdateAsync(UpdateHostedNumberOrderOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -570,10 +572,10 @@ public static async System.Threading.Tasks.Task<HostedNumberOrderResource> Updat
                                                                               string verificationDocumentSid = null,
                                                                               string extension = null,
                                                                               int? callDelay = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateHostedNumberOrderOptions(pathSid){ FriendlyName = friendlyName, UniqueName = uniqueName, Email = email, CcEmails = ccEmails, Status = status, VerificationCode = verificationCode, VerificationType = verificationType, VerificationDocumentSid = verificationDocumentSid, Extension = extension, CallDelay = callDelay };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Preview/Marketplace/AvailableAddOn/AvailableAddOnExtensionResource.cs b/src/Twilio/Rest/Preview/Marketplace/AvailableAddOn/AvailableAddOnExtensionResource.cs
index 7ac4e3378..05f85093c 100644
--- a/src/Twilio/Rest/Preview/Marketplace/AvailableAddOn/AvailableAddOnExtensionResource.cs
+++ b/src/Twilio/Rest/Preview/Marketplace/AvailableAddOn/AvailableAddOnExtensionResource.cs
@@ -69,10 +69,10 @@ public static AvailableAddOnExtensionResource Fetch(FetchAvailableAddOnExtension
         /// <param name="options"> Fetch AvailableAddOnExtension parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AvailableAddOnExtension </returns>
-        public static async System.Threading.Tasks.Task<AvailableAddOnExtensionResource> FetchAsync(FetchAvailableAddOnExtensionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AvailableAddOnExtensionResource> FetchAsync(FetchAvailableAddOnExtensionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +96,10 @@ public static AvailableAddOnExtensionResource Fetch(
         /// <param name="pathSid"> The SID of the AvailableAddOn Extension resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AvailableAddOnExtension </returns>
-        public static async System.Threading.Tasks.Task<AvailableAddOnExtensionResource> FetchAsync(string pathAvailableAddOnSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AvailableAddOnExtensionResource> FetchAsync(string pathAvailableAddOnSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAvailableAddOnExtensionOptions(pathAvailableAddOnSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -136,10 +136,10 @@ public static ResourceSet<AvailableAddOnExtensionResource> Read(ReadAvailableAdd
         /// <param name="options"> Read AvailableAddOnExtension parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AvailableAddOnExtension </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AvailableAddOnExtensionResource>> ReadAsync(ReadAvailableAddOnExtensionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AvailableAddOnExtensionResource>> ReadAsync(ReadAvailableAddOnExtensionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AvailableAddOnExtensionResource>.FromJson("extensions", response.Content);
             return new ResourceSet<AvailableAddOnExtensionResource>(page, options, client);
@@ -172,10 +172,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AvailableAddOnExtens
                                                                                              string pathAvailableAddOnSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAvailableAddOnExtensionOptions(pathAvailableAddOnSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Preview/Marketplace/AvailableAddOnResource.cs b/src/Twilio/Rest/Preview/Marketplace/AvailableAddOnResource.cs
index fe9a1e3f2..ec9dbeb0a 100644
--- a/src/Twilio/Rest/Preview/Marketplace/AvailableAddOnResource.cs
+++ b/src/Twilio/Rest/Preview/Marketplace/AvailableAddOnResource.cs
@@ -67,10 +67,10 @@ public static AvailableAddOnResource Fetch(FetchAvailableAddOnOptions options, I
         /// <param name="options"> Fetch AvailableAddOn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AvailableAddOn </returns>
-        public static async System.Threading.Tasks.Task<AvailableAddOnResource> FetchAsync(FetchAvailableAddOnOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AvailableAddOnResource> FetchAsync(FetchAvailableAddOnOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static AvailableAddOnResource Fetch(
         /// <param name="pathSid"> The SID of the AvailableAddOn resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AvailableAddOn </returns>
-        public static async System.Threading.Tasks.Task<AvailableAddOnResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AvailableAddOnResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAvailableAddOnOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<AvailableAddOnResource> Read(ReadAvailableAddOnOptions
         /// <param name="options"> Read AvailableAddOn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AvailableAddOn </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AvailableAddOnResource>> ReadAsync(ReadAvailableAddOnOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AvailableAddOnResource>> ReadAsync(ReadAvailableAddOnOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AvailableAddOnResource>.FromJson("available_add_ons", response.Content);
             return new ResourceSet<AvailableAddOnResource>(page, options, client);
@@ -161,10 +161,10 @@ public static ResourceSet<AvailableAddOnResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<AvailableAddOnResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAvailableAddOnOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Preview/Marketplace/InstalledAddOn/InstalledAddOnExtensionResource.cs b/src/Twilio/Rest/Preview/Marketplace/InstalledAddOn/InstalledAddOnExtensionResource.cs
index 72ed970d1..c51b23df3 100644
--- a/src/Twilio/Rest/Preview/Marketplace/InstalledAddOn/InstalledAddOnExtensionResource.cs
+++ b/src/Twilio/Rest/Preview/Marketplace/InstalledAddOn/InstalledAddOnExtensionResource.cs
@@ -69,10 +69,10 @@ public static InstalledAddOnExtensionResource Fetch(FetchInstalledAddOnExtension
         /// <param name="options"> Fetch InstalledAddOnExtension parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOnExtension </returns>
-        public static async System.Threading.Tasks.Task<InstalledAddOnExtensionResource> FetchAsync(FetchInstalledAddOnExtensionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InstalledAddOnExtensionResource> FetchAsync(FetchInstalledAddOnExtensionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +96,10 @@ public static InstalledAddOnExtensionResource Fetch(
         /// <param name="pathSid"> The SID of the InstalledAddOn Extension resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOnExtension </returns>
-        public static async System.Threading.Tasks.Task<InstalledAddOnExtensionResource> FetchAsync(string pathInstalledAddOnSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InstalledAddOnExtensionResource> FetchAsync(string pathInstalledAddOnSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchInstalledAddOnExtensionOptions(pathInstalledAddOnSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -136,10 +136,10 @@ public static ResourceSet<InstalledAddOnExtensionResource> Read(ReadInstalledAdd
         /// <param name="options"> Read InstalledAddOnExtension parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOnExtension </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InstalledAddOnExtensionResource>> ReadAsync(ReadInstalledAddOnExtensionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InstalledAddOnExtensionResource>> ReadAsync(ReadInstalledAddOnExtensionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InstalledAddOnExtensionResource>.FromJson("extensions", response.Content);
             return new ResourceSet<InstalledAddOnExtensionResource>(page, options, client);
@@ -172,10 +172,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<InstalledAddOnExtens
                                                                                              string pathInstalledAddOnSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInstalledAddOnExtensionOptions(pathInstalledAddOnSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -264,11 +264,12 @@ public static InstalledAddOnExtensionResource Update(UpdateInstalledAddOnExtensi
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOnExtension </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<InstalledAddOnExtensionResource> UpdateAsync(UpdateInstalledAddOnExtensionOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InstalledAddOnExtensionResource> UpdateAsync(UpdateInstalledAddOnExtensionOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -300,10 +301,10 @@ public static async System.Threading.Tasks.Task<InstalledAddOnExtensionResource>
                                                                               string pathInstalledAddOnSid,
                                                                               string pathSid,
                                                                               bool? enabled,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateInstalledAddOnExtensionOptions(pathInstalledAddOnSid, pathSid, enabled){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Preview/Marketplace/InstalledAddOnResource.cs b/src/Twilio/Rest/Preview/Marketplace/InstalledAddOnResource.cs
index 0f684a84e..d9ca7c445 100644
--- a/src/Twilio/Rest/Preview/Marketplace/InstalledAddOnResource.cs
+++ b/src/Twilio/Rest/Preview/Marketplace/InstalledAddOnResource.cs
@@ -66,10 +66,10 @@ public static InstalledAddOnResource Create(CreateInstalledAddOnOptions options,
         /// <param name="options"> Create InstalledAddOn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOn </returns>
-        public static async System.Threading.Tasks.Task<InstalledAddOnResource> CreateAsync(CreateInstalledAddOnOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InstalledAddOnResource> CreateAsync(CreateInstalledAddOnOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -105,10 +105,10 @@ public static async System.Threading.Tasks.Task<InstalledAddOnResource> CreateAs
                                                                                   bool? acceptTermsOfService,
                                                                                   object configuration = null,
                                                                                   string uniqueName = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateInstalledAddOnOptions(availableAddOnSid, acceptTermsOfService){  Configuration = configuration, UniqueName = uniqueName };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,11 +149,12 @@ public static bool Delete(DeleteInstalledAddOnOptions options, ITwilioRestClient
         /// <param name="options"> Delete InstalledAddOn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOn </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInstalledAddOnOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInstalledAddOnOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -173,10 +174,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the InstalledAddOn resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOn </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteInstalledAddOnOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static InstalledAddOnResource Fetch(FetchInstalledAddOnOptions options, I
         /// <param name="options"> Fetch InstalledAddOn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOn </returns>
-        public static async System.Threading.Tasks.Task<InstalledAddOnResource> FetchAsync(FetchInstalledAddOnOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InstalledAddOnResource> FetchAsync(FetchInstalledAddOnOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -237,10 +238,10 @@ public static InstalledAddOnResource Fetch(
         /// <param name="pathSid"> The SID of the InstalledAddOn resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOn </returns>
-        public static async System.Threading.Tasks.Task<InstalledAddOnResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InstalledAddOnResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchInstalledAddOnOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -275,10 +276,10 @@ public static ResourceSet<InstalledAddOnResource> Read(ReadInstalledAddOnOptions
         /// <param name="options"> Read InstalledAddOn parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOn </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InstalledAddOnResource>> ReadAsync(ReadInstalledAddOnOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InstalledAddOnResource>> ReadAsync(ReadInstalledAddOnOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InstalledAddOnResource>.FromJson("installed_add_ons", response.Content);
             return new ResourceSet<InstalledAddOnResource>(page, options, client);
@@ -307,10 +308,10 @@ public static ResourceSet<InstalledAddOnResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<InstalledAddOnResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInstalledAddOnOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -397,11 +398,12 @@ public static InstalledAddOnResource Update(UpdateInstalledAddOnOptions options,
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of InstalledAddOn </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<InstalledAddOnResource> UpdateAsync(UpdateInstalledAddOnOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InstalledAddOnResource> UpdateAsync(UpdateInstalledAddOnOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -433,10 +435,10 @@ public static async System.Threading.Tasks.Task<InstalledAddOnResource> UpdateAs
                                                                               string pathSid,
                                                                               object configuration = null,
                                                                               string uniqueName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateInstalledAddOnOptions(pathSid){ Configuration = configuration, UniqueName = uniqueName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Preview/Sync/Service/Document/DocumentPermissionResource.cs b/src/Twilio/Rest/Preview/Sync/Service/Document/DocumentPermissionResource.cs
index 6340637a0..634968a19 100644
--- a/src/Twilio/Rest/Preview/Sync/Service/Document/DocumentPermissionResource.cs
+++ b/src/Twilio/Rest/Preview/Sync/Service/Document/DocumentPermissionResource.cs
@@ -75,11 +75,12 @@ public static bool Delete(DeleteDocumentPermissionOptions options, ITwilioRestCl
         /// <param name="options"> Delete DocumentPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DocumentPermission </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteDocumentPermissionOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteDocumentPermissionOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -103,10 +104,10 @@ public static bool Delete(string pathServiceSid, string pathDocumentSid, string
         /// <param name="pathIdentity"> Arbitrary string identifier representing a user associated with an FPA token, assigned by the developer. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DocumentPermission </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathDocumentSid, string pathIdentity, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathDocumentSid, string pathIdentity, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteDocumentPermissionOptions(pathServiceSid, pathDocumentSid, pathIdentity) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -147,10 +148,10 @@ public static DocumentPermissionResource Fetch(FetchDocumentPermissionOptions op
         /// <param name="options"> Fetch DocumentPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DocumentPermission </returns>
-        public static async System.Threading.Tasks.Task<DocumentPermissionResource> FetchAsync(FetchDocumentPermissionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DocumentPermissionResource> FetchAsync(FetchDocumentPermissionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -177,10 +178,10 @@ public static DocumentPermissionResource Fetch(
         /// <param name="pathIdentity"> Arbitrary string identifier representing a user associated with an FPA token, assigned by the developer. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DocumentPermission </returns>
-        public static async System.Threading.Tasks.Task<DocumentPermissionResource> FetchAsync(string pathServiceSid, string pathDocumentSid, string pathIdentity, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DocumentPermissionResource> FetchAsync(string pathServiceSid, string pathDocumentSid, string pathIdentity, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDocumentPermissionOptions(pathServiceSid, pathDocumentSid, pathIdentity){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -219,10 +220,10 @@ public static ResourceSet<DocumentPermissionResource> Read(ReadDocumentPermissio
         /// <param name="options"> Read DocumentPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DocumentPermission </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DocumentPermissionResource>> ReadAsync(ReadDocumentPermissionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DocumentPermissionResource>> ReadAsync(ReadDocumentPermissionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<DocumentPermissionResource>.FromJson("permissions", response.Content);
             return new ResourceSet<DocumentPermissionResource>(page, options, client);
@@ -259,10 +260,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<DocumentPermissionRe
                                                                                              string pathDocumentSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDocumentPermissionOptions(pathServiceSid, pathDocumentSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -353,11 +354,12 @@ public static DocumentPermissionResource Update(UpdateDocumentPermissionOptions
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DocumentPermission </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<DocumentPermissionResource> UpdateAsync(UpdateDocumentPermissionOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DocumentPermissionResource> UpdateAsync(UpdateDocumentPermissionOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -401,10 +403,10 @@ public static async System.Threading.Tasks.Task<DocumentPermissionResource> Upda
                                                                               bool? read,
                                                                               bool? write,
                                                                               bool? manage,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateDocumentPermissionOptions(pathServiceSid, pathDocumentSid, pathIdentity, read, write, manage){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Preview/Sync/Service/DocumentResource.cs b/src/Twilio/Rest/Preview/Sync/Service/DocumentResource.cs
index b0d94fff7..4f41797b9 100644
--- a/src/Twilio/Rest/Preview/Sync/Service/DocumentResource.cs
+++ b/src/Twilio/Rest/Preview/Sync/Service/DocumentResource.cs
@@ -68,10 +68,10 @@ public static DocumentResource Create(CreateDocumentOptions options, ITwilioRest
         /// <param name="options"> Create Document parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Document </returns>
-        public static async System.Threading.Tasks.Task<DocumentResource> CreateAsync(CreateDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DocumentResource> CreateAsync(CreateDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -103,10 +103,10 @@ public static async System.Threading.Tasks.Task<DocumentResource> CreateAsync(
                                                                                   string pathServiceSid,
                                                                                   string uniqueName = null,
                                                                                   object data = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateDocumentOptions(pathServiceSid){  UniqueName = uniqueName, Data = data };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,11 +149,12 @@ public static bool Delete(DeleteDocumentOptions options, ITwilioRestClient clien
         /// <param name="options"> Delete Document parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Document </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteDocumentOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteDocumentOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -175,10 +176,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Document </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteDocumentOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -217,10 +218,10 @@ public static DocumentResource Fetch(FetchDocumentOptions options, ITwilioRestCl
         /// <param name="options"> Fetch Document parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Document </returns>
-        public static async System.Threading.Tasks.Task<DocumentResource> FetchAsync(FetchDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DocumentResource> FetchAsync(FetchDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -244,10 +245,10 @@ public static DocumentResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Document </returns>
-        public static async System.Threading.Tasks.Task<DocumentResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DocumentResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDocumentOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -284,10 +285,10 @@ public static ResourceSet<DocumentResource> Read(ReadDocumentOptions options, IT
         /// <param name="options"> Read Document parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Document </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DocumentResource>> ReadAsync(ReadDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DocumentResource>> ReadAsync(ReadDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<DocumentResource>.FromJson("documents", response.Content);
             return new ResourceSet<DocumentResource>(page, options, client);
@@ -320,10 +321,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<DocumentResource>> R
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDocumentOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -412,11 +413,12 @@ public static DocumentResource Update(UpdateDocumentOptions options, ITwilioRest
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Document </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<DocumentResource> UpdateAsync(UpdateDocumentOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DocumentResource> UpdateAsync(UpdateDocumentOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -452,10 +454,10 @@ public static async System.Threading.Tasks.Task<DocumentResource> UpdateAsync(
                                                                               string pathSid,
                                                                               object data,
                                                                               string ifMatch = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateDocumentOptions(pathServiceSid, pathSid, data){ IfMatch = ifMatch };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Preview/Sync/Service/SyncList/SyncListItemResource.cs b/src/Twilio/Rest/Preview/Sync/Service/SyncList/SyncListItemResource.cs
index 6cf028acd..4c189dff3 100644
--- a/src/Twilio/Rest/Preview/Sync/Service/SyncList/SyncListItemResource.cs
+++ b/src/Twilio/Rest/Preview/Sync/Service/SyncList/SyncListItemResource.cs
@@ -94,10 +94,10 @@ public static SyncListItemResource Create(CreateSyncListItemOptions options, ITw
         /// <param name="options"> Create SyncListItem parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListItem </returns>
-        public static async System.Threading.Tasks.Task<SyncListItemResource> CreateAsync(CreateSyncListItemOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListItemResource> CreateAsync(CreateSyncListItemOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -129,10 +129,10 @@ public static async System.Threading.Tasks.Task<SyncListItemResource> CreateAsyn
                                                                                   string pathServiceSid,
                                                                                   string pathListSid,
                                                                                   object data,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSyncListItemOptions(pathServiceSid, pathListSid, data){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -177,11 +177,12 @@ public static bool Delete(DeleteSyncListItemOptions options, ITwilioRestClient c
         /// <param name="options"> Delete SyncListItem parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListItem </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncListItemOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncListItemOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -207,10 +208,10 @@ public static bool Delete(string pathServiceSid, string pathListSid, int? pathIn
         /// <param name="ifMatch"> The If-Match HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListItem </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathListSid, int? pathIndex, string ifMatch = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathListSid, int? pathIndex, string ifMatch = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSyncListItemOptions(pathServiceSid, pathListSid, pathIndex)  { IfMatch = ifMatch };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -251,10 +252,10 @@ public static SyncListItemResource Fetch(FetchSyncListItemOptions options, ITwil
         /// <param name="options"> Fetch SyncListItem parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListItem </returns>
-        public static async System.Threading.Tasks.Task<SyncListItemResource> FetchAsync(FetchSyncListItemOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListItemResource> FetchAsync(FetchSyncListItemOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -281,10 +282,10 @@ public static SyncListItemResource Fetch(
         /// <param name="pathIndex">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListItem </returns>
-        public static async System.Threading.Tasks.Task<SyncListItemResource> FetchAsync(string pathServiceSid, string pathListSid, int? pathIndex, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListItemResource> FetchAsync(string pathServiceSid, string pathListSid, int? pathIndex, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSyncListItemOptions(pathServiceSid, pathListSid, pathIndex){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -323,10 +324,10 @@ public static ResourceSet<SyncListItemResource> Read(ReadSyncListItemOptions opt
         /// <param name="options"> Read SyncListItem parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListItem </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SyncListItemResource>> ReadAsync(ReadSyncListItemOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SyncListItemResource>> ReadAsync(ReadSyncListItemOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SyncListItemResource>.FromJson("items", response.Content);
             return new ResourceSet<SyncListItemResource>(page, options, client);
@@ -375,10 +376,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SyncListItemResource
                                                                                              SyncListItemResource.QueryFromBoundTypeEnum bounds = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSyncListItemOptions(pathServiceSid, pathListSid){ Order = order, From = from, Bounds = bounds, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -469,11 +470,12 @@ public static SyncListItemResource Update(UpdateSyncListItemOptions options, ITw
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListItem </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SyncListItemResource> UpdateAsync(UpdateSyncListItemOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListItemResource> UpdateAsync(UpdateSyncListItemOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -513,10 +515,10 @@ public static async System.Threading.Tasks.Task<SyncListItemResource> UpdateAsyn
                                                                               int? pathIndex,
                                                                               object data,
                                                                               string ifMatch = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSyncListItemOptions(pathServiceSid, pathListSid, pathIndex, data){ IfMatch = ifMatch };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Preview/Sync/Service/SyncList/SyncListPermissionResource.cs b/src/Twilio/Rest/Preview/Sync/Service/SyncList/SyncListPermissionResource.cs
index aa8e8da45..721a691c8 100644
--- a/src/Twilio/Rest/Preview/Sync/Service/SyncList/SyncListPermissionResource.cs
+++ b/src/Twilio/Rest/Preview/Sync/Service/SyncList/SyncListPermissionResource.cs
@@ -75,11 +75,12 @@ public static bool Delete(DeleteSyncListPermissionOptions options, ITwilioRestCl
         /// <param name="options"> Delete SyncListPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListPermission </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncListPermissionOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncListPermissionOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -103,10 +104,10 @@ public static bool Delete(string pathServiceSid, string pathListSid, string path
         /// <param name="pathIdentity"> Arbitrary string identifier representing a user associated with an FPA token, assigned by the developer. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListPermission </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathListSid, string pathIdentity, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathListSid, string pathIdentity, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSyncListPermissionOptions(pathServiceSid, pathListSid, pathIdentity) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -147,10 +148,10 @@ public static SyncListPermissionResource Fetch(FetchSyncListPermissionOptions op
         /// <param name="options"> Fetch SyncListPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListPermission </returns>
-        public static async System.Threading.Tasks.Task<SyncListPermissionResource> FetchAsync(FetchSyncListPermissionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListPermissionResource> FetchAsync(FetchSyncListPermissionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -177,10 +178,10 @@ public static SyncListPermissionResource Fetch(
         /// <param name="pathIdentity"> Arbitrary string identifier representing a user associated with an FPA token, assigned by the developer. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListPermission </returns>
-        public static async System.Threading.Tasks.Task<SyncListPermissionResource> FetchAsync(string pathServiceSid, string pathListSid, string pathIdentity, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListPermissionResource> FetchAsync(string pathServiceSid, string pathListSid, string pathIdentity, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSyncListPermissionOptions(pathServiceSid, pathListSid, pathIdentity){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -219,10 +220,10 @@ public static ResourceSet<SyncListPermissionResource> Read(ReadSyncListPermissio
         /// <param name="options"> Read SyncListPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListPermission </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SyncListPermissionResource>> ReadAsync(ReadSyncListPermissionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SyncListPermissionResource>> ReadAsync(ReadSyncListPermissionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SyncListPermissionResource>.FromJson("permissions", response.Content);
             return new ResourceSet<SyncListPermissionResource>(page, options, client);
@@ -259,10 +260,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SyncListPermissionRe
                                                                                              string pathListSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSyncListPermissionOptions(pathServiceSid, pathListSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -353,11 +354,12 @@ public static SyncListPermissionResource Update(UpdateSyncListPermissionOptions
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListPermission </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SyncListPermissionResource> UpdateAsync(UpdateSyncListPermissionOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListPermissionResource> UpdateAsync(UpdateSyncListPermissionOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -401,10 +403,10 @@ public static async System.Threading.Tasks.Task<SyncListPermissionResource> Upda
                                                                               bool? read,
                                                                               bool? write,
                                                                               bool? manage,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSyncListPermissionOptions(pathServiceSid, pathListSid, pathIdentity, read, write, manage){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Preview/Sync/Service/SyncListResource.cs b/src/Twilio/Rest/Preview/Sync/Service/SyncListResource.cs
index fac3598c2..b656343b8 100644
--- a/src/Twilio/Rest/Preview/Sync/Service/SyncListResource.cs
+++ b/src/Twilio/Rest/Preview/Sync/Service/SyncListResource.cs
@@ -68,10 +68,10 @@ public static SyncListResource Create(CreateSyncListOptions options, ITwilioRest
         /// <param name="options"> Create SyncList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncList </returns>
-        public static async System.Threading.Tasks.Task<SyncListResource> CreateAsync(CreateSyncListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListResource> CreateAsync(CreateSyncListOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static SyncListResource Create(
         public static async System.Threading.Tasks.Task<SyncListResource> CreateAsync(
                                                                                   string pathServiceSid,
                                                                                   string uniqueName = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSyncListOptions(pathServiceSid){  UniqueName = uniqueName };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteSyncListOptions options, ITwilioRestClient clien
         /// <param name="options"> Delete SyncList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncList </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncListOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncListOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncList </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSyncListOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static SyncListResource Fetch(FetchSyncListOptions options, ITwilioRestCl
         /// <param name="options"> Fetch SyncList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncList </returns>
-        public static async System.Threading.Tasks.Task<SyncListResource> FetchAsync(FetchSyncListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListResource> FetchAsync(FetchSyncListOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static SyncListResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncList </returns>
-        public static async System.Threading.Tasks.Task<SyncListResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSyncListOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<SyncListResource> Read(ReadSyncListOptions options, IT
         /// <param name="options"> Read SyncList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncList </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SyncListResource>> ReadAsync(ReadSyncListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SyncListResource>> ReadAsync(ReadSyncListOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SyncListResource>.FromJson("lists", response.Content);
             return new ResourceSet<SyncListResource>(page, options, client);
@@ -316,10 +317,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SyncListResource>> R
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSyncListOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Preview/Sync/Service/SyncMap/SyncMapItemResource.cs b/src/Twilio/Rest/Preview/Sync/Service/SyncMap/SyncMapItemResource.cs
index 3ce7baaaf..7782c3511 100644
--- a/src/Twilio/Rest/Preview/Sync/Service/SyncMap/SyncMapItemResource.cs
+++ b/src/Twilio/Rest/Preview/Sync/Service/SyncMap/SyncMapItemResource.cs
@@ -94,10 +94,10 @@ public static SyncMapItemResource Create(CreateSyncMapItemOptions options, ITwil
         /// <param name="options"> Create SyncMapItem parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapItem </returns>
-        public static async System.Threading.Tasks.Task<SyncMapItemResource> CreateAsync(CreateSyncMapItemOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapItemResource> CreateAsync(CreateSyncMapItemOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -133,10 +133,10 @@ public static async System.Threading.Tasks.Task<SyncMapItemResource> CreateAsync
                                                                                   string pathMapSid,
                                                                                   string key,
                                                                                   object data,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSyncMapItemOptions(pathServiceSid, pathMapSid, key, data){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -181,11 +181,12 @@ public static bool Delete(DeleteSyncMapItemOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete SyncMapItem parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapItem </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncMapItemOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncMapItemOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -211,10 +212,10 @@ public static bool Delete(string pathServiceSid, string pathMapSid, string pathK
         /// <param name="ifMatch"> The If-Match HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapItem </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathMapSid, string pathKey, string ifMatch = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathMapSid, string pathKey, string ifMatch = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSyncMapItemOptions(pathServiceSid, pathMapSid, pathKey)  { IfMatch = ifMatch };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -255,10 +256,10 @@ public static SyncMapItemResource Fetch(FetchSyncMapItemOptions options, ITwilio
         /// <param name="options"> Fetch SyncMapItem parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapItem </returns>
-        public static async System.Threading.Tasks.Task<SyncMapItemResource> FetchAsync(FetchSyncMapItemOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapItemResource> FetchAsync(FetchSyncMapItemOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -285,10 +286,10 @@ public static SyncMapItemResource Fetch(
         /// <param name="pathKey">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapItem </returns>
-        public static async System.Threading.Tasks.Task<SyncMapItemResource> FetchAsync(string pathServiceSid, string pathMapSid, string pathKey, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapItemResource> FetchAsync(string pathServiceSid, string pathMapSid, string pathKey, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSyncMapItemOptions(pathServiceSid, pathMapSid, pathKey){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -327,10 +328,10 @@ public static ResourceSet<SyncMapItemResource> Read(ReadSyncMapItemOptions optio
         /// <param name="options"> Read SyncMapItem parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapItem </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SyncMapItemResource>> ReadAsync(ReadSyncMapItemOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SyncMapItemResource>> ReadAsync(ReadSyncMapItemOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SyncMapItemResource>.FromJson("items", response.Content);
             return new ResourceSet<SyncMapItemResource>(page, options, client);
@@ -379,10 +380,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SyncMapItemResource>
                                                                                              SyncMapItemResource.QueryFromBoundTypeEnum bounds = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSyncMapItemOptions(pathServiceSid, pathMapSid){ Order = order, From = from, Bounds = bounds, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -473,11 +474,12 @@ public static SyncMapItemResource Update(UpdateSyncMapItemOptions options, ITwil
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapItem </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SyncMapItemResource> UpdateAsync(UpdateSyncMapItemOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapItemResource> UpdateAsync(UpdateSyncMapItemOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -517,10 +519,10 @@ public static async System.Threading.Tasks.Task<SyncMapItemResource> UpdateAsync
                                                                               string pathKey,
                                                                               object data,
                                                                               string ifMatch = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSyncMapItemOptions(pathServiceSid, pathMapSid, pathKey, data){ IfMatch = ifMatch };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Preview/Sync/Service/SyncMap/SyncMapPermissionResource.cs b/src/Twilio/Rest/Preview/Sync/Service/SyncMap/SyncMapPermissionResource.cs
index 6c62cfa41..b47cd8b37 100644
--- a/src/Twilio/Rest/Preview/Sync/Service/SyncMap/SyncMapPermissionResource.cs
+++ b/src/Twilio/Rest/Preview/Sync/Service/SyncMap/SyncMapPermissionResource.cs
@@ -75,11 +75,12 @@ public static bool Delete(DeleteSyncMapPermissionOptions options, ITwilioRestCli
         /// <param name="options"> Delete SyncMapPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapPermission </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncMapPermissionOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncMapPermissionOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -103,10 +104,10 @@ public static bool Delete(string pathServiceSid, string pathMapSid, string pathI
         /// <param name="pathIdentity"> Arbitrary string identifier representing a user associated with an FPA token, assigned by the developer. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapPermission </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathMapSid, string pathIdentity, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathMapSid, string pathIdentity, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSyncMapPermissionOptions(pathServiceSid, pathMapSid, pathIdentity) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -147,10 +148,10 @@ public static SyncMapPermissionResource Fetch(FetchSyncMapPermissionOptions opti
         /// <param name="options"> Fetch SyncMapPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapPermission </returns>
-        public static async System.Threading.Tasks.Task<SyncMapPermissionResource> FetchAsync(FetchSyncMapPermissionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapPermissionResource> FetchAsync(FetchSyncMapPermissionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -177,10 +178,10 @@ public static SyncMapPermissionResource Fetch(
         /// <param name="pathIdentity"> Arbitrary string identifier representing a user associated with an FPA token, assigned by the developer. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapPermission </returns>
-        public static async System.Threading.Tasks.Task<SyncMapPermissionResource> FetchAsync(string pathServiceSid, string pathMapSid, string pathIdentity, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapPermissionResource> FetchAsync(string pathServiceSid, string pathMapSid, string pathIdentity, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSyncMapPermissionOptions(pathServiceSid, pathMapSid, pathIdentity){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -219,10 +220,10 @@ public static ResourceSet<SyncMapPermissionResource> Read(ReadSyncMapPermissionO
         /// <param name="options"> Read SyncMapPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapPermission </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SyncMapPermissionResource>> ReadAsync(ReadSyncMapPermissionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SyncMapPermissionResource>> ReadAsync(ReadSyncMapPermissionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SyncMapPermissionResource>.FromJson("permissions", response.Content);
             return new ResourceSet<SyncMapPermissionResource>(page, options, client);
@@ -259,10 +260,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SyncMapPermissionRes
                                                                                              string pathMapSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSyncMapPermissionOptions(pathServiceSid, pathMapSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -353,11 +354,12 @@ public static SyncMapPermissionResource Update(UpdateSyncMapPermissionOptions op
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapPermission </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SyncMapPermissionResource> UpdateAsync(UpdateSyncMapPermissionOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapPermissionResource> UpdateAsync(UpdateSyncMapPermissionOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -401,10 +403,10 @@ public static async System.Threading.Tasks.Task<SyncMapPermissionResource> Updat
                                                                               bool? read,
                                                                               bool? write,
                                                                               bool? manage,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSyncMapPermissionOptions(pathServiceSid, pathMapSid, pathIdentity, read, write, manage){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Preview/Sync/Service/SyncMapResource.cs b/src/Twilio/Rest/Preview/Sync/Service/SyncMapResource.cs
index 94b4b8451..9f5cd7aab 100644
--- a/src/Twilio/Rest/Preview/Sync/Service/SyncMapResource.cs
+++ b/src/Twilio/Rest/Preview/Sync/Service/SyncMapResource.cs
@@ -68,10 +68,10 @@ public static SyncMapResource Create(CreateSyncMapOptions options, ITwilioRestCl
         /// <param name="options"> Create SyncMap parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMap </returns>
-        public static async System.Threading.Tasks.Task<SyncMapResource> CreateAsync(CreateSyncMapOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapResource> CreateAsync(CreateSyncMapOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static SyncMapResource Create(
         public static async System.Threading.Tasks.Task<SyncMapResource> CreateAsync(
                                                                                   string pathServiceSid,
                                                                                   string uniqueName = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSyncMapOptions(pathServiceSid){  UniqueName = uniqueName };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteSyncMapOptions options, ITwilioRestClient client
         /// <param name="options"> Delete SyncMap parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMap </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncMapOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncMapOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMap </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSyncMapOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static SyncMapResource Fetch(FetchSyncMapOptions options, ITwilioRestClie
         /// <param name="options"> Fetch SyncMap parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMap </returns>
-        public static async System.Threading.Tasks.Task<SyncMapResource> FetchAsync(FetchSyncMapOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapResource> FetchAsync(FetchSyncMapOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static SyncMapResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMap </returns>
-        public static async System.Threading.Tasks.Task<SyncMapResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSyncMapOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<SyncMapResource> Read(ReadSyncMapOptions options, ITwi
         /// <param name="options"> Read SyncMap parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMap </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SyncMapResource>> ReadAsync(ReadSyncMapOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SyncMapResource>> ReadAsync(ReadSyncMapOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SyncMapResource>.FromJson("maps", response.Content);
             return new ResourceSet<SyncMapResource>(page, options, client);
@@ -316,10 +317,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SyncMapResource>> Re
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSyncMapOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Preview/Sync/ServiceResource.cs b/src/Twilio/Rest/Preview/Sync/ServiceResource.cs
index aa0536ba6..1f236f726 100644
--- a/src/Twilio/Rest/Preview/Sync/ServiceResource.cs
+++ b/src/Twilio/Rest/Preview/Sync/ServiceResource.cs
@@ -66,10 +66,10 @@ public static ServiceResource Create(CreateServiceOptions options, ITwilioRestCl
         /// <param name="options"> Create Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -105,10 +105,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(
                                                                                   Uri webhookUrl = null,
                                                                                   bool? reachabilityWebhooksEnabled = null,
                                                                                   bool? aclEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateServiceOptions(){  FriendlyName = friendlyName, WebhookUrl = webhookUrl, ReachabilityWebhooksEnabled = reachabilityWebhooksEnabled, AclEnabled = aclEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,11 +149,12 @@ public static bool Delete(DeleteServiceOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -173,10 +174,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteServiceOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static ServiceResource Fetch(FetchServiceOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -237,10 +238,10 @@ public static ServiceResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchServiceOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -275,10 +276,10 @@ public static ResourceSet<ServiceResource> Read(ReadServiceOptions options, ITwi
         /// <param name="options"> Read Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ServiceResource>.FromJson("services", response.Content);
             return new ResourceSet<ServiceResource>(page, options, client);
@@ -307,10 +308,10 @@ public static ResourceSet<ServiceResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadServiceOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -397,11 +398,12 @@ public static ServiceResource Update(UpdateServiceOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -441,10 +443,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(
                                                                               string friendlyName = null,
                                                                               bool? reachabilityWebhooksEnabled = null,
                                                                               bool? aclEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateServiceOptions(pathSid){ WebhookUrl = webhookUrl, FriendlyName = friendlyName, ReachabilityWebhooksEnabled = reachabilityWebhooksEnabled, AclEnabled = aclEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Preview/Wireless/CommandResource.cs b/src/Twilio/Rest/Preview/Wireless/CommandResource.cs
index 2d2cc492b..50564c41f 100644
--- a/src/Twilio/Rest/Preview/Wireless/CommandResource.cs
+++ b/src/Twilio/Rest/Preview/Wireless/CommandResource.cs
@@ -66,10 +66,10 @@ public static CommandResource Create(CreateCommandOptions options, ITwilioRestCl
         /// <param name="options"> Create Command parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Command </returns>
-        public static async System.Threading.Tasks.Task<CommandResource> CreateAsync(CreateCommandOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CommandResource> CreateAsync(CreateCommandOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -117,10 +117,10 @@ public static async System.Threading.Tasks.Task<CommandResource> CreateAsync(
                                                                                   Uri callbackUrl = null,
                                                                                   string commandMode = null,
                                                                                   string includeSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCommandOptions(command){  Device = device, Sim = sim, CallbackMethod = callbackMethod, CallbackUrl = callbackUrl, CommandMode = commandMode, IncludeSid = includeSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,10 +157,10 @@ public static CommandResource Fetch(FetchCommandOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Command parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Command </returns>
-        public static async System.Threading.Tasks.Task<CommandResource> FetchAsync(FetchCommandOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CommandResource> FetchAsync(FetchCommandOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -181,10 +181,10 @@ public static CommandResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Command </returns>
-        public static async System.Threading.Tasks.Task<CommandResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CommandResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCommandOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -219,10 +219,10 @@ public static ResourceSet<CommandResource> Read(ReadCommandOptions options, ITwi
         /// <param name="options"> Read Command parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Command </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CommandResource>> ReadAsync(ReadCommandOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CommandResource>> ReadAsync(ReadCommandOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CommandResource>.FromJson("commands", response.Content);
             return new ResourceSet<CommandResource>(page, options, client);
@@ -267,10 +267,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<CommandResource>> Re
                                                                                              string direction = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCommandOptions(){ Device = device, Sim = sim, Status = status, Direction = direction, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Preview/Wireless/RatePlanResource.cs b/src/Twilio/Rest/Preview/Wireless/RatePlanResource.cs
index c0d435f8e..7b2dd5fdf 100644
--- a/src/Twilio/Rest/Preview/Wireless/RatePlanResource.cs
+++ b/src/Twilio/Rest/Preview/Wireless/RatePlanResource.cs
@@ -66,10 +66,10 @@ public static RatePlanResource Create(CreateRatePlanOptions options, ITwilioRest
         /// <param name="options"> Create RatePlan parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RatePlan </returns>
-        public static async System.Threading.Tasks.Task<RatePlanResource> CreateAsync(CreateRatePlanOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RatePlanResource> CreateAsync(CreateRatePlanOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -129,10 +129,10 @@ public static async System.Threading.Tasks.Task<RatePlanResource> CreateAsync(
                                                                                   bool? commandsEnabled = null,
                                                                                   bool? nationalRoamingEnabled = null,
                                                                                   List<string> internationalRoaming = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateRatePlanOptions(){  UniqueName = uniqueName, FriendlyName = friendlyName, DataEnabled = dataEnabled, DataLimit = dataLimit, DataMetering = dataMetering, MessagingEnabled = messagingEnabled, VoiceEnabled = voiceEnabled, CommandsEnabled = commandsEnabled, NationalRoamingEnabled = nationalRoamingEnabled, InternationalRoaming = internationalRoaming };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -173,11 +173,12 @@ public static bool Delete(DeleteRatePlanOptions options, ITwilioRestClient clien
         /// <param name="options"> Delete RatePlan parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RatePlan </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRatePlanOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRatePlanOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -197,10 +198,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RatePlan </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteRatePlanOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -237,10 +238,10 @@ public static RatePlanResource Fetch(FetchRatePlanOptions options, ITwilioRestCl
         /// <param name="options"> Fetch RatePlan parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RatePlan </returns>
-        public static async System.Threading.Tasks.Task<RatePlanResource> FetchAsync(FetchRatePlanOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RatePlanResource> FetchAsync(FetchRatePlanOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -261,10 +262,10 @@ public static RatePlanResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RatePlan </returns>
-        public static async System.Threading.Tasks.Task<RatePlanResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RatePlanResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRatePlanOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -299,10 +300,10 @@ public static ResourceSet<RatePlanResource> Read(ReadRatePlanOptions options, IT
         /// <param name="options"> Read RatePlan parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RatePlan </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RatePlanResource>> ReadAsync(ReadRatePlanOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RatePlanResource>> ReadAsync(ReadRatePlanOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RatePlanResource>.FromJson("rate_plans", response.Content);
             return new ResourceSet<RatePlanResource>(page, options, client);
@@ -331,10 +332,10 @@ public static ResourceSet<RatePlanResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<RatePlanResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRatePlanOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -421,11 +422,12 @@ public static RatePlanResource Update(UpdateRatePlanOptions options, ITwilioRest
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RatePlan </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<RatePlanResource> UpdateAsync(UpdateRatePlanOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RatePlanResource> UpdateAsync(UpdateRatePlanOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -457,10 +459,10 @@ public static async System.Threading.Tasks.Task<RatePlanResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string uniqueName = null,
                                                                               string friendlyName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateRatePlanOptions(pathSid){ UniqueName = uniqueName, FriendlyName = friendlyName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Preview/Wireless/Sim/UsageResource.cs b/src/Twilio/Rest/Preview/Wireless/Sim/UsageResource.cs
index 8d44b19db..82ffa372b 100644
--- a/src/Twilio/Rest/Preview/Wireless/Sim/UsageResource.cs
+++ b/src/Twilio/Rest/Preview/Wireless/Sim/UsageResource.cs
@@ -67,10 +67,10 @@ public static UsageResource Fetch(FetchUsageOptions options, ITwilioRestClient c
         /// <param name="options"> Fetch Usage parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Usage </returns>
-        public static async System.Threading.Tasks.Task<UsageResource> FetchAsync(FetchUsageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UsageResource> FetchAsync(FetchUsageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -97,10 +97,10 @@ public static UsageResource Fetch(
         /// <param name="start">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Usage </returns>
-        public static async System.Threading.Tasks.Task<UsageResource> FetchAsync(string pathSimSid, string end = null, string start = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UsageResource> FetchAsync(string pathSimSid, string end = null, string start = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUsageOptions(pathSimSid){ End = end,Start = start };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Preview/Wireless/SimResource.cs b/src/Twilio/Rest/Preview/Wireless/SimResource.cs
index 3e28af886..7444ca132 100644
--- a/src/Twilio/Rest/Preview/Wireless/SimResource.cs
+++ b/src/Twilio/Rest/Preview/Wireless/SimResource.cs
@@ -67,10 +67,10 @@ public static SimResource Fetch(FetchSimOptions options, ITwilioRestClient clien
         /// <param name="options"> Fetch Sim parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sim </returns>
-        public static async System.Threading.Tasks.Task<SimResource> FetchAsync(FetchSimOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SimResource> FetchAsync(FetchSimOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static SimResource Fetch(
         /// <param name="pathSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sim </returns>
-        public static async System.Threading.Tasks.Task<SimResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SimResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSimOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<SimResource> Read(ReadSimOptions options, ITwilioRestC
         /// <param name="options"> Read Sim parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sim </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SimResource>> ReadAsync(ReadSimOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SimResource>> ReadAsync(ReadSimOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SimResource>.FromJson("sims", response.Content);
             return new ResourceSet<SimResource>(page, options, client);
@@ -181,10 +181,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SimResource>> ReadAs
                                                                                              string simRegistrationCode = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSimOptions(){ Status = status, Iccid = iccid, RatePlan = ratePlan, EId = eId, SimRegistrationCode = simRegistrationCode, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -271,11 +271,12 @@ public static SimResource Update(UpdateSimOptions options, ITwilioRestClient cli
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sim </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SimResource> UpdateAsync(UpdateSimOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SimResource> UpdateAsync(UpdateSimOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -363,10 +364,10 @@ public static async System.Threading.Tasks.Task<SimResource> UpdateAsync(
                                                                               Uri voiceFallbackUrl = null,
                                                                               Twilio.Http.HttpMethod voiceMethod = null,
                                                                               Uri voiceUrl = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSimOptions(pathSid){ UniqueName = uniqueName, CallbackMethod = callbackMethod, CallbackUrl = callbackUrl, FriendlyName = friendlyName, RatePlan = ratePlan, Status = status, CommandsCallbackMethod = commandsCallbackMethod, CommandsCallbackUrl = commandsCallbackUrl, SmsFallbackMethod = smsFallbackMethod, SmsFallbackUrl = smsFallbackUrl, SmsMethod = smsMethod, SmsUrl = smsUrl, VoiceFallbackMethod = voiceFallbackMethod, VoiceFallbackUrl = voiceFallbackUrl, VoiceMethod = voiceMethod, VoiceUrl = voiceUrl };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/PreviewIam/Organizations/AccountResource.cs b/src/Twilio/Rest/PreviewIam/Organizations/AccountResource.cs
index 54b1fc6d2..ffeed230a 100644
--- a/src/Twilio/Rest/PreviewIam/Organizations/AccountResource.cs
+++ b/src/Twilio/Rest/PreviewIam/Organizations/AccountResource.cs
@@ -84,10 +84,10 @@ public static AccountResource Fetch(FetchAccountOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Account parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Account </returns>
-        public static async System.Threading.Tasks.Task<AccountResource> FetchAsync(FetchAccountOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccountResource> FetchAsync(FetchAccountOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -111,10 +111,10 @@ public static AccountResource Fetch(
         /// <param name="pathAccountSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Account </returns>
-        public static async System.Threading.Tasks.Task<AccountResource> FetchAsync(string pathOrganizationSid, string pathAccountSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccountResource> FetchAsync(string pathOrganizationSid, string pathAccountSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAccountOptions(pathOrganizationSid, pathAccountSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -151,10 +151,10 @@ public static ResourceSet<AccountResource> Read(ReadAccountOptions options, ITwi
         /// <param name="options"> Read Account parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Account </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AccountResource>> ReadAsync(ReadAccountOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AccountResource>> ReadAsync(ReadAccountOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AccountResource>.FromJson("content", response.Content);
             return new ResourceSet<AccountResource>(page, options, client);
@@ -187,10 +187,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AccountResource>> Re
                                                                                              string pathOrganizationSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAccountOptions(pathOrganizationSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/PreviewIam/Organizations/RoleAssignmentResource.cs b/src/Twilio/Rest/PreviewIam/Organizations/RoleAssignmentResource.cs
index c334b792e..bad3f06f7 100644
--- a/src/Twilio/Rest/PreviewIam/Organizations/RoleAssignmentResource.cs
+++ b/src/Twilio/Rest/PreviewIam/Organizations/RoleAssignmentResource.cs
@@ -105,10 +105,10 @@ public static RoleAssignmentResource Create(CreateRoleAssignmentOptions options,
         /// <param name="options"> Create RoleAssignment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RoleAssignment </returns>
-        public static async System.Threading.Tasks.Task<RoleAssignmentResource> CreateAsync(CreateRoleAssignmentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoleAssignmentResource> CreateAsync(CreateRoleAssignmentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -136,10 +136,10 @@ public static RoleAssignmentResource Create(
         public static async System.Threading.Tasks.Task<RoleAssignmentResource> CreateAsync(
                                                                                   string pathOrganizationSid,
                                                                                   RoleAssignmentResource.PublicApiCreateRoleAssignmentRequest publicApiCreateRoleAssignmentRequest,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateRoleAssignmentOptions(pathOrganizationSid, publicApiCreateRoleAssignmentRequest){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -182,11 +182,12 @@ public static bool Delete(DeleteRoleAssignmentOptions options, ITwilioRestClient
         /// <param name="options"> Delete RoleAssignment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RoleAssignment </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRoleAssignmentOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRoleAssignmentOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -208,10 +209,10 @@ public static bool Delete(string pathOrganizationSid, string pathRoleAssignmentS
         /// <param name="pathRoleAssignmentSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RoleAssignment </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathOrganizationSid, string pathRoleAssignmentSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathOrganizationSid, string pathRoleAssignmentSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteRoleAssignmentOptions(pathOrganizationSid, pathRoleAssignmentSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -248,10 +249,10 @@ public static ResourceSet<RoleAssignmentResource> Read(ReadRoleAssignmentOptions
         /// <param name="options"> Read RoleAssignment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RoleAssignment </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RoleAssignmentResource>> ReadAsync(ReadRoleAssignmentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RoleAssignmentResource>> ReadAsync(ReadRoleAssignmentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RoleAssignmentResource>.FromJson("content", response.Content);
             return new ResourceSet<RoleAssignmentResource>(page, options, client);
@@ -292,10 +293,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<RoleAssignmentResour
                                                                                              string identity = null,
                                                                                              string scope = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRoleAssignmentOptions(pathOrganizationSid){ PageSize = pageSize, Identity = identity, Scope = scope, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/PreviewIam/Organizations/UserResource.cs b/src/Twilio/Rest/PreviewIam/Organizations/UserResource.cs
index ea4c13f7a..dc2b1e909 100644
--- a/src/Twilio/Rest/PreviewIam/Organizations/UserResource.cs
+++ b/src/Twilio/Rest/PreviewIam/Organizations/UserResource.cs
@@ -269,10 +269,10 @@ public static UserResource Create(CreateUserOptions options, ITwilioRestClient c
         /// <param name="options"> Create User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> CreateAsync(CreateUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> CreateAsync(CreateUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -300,10 +300,10 @@ public static UserResource Create(
         public static async System.Threading.Tasks.Task<UserResource> CreateAsync(
                                                                                   string pathOrganizationSid,
                                                                                   UserResource.ScimUser scimUser,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateUserOptions(pathOrganizationSid, scimUser){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -346,11 +346,12 @@ public static bool Delete(DeleteUserOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteUserOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -372,10 +373,10 @@ public static bool Delete(string pathOrganizationSid, string pathUserSid, ITwili
         /// <param name="pathUserSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathOrganizationSid, string pathUserSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathOrganizationSid, string pathUserSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteUserOptions(pathOrganizationSid, pathUserSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -414,10 +415,10 @@ public static UserResource Fetch(FetchUserOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(FetchUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(FetchUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -441,10 +442,10 @@ public static UserResource Fetch(
         /// <param name="pathUserSid">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(string pathOrganizationSid, string pathUserSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> FetchAsync(string pathOrganizationSid, string pathUserSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchUserOptions(pathOrganizationSid, pathUserSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -481,10 +482,10 @@ public static ResourceSet<UserResource> Read(ReadUserOptions options, ITwilioRes
         /// <param name="options"> Read User parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadAsync(ReadUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadAsync(ReadUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<UserResource>.FromJson("Resources", response.Content);
             return new ResourceSet<UserResource>(page, options, client);
@@ -517,10 +518,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<UserResource>> ReadA
                                                                                              string pathOrganizationSid,
                                                                                              string filter = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUserOptions(pathOrganizationSid){ Filter = filter, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -610,11 +611,12 @@ public static UserResource Update(UpdateUserOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of User </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(UpdateUserOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(UpdateUserOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -650,10 +652,10 @@ public static async System.Threading.Tasks.Task<UserResource> UpdateAsync(
                                                                               string pathUserSid,
                                                                               UserResource.ScimUser scimUser,
                                                                               string ifMatch = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateUserOptions(pathOrganizationSid, pathUserSid, scimUser){ IfMatch = ifMatch };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/PreviewIam/V1/AuthorizeResource.cs b/src/Twilio/Rest/PreviewIam/V1/AuthorizeResource.cs
index 95c78a2f6..8a5c7290a 100644
--- a/src/Twilio/Rest/PreviewIam/V1/AuthorizeResource.cs
+++ b/src/Twilio/Rest/PreviewIam/V1/AuthorizeResource.cs
@@ -65,10 +65,10 @@ public static AuthorizeResource Fetch(FetchAuthorizeOptions options, ITwilioRest
         /// <param name="options"> Fetch Authorize parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Authorize </returns>
-        public static async System.Threading.Tasks.Task<AuthorizeResource> FetchAsync(FetchAuthorizeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthorizeResource> FetchAsync(FetchAuthorizeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetNoAuthRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static AuthorizeResource Fetch(
         /// <param name="state"> An opaque value which can be used to maintain state between the request and callback </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Authorize </returns>
-        public static async System.Threading.Tasks.Task<AuthorizeResource> FetchAsync(string responseType = null, string clientId = null, string redirectUri = null, string scope = null, string state = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AuthorizeResource> FetchAsync(string responseType = null, string clientId = null, string redirectUri = null, string scope = null, string state = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAuthorizeOptions(){ ResponseType = responseType,ClientId = clientId,RedirectUri = redirectUri,Scope = scope,State = state };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/PreviewIam/V1/TokenResource.cs b/src/Twilio/Rest/PreviewIam/V1/TokenResource.cs
index 311407ac9..723666e66 100644
--- a/src/Twilio/Rest/PreviewIam/V1/TokenResource.cs
+++ b/src/Twilio/Rest/PreviewIam/V1/TokenResource.cs
@@ -66,10 +66,10 @@ public static TokenResource Create(CreateTokenOptions options, ITwilioRestClient
         /// <param name="options"> Create Token parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Token </returns>
-        public static async System.Threading.Tasks.Task<TokenResource> CreateAsync(CreateTokenOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TokenResource> CreateAsync(CreateTokenOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetNoAuthRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -121,10 +121,10 @@ public static async System.Threading.Tasks.Task<TokenResource> CreateAsync(
                                                                                   string audience = null,
                                                                                   string refreshToken = null,
                                                                                   string scope = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTokenOptions(grantType, clientId){  ClientSecret = clientSecret, Code = code, RedirectUri = redirectUri, Audience = audience, RefreshToken = refreshToken, Scope = scope };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Pricing/V1/Messaging/CountryResource.cs b/src/Twilio/Rest/Pricing/V1/Messaging/CountryResource.cs
index 610a35179..c7a255c61 100644
--- a/src/Twilio/Rest/Pricing/V1/Messaging/CountryResource.cs
+++ b/src/Twilio/Rest/Pricing/V1/Messaging/CountryResource.cs
@@ -67,10 +67,10 @@ public static CountryResource Fetch(FetchCountryOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Country parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(FetchCountryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(FetchCountryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static CountryResource Fetch(
         /// <param name="pathIsoCountry"> The [ISO country code](http://en.wikipedia.org/wiki/ISO_3166-1_alpha-2) of the pricing information to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(string pathIsoCountry, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(string pathIsoCountry, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCountryOptions(pathIsoCountry){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<CountryResource> Read(ReadCountryOptions options, ITwi
         /// <param name="options"> Read Country parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(ReadCountryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(ReadCountryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CountryResource>.FromJson("countries", response.Content);
             return new ResourceSet<CountryResource>(page, options, client);
@@ -161,10 +161,10 @@ public static ResourceSet<CountryResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCountryOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Pricing/V1/PhoneNumber/CountryResource.cs b/src/Twilio/Rest/Pricing/V1/PhoneNumber/CountryResource.cs
index bde1e053d..36d38837a 100644
--- a/src/Twilio/Rest/Pricing/V1/PhoneNumber/CountryResource.cs
+++ b/src/Twilio/Rest/Pricing/V1/PhoneNumber/CountryResource.cs
@@ -67,10 +67,10 @@ public static CountryResource Fetch(FetchCountryOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Country parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(FetchCountryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(FetchCountryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static CountryResource Fetch(
         /// <param name="pathIsoCountry"> The [ISO country code](http://en.wikipedia.org/wiki/ISO_3166-1_alpha-2) of the pricing information to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(string pathIsoCountry, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(string pathIsoCountry, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCountryOptions(pathIsoCountry){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<CountryResource> Read(ReadCountryOptions options, ITwi
         /// <param name="options"> Read Country parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(ReadCountryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(ReadCountryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CountryResource>.FromJson("countries", response.Content);
             return new ResourceSet<CountryResource>(page, options, client);
@@ -161,10 +161,10 @@ public static ResourceSet<CountryResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCountryOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Pricing/V1/Voice/CountryResource.cs b/src/Twilio/Rest/Pricing/V1/Voice/CountryResource.cs
index dfef858d0..31642db5d 100644
--- a/src/Twilio/Rest/Pricing/V1/Voice/CountryResource.cs
+++ b/src/Twilio/Rest/Pricing/V1/Voice/CountryResource.cs
@@ -67,10 +67,10 @@ public static CountryResource Fetch(FetchCountryOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Country parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(FetchCountryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(FetchCountryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static CountryResource Fetch(
         /// <param name="pathIsoCountry"> The [ISO country code](http://en.wikipedia.org/wiki/ISO_3166-1_alpha-2) of the pricing information to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(string pathIsoCountry, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(string pathIsoCountry, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCountryOptions(pathIsoCountry){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<CountryResource> Read(ReadCountryOptions options, ITwi
         /// <param name="options"> Read Country parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(ReadCountryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(ReadCountryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CountryResource>.FromJson("countries", response.Content);
             return new ResourceSet<CountryResource>(page, options, client);
@@ -161,10 +161,10 @@ public static ResourceSet<CountryResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCountryOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Pricing/V1/Voice/NumberResource.cs b/src/Twilio/Rest/Pricing/V1/Voice/NumberResource.cs
index c2fd2ccdf..c7d867fae 100644
--- a/src/Twilio/Rest/Pricing/V1/Voice/NumberResource.cs
+++ b/src/Twilio/Rest/Pricing/V1/Voice/NumberResource.cs
@@ -67,10 +67,10 @@ public static NumberResource Fetch(FetchNumberOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Number parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Number </returns>
-        public static async System.Threading.Tasks.Task<NumberResource> FetchAsync(FetchNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NumberResource> FetchAsync(FetchNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static NumberResource Fetch(
         /// <param name="pathNumber"> The phone number to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Number </returns>
-        public static async System.Threading.Tasks.Task<NumberResource> FetchAsync(Types.PhoneNumber pathNumber, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NumberResource> FetchAsync(Types.PhoneNumber pathNumber, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchNumberOptions(pathNumber){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Pricing/V2/CountryResource.cs b/src/Twilio/Rest/Pricing/V2/CountryResource.cs
index 20a9b660e..e269d1a81 100644
--- a/src/Twilio/Rest/Pricing/V2/CountryResource.cs
+++ b/src/Twilio/Rest/Pricing/V2/CountryResource.cs
@@ -67,10 +67,10 @@ public static CountryResource Fetch(FetchCountryOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Country parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(FetchCountryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(FetchCountryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static CountryResource Fetch(
         /// <param name="pathIsoCountry"> The [ISO country code](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2) of the origin-based voice pricing information to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(string pathIsoCountry, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(string pathIsoCountry, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCountryOptions(pathIsoCountry){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<CountryResource> Read(ReadCountryOptions options, ITwi
         /// <param name="options"> Read Country parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(ReadCountryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(ReadCountryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CountryResource>.FromJson("countries", response.Content);
             return new ResourceSet<CountryResource>(page, options, client);
@@ -161,10 +161,10 @@ public static ResourceSet<CountryResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCountryOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Pricing/V2/NumberResource.cs b/src/Twilio/Rest/Pricing/V2/NumberResource.cs
index 7830624a3..128a6ede6 100644
--- a/src/Twilio/Rest/Pricing/V2/NumberResource.cs
+++ b/src/Twilio/Rest/Pricing/V2/NumberResource.cs
@@ -67,10 +67,10 @@ public static NumberResource Fetch(FetchNumberOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Number parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Number </returns>
-        public static async System.Threading.Tasks.Task<NumberResource> FetchAsync(FetchNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NumberResource> FetchAsync(FetchNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -94,10 +94,10 @@ public static NumberResource Fetch(
         /// <param name="originationNumber"> The origination phone number, in [E.164](https://www.twilio.com/docs/glossary/what-e164) format, for which to fetch the origin-based voice pricing information. E.164 format consists of a + followed by the country code and subscriber number. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Number </returns>
-        public static async System.Threading.Tasks.Task<NumberResource> FetchAsync(Types.PhoneNumber pathDestinationNumber, Types.PhoneNumber originationNumber = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NumberResource> FetchAsync(Types.PhoneNumber pathDestinationNumber, Types.PhoneNumber originationNumber = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchNumberOptions(pathDestinationNumber){ OriginationNumber = originationNumber };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Pricing/V2/Voice/CountryResource.cs b/src/Twilio/Rest/Pricing/V2/Voice/CountryResource.cs
index 924aaf982..4d4822dd7 100644
--- a/src/Twilio/Rest/Pricing/V2/Voice/CountryResource.cs
+++ b/src/Twilio/Rest/Pricing/V2/Voice/CountryResource.cs
@@ -67,10 +67,10 @@ public static CountryResource Fetch(FetchCountryOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Country parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(FetchCountryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(FetchCountryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static CountryResource Fetch(
         /// <param name="pathIsoCountry"> The [ISO country code](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2) of the origin-based voice pricing information to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(string pathIsoCountry, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(string pathIsoCountry, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCountryOptions(pathIsoCountry){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<CountryResource> Read(ReadCountryOptions options, ITwi
         /// <param name="options"> Read Country parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(ReadCountryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(ReadCountryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CountryResource>.FromJson("countries", response.Content);
             return new ResourceSet<CountryResource>(page, options, client);
@@ -161,10 +161,10 @@ public static ResourceSet<CountryResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCountryOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Pricing/V2/Voice/NumberResource.cs b/src/Twilio/Rest/Pricing/V2/Voice/NumberResource.cs
index 2e520d4c0..2180dc4ef 100644
--- a/src/Twilio/Rest/Pricing/V2/Voice/NumberResource.cs
+++ b/src/Twilio/Rest/Pricing/V2/Voice/NumberResource.cs
@@ -67,10 +67,10 @@ public static NumberResource Fetch(FetchNumberOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Number parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Number </returns>
-        public static async System.Threading.Tasks.Task<NumberResource> FetchAsync(FetchNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NumberResource> FetchAsync(FetchNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -94,10 +94,10 @@ public static NumberResource Fetch(
         /// <param name="originationNumber"> The origination phone number, in [E.164](https://www.twilio.com/docs/glossary/what-e164) format, for which to fetch the origin-based voice pricing information. E.164 format consists of a + followed by the country code and subscriber number. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Number </returns>
-        public static async System.Threading.Tasks.Task<NumberResource> FetchAsync(Types.PhoneNumber pathDestinationNumber, Types.PhoneNumber originationNumber = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NumberResource> FetchAsync(Types.PhoneNumber pathDestinationNumber, Types.PhoneNumber originationNumber = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchNumberOptions(pathDestinationNumber){ OriginationNumber = originationNumber };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Proxy/V1/Service/PhoneNumberResource.cs b/src/Twilio/Rest/Proxy/V1/Service/PhoneNumberResource.cs
index d3974ddc3..6ea8de46b 100644
--- a/src/Twilio/Rest/Proxy/V1/Service/PhoneNumberResource.cs
+++ b/src/Twilio/Rest/Proxy/V1/Service/PhoneNumberResource.cs
@@ -68,10 +68,10 @@ public static PhoneNumberResource Create(CreatePhoneNumberOptions options, ITwil
         /// <param name="options"> Create PhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> CreateAsync(CreatePhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> CreateAsync(CreatePhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -107,10 +107,10 @@ public static async System.Threading.Tasks.Task<PhoneNumberResource> CreateAsync
                                                                                   string sid = null,
                                                                                   Types.PhoneNumber phoneNumber = null,
                                                                                   bool? isReserved = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreatePhoneNumberOptions(pathServiceSid){  Sid = sid, PhoneNumber = phoneNumber, IsReserved = isReserved };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -153,11 +153,12 @@ public static bool Delete(DeletePhoneNumberOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete PhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeletePhoneNumberOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeletePhoneNumberOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -179,10 +180,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the PhoneNumber resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeletePhoneNumberOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -221,10 +222,10 @@ public static PhoneNumberResource Fetch(FetchPhoneNumberOptions options, ITwilio
         /// <param name="options"> Fetch PhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(FetchPhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(FetchPhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -248,10 +249,10 @@ public static PhoneNumberResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the PhoneNumber resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPhoneNumberOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -288,10 +289,10 @@ public static ResourceSet<PhoneNumberResource> Read(ReadPhoneNumberOptions optio
         /// <param name="options"> Read PhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<PhoneNumberResource>> ReadAsync(ReadPhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<PhoneNumberResource>> ReadAsync(ReadPhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<PhoneNumberResource>.FromJson("phone_numbers", response.Content);
             return new ResourceSet<PhoneNumberResource>(page, options, client);
@@ -324,10 +325,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<PhoneNumberResource>
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadPhoneNumberOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -416,11 +417,12 @@ public static PhoneNumberResource Update(UpdatePhoneNumberOptions options, ITwil
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> UpdateAsync(UpdatePhoneNumberOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> UpdateAsync(UpdatePhoneNumberOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -452,10 +454,10 @@ public static async System.Threading.Tasks.Task<PhoneNumberResource> UpdateAsync
                                                                               string pathServiceSid,
                                                                               string pathSid,
                                                                               bool? isReserved = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdatePhoneNumberOptions(pathServiceSid, pathSid){ IsReserved = isReserved };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Proxy/V1/Service/Session/InteractionResource.cs b/src/Twilio/Rest/Proxy/V1/Service/Session/InteractionResource.cs
index f5ddb9f66..ff4d46d8f 100644
--- a/src/Twilio/Rest/Proxy/V1/Service/Session/InteractionResource.cs
+++ b/src/Twilio/Rest/Proxy/V1/Service/Session/InteractionResource.cs
@@ -121,11 +121,12 @@ public static bool Delete(DeleteInteractionOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete Interaction parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Interaction </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInteractionOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteInteractionOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -149,10 +150,10 @@ public static bool Delete(string pathServiceSid, string pathSessionSid, string p
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Interaction resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Interaction </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSessionSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSessionSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteInteractionOptions(pathServiceSid, pathSessionSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -193,10 +194,10 @@ public static InteractionResource Fetch(FetchInteractionOptions options, ITwilio
         /// <param name="options"> Fetch Interaction parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Interaction </returns>
-        public static async System.Threading.Tasks.Task<InteractionResource> FetchAsync(FetchInteractionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InteractionResource> FetchAsync(FetchInteractionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -223,10 +224,10 @@ public static InteractionResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Interaction resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Interaction </returns>
-        public static async System.Threading.Tasks.Task<InteractionResource> FetchAsync(string pathServiceSid, string pathSessionSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<InteractionResource> FetchAsync(string pathServiceSid, string pathSessionSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchInteractionOptions(pathServiceSid, pathSessionSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -265,10 +266,10 @@ public static ResourceSet<InteractionResource> Read(ReadInteractionOptions optio
         /// <param name="options"> Read Interaction parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Interaction </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<InteractionResource>> ReadAsync(ReadInteractionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<InteractionResource>> ReadAsync(ReadInteractionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<InteractionResource>.FromJson("interactions", response.Content);
             return new ResourceSet<InteractionResource>(page, options, client);
@@ -305,10 +306,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<InteractionResource>
                                                                                              string pathSessionSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadInteractionOptions(pathServiceSid, pathSessionSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Proxy/V1/Service/Session/Participant/MessageInteractionResource.cs b/src/Twilio/Rest/Proxy/V1/Service/Session/Participant/MessageInteractionResource.cs
index a22f90f1b..87e2ddfd2 100644
--- a/src/Twilio/Rest/Proxy/V1/Service/Session/Participant/MessageInteractionResource.cs
+++ b/src/Twilio/Rest/Proxy/V1/Service/Session/Participant/MessageInteractionResource.cs
@@ -118,10 +118,10 @@ public static MessageInteractionResource Create(CreateMessageInteractionOptions
         /// <param name="options"> Create MessageInteraction parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of MessageInteraction </returns>
-        public static async System.Threading.Tasks.Task<MessageInteractionResource> CreateAsync(CreateMessageInteractionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageInteractionResource> CreateAsync(CreateMessageInteractionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -161,10 +161,10 @@ public static async System.Threading.Tasks.Task<MessageInteractionResource> Crea
                                                                                   string pathParticipantSid,
                                                                                   string body = null,
                                                                                   List<Uri> mediaUrl = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateMessageInteractionOptions(pathServiceSid, pathSessionSid, pathParticipantSid){  Body = body, MediaUrl = mediaUrl };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -207,10 +207,10 @@ public static MessageInteractionResource Fetch(FetchMessageInteractionOptions op
         /// <param name="options"> Fetch MessageInteraction parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of MessageInteraction </returns>
-        public static async System.Threading.Tasks.Task<MessageInteractionResource> FetchAsync(FetchMessageInteractionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageInteractionResource> FetchAsync(FetchMessageInteractionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +240,10 @@ public static MessageInteractionResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the MessageInteraction resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of MessageInteraction </returns>
-        public static async System.Threading.Tasks.Task<MessageInteractionResource> FetchAsync(string pathServiceSid, string pathSessionSid, string pathParticipantSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessageInteractionResource> FetchAsync(string pathServiceSid, string pathSessionSid, string pathParticipantSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchMessageInteractionOptions(pathServiceSid, pathSessionSid, pathParticipantSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -284,10 +284,10 @@ public static ResourceSet<MessageInteractionResource> Read(ReadMessageInteractio
         /// <param name="options"> Read MessageInteraction parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of MessageInteraction </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MessageInteractionResource>> ReadAsync(ReadMessageInteractionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MessageInteractionResource>> ReadAsync(ReadMessageInteractionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MessageInteractionResource>.FromJson("interactions", response.Content);
             return new ResourceSet<MessageInteractionResource>(page, options, client);
@@ -328,10 +328,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<MessageInteractionRe
                                                                                              string pathParticipantSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMessageInteractionOptions(pathServiceSid, pathSessionSid, pathParticipantSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Proxy/V1/Service/Session/ParticipantResource.cs b/src/Twilio/Rest/Proxy/V1/Service/Session/ParticipantResource.cs
index 3102a63c1..920e2b81f 100644
--- a/src/Twilio/Rest/Proxy/V1/Service/Session/ParticipantResource.cs
+++ b/src/Twilio/Rest/Proxy/V1/Service/Session/ParticipantResource.cs
@@ -70,10 +70,10 @@ public static ParticipantResource Create(CreateParticipantOptions options, ITwil
         /// <param name="options"> Create Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ParticipantResource> CreateAsync(CreateParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> CreateAsync(CreateParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -117,10 +117,10 @@ public static async System.Threading.Tasks.Task<ParticipantResource> CreateAsync
                                                                                   string friendlyName = null,
                                                                                   string proxyIdentifier = null,
                                                                                   string proxyIdentifierSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateParticipantOptions(pathServiceSid, pathSessionSid, identifier){  FriendlyName = friendlyName, ProxyIdentifier = proxyIdentifier, ProxyIdentifierSid = proxyIdentifierSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -165,11 +165,12 @@ public static bool Delete(DeleteParticipantOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteParticipantOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteParticipantOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -193,10 +194,10 @@ public static bool Delete(string pathServiceSid, string pathSessionSid, string p
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Participant resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSessionSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSessionSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteParticipantOptions(pathServiceSid, pathSessionSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -237,10 +238,10 @@ public static ParticipantResource Fetch(FetchParticipantOptions options, ITwilio
         /// <param name="options"> Fetch Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(FetchParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(FetchParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -267,10 +268,10 @@ public static ParticipantResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Participant resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(string pathServiceSid, string pathSessionSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(string pathServiceSid, string pathSessionSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchParticipantOptions(pathServiceSid, pathSessionSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -309,10 +310,10 @@ public static ResourceSet<ParticipantResource> Read(ReadParticipantOptions optio
         /// <param name="options"> Read Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>> ReadAsync(ReadParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>> ReadAsync(ReadParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ParticipantResource>.FromJson("participants", response.Content);
             return new ResourceSet<ParticipantResource>(page, options, client);
@@ -349,10 +350,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>
                                                                                              string pathSessionSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadParticipantOptions(pathServiceSid, pathSessionSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Proxy/V1/Service/SessionResource.cs b/src/Twilio/Rest/Proxy/V1/Service/SessionResource.cs
index 7cb56b5e1..976a11c67 100644
--- a/src/Twilio/Rest/Proxy/V1/Service/SessionResource.cs
+++ b/src/Twilio/Rest/Proxy/V1/Service/SessionResource.cs
@@ -98,10 +98,10 @@ public static SessionResource Create(CreateSessionOptions options, ITwilioRestCl
         /// <param name="options"> Create Session parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Session </returns>
-        public static async System.Threading.Tasks.Task<SessionResource> CreateAsync(CreateSessionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SessionResource> CreateAsync(CreateSessionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -149,10 +149,10 @@ public static async System.Threading.Tasks.Task<SessionResource> CreateAsync(
                                                                                   SessionResource.ModeEnum mode = null,
                                                                                   SessionResource.StatusEnum status = null,
                                                                                   List<object> participants = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSessionOptions(pathServiceSid){  UniqueName = uniqueName, DateExpiry = dateExpiry, Ttl = ttl, Mode = mode, Status = status, Participants = participants };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -195,11 +195,12 @@ public static bool Delete(DeleteSessionOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Session parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Session </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSessionOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSessionOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -221,10 +222,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Session resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Session </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSessionOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -263,10 +264,10 @@ public static SessionResource Fetch(FetchSessionOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Session parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Session </returns>
-        public static async System.Threading.Tasks.Task<SessionResource> FetchAsync(FetchSessionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SessionResource> FetchAsync(FetchSessionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -290,10 +291,10 @@ public static SessionResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Session resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Session </returns>
-        public static async System.Threading.Tasks.Task<SessionResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SessionResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSessionOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -330,10 +331,10 @@ public static ResourceSet<SessionResource> Read(ReadSessionOptions options, ITwi
         /// <param name="options"> Read Session parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Session </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SessionResource>> ReadAsync(ReadSessionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SessionResource>> ReadAsync(ReadSessionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SessionResource>.FromJson("sessions", response.Content);
             return new ResourceSet<SessionResource>(page, options, client);
@@ -366,10 +367,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SessionResource>> Re
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSessionOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -458,11 +459,12 @@ public static SessionResource Update(UpdateSessionOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Session </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SessionResource> UpdateAsync(UpdateSessionOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SessionResource> UpdateAsync(UpdateSessionOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -502,10 +504,10 @@ public static async System.Threading.Tasks.Task<SessionResource> UpdateAsync(
                                                                               DateTime? dateExpiry = null,
                                                                               int? ttl = null,
                                                                               SessionResource.StatusEnum status = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSessionOptions(pathServiceSid, pathSid){ DateExpiry = dateExpiry, Ttl = ttl, Status = status };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Proxy/V1/Service/ShortCodeResource.cs b/src/Twilio/Rest/Proxy/V1/Service/ShortCodeResource.cs
index e1d5ec5d9..a02b09f6a 100644
--- a/src/Twilio/Rest/Proxy/V1/Service/ShortCodeResource.cs
+++ b/src/Twilio/Rest/Proxy/V1/Service/ShortCodeResource.cs
@@ -68,10 +68,10 @@ public static ShortCodeResource Create(CreateShortCodeOptions options, ITwilioRe
         /// <param name="options"> Create ShortCode parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
-        public static async System.Threading.Tasks.Task<ShortCodeResource> CreateAsync(CreateShortCodeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ShortCodeResource> CreateAsync(CreateShortCodeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static ShortCodeResource Create(
         public static async System.Threading.Tasks.Task<ShortCodeResource> CreateAsync(
                                                                                   string pathServiceSid,
                                                                                   string sid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateShortCodeOptions(pathServiceSid, sid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteShortCodeOptions options, ITwilioRestClient clie
         /// <param name="options"> Delete ShortCode parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteShortCodeOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteShortCodeOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the ShortCode resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteShortCodeOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static ShortCodeResource Fetch(FetchShortCodeOptions options, ITwilioRest
         /// <param name="options"> Fetch ShortCode parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
-        public static async System.Threading.Tasks.Task<ShortCodeResource> FetchAsync(FetchShortCodeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ShortCodeResource> FetchAsync(FetchShortCodeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static ShortCodeResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the ShortCode resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
-        public static async System.Threading.Tasks.Task<ShortCodeResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ShortCodeResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchShortCodeOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<ShortCodeResource> Read(ReadShortCodeOptions options,
         /// <param name="options"> Read ShortCode parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ShortCodeResource>> ReadAsync(ReadShortCodeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ShortCodeResource>> ReadAsync(ReadShortCodeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ShortCodeResource>.FromJson("short_codes", response.Content);
             return new ResourceSet<ShortCodeResource>(page, options, client);
@@ -316,10 +317,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ShortCodeResource>>
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadShortCodeOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -408,11 +409,12 @@ public static ShortCodeResource Update(UpdateShortCodeOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ShortCode </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ShortCodeResource> UpdateAsync(UpdateShortCodeOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ShortCodeResource> UpdateAsync(UpdateShortCodeOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -444,10 +446,10 @@ public static async System.Threading.Tasks.Task<ShortCodeResource> UpdateAsync(
                                                                               string pathServiceSid,
                                                                               string pathSid,
                                                                               bool? isReserved = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateShortCodeOptions(pathServiceSid, pathSid){ IsReserved = isReserved };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Proxy/V1/ServiceResource.cs b/src/Twilio/Rest/Proxy/V1/ServiceResource.cs
index 715232318..8af0f157f 100644
--- a/src/Twilio/Rest/Proxy/V1/ServiceResource.cs
+++ b/src/Twilio/Rest/Proxy/V1/ServiceResource.cs
@@ -94,10 +94,10 @@ public static ServiceResource Create(CreateServiceOptions options, ITwilioRestCl
         /// <param name="options"> Create Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -149,10 +149,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(
                                                                                   Uri interceptCallbackUrl = null,
                                                                                   Uri outOfSessionCallbackUrl = null,
                                                                                   string chatInstanceSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateServiceOptions(uniqueName){  DefaultTtl = defaultTtl, CallbackUrl = callbackUrl, GeoMatchLevel = geoMatchLevel, NumberSelectionBehavior = numberSelectionBehavior, InterceptCallbackUrl = interceptCallbackUrl, OutOfSessionCallbackUrl = outOfSessionCallbackUrl, ChatInstanceSid = chatInstanceSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -193,11 +193,12 @@ public static bool Delete(DeleteServiceOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -217,10 +218,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Service resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteServiceOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -257,10 +258,10 @@ public static ServiceResource Fetch(FetchServiceOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -281,10 +282,10 @@ public static ServiceResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Service resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchServiceOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -319,10 +320,10 @@ public static ResourceSet<ServiceResource> Read(ReadServiceOptions options, ITwi
         /// <param name="options"> Read Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ServiceResource>.FromJson("services", response.Content);
             return new ResourceSet<ServiceResource>(page, options, client);
@@ -351,10 +352,10 @@ public static ResourceSet<ServiceResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadServiceOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -441,11 +442,12 @@ public static ServiceResource Update(UpdateServiceOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -501,10 +503,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(
                                                                               Uri interceptCallbackUrl = null,
                                                                               Uri outOfSessionCallbackUrl = null,
                                                                               string chatInstanceSid = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateServiceOptions(pathSid){ UniqueName = uniqueName, DefaultTtl = defaultTtl, CallbackUrl = callbackUrl, GeoMatchLevel = geoMatchLevel, NumberSelectionBehavior = numberSelectionBehavior, InterceptCallbackUrl = interceptCallbackUrl, OutOfSessionCallbackUrl = outOfSessionCallbackUrl, ChatInstanceSid = chatInstanceSid };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Routes/V2/PhoneNumberResource.cs b/src/Twilio/Rest/Routes/V2/PhoneNumberResource.cs
index 0b58e238c..fd7485c0e 100644
--- a/src/Twilio/Rest/Routes/V2/PhoneNumberResource.cs
+++ b/src/Twilio/Rest/Routes/V2/PhoneNumberResource.cs
@@ -67,10 +67,10 @@ public static PhoneNumberResource Fetch(FetchPhoneNumberOptions options, ITwilio
         /// <param name="options"> Fetch PhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(FetchPhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(FetchPhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static PhoneNumberResource Fetch(
         /// <param name="pathPhoneNumber"> The phone number in E.164 format </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(string pathPhoneNumber, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(string pathPhoneNumber, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPhoneNumberOptions(pathPhoneNumber){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -132,11 +132,12 @@ public static PhoneNumberResource Update(UpdatePhoneNumberOptions options, ITwil
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> UpdateAsync(UpdatePhoneNumberOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> UpdateAsync(UpdatePhoneNumberOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -168,10 +169,10 @@ public static async System.Threading.Tasks.Task<PhoneNumberResource> UpdateAsync
                                                                               string pathPhoneNumber,
                                                                               string voiceRegion = null,
                                                                               string friendlyName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdatePhoneNumberOptions(pathPhoneNumber){ VoiceRegion = voiceRegion, FriendlyName = friendlyName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Routes/V2/SipDomainResource.cs b/src/Twilio/Rest/Routes/V2/SipDomainResource.cs
index c6c4331aa..6b761f2c1 100644
--- a/src/Twilio/Rest/Routes/V2/SipDomainResource.cs
+++ b/src/Twilio/Rest/Routes/V2/SipDomainResource.cs
@@ -67,10 +67,10 @@ public static SipDomainResource Fetch(FetchSipDomainOptions options, ITwilioRest
         /// <param name="options"> Fetch SipDomain parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SipDomain </returns>
-        public static async System.Threading.Tasks.Task<SipDomainResource> FetchAsync(FetchSipDomainOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SipDomainResource> FetchAsync(FetchSipDomainOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static SipDomainResource Fetch(
         /// <param name="pathSipDomain">  </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SipDomain </returns>
-        public static async System.Threading.Tasks.Task<SipDomainResource> FetchAsync(string pathSipDomain, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SipDomainResource> FetchAsync(string pathSipDomain, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSipDomainOptions(pathSipDomain){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -132,11 +132,12 @@ public static SipDomainResource Update(UpdateSipDomainOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SipDomain </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SipDomainResource> UpdateAsync(UpdateSipDomainOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SipDomainResource> UpdateAsync(UpdateSipDomainOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -168,10 +169,10 @@ public static async System.Threading.Tasks.Task<SipDomainResource> UpdateAsync(
                                                                               string pathSipDomain,
                                                                               string voiceRegion = null,
                                                                               string friendlyName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSipDomainOptions(pathSipDomain){ VoiceRegion = voiceRegion, FriendlyName = friendlyName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Routes/V2/TrunkResource.cs b/src/Twilio/Rest/Routes/V2/TrunkResource.cs
index 2dad3c67b..6e575ee55 100644
--- a/src/Twilio/Rest/Routes/V2/TrunkResource.cs
+++ b/src/Twilio/Rest/Routes/V2/TrunkResource.cs
@@ -67,10 +67,10 @@ public static TrunkResource Fetch(FetchTrunkOptions options, ITwilioRestClient c
         /// <param name="options"> Fetch Trunk parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trunk </returns>
-        public static async System.Threading.Tasks.Task<TrunkResource> FetchAsync(FetchTrunkOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrunkResource> FetchAsync(FetchTrunkOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static TrunkResource Fetch(
         /// <param name="pathSipTrunkDomain"> The absolute URL of the SIP Trunk </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trunk </returns>
-        public static async System.Threading.Tasks.Task<TrunkResource> FetchAsync(string pathSipTrunkDomain, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrunkResource> FetchAsync(string pathSipTrunkDomain, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTrunkOptions(pathSipTrunkDomain){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -132,11 +132,12 @@ public static TrunkResource Update(UpdateTrunkOptions options, ITwilioRestClient
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trunk </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<TrunkResource> UpdateAsync(UpdateTrunkOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrunkResource> UpdateAsync(UpdateTrunkOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -168,10 +169,10 @@ public static async System.Threading.Tasks.Task<TrunkResource> UpdateAsync(
                                                                               string pathSipTrunkDomain,
                                                                               string voiceRegion = null,
                                                                               string friendlyName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateTrunkOptions(pathSipTrunkDomain){ VoiceRegion = voiceRegion, FriendlyName = friendlyName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Serverless/V1/Service/Asset/AssetVersionResource.cs b/src/Twilio/Rest/Serverless/V1/Service/Asset/AssetVersionResource.cs
index 68826ab4c..5dcc0b6d7 100644
--- a/src/Twilio/Rest/Serverless/V1/Service/Asset/AssetVersionResource.cs
+++ b/src/Twilio/Rest/Serverless/V1/Service/Asset/AssetVersionResource.cs
@@ -85,10 +85,10 @@ public static AssetVersionResource Fetch(FetchAssetVersionOptions options, ITwil
         /// <param name="options"> Fetch AssetVersion parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssetVersion </returns>
-        public static async System.Threading.Tasks.Task<AssetVersionResource> FetchAsync(FetchAssetVersionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssetVersionResource> FetchAsync(FetchAssetVersionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -115,10 +115,10 @@ public static AssetVersionResource Fetch(
         /// <param name="pathSid"> The SID of the Asset Version resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssetVersion </returns>
-        public static async System.Threading.Tasks.Task<AssetVersionResource> FetchAsync(string pathServiceSid, string pathAssetSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssetVersionResource> FetchAsync(string pathServiceSid, string pathAssetSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAssetVersionOptions(pathServiceSid, pathAssetSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,10 +157,10 @@ public static ResourceSet<AssetVersionResource> Read(ReadAssetVersionOptions opt
         /// <param name="options"> Read AssetVersion parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AssetVersion </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AssetVersionResource>> ReadAsync(ReadAssetVersionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AssetVersionResource>> ReadAsync(ReadAssetVersionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AssetVersionResource>.FromJson("asset_versions", response.Content);
             return new ResourceSet<AssetVersionResource>(page, options, client);
@@ -197,10 +197,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AssetVersionResource
                                                                                              string pathAssetSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAssetVersionOptions(pathServiceSid, pathAssetSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Serverless/V1/Service/AssetResource.cs b/src/Twilio/Rest/Serverless/V1/Service/AssetResource.cs
index ecfcc774b..6898e45eb 100644
--- a/src/Twilio/Rest/Serverless/V1/Service/AssetResource.cs
+++ b/src/Twilio/Rest/Serverless/V1/Service/AssetResource.cs
@@ -68,10 +68,10 @@ public static AssetResource Create(CreateAssetOptions options, ITwilioRestClient
         /// <param name="options"> Create Asset parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Asset </returns>
-        public static async System.Threading.Tasks.Task<AssetResource> CreateAsync(CreateAssetOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssetResource> CreateAsync(CreateAssetOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static AssetResource Create(
         public static async System.Threading.Tasks.Task<AssetResource> CreateAsync(
                                                                                   string pathServiceSid,
                                                                                   string friendlyName,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAssetOptions(pathServiceSid, friendlyName){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteAssetOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete Asset parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Asset </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAssetOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteAssetOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The SID that identifies the Asset resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Asset </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteAssetOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static AssetResource Fetch(FetchAssetOptions options, ITwilioRestClient c
         /// <param name="options"> Fetch Asset parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Asset </returns>
-        public static async System.Threading.Tasks.Task<AssetResource> FetchAsync(FetchAssetOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssetResource> FetchAsync(FetchAssetOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static AssetResource Fetch(
         /// <param name="pathSid"> The SID that identifies the Asset resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Asset </returns>
-        public static async System.Threading.Tasks.Task<AssetResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssetResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAssetOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<AssetResource> Read(ReadAssetOptions options, ITwilioR
         /// <param name="options"> Read Asset parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Asset </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<AssetResource>> ReadAsync(ReadAssetOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<AssetResource>> ReadAsync(ReadAssetOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<AssetResource>.FromJson("assets", response.Content);
             return new ResourceSet<AssetResource>(page, options, client);
@@ -316,10 +317,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<AssetResource>> Read
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadAssetOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -408,11 +409,12 @@ public static AssetResource Update(UpdateAssetOptions options, ITwilioRestClient
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Asset </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<AssetResource> UpdateAsync(UpdateAssetOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AssetResource> UpdateAsync(UpdateAssetOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -444,10 +446,10 @@ public static async System.Threading.Tasks.Task<AssetResource> UpdateAsync(
                                                                               string pathServiceSid,
                                                                               string pathSid,
                                                                               string friendlyName,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateAssetOptions(pathServiceSid, pathSid, friendlyName){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Serverless/V1/Service/Build/BuildStatusResource.cs b/src/Twilio/Rest/Serverless/V1/Service/Build/BuildStatusResource.cs
index 09d0d3022..601a2ed08 100644
--- a/src/Twilio/Rest/Serverless/V1/Service/Build/BuildStatusResource.cs
+++ b/src/Twilio/Rest/Serverless/V1/Service/Build/BuildStatusResource.cs
@@ -83,10 +83,10 @@ public static BuildStatusResource Fetch(FetchBuildStatusOptions options, ITwilio
         /// <param name="options"> Fetch BuildStatus parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BuildStatus </returns>
-        public static async System.Threading.Tasks.Task<BuildStatusResource> FetchAsync(FetchBuildStatusOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BuildStatusResource> FetchAsync(FetchBuildStatusOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -110,10 +110,10 @@ public static BuildStatusResource Fetch(
         /// <param name="pathSid"> The SID of the Build resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BuildStatus </returns>
-        public static async System.Threading.Tasks.Task<BuildStatusResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BuildStatusResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchBuildStatusOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Serverless/V1/Service/BuildResource.cs b/src/Twilio/Rest/Serverless/V1/Service/BuildResource.cs
index 52bfa2a50..8d6c6ca51 100644
--- a/src/Twilio/Rest/Serverless/V1/Service/BuildResource.cs
+++ b/src/Twilio/Rest/Serverless/V1/Service/BuildResource.cs
@@ -99,10 +99,10 @@ public static BuildResource Create(CreateBuildOptions options, ITwilioRestClient
         /// <param name="options"> Create Build parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Build </returns>
-        public static async System.Threading.Tasks.Task<BuildResource> CreateAsync(CreateBuildOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BuildResource> CreateAsync(CreateBuildOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -142,10 +142,10 @@ public static async System.Threading.Tasks.Task<BuildResource> CreateAsync(
                                                                                   List<string> functionVersions = null,
                                                                                   string dependencies = null,
                                                                                   string runtime = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateBuildOptions(pathServiceSid){  AssetVersions = assetVersions, FunctionVersions = functionVersions, Dependencies = dependencies, Runtime = runtime };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -188,11 +188,12 @@ public static bool Delete(DeleteBuildOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete Build parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Build </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteBuildOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteBuildOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -214,10 +215,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The SID of the Build resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Build </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteBuildOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -256,10 +257,10 @@ public static BuildResource Fetch(FetchBuildOptions options, ITwilioRestClient c
         /// <param name="options"> Fetch Build parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Build </returns>
-        public static async System.Threading.Tasks.Task<BuildResource> FetchAsync(FetchBuildOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BuildResource> FetchAsync(FetchBuildOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -283,10 +284,10 @@ public static BuildResource Fetch(
         /// <param name="pathSid"> The SID of the Build resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Build </returns>
-        public static async System.Threading.Tasks.Task<BuildResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BuildResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchBuildOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -323,10 +324,10 @@ public static ResourceSet<BuildResource> Read(ReadBuildOptions options, ITwilioR
         /// <param name="options"> Read Build parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Build </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<BuildResource>> ReadAsync(ReadBuildOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<BuildResource>> ReadAsync(ReadBuildOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<BuildResource>.FromJson("builds", response.Content);
             return new ResourceSet<BuildResource>(page, options, client);
@@ -359,10 +360,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<BuildResource>> Read
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadBuildOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Serverless/V1/Service/Environment/DeploymentResource.cs b/src/Twilio/Rest/Serverless/V1/Service/Environment/DeploymentResource.cs
index 644d94ac1..57ce3c354 100644
--- a/src/Twilio/Rest/Serverless/V1/Service/Environment/DeploymentResource.cs
+++ b/src/Twilio/Rest/Serverless/V1/Service/Environment/DeploymentResource.cs
@@ -70,10 +70,10 @@ public static DeploymentResource Create(CreateDeploymentOptions options, ITwilio
         /// <param name="options"> Create Deployment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Deployment </returns>
-        public static async System.Threading.Tasks.Task<DeploymentResource> CreateAsync(CreateDeploymentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeploymentResource> CreateAsync(CreateDeploymentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -109,10 +109,10 @@ public static async System.Threading.Tasks.Task<DeploymentResource> CreateAsync(
                                                                                   string pathEnvironmentSid,
                                                                                   string buildSid = null,
                                                                                   bool? isPlugin = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateDeploymentOptions(pathServiceSid, pathEnvironmentSid){  BuildSid = buildSid, IsPlugin = isPlugin };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -153,10 +153,10 @@ public static DeploymentResource Fetch(FetchDeploymentOptions options, ITwilioRe
         /// <param name="options"> Fetch Deployment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Deployment </returns>
-        public static async System.Threading.Tasks.Task<DeploymentResource> FetchAsync(FetchDeploymentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeploymentResource> FetchAsync(FetchDeploymentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -183,10 +183,10 @@ public static DeploymentResource Fetch(
         /// <param name="pathSid"> The SID that identifies the Deployment resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Deployment </returns>
-        public static async System.Threading.Tasks.Task<DeploymentResource> FetchAsync(string pathServiceSid, string pathEnvironmentSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DeploymentResource> FetchAsync(string pathServiceSid, string pathEnvironmentSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDeploymentOptions(pathServiceSid, pathEnvironmentSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -225,10 +225,10 @@ public static ResourceSet<DeploymentResource> Read(ReadDeploymentOptions options
         /// <param name="options"> Read Deployment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Deployment </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DeploymentResource>> ReadAsync(ReadDeploymentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DeploymentResource>> ReadAsync(ReadDeploymentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<DeploymentResource>.FromJson("deployments", response.Content);
             return new ResourceSet<DeploymentResource>(page, options, client);
@@ -265,10 +265,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<DeploymentResource>>
                                                                                              string pathEnvironmentSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDeploymentOptions(pathServiceSid, pathEnvironmentSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Serverless/V1/Service/Environment/LogResource.cs b/src/Twilio/Rest/Serverless/V1/Service/Environment/LogResource.cs
index de7d2fdc8..0856b4dec 100644
--- a/src/Twilio/Rest/Serverless/V1/Service/Environment/LogResource.cs
+++ b/src/Twilio/Rest/Serverless/V1/Service/Environment/LogResource.cs
@@ -85,10 +85,10 @@ public static LogResource Fetch(FetchLogOptions options, ITwilioRestClient clien
         /// <param name="options"> Fetch Log parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Log </returns>
-        public static async System.Threading.Tasks.Task<LogResource> FetchAsync(FetchLogOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<LogResource> FetchAsync(FetchLogOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -115,10 +115,10 @@ public static LogResource Fetch(
         /// <param name="pathSid"> The SID of the Log resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Log </returns>
-        public static async System.Threading.Tasks.Task<LogResource> FetchAsync(string pathServiceSid, string pathEnvironmentSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<LogResource> FetchAsync(string pathServiceSid, string pathEnvironmentSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchLogOptions(pathServiceSid, pathEnvironmentSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,10 +157,10 @@ public static ResourceSet<LogResource> Read(ReadLogOptions options, ITwilioRestC
         /// <param name="options"> Read Log parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Log </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<LogResource>> ReadAsync(ReadLogOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<LogResource>> ReadAsync(ReadLogOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<LogResource>.FromJson("logs", response.Content);
             return new ResourceSet<LogResource>(page, options, client);
@@ -209,10 +209,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<LogResource>> ReadAs
                                                                                              DateTime? endDate = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadLogOptions(pathServiceSid, pathEnvironmentSid){ FunctionSid = functionSid, StartDate = startDate, EndDate = endDate, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Serverless/V1/Service/Environment/VariableResource.cs b/src/Twilio/Rest/Serverless/V1/Service/Environment/VariableResource.cs
index ca80aad3c..5bf4a4add 100644
--- a/src/Twilio/Rest/Serverless/V1/Service/Environment/VariableResource.cs
+++ b/src/Twilio/Rest/Serverless/V1/Service/Environment/VariableResource.cs
@@ -70,10 +70,10 @@ public static VariableResource Create(CreateVariableOptions options, ITwilioRest
         /// <param name="options"> Create Variable parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Variable </returns>
-        public static async System.Threading.Tasks.Task<VariableResource> CreateAsync(CreateVariableOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<VariableResource> CreateAsync(CreateVariableOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -109,10 +109,10 @@ public static async System.Threading.Tasks.Task<VariableResource> CreateAsync(
                                                                                   string pathEnvironmentSid,
                                                                                   string key,
                                                                                   string value,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateVariableOptions(pathServiceSid, pathEnvironmentSid, key, value){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,11 +157,12 @@ public static bool Delete(DeleteVariableOptions options, ITwilioRestClient clien
         /// <param name="options"> Delete Variable parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Variable </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteVariableOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteVariableOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -185,10 +186,10 @@ public static bool Delete(string pathServiceSid, string pathEnvironmentSid, stri
         /// <param name="pathSid"> The SID of the Variable resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Variable </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathEnvironmentSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathEnvironmentSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteVariableOptions(pathServiceSid, pathEnvironmentSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -229,10 +230,10 @@ public static VariableResource Fetch(FetchVariableOptions options, ITwilioRestCl
         /// <param name="options"> Fetch Variable parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Variable </returns>
-        public static async System.Threading.Tasks.Task<VariableResource> FetchAsync(FetchVariableOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<VariableResource> FetchAsync(FetchVariableOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -259,10 +260,10 @@ public static VariableResource Fetch(
         /// <param name="pathSid"> The SID of the Variable resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Variable </returns>
-        public static async System.Threading.Tasks.Task<VariableResource> FetchAsync(string pathServiceSid, string pathEnvironmentSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<VariableResource> FetchAsync(string pathServiceSid, string pathEnvironmentSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchVariableOptions(pathServiceSid, pathEnvironmentSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<VariableResource> Read(ReadVariableOptions options, IT
         /// <param name="options"> Read Variable parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Variable </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<VariableResource>> ReadAsync(ReadVariableOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<VariableResource>> ReadAsync(ReadVariableOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<VariableResource>.FromJson("variables", response.Content);
             return new ResourceSet<VariableResource>(page, options, client);
@@ -341,10 +342,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<VariableResource>> R
                                                                                              string pathEnvironmentSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadVariableOptions(pathServiceSid, pathEnvironmentSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -435,11 +436,12 @@ public static VariableResource Update(UpdateVariableOptions options, ITwilioRest
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Variable </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<VariableResource> UpdateAsync(UpdateVariableOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<VariableResource> UpdateAsync(UpdateVariableOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -479,10 +481,10 @@ public static async System.Threading.Tasks.Task<VariableResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string key = null,
                                                                               string value = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateVariableOptions(pathServiceSid, pathEnvironmentSid, pathSid){ Key = key, Value = value };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Serverless/V1/Service/EnvironmentResource.cs b/src/Twilio/Rest/Serverless/V1/Service/EnvironmentResource.cs
index 951f4c522..0c2f960b4 100644
--- a/src/Twilio/Rest/Serverless/V1/Service/EnvironmentResource.cs
+++ b/src/Twilio/Rest/Serverless/V1/Service/EnvironmentResource.cs
@@ -68,10 +68,10 @@ public static EnvironmentResource Create(CreateEnvironmentOptions options, ITwil
         /// <param name="options"> Create Environment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Environment </returns>
-        public static async System.Threading.Tasks.Task<EnvironmentResource> CreateAsync(CreateEnvironmentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EnvironmentResource> CreateAsync(CreateEnvironmentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -103,10 +103,10 @@ public static async System.Threading.Tasks.Task<EnvironmentResource> CreateAsync
                                                                                   string pathServiceSid,
                                                                                   string uniqueName,
                                                                                   string domainSuffix = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateEnvironmentOptions(pathServiceSid, uniqueName){  DomainSuffix = domainSuffix };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,11 +149,12 @@ public static bool Delete(DeleteEnvironmentOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete Environment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Environment </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteEnvironmentOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteEnvironmentOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -175,10 +176,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The SID of the Environment resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Environment </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteEnvironmentOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -217,10 +218,10 @@ public static EnvironmentResource Fetch(FetchEnvironmentOptions options, ITwilio
         /// <param name="options"> Fetch Environment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Environment </returns>
-        public static async System.Threading.Tasks.Task<EnvironmentResource> FetchAsync(FetchEnvironmentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EnvironmentResource> FetchAsync(FetchEnvironmentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -244,10 +245,10 @@ public static EnvironmentResource Fetch(
         /// <param name="pathSid"> The SID of the Environment resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Environment </returns>
-        public static async System.Threading.Tasks.Task<EnvironmentResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EnvironmentResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchEnvironmentOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -284,10 +285,10 @@ public static ResourceSet<EnvironmentResource> Read(ReadEnvironmentOptions optio
         /// <param name="options"> Read Environment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Environment </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<EnvironmentResource>> ReadAsync(ReadEnvironmentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<EnvironmentResource>> ReadAsync(ReadEnvironmentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<EnvironmentResource>.FromJson("environments", response.Content);
             return new ResourceSet<EnvironmentResource>(page, options, client);
@@ -320,10 +321,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<EnvironmentResource>
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadEnvironmentOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Serverless/V1/Service/Function/FunctionVersion/FunctionVersionContentResource.cs b/src/Twilio/Rest/Serverless/V1/Service/Function/FunctionVersion/FunctionVersionContentResource.cs
index 601a16610..fa05baca2 100644
--- a/src/Twilio/Rest/Serverless/V1/Service/Function/FunctionVersion/FunctionVersionContentResource.cs
+++ b/src/Twilio/Rest/Serverless/V1/Service/Function/FunctionVersion/FunctionVersionContentResource.cs
@@ -71,10 +71,10 @@ public static FunctionVersionContentResource Fetch(FetchFunctionVersionContentOp
         /// <param name="options"> Fetch FunctionVersionContent parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FunctionVersionContent </returns>
-        public static async System.Threading.Tasks.Task<FunctionVersionContentResource> FetchAsync(FetchFunctionVersionContentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FunctionVersionContentResource> FetchAsync(FetchFunctionVersionContentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static FunctionVersionContentResource Fetch(
         /// <param name="pathSid"> The SID of the Function Version content to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FunctionVersionContent </returns>
-        public static async System.Threading.Tasks.Task<FunctionVersionContentResource> FetchAsync(string pathServiceSid, string pathFunctionSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FunctionVersionContentResource> FetchAsync(string pathServiceSid, string pathFunctionSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchFunctionVersionContentOptions(pathServiceSid, pathFunctionSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Serverless/V1/Service/Function/FunctionVersionResource.cs b/src/Twilio/Rest/Serverless/V1/Service/Function/FunctionVersionResource.cs
index 0b391e294..5230b2ceb 100644
--- a/src/Twilio/Rest/Serverless/V1/Service/Function/FunctionVersionResource.cs
+++ b/src/Twilio/Rest/Serverless/V1/Service/Function/FunctionVersionResource.cs
@@ -85,10 +85,10 @@ public static FunctionVersionResource Fetch(FetchFunctionVersionOptions options,
         /// <param name="options"> Fetch FunctionVersion parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FunctionVersion </returns>
-        public static async System.Threading.Tasks.Task<FunctionVersionResource> FetchAsync(FetchFunctionVersionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FunctionVersionResource> FetchAsync(FetchFunctionVersionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -115,10 +115,10 @@ public static FunctionVersionResource Fetch(
         /// <param name="pathSid"> The SID of the Function Version resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FunctionVersion </returns>
-        public static async System.Threading.Tasks.Task<FunctionVersionResource> FetchAsync(string pathServiceSid, string pathFunctionSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FunctionVersionResource> FetchAsync(string pathServiceSid, string pathFunctionSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchFunctionVersionOptions(pathServiceSid, pathFunctionSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,10 +157,10 @@ public static ResourceSet<FunctionVersionResource> Read(ReadFunctionVersionOptio
         /// <param name="options"> Read FunctionVersion parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FunctionVersion </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<FunctionVersionResource>> ReadAsync(ReadFunctionVersionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<FunctionVersionResource>> ReadAsync(ReadFunctionVersionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<FunctionVersionResource>.FromJson("function_versions", response.Content);
             return new ResourceSet<FunctionVersionResource>(page, options, client);
@@ -197,10 +197,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<FunctionVersionResou
                                                                                              string pathFunctionSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadFunctionVersionOptions(pathServiceSid, pathFunctionSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Serverless/V1/Service/FunctionResource.cs b/src/Twilio/Rest/Serverless/V1/Service/FunctionResource.cs
index 12d93ed13..73f795ce7 100644
--- a/src/Twilio/Rest/Serverless/V1/Service/FunctionResource.cs
+++ b/src/Twilio/Rest/Serverless/V1/Service/FunctionResource.cs
@@ -68,10 +68,10 @@ public static FunctionResource Create(CreateFunctionOptions options, ITwilioRest
         /// <param name="options"> Create Function parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Function </returns>
-        public static async System.Threading.Tasks.Task<FunctionResource> CreateAsync(CreateFunctionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FunctionResource> CreateAsync(CreateFunctionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static FunctionResource Create(
         public static async System.Threading.Tasks.Task<FunctionResource> CreateAsync(
                                                                                   string pathServiceSid,
                                                                                   string friendlyName,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateFunctionOptions(pathServiceSid, friendlyName){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteFunctionOptions options, ITwilioRestClient clien
         /// <param name="options"> Delete Function parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Function </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteFunctionOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteFunctionOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The SID of the Function resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Function </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteFunctionOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static FunctionResource Fetch(FetchFunctionOptions options, ITwilioRestCl
         /// <param name="options"> Fetch Function parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Function </returns>
-        public static async System.Threading.Tasks.Task<FunctionResource> FetchAsync(FetchFunctionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FunctionResource> FetchAsync(FetchFunctionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static FunctionResource Fetch(
         /// <param name="pathSid"> The SID of the Function resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Function </returns>
-        public static async System.Threading.Tasks.Task<FunctionResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FunctionResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchFunctionOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<FunctionResource> Read(ReadFunctionOptions options, IT
         /// <param name="options"> Read Function parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Function </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<FunctionResource>> ReadAsync(ReadFunctionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<FunctionResource>> ReadAsync(ReadFunctionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<FunctionResource>.FromJson("functions", response.Content);
             return new ResourceSet<FunctionResource>(page, options, client);
@@ -316,10 +317,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<FunctionResource>> R
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadFunctionOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -408,11 +409,12 @@ public static FunctionResource Update(UpdateFunctionOptions options, ITwilioRest
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Function </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<FunctionResource> UpdateAsync(UpdateFunctionOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FunctionResource> UpdateAsync(UpdateFunctionOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -444,10 +446,10 @@ public static async System.Threading.Tasks.Task<FunctionResource> UpdateAsync(
                                                                               string pathServiceSid,
                                                                               string pathSid,
                                                                               string friendlyName,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateFunctionOptions(pathServiceSid, pathSid, friendlyName){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Serverless/V1/ServiceResource.cs b/src/Twilio/Rest/Serverless/V1/ServiceResource.cs
index 6caf7e157..4c81c0b70 100644
--- a/src/Twilio/Rest/Serverless/V1/ServiceResource.cs
+++ b/src/Twilio/Rest/Serverless/V1/ServiceResource.cs
@@ -66,10 +66,10 @@ public static ServiceResource Create(CreateServiceOptions options, ITwilioRestCl
         /// <param name="options"> Create Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -105,10 +105,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(
                                                                                   string friendlyName,
                                                                                   bool? includeCredentials = null,
                                                                                   bool? uiEditable = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateServiceOptions(uniqueName, friendlyName){  IncludeCredentials = includeCredentials, UiEditable = uiEditable };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,11 +149,12 @@ public static bool Delete(DeleteServiceOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -173,10 +174,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The `sid` or `unique_name` of the Service resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteServiceOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static ServiceResource Fetch(FetchServiceOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -237,10 +238,10 @@ public static ServiceResource Fetch(
         /// <param name="pathSid"> The `sid` or `unique_name` of the Service resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchServiceOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -275,10 +276,10 @@ public static ResourceSet<ServiceResource> Read(ReadServiceOptions options, ITwi
         /// <param name="options"> Read Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ServiceResource>.FromJson("services", response.Content);
             return new ResourceSet<ServiceResource>(page, options, client);
@@ -307,10 +308,10 @@ public static ResourceSet<ServiceResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadServiceOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -397,11 +398,12 @@ public static ServiceResource Update(UpdateServiceOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -437,10 +439,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(
                                                                               bool? includeCredentials = null,
                                                                               string friendlyName = null,
                                                                               bool? uiEditable = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateServiceOptions(pathSid){ IncludeCredentials = includeCredentials, FriendlyName = friendlyName, UiEditable = uiEditable };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Studio/V1/Flow/Engagement/EngagementContextResource.cs b/src/Twilio/Rest/Studio/V1/Flow/Engagement/EngagementContextResource.cs
index c1f22e98c..15bf95a99 100644
--- a/src/Twilio/Rest/Studio/V1/Flow/Engagement/EngagementContextResource.cs
+++ b/src/Twilio/Rest/Studio/V1/Flow/Engagement/EngagementContextResource.cs
@@ -69,10 +69,10 @@ public static EngagementContextResource Fetch(FetchEngagementContextOptions opti
         /// <param name="options"> Fetch EngagementContext parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EngagementContext </returns>
-        public static async System.Threading.Tasks.Task<EngagementContextResource> FetchAsync(FetchEngagementContextOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EngagementContextResource> FetchAsync(FetchEngagementContextOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +96,10 @@ public static EngagementContextResource Fetch(
         /// <param name="pathEngagementSid"> The SID of the Engagement. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EngagementContext </returns>
-        public static async System.Threading.Tasks.Task<EngagementContextResource> FetchAsync(string pathFlowSid, string pathEngagementSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EngagementContextResource> FetchAsync(string pathFlowSid, string pathEngagementSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchEngagementContextOptions(pathFlowSid, pathEngagementSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Studio/V1/Flow/Engagement/Step/StepContextResource.cs b/src/Twilio/Rest/Studio/V1/Flow/Engagement/Step/StepContextResource.cs
index 297bf2f3a..5faca82c6 100644
--- a/src/Twilio/Rest/Studio/V1/Flow/Engagement/Step/StepContextResource.cs
+++ b/src/Twilio/Rest/Studio/V1/Flow/Engagement/Step/StepContextResource.cs
@@ -71,10 +71,10 @@ public static StepContextResource Fetch(FetchStepContextOptions options, ITwilio
         /// <param name="options"> Fetch StepContext parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of StepContext </returns>
-        public static async System.Threading.Tasks.Task<StepContextResource> FetchAsync(FetchStepContextOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<StepContextResource> FetchAsync(FetchStepContextOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static StepContextResource Fetch(
         /// <param name="pathStepSid"> The SID of the Step to fetch </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of StepContext </returns>
-        public static async System.Threading.Tasks.Task<StepContextResource> FetchAsync(string pathFlowSid, string pathEngagementSid, string pathStepSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<StepContextResource> FetchAsync(string pathFlowSid, string pathEngagementSid, string pathStepSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchStepContextOptions(pathFlowSid, pathEngagementSid, pathStepSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Studio/V1/Flow/Engagement/StepResource.cs b/src/Twilio/Rest/Studio/V1/Flow/Engagement/StepResource.cs
index 6a8e237e7..da4f9a317 100644
--- a/src/Twilio/Rest/Studio/V1/Flow/Engagement/StepResource.cs
+++ b/src/Twilio/Rest/Studio/V1/Flow/Engagement/StepResource.cs
@@ -71,10 +71,10 @@ public static StepResource Fetch(FetchStepOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Step parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Step </returns>
-        public static async System.Threading.Tasks.Task<StepResource> FetchAsync(FetchStepOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<StepResource> FetchAsync(FetchStepOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static StepResource Fetch(
         /// <param name="pathSid"> The SID of the Step resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Step </returns>
-        public static async System.Threading.Tasks.Task<StepResource> FetchAsync(string pathFlowSid, string pathEngagementSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<StepResource> FetchAsync(string pathFlowSid, string pathEngagementSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchStepOptions(pathFlowSid, pathEngagementSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -143,10 +143,10 @@ public static ResourceSet<StepResource> Read(ReadStepOptions options, ITwilioRes
         /// <param name="options"> Read Step parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Step </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<StepResource>> ReadAsync(ReadStepOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<StepResource>> ReadAsync(ReadStepOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<StepResource>.FromJson("steps", response.Content);
             return new ResourceSet<StepResource>(page, options, client);
@@ -183,10 +183,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<StepResource>> ReadA
                                                                                              string pathEngagementSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadStepOptions(pathFlowSid, pathEngagementSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Studio/V1/Flow/EngagementResource.cs b/src/Twilio/Rest/Studio/V1/Flow/EngagementResource.cs
index dc374cf38..bc002826d 100644
--- a/src/Twilio/Rest/Studio/V1/Flow/EngagementResource.cs
+++ b/src/Twilio/Rest/Studio/V1/Flow/EngagementResource.cs
@@ -81,10 +81,10 @@ public static EngagementResource Create(CreateEngagementOptions options, ITwilio
         /// <param name="options"> Create Engagement parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Engagement </returns>
-        public static async System.Threading.Tasks.Task<EngagementResource> CreateAsync(CreateEngagementOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EngagementResource> CreateAsync(CreateEngagementOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -120,10 +120,10 @@ public static async System.Threading.Tasks.Task<EngagementResource> CreateAsync(
                                                                                   Types.PhoneNumber to,
                                                                                   Types.PhoneNumber from,
                                                                                   object parameters = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateEngagementOptions(pathFlowSid, to, from){  Parameters = parameters };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -166,11 +166,12 @@ public static bool Delete(DeleteEngagementOptions options, ITwilioRestClient cli
         /// <param name="options"> Delete Engagement parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Engagement </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteEngagementOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteEngagementOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -192,10 +193,10 @@ public static bool Delete(string pathFlowSid, string pathSid, ITwilioRestClient
         /// <param name="pathSid"> The SID of the Engagement resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Engagement </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathFlowSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathFlowSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteEngagementOptions(pathFlowSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -234,10 +235,10 @@ public static EngagementResource Fetch(FetchEngagementOptions options, ITwilioRe
         /// <param name="options"> Fetch Engagement parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Engagement </returns>
-        public static async System.Threading.Tasks.Task<EngagementResource> FetchAsync(FetchEngagementOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EngagementResource> FetchAsync(FetchEngagementOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -261,10 +262,10 @@ public static EngagementResource Fetch(
         /// <param name="pathSid"> The SID of the Engagement resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Engagement </returns>
-        public static async System.Threading.Tasks.Task<EngagementResource> FetchAsync(string pathFlowSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EngagementResource> FetchAsync(string pathFlowSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchEngagementOptions(pathFlowSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<EngagementResource> Read(ReadEngagementOptions options
         /// <param name="options"> Read Engagement parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Engagement </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<EngagementResource>> ReadAsync(ReadEngagementOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<EngagementResource>> ReadAsync(ReadEngagementOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<EngagementResource>.FromJson("engagements", response.Content);
             return new ResourceSet<EngagementResource>(page, options, client);
@@ -337,10 +338,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<EngagementResource>>
                                                                                              string pathFlowSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadEngagementOptions(pathFlowSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Studio/V1/Flow/Execution/ExecutionContextResource.cs b/src/Twilio/Rest/Studio/V1/Flow/Execution/ExecutionContextResource.cs
index 960052b96..36e6aa73f 100644
--- a/src/Twilio/Rest/Studio/V1/Flow/Execution/ExecutionContextResource.cs
+++ b/src/Twilio/Rest/Studio/V1/Flow/Execution/ExecutionContextResource.cs
@@ -69,10 +69,10 @@ public static ExecutionContextResource Fetch(FetchExecutionContextOptions option
         /// <param name="options"> Fetch ExecutionContext parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExecutionContext </returns>
-        public static async System.Threading.Tasks.Task<ExecutionContextResource> FetchAsync(FetchExecutionContextOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionContextResource> FetchAsync(FetchExecutionContextOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +96,10 @@ public static ExecutionContextResource Fetch(
         /// <param name="pathExecutionSid"> The SID of the Execution context to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExecutionContext </returns>
-        public static async System.Threading.Tasks.Task<ExecutionContextResource> FetchAsync(string pathFlowSid, string pathExecutionSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionContextResource> FetchAsync(string pathFlowSid, string pathExecutionSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchExecutionContextOptions(pathFlowSid, pathExecutionSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Studio/V1/Flow/Execution/ExecutionStep/ExecutionStepContextResource.cs b/src/Twilio/Rest/Studio/V1/Flow/Execution/ExecutionStep/ExecutionStepContextResource.cs
index fe092f6fc..cdfeb0d83 100644
--- a/src/Twilio/Rest/Studio/V1/Flow/Execution/ExecutionStep/ExecutionStepContextResource.cs
+++ b/src/Twilio/Rest/Studio/V1/Flow/Execution/ExecutionStep/ExecutionStepContextResource.cs
@@ -71,10 +71,10 @@ public static ExecutionStepContextResource Fetch(FetchExecutionStepContextOption
         /// <param name="options"> Fetch ExecutionStepContext parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExecutionStepContext </returns>
-        public static async System.Threading.Tasks.Task<ExecutionStepContextResource> FetchAsync(FetchExecutionStepContextOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionStepContextResource> FetchAsync(FetchExecutionStepContextOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static ExecutionStepContextResource Fetch(
         /// <param name="pathStepSid"> The SID of the Step to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExecutionStepContext </returns>
-        public static async System.Threading.Tasks.Task<ExecutionStepContextResource> FetchAsync(string pathFlowSid, string pathExecutionSid, string pathStepSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionStepContextResource> FetchAsync(string pathFlowSid, string pathExecutionSid, string pathStepSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchExecutionStepContextOptions(pathFlowSid, pathExecutionSid, pathStepSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Studio/V1/Flow/Execution/ExecutionStepResource.cs b/src/Twilio/Rest/Studio/V1/Flow/Execution/ExecutionStepResource.cs
index 8e0231b80..01eaaa1b4 100644
--- a/src/Twilio/Rest/Studio/V1/Flow/Execution/ExecutionStepResource.cs
+++ b/src/Twilio/Rest/Studio/V1/Flow/Execution/ExecutionStepResource.cs
@@ -71,10 +71,10 @@ public static ExecutionStepResource Fetch(FetchExecutionStepOptions options, ITw
         /// <param name="options"> Fetch ExecutionStep parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExecutionStep </returns>
-        public static async System.Threading.Tasks.Task<ExecutionStepResource> FetchAsync(FetchExecutionStepOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionStepResource> FetchAsync(FetchExecutionStepOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static ExecutionStepResource Fetch(
         /// <param name="pathSid"> The SID of the ExecutionStep resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExecutionStep </returns>
-        public static async System.Threading.Tasks.Task<ExecutionStepResource> FetchAsync(string pathFlowSid, string pathExecutionSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionStepResource> FetchAsync(string pathFlowSid, string pathExecutionSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchExecutionStepOptions(pathFlowSid, pathExecutionSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -143,10 +143,10 @@ public static ResourceSet<ExecutionStepResource> Read(ReadExecutionStepOptions o
         /// <param name="options"> Read ExecutionStep parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExecutionStep </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ExecutionStepResource>> ReadAsync(ReadExecutionStepOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ExecutionStepResource>> ReadAsync(ReadExecutionStepOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ExecutionStepResource>.FromJson("steps", response.Content);
             return new ResourceSet<ExecutionStepResource>(page, options, client);
@@ -183,10 +183,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ExecutionStepResourc
                                                                                              string pathExecutionSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadExecutionStepOptions(pathFlowSid, pathExecutionSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Studio/V1/Flow/ExecutionResource.cs b/src/Twilio/Rest/Studio/V1/Flow/ExecutionResource.cs
index 1b8bd5328..ef20b57ee 100644
--- a/src/Twilio/Rest/Studio/V1/Flow/ExecutionResource.cs
+++ b/src/Twilio/Rest/Studio/V1/Flow/ExecutionResource.cs
@@ -81,10 +81,10 @@ public static ExecutionResource Create(CreateExecutionOptions options, ITwilioRe
         /// <param name="options"> Create Execution parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Execution </returns>
-        public static async System.Threading.Tasks.Task<ExecutionResource> CreateAsync(CreateExecutionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionResource> CreateAsync(CreateExecutionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -120,10 +120,10 @@ public static async System.Threading.Tasks.Task<ExecutionResource> CreateAsync(
                                                                                   Types.PhoneNumber to,
                                                                                   Types.PhoneNumber from,
                                                                                   object parameters = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateExecutionOptions(pathFlowSid, to, from){  Parameters = parameters };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -166,11 +166,12 @@ public static bool Delete(DeleteExecutionOptions options, ITwilioRestClient clie
         /// <param name="options"> Delete Execution parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Execution </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteExecutionOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteExecutionOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -192,10 +193,10 @@ public static bool Delete(string pathFlowSid, string pathSid, ITwilioRestClient
         /// <param name="pathSid"> The SID of the Execution resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Execution </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathFlowSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathFlowSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteExecutionOptions(pathFlowSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -234,10 +235,10 @@ public static ExecutionResource Fetch(FetchExecutionOptions options, ITwilioRest
         /// <param name="options"> Fetch Execution parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Execution </returns>
-        public static async System.Threading.Tasks.Task<ExecutionResource> FetchAsync(FetchExecutionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionResource> FetchAsync(FetchExecutionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -261,10 +262,10 @@ public static ExecutionResource Fetch(
         /// <param name="pathSid"> The SID of the Execution resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Execution </returns>
-        public static async System.Threading.Tasks.Task<ExecutionResource> FetchAsync(string pathFlowSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionResource> FetchAsync(string pathFlowSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchExecutionOptions(pathFlowSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<ExecutionResource> Read(ReadExecutionOptions options,
         /// <param name="options"> Read Execution parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Execution </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ExecutionResource>> ReadAsync(ReadExecutionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ExecutionResource>> ReadAsync(ReadExecutionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ExecutionResource>.FromJson("executions", response.Content);
             return new ResourceSet<ExecutionResource>(page, options, client);
@@ -345,10 +346,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ExecutionResource>>
                                                                                              DateTime? dateCreatedTo = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadExecutionOptions(pathFlowSid){ DateCreatedFrom = dateCreatedFrom, DateCreatedTo = dateCreatedTo, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -437,11 +438,12 @@ public static ExecutionResource Update(UpdateExecutionOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Execution </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ExecutionResource> UpdateAsync(UpdateExecutionOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionResource> UpdateAsync(UpdateExecutionOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -473,10 +475,10 @@ public static async System.Threading.Tasks.Task<ExecutionResource> UpdateAsync(
                                                                               string pathFlowSid,
                                                                               string pathSid,
                                                                               ExecutionResource.StatusEnum status,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateExecutionOptions(pathFlowSid, pathSid, status){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Studio/V1/FlowResource.cs b/src/Twilio/Rest/Studio/V1/FlowResource.cs
index bfb8b5e09..5b3510a9f 100644
--- a/src/Twilio/Rest/Studio/V1/FlowResource.cs
+++ b/src/Twilio/Rest/Studio/V1/FlowResource.cs
@@ -84,11 +84,12 @@ public static bool Delete(DeleteFlowOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete Flow parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Flow </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteFlowOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteFlowOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -108,10 +109,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the Flow resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Flow </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteFlowOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -148,10 +149,10 @@ public static FlowResource Fetch(FetchFlowOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Flow parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Flow </returns>
-        public static async System.Threading.Tasks.Task<FlowResource> FetchAsync(FetchFlowOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlowResource> FetchAsync(FetchFlowOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -172,10 +173,10 @@ public static FlowResource Fetch(
         /// <param name="pathSid"> The SID of the Flow resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Flow </returns>
-        public static async System.Threading.Tasks.Task<FlowResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlowResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchFlowOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -210,10 +211,10 @@ public static ResourceSet<FlowResource> Read(ReadFlowOptions options, ITwilioRes
         /// <param name="options"> Read Flow parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Flow </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<FlowResource>> ReadAsync(ReadFlowOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<FlowResource>> ReadAsync(ReadFlowOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<FlowResource>.FromJson("flows", response.Content);
             return new ResourceSet<FlowResource>(page, options, client);
@@ -242,10 +243,10 @@ public static ResourceSet<FlowResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<FlowResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadFlowOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Studio/V2/Flow/Execution/ExecutionContextResource.cs b/src/Twilio/Rest/Studio/V2/Flow/Execution/ExecutionContextResource.cs
index 13360590b..76cdaf148 100644
--- a/src/Twilio/Rest/Studio/V2/Flow/Execution/ExecutionContextResource.cs
+++ b/src/Twilio/Rest/Studio/V2/Flow/Execution/ExecutionContextResource.cs
@@ -69,10 +69,10 @@ public static ExecutionContextResource Fetch(FetchExecutionContextOptions option
         /// <param name="options"> Fetch ExecutionContext parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExecutionContext </returns>
-        public static async System.Threading.Tasks.Task<ExecutionContextResource> FetchAsync(FetchExecutionContextOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionContextResource> FetchAsync(FetchExecutionContextOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +96,10 @@ public static ExecutionContextResource Fetch(
         /// <param name="pathExecutionSid"> The SID of the Execution context to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExecutionContext </returns>
-        public static async System.Threading.Tasks.Task<ExecutionContextResource> FetchAsync(string pathFlowSid, string pathExecutionSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionContextResource> FetchAsync(string pathFlowSid, string pathExecutionSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchExecutionContextOptions(pathFlowSid, pathExecutionSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Studio/V2/Flow/Execution/ExecutionStep/ExecutionStepContextResource.cs b/src/Twilio/Rest/Studio/V2/Flow/Execution/ExecutionStep/ExecutionStepContextResource.cs
index db3f27390..42b77e25c 100644
--- a/src/Twilio/Rest/Studio/V2/Flow/Execution/ExecutionStep/ExecutionStepContextResource.cs
+++ b/src/Twilio/Rest/Studio/V2/Flow/Execution/ExecutionStep/ExecutionStepContextResource.cs
@@ -71,10 +71,10 @@ public static ExecutionStepContextResource Fetch(FetchExecutionStepContextOption
         /// <param name="options"> Fetch ExecutionStepContext parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExecutionStepContext </returns>
-        public static async System.Threading.Tasks.Task<ExecutionStepContextResource> FetchAsync(FetchExecutionStepContextOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionStepContextResource> FetchAsync(FetchExecutionStepContextOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static ExecutionStepContextResource Fetch(
         /// <param name="pathStepSid"> The SID of the Step to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExecutionStepContext </returns>
-        public static async System.Threading.Tasks.Task<ExecutionStepContextResource> FetchAsync(string pathFlowSid, string pathExecutionSid, string pathStepSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionStepContextResource> FetchAsync(string pathFlowSid, string pathExecutionSid, string pathStepSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchExecutionStepContextOptions(pathFlowSid, pathExecutionSid, pathStepSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Studio/V2/Flow/Execution/ExecutionStepResource.cs b/src/Twilio/Rest/Studio/V2/Flow/Execution/ExecutionStepResource.cs
index d53c414d1..51995db02 100644
--- a/src/Twilio/Rest/Studio/V2/Flow/Execution/ExecutionStepResource.cs
+++ b/src/Twilio/Rest/Studio/V2/Flow/Execution/ExecutionStepResource.cs
@@ -71,10 +71,10 @@ public static ExecutionStepResource Fetch(FetchExecutionStepOptions options, ITw
         /// <param name="options"> Fetch ExecutionStep parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExecutionStep </returns>
-        public static async System.Threading.Tasks.Task<ExecutionStepResource> FetchAsync(FetchExecutionStepOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionStepResource> FetchAsync(FetchExecutionStepOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static ExecutionStepResource Fetch(
         /// <param name="pathSid"> The SID of the ExecutionStep resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExecutionStep </returns>
-        public static async System.Threading.Tasks.Task<ExecutionStepResource> FetchAsync(string pathFlowSid, string pathExecutionSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionStepResource> FetchAsync(string pathFlowSid, string pathExecutionSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchExecutionStepOptions(pathFlowSid, pathExecutionSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -143,10 +143,10 @@ public static ResourceSet<ExecutionStepResource> Read(ReadExecutionStepOptions o
         /// <param name="options"> Read ExecutionStep parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ExecutionStep </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ExecutionStepResource>> ReadAsync(ReadExecutionStepOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ExecutionStepResource>> ReadAsync(ReadExecutionStepOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ExecutionStepResource>.FromJson("steps", response.Content);
             return new ResourceSet<ExecutionStepResource>(page, options, client);
@@ -183,10 +183,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ExecutionStepResourc
                                                                                              string pathExecutionSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadExecutionStepOptions(pathFlowSid, pathExecutionSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Studio/V2/Flow/ExecutionResource.cs b/src/Twilio/Rest/Studio/V2/Flow/ExecutionResource.cs
index b2a490bef..3bd2a0c61 100644
--- a/src/Twilio/Rest/Studio/V2/Flow/ExecutionResource.cs
+++ b/src/Twilio/Rest/Studio/V2/Flow/ExecutionResource.cs
@@ -81,10 +81,10 @@ public static ExecutionResource Create(CreateExecutionOptions options, ITwilioRe
         /// <param name="options"> Create Execution parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Execution </returns>
-        public static async System.Threading.Tasks.Task<ExecutionResource> CreateAsync(CreateExecutionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionResource> CreateAsync(CreateExecutionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -120,10 +120,10 @@ public static async System.Threading.Tasks.Task<ExecutionResource> CreateAsync(
                                                                                   Types.PhoneNumber to,
                                                                                   Types.PhoneNumber from,
                                                                                   object parameters = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateExecutionOptions(pathFlowSid, to, from){  Parameters = parameters };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -166,11 +166,12 @@ public static bool Delete(DeleteExecutionOptions options, ITwilioRestClient clie
         /// <param name="options"> Delete Execution parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Execution </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteExecutionOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteExecutionOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -192,10 +193,10 @@ public static bool Delete(string pathFlowSid, string pathSid, ITwilioRestClient
         /// <param name="pathSid"> The SID of the Execution resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Execution </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathFlowSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathFlowSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteExecutionOptions(pathFlowSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -234,10 +235,10 @@ public static ExecutionResource Fetch(FetchExecutionOptions options, ITwilioRest
         /// <param name="options"> Fetch Execution parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Execution </returns>
-        public static async System.Threading.Tasks.Task<ExecutionResource> FetchAsync(FetchExecutionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionResource> FetchAsync(FetchExecutionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -261,10 +262,10 @@ public static ExecutionResource Fetch(
         /// <param name="pathSid"> The SID of the Execution resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Execution </returns>
-        public static async System.Threading.Tasks.Task<ExecutionResource> FetchAsync(string pathFlowSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionResource> FetchAsync(string pathFlowSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchExecutionOptions(pathFlowSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<ExecutionResource> Read(ReadExecutionOptions options,
         /// <param name="options"> Read Execution parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Execution </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ExecutionResource>> ReadAsync(ReadExecutionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ExecutionResource>> ReadAsync(ReadExecutionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ExecutionResource>.FromJson("executions", response.Content);
             return new ResourceSet<ExecutionResource>(page, options, client);
@@ -345,10 +346,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ExecutionResource>>
                                                                                              DateTime? dateCreatedTo = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadExecutionOptions(pathFlowSid){ DateCreatedFrom = dateCreatedFrom, DateCreatedTo = dateCreatedTo, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -437,11 +438,12 @@ public static ExecutionResource Update(UpdateExecutionOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Execution </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ExecutionResource> UpdateAsync(UpdateExecutionOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ExecutionResource> UpdateAsync(UpdateExecutionOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -473,10 +475,10 @@ public static async System.Threading.Tasks.Task<ExecutionResource> UpdateAsync(
                                                                               string pathFlowSid,
                                                                               string pathSid,
                                                                               ExecutionResource.StatusEnum status,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateExecutionOptions(pathFlowSid, pathSid, status){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Studio/V2/Flow/FlowRevisionResource.cs b/src/Twilio/Rest/Studio/V2/Flow/FlowRevisionResource.cs
index 14de8b753..953b0aa57 100644
--- a/src/Twilio/Rest/Studio/V2/Flow/FlowRevisionResource.cs
+++ b/src/Twilio/Rest/Studio/V2/Flow/FlowRevisionResource.cs
@@ -82,10 +82,10 @@ public static FlowRevisionResource Fetch(FetchFlowRevisionOptions options, ITwil
         /// <param name="options"> Fetch FlowRevision parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlowRevision </returns>
-        public static async System.Threading.Tasks.Task<FlowRevisionResource> FetchAsync(FetchFlowRevisionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlowRevisionResource> FetchAsync(FetchFlowRevisionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -109,10 +109,10 @@ public static FlowRevisionResource Fetch(
         /// <param name="pathRevision"> Specific Revision number or can be `LatestPublished` and `LatestRevision`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlowRevision </returns>
-        public static async System.Threading.Tasks.Task<FlowRevisionResource> FetchAsync(string pathSid, string pathRevision, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlowRevisionResource> FetchAsync(string pathSid, string pathRevision, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchFlowRevisionOptions(pathSid, pathRevision){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,10 +149,10 @@ public static ResourceSet<FlowRevisionResource> Read(ReadFlowRevisionOptions opt
         /// <param name="options"> Read FlowRevision parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlowRevision </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<FlowRevisionResource>> ReadAsync(ReadFlowRevisionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<FlowRevisionResource>> ReadAsync(ReadFlowRevisionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<FlowRevisionResource>.FromJson("revisions", response.Content);
             return new ResourceSet<FlowRevisionResource>(page, options, client);
@@ -185,10 +185,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<FlowRevisionResource
                                                                                              string pathSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadFlowRevisionOptions(pathSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Studio/V2/Flow/FlowTestUserResource.cs b/src/Twilio/Rest/Studio/V2/Flow/FlowTestUserResource.cs
index a705e28ea..ab293396e 100644
--- a/src/Twilio/Rest/Studio/V2/Flow/FlowTestUserResource.cs
+++ b/src/Twilio/Rest/Studio/V2/Flow/FlowTestUserResource.cs
@@ -67,10 +67,10 @@ public static FlowTestUserResource Fetch(FetchFlowTestUserOptions options, ITwil
         /// <param name="options"> Fetch FlowTestUser parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlowTestUser </returns>
-        public static async System.Threading.Tasks.Task<FlowTestUserResource> FetchAsync(FetchFlowTestUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlowTestUserResource> FetchAsync(FetchFlowTestUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static FlowTestUserResource Fetch(
         /// <param name="pathSid"> Unique identifier of the flow. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlowTestUser </returns>
-        public static async System.Threading.Tasks.Task<FlowTestUserResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlowTestUserResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchFlowTestUserOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -132,11 +132,12 @@ public static FlowTestUserResource Update(UpdateFlowTestUserOptions options, ITw
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlowTestUser </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<FlowTestUserResource> UpdateAsync(UpdateFlowTestUserOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlowTestUserResource> UpdateAsync(UpdateFlowTestUserOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -164,10 +165,10 @@ public static FlowTestUserResource Update(
         public static async System.Threading.Tasks.Task<FlowTestUserResource> UpdateAsync(
                                                                               string pathSid,
                                                                               List<string> testUsers,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateFlowTestUserOptions(pathSid, testUsers){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Studio/V2/FlowResource.cs b/src/Twilio/Rest/Studio/V2/FlowResource.cs
index ad8648173..b53bedc43 100644
--- a/src/Twilio/Rest/Studio/V2/FlowResource.cs
+++ b/src/Twilio/Rest/Studio/V2/FlowResource.cs
@@ -79,10 +79,10 @@ public static FlowResource Create(CreateFlowOptions options, ITwilioRestClient c
         /// <param name="options"> Create Flow parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Flow </returns>
-        public static async System.Threading.Tasks.Task<FlowResource> CreateAsync(CreateFlowOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlowResource> CreateAsync(CreateFlowOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -118,10 +118,10 @@ public static async System.Threading.Tasks.Task<FlowResource> CreateAsync(
                                                                                   FlowResource.StatusEnum status,
                                                                                   object definition,
                                                                                   string commitMessage = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateFlowOptions(friendlyName, status, definition){  CommitMessage = commitMessage };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -162,11 +162,12 @@ public static bool Delete(DeleteFlowOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete Flow parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Flow </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteFlowOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteFlowOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -186,10 +187,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the Flow resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Flow </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteFlowOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -226,10 +227,10 @@ public static FlowResource Fetch(FetchFlowOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Flow parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Flow </returns>
-        public static async System.Threading.Tasks.Task<FlowResource> FetchAsync(FetchFlowOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlowResource> FetchAsync(FetchFlowOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -250,10 +251,10 @@ public static FlowResource Fetch(
         /// <param name="pathSid"> The SID of the Flow resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Flow </returns>
-        public static async System.Threading.Tasks.Task<FlowResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlowResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchFlowOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -288,10 +289,10 @@ public static ResourceSet<FlowResource> Read(ReadFlowOptions options, ITwilioRes
         /// <param name="options"> Read Flow parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Flow </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<FlowResource>> ReadAsync(ReadFlowOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<FlowResource>> ReadAsync(ReadFlowOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<FlowResource>.FromJson("flows", response.Content);
             return new ResourceSet<FlowResource>(page, options, client);
@@ -320,10 +321,10 @@ public static ResourceSet<FlowResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<FlowResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadFlowOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -410,11 +411,12 @@ public static FlowResource Update(UpdateFlowOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Flow </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<FlowResource> UpdateAsync(UpdateFlowOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlowResource> UpdateAsync(UpdateFlowOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -454,10 +456,10 @@ public static async System.Threading.Tasks.Task<FlowResource> UpdateAsync(
                                                                               string friendlyName = null,
                                                                               object definition = null,
                                                                               string commitMessage = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateFlowOptions(pathSid, status){ FriendlyName = friendlyName, Definition = definition, CommitMessage = commitMessage };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Studio/V2/FlowValidateResource.cs b/src/Twilio/Rest/Studio/V2/FlowValidateResource.cs
index 9d547def7..89fbefa77 100644
--- a/src/Twilio/Rest/Studio/V2/FlowValidateResource.cs
+++ b/src/Twilio/Rest/Studio/V2/FlowValidateResource.cs
@@ -78,11 +78,12 @@ public static FlowValidateResource Update(UpdateFlowValidateOptions options, ITw
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of FlowValidate </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<FlowValidateResource> UpdateAsync(UpdateFlowValidateOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FlowValidateResource> UpdateAsync(UpdateFlowValidateOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -118,10 +119,10 @@ public static async System.Threading.Tasks.Task<FlowValidateResource> UpdateAsyn
                                                                               FlowValidateResource.StatusEnum status,
                                                                               object definition,
                                                                               string commitMessage = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateFlowValidateOptions(friendlyName, status, definition){ CommitMessage = commitMessage };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Supersim/V1/EsimProfileResource.cs b/src/Twilio/Rest/Supersim/V1/EsimProfileResource.cs
index 477df9b9b..0a2b1562f 100644
--- a/src/Twilio/Rest/Supersim/V1/EsimProfileResource.cs
+++ b/src/Twilio/Rest/Supersim/V1/EsimProfileResource.cs
@@ -83,10 +83,10 @@ public static EsimProfileResource Create(CreateEsimProfileOptions options, ITwil
         /// <param name="options"> Create EsimProfile parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EsimProfile </returns>
-        public static async System.Threading.Tasks.Task<EsimProfileResource> CreateAsync(CreateEsimProfileOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EsimProfileResource> CreateAsync(CreateEsimProfileOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -122,10 +122,10 @@ public static async System.Threading.Tasks.Task<EsimProfileResource> CreateAsync
                                                                                   Twilio.Http.HttpMethod callbackMethod = null,
                                                                                   bool? generateMatchingId = null,
                                                                                   string eid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateEsimProfileOptions(){  CallbackUrl = callbackUrl, CallbackMethod = callbackMethod, GenerateMatchingId = generateMatchingId, Eid = eid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -162,10 +162,10 @@ public static EsimProfileResource Fetch(FetchEsimProfileOptions options, ITwilio
         /// <param name="options"> Fetch EsimProfile parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EsimProfile </returns>
-        public static async System.Threading.Tasks.Task<EsimProfileResource> FetchAsync(FetchEsimProfileOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EsimProfileResource> FetchAsync(FetchEsimProfileOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -186,10 +186,10 @@ public static EsimProfileResource Fetch(
         /// <param name="pathSid"> The SID of the eSIM Profile resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EsimProfile </returns>
-        public static async System.Threading.Tasks.Task<EsimProfileResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EsimProfileResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchEsimProfileOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -224,10 +224,10 @@ public static ResourceSet<EsimProfileResource> Read(ReadEsimProfileOptions optio
         /// <param name="options"> Read EsimProfile parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EsimProfile </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<EsimProfileResource>> ReadAsync(ReadEsimProfileOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<EsimProfileResource>> ReadAsync(ReadEsimProfileOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<EsimProfileResource>.FromJson("esim_profiles", response.Content);
             return new ResourceSet<EsimProfileResource>(page, options, client);
@@ -268,10 +268,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<EsimProfileResource>
                                                                                              EsimProfileResource.StatusEnum status = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadEsimProfileOptions(){ Eid = eid, SimSid = simSid, Status = status, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Supersim/V1/FleetResource.cs b/src/Twilio/Rest/Supersim/V1/FleetResource.cs
index f469b26cb..52d0bd0bb 100644
--- a/src/Twilio/Rest/Supersim/V1/FleetResource.cs
+++ b/src/Twilio/Rest/Supersim/V1/FleetResource.cs
@@ -78,10 +78,10 @@ public static FleetResource Create(CreateFleetOptions options, ITwilioRestClient
         /// <param name="options"> Create Fleet parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Fleet </returns>
-        public static async System.Threading.Tasks.Task<FleetResource> CreateAsync(CreateFleetOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FleetResource> CreateAsync(CreateFleetOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -137,10 +137,10 @@ public static async System.Threading.Tasks.Task<FleetResource> CreateAsync(
                                                                                   bool? smsCommandsEnabled = null,
                                                                                   Uri smsCommandsUrl = null,
                                                                                   Twilio.Http.HttpMethod smsCommandsMethod = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateFleetOptions(networkAccessProfile){  UniqueName = uniqueName, DataEnabled = dataEnabled, DataLimit = dataLimit, IpCommandsUrl = ipCommandsUrl, IpCommandsMethod = ipCommandsMethod, SmsCommandsEnabled = smsCommandsEnabled, SmsCommandsUrl = smsCommandsUrl, SmsCommandsMethod = smsCommandsMethod };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -177,10 +177,10 @@ public static FleetResource Fetch(FetchFleetOptions options, ITwilioRestClient c
         /// <param name="options"> Fetch Fleet parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Fleet </returns>
-        public static async System.Threading.Tasks.Task<FleetResource> FetchAsync(FetchFleetOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FleetResource> FetchAsync(FetchFleetOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -201,10 +201,10 @@ public static FleetResource Fetch(
         /// <param name="pathSid"> The SID of the Fleet resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Fleet </returns>
-        public static async System.Threading.Tasks.Task<FleetResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FleetResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchFleetOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -239,10 +239,10 @@ public static ResourceSet<FleetResource> Read(ReadFleetOptions options, ITwilioR
         /// <param name="options"> Read Fleet parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Fleet </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<FleetResource>> ReadAsync(ReadFleetOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<FleetResource>> ReadAsync(ReadFleetOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<FleetResource>.FromJson("fleets", response.Content);
             return new ResourceSet<FleetResource>(page, options, client);
@@ -275,10 +275,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<FleetResource>> Read
                                                                                              string networkAccessProfile = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadFleetOptions(){ NetworkAccessProfile = networkAccessProfile, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -365,11 +365,12 @@ public static FleetResource Update(UpdateFleetOptions options, ITwilioRestClient
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Fleet </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<FleetResource> UpdateAsync(UpdateFleetOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FleetResource> UpdateAsync(UpdateFleetOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -421,10 +422,10 @@ public static async System.Threading.Tasks.Task<FleetResource> UpdateAsync(
                                                                               Uri smsCommandsUrl = null,
                                                                               Twilio.Http.HttpMethod smsCommandsMethod = null,
                                                                               int? dataLimit = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateFleetOptions(pathSid){ UniqueName = uniqueName, NetworkAccessProfile = networkAccessProfile, IpCommandsUrl = ipCommandsUrl, IpCommandsMethod = ipCommandsMethod, SmsCommandsUrl = smsCommandsUrl, SmsCommandsMethod = smsCommandsMethod, DataLimit = dataLimit };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Supersim/V1/IpCommandResource.cs b/src/Twilio/Rest/Supersim/V1/IpCommandResource.cs
index 0fb0b6a7f..2b2809c1f 100644
--- a/src/Twilio/Rest/Supersim/V1/IpCommandResource.cs
+++ b/src/Twilio/Rest/Supersim/V1/IpCommandResource.cs
@@ -107,10 +107,10 @@ public static IpCommandResource Create(CreateIpCommandOptions options, ITwilioRe
         /// <param name="options"> Create IpCommand parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpCommand </returns>
-        public static async System.Threading.Tasks.Task<IpCommandResource> CreateAsync(CreateIpCommandOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpCommandResource> CreateAsync(CreateIpCommandOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -154,10 +154,10 @@ public static async System.Threading.Tasks.Task<IpCommandResource> CreateAsync(
                                                                                   IpCommandResource.PayloadTypeEnum payloadType = null,
                                                                                   Uri callbackUrl = null,
                                                                                   Twilio.Http.HttpMethod callbackMethod = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateIpCommandOptions(sim, payload, devicePort){  PayloadType = payloadType, CallbackUrl = callbackUrl, CallbackMethod = callbackMethod };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -194,10 +194,10 @@ public static IpCommandResource Fetch(FetchIpCommandOptions options, ITwilioRest
         /// <param name="options"> Fetch IpCommand parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpCommand </returns>
-        public static async System.Threading.Tasks.Task<IpCommandResource> FetchAsync(FetchIpCommandOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpCommandResource> FetchAsync(FetchIpCommandOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -218,10 +218,10 @@ public static IpCommandResource Fetch(
         /// <param name="pathSid"> The SID of the IP Command resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpCommand </returns>
-        public static async System.Threading.Tasks.Task<IpCommandResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpCommandResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchIpCommandOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -256,10 +256,10 @@ public static ResourceSet<IpCommandResource> Read(ReadIpCommandOptions options,
         /// <param name="options"> Read IpCommand parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpCommand </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<IpCommandResource>> ReadAsync(ReadIpCommandOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<IpCommandResource>> ReadAsync(ReadIpCommandOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<IpCommandResource>.FromJson("ip_commands", response.Content);
             return new ResourceSet<IpCommandResource>(page, options, client);
@@ -304,10 +304,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<IpCommandResource>>
                                                                                              IpCommandResource.DirectionEnum direction = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadIpCommandOptions(){ Sim = sim, SimIccid = simIccid, Status = status, Direction = direction, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Supersim/V1/NetworkAccessProfile/NetworkAccessProfileNetworkResource.cs b/src/Twilio/Rest/Supersim/V1/NetworkAccessProfile/NetworkAccessProfileNetworkResource.cs
index e37a75a19..3474f075d 100644
--- a/src/Twilio/Rest/Supersim/V1/NetworkAccessProfile/NetworkAccessProfileNetworkResource.cs
+++ b/src/Twilio/Rest/Supersim/V1/NetworkAccessProfile/NetworkAccessProfileNetworkResource.cs
@@ -68,10 +68,10 @@ public static NetworkAccessProfileNetworkResource Create(CreateNetworkAccessProf
         /// <param name="options"> Create NetworkAccessProfileNetwork parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of NetworkAccessProfileNetwork </returns>
-        public static async System.Threading.Tasks.Task<NetworkAccessProfileNetworkResource> CreateAsync(CreateNetworkAccessProfileNetworkOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NetworkAccessProfileNetworkResource> CreateAsync(CreateNetworkAccessProfileNetworkOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static NetworkAccessProfileNetworkResource Create(
         public static async System.Threading.Tasks.Task<NetworkAccessProfileNetworkResource> CreateAsync(
                                                                                   string pathNetworkAccessProfileSid,
                                                                                   string network,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateNetworkAccessProfileNetworkOptions(pathNetworkAccessProfileSid, network){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteNetworkAccessProfileNetworkOptions options, ITwi
         /// <param name="options"> Delete NetworkAccessProfileNetwork parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of NetworkAccessProfileNetwork </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteNetworkAccessProfileNetworkOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteNetworkAccessProfileNetworkOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathNetworkAccessProfileSid, string pathSid, IT
         /// <param name="pathSid"> The SID of the Network resource to be removed from the Network Access Profile resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of NetworkAccessProfileNetwork </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathNetworkAccessProfileSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathNetworkAccessProfileSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteNetworkAccessProfileNetworkOptions(pathNetworkAccessProfileSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static NetworkAccessProfileNetworkResource Fetch(FetchNetworkAccessProfil
         /// <param name="options"> Fetch NetworkAccessProfileNetwork parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of NetworkAccessProfileNetwork </returns>
-        public static async System.Threading.Tasks.Task<NetworkAccessProfileNetworkResource> FetchAsync(FetchNetworkAccessProfileNetworkOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NetworkAccessProfileNetworkResource> FetchAsync(FetchNetworkAccessProfileNetworkOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static NetworkAccessProfileNetworkResource Fetch(
         /// <param name="pathSid"> The SID of the Network resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of NetworkAccessProfileNetwork </returns>
-        public static async System.Threading.Tasks.Task<NetworkAccessProfileNetworkResource> FetchAsync(string pathNetworkAccessProfileSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NetworkAccessProfileNetworkResource> FetchAsync(string pathNetworkAccessProfileSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchNetworkAccessProfileNetworkOptions(pathNetworkAccessProfileSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<NetworkAccessProfileNetworkResource> Read(ReadNetworkA
         /// <param name="options"> Read NetworkAccessProfileNetwork parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of NetworkAccessProfileNetwork </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<NetworkAccessProfileNetworkResource>> ReadAsync(ReadNetworkAccessProfileNetworkOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<NetworkAccessProfileNetworkResource>> ReadAsync(ReadNetworkAccessProfileNetworkOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<NetworkAccessProfileNetworkResource>.FromJson("networks", response.Content);
             return new ResourceSet<NetworkAccessProfileNetworkResource>(page, options, client);
@@ -316,10 +317,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<NetworkAccessProfile
                                                                                              string pathNetworkAccessProfileSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadNetworkAccessProfileNetworkOptions(pathNetworkAccessProfileSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Supersim/V1/NetworkAccessProfileResource.cs b/src/Twilio/Rest/Supersim/V1/NetworkAccessProfileResource.cs
index 2efc4072c..6dc2d42c6 100644
--- a/src/Twilio/Rest/Supersim/V1/NetworkAccessProfileResource.cs
+++ b/src/Twilio/Rest/Supersim/V1/NetworkAccessProfileResource.cs
@@ -66,10 +66,10 @@ public static NetworkAccessProfileResource Create(CreateNetworkAccessProfileOpti
         /// <param name="options"> Create NetworkAccessProfile parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of NetworkAccessProfile </returns>
-        public static async System.Threading.Tasks.Task<NetworkAccessProfileResource> CreateAsync(CreateNetworkAccessProfileOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NetworkAccessProfileResource> CreateAsync(CreateNetworkAccessProfileOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -97,10 +97,10 @@ public static NetworkAccessProfileResource Create(
         public static async System.Threading.Tasks.Task<NetworkAccessProfileResource> CreateAsync(
                                                                                   string uniqueName = null,
                                                                                   List<string> networks = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateNetworkAccessProfileOptions(){  UniqueName = uniqueName, Networks = networks };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -137,10 +137,10 @@ public static NetworkAccessProfileResource Fetch(FetchNetworkAccessProfileOption
         /// <param name="options"> Fetch NetworkAccessProfile parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of NetworkAccessProfile </returns>
-        public static async System.Threading.Tasks.Task<NetworkAccessProfileResource> FetchAsync(FetchNetworkAccessProfileOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NetworkAccessProfileResource> FetchAsync(FetchNetworkAccessProfileOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -161,10 +161,10 @@ public static NetworkAccessProfileResource Fetch(
         /// <param name="pathSid"> The SID of the Network Access Profile resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of NetworkAccessProfile </returns>
-        public static async System.Threading.Tasks.Task<NetworkAccessProfileResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NetworkAccessProfileResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchNetworkAccessProfileOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -199,10 +199,10 @@ public static ResourceSet<NetworkAccessProfileResource> Read(ReadNetworkAccessPr
         /// <param name="options"> Read NetworkAccessProfile parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of NetworkAccessProfile </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<NetworkAccessProfileResource>> ReadAsync(ReadNetworkAccessProfileOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<NetworkAccessProfileResource>> ReadAsync(ReadNetworkAccessProfileOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<NetworkAccessProfileResource>.FromJson("network_access_profiles", response.Content);
             return new ResourceSet<NetworkAccessProfileResource>(page, options, client);
@@ -231,10 +231,10 @@ public static ResourceSet<NetworkAccessProfileResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<NetworkAccessProfileResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadNetworkAccessProfileOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -321,11 +321,12 @@ public static NetworkAccessProfileResource Update(UpdateNetworkAccessProfileOpti
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of NetworkAccessProfile </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<NetworkAccessProfileResource> UpdateAsync(UpdateNetworkAccessProfileOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NetworkAccessProfileResource> UpdateAsync(UpdateNetworkAccessProfileOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -353,10 +354,10 @@ public static NetworkAccessProfileResource Update(
         public static async System.Threading.Tasks.Task<NetworkAccessProfileResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string uniqueName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateNetworkAccessProfileOptions(pathSid){ UniqueName = uniqueName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Supersim/V1/NetworkResource.cs b/src/Twilio/Rest/Supersim/V1/NetworkResource.cs
index 63343664a..f29cc09a1 100644
--- a/src/Twilio/Rest/Supersim/V1/NetworkResource.cs
+++ b/src/Twilio/Rest/Supersim/V1/NetworkResource.cs
@@ -67,10 +67,10 @@ public static NetworkResource Fetch(FetchNetworkOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Network parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Network </returns>
-        public static async System.Threading.Tasks.Task<NetworkResource> FetchAsync(FetchNetworkOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NetworkResource> FetchAsync(FetchNetworkOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static NetworkResource Fetch(
         /// <param name="pathSid"> The SID of the Network resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Network </returns>
-        public static async System.Threading.Tasks.Task<NetworkResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NetworkResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchNetworkOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<NetworkResource> Read(ReadNetworkOptions options, ITwi
         /// <param name="options"> Read Network parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Network </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<NetworkResource>> ReadAsync(ReadNetworkOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<NetworkResource>> ReadAsync(ReadNetworkOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<NetworkResource>.FromJson("networks", response.Content);
             return new ResourceSet<NetworkResource>(page, options, client);
@@ -173,10 +173,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<NetworkResource>> Re
                                                                                              string mnc = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadNetworkOptions(){ IsoCountry = isoCountry, Mcc = mcc, Mnc = mnc, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Supersim/V1/SettingsUpdateResource.cs b/src/Twilio/Rest/Supersim/V1/SettingsUpdateResource.cs
index 3bbcee46e..613ce3121 100644
--- a/src/Twilio/Rest/Supersim/V1/SettingsUpdateResource.cs
+++ b/src/Twilio/Rest/Supersim/V1/SettingsUpdateResource.cs
@@ -80,10 +80,10 @@ public static ResourceSet<SettingsUpdateResource> Read(ReadSettingsUpdateOptions
         /// <param name="options"> Read SettingsUpdate parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SettingsUpdate </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SettingsUpdateResource>> ReadAsync(ReadSettingsUpdateOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SettingsUpdateResource>> ReadAsync(ReadSettingsUpdateOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SettingsUpdateResource>.FromJson("settings_updates", response.Content);
             return new ResourceSet<SettingsUpdateResource>(page, options, client);
@@ -120,10 +120,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SettingsUpdateResour
                                                                                              SettingsUpdateResource.StatusEnum status = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSettingsUpdateOptions(){ Sim = sim, Status = status, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Supersim/V1/Sim/BillingPeriodResource.cs b/src/Twilio/Rest/Supersim/V1/Sim/BillingPeriodResource.cs
index ae8e68dcc..d3c170478 100644
--- a/src/Twilio/Rest/Supersim/V1/Sim/BillingPeriodResource.cs
+++ b/src/Twilio/Rest/Supersim/V1/Sim/BillingPeriodResource.cs
@@ -80,10 +80,10 @@ public static ResourceSet<BillingPeriodResource> Read(ReadBillingPeriodOptions o
         /// <param name="options"> Read BillingPeriod parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BillingPeriod </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<BillingPeriodResource>> ReadAsync(ReadBillingPeriodOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<BillingPeriodResource>> ReadAsync(ReadBillingPeriodOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<BillingPeriodResource>.FromJson("billing_periods", response.Content);
             return new ResourceSet<BillingPeriodResource>(page, options, client);
@@ -116,10 +116,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<BillingPeriodResourc
                                                                                              string pathSimSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadBillingPeriodOptions(pathSimSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Supersim/V1/Sim/SimIpAddressResource.cs b/src/Twilio/Rest/Supersim/V1/Sim/SimIpAddressResource.cs
index cb933121c..87ef54353 100644
--- a/src/Twilio/Rest/Supersim/V1/Sim/SimIpAddressResource.cs
+++ b/src/Twilio/Rest/Supersim/V1/Sim/SimIpAddressResource.cs
@@ -80,10 +80,10 @@ public static ResourceSet<SimIpAddressResource> Read(ReadSimIpAddressOptions opt
         /// <param name="options"> Read SimIpAddress parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SimIpAddress </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SimIpAddressResource>> ReadAsync(ReadSimIpAddressOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SimIpAddressResource>> ReadAsync(ReadSimIpAddressOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SimIpAddressResource>.FromJson("ip_addresses", response.Content);
             return new ResourceSet<SimIpAddressResource>(page, options, client);
@@ -116,10 +116,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SimIpAddressResource
                                                                                              string pathSimSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSimIpAddressOptions(pathSimSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Supersim/V1/SimResource.cs b/src/Twilio/Rest/Supersim/V1/SimResource.cs
index abde626a6..f30eb3507 100644
--- a/src/Twilio/Rest/Supersim/V1/SimResource.cs
+++ b/src/Twilio/Rest/Supersim/V1/SimResource.cs
@@ -95,10 +95,10 @@ public static SimResource Create(CreateSimOptions options, ITwilioRestClient cli
         /// <param name="options"> Create Sim parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sim </returns>
-        public static async System.Threading.Tasks.Task<SimResource> CreateAsync(CreateSimOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SimResource> CreateAsync(CreateSimOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -126,10 +126,10 @@ public static SimResource Create(
         public static async System.Threading.Tasks.Task<SimResource> CreateAsync(
                                                                                   string iccid,
                                                                                   string registrationCode,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSimOptions(iccid, registrationCode){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -166,10 +166,10 @@ public static SimResource Fetch(FetchSimOptions options, ITwilioRestClient clien
         /// <param name="options"> Fetch Sim parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sim </returns>
-        public static async System.Threading.Tasks.Task<SimResource> FetchAsync(FetchSimOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SimResource> FetchAsync(FetchSimOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -190,10 +190,10 @@ public static SimResource Fetch(
         /// <param name="pathSid"> The SID of the Sim resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sim </returns>
-        public static async System.Threading.Tasks.Task<SimResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SimResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSimOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -228,10 +228,10 @@ public static ResourceSet<SimResource> Read(ReadSimOptions options, ITwilioRestC
         /// <param name="options"> Read Sim parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sim </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SimResource>> ReadAsync(ReadSimOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SimResource>> ReadAsync(ReadSimOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SimResource>.FromJson("sims", response.Content);
             return new ResourceSet<SimResource>(page, options, client);
@@ -272,10 +272,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SimResource>> ReadAs
                                                                                              string iccid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSimOptions(){ Status = status, Fleet = fleet, Iccid = iccid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -362,11 +362,12 @@ public static SimResource Update(UpdateSimOptions options, ITwilioRestClient cli
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sim </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SimResource> UpdateAsync(UpdateSimOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SimResource> UpdateAsync(UpdateSimOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -414,10 +415,10 @@ public static async System.Threading.Tasks.Task<SimResource> UpdateAsync(
                                                                               Uri callbackUrl = null,
                                                                               Twilio.Http.HttpMethod callbackMethod = null,
                                                                               string accountSid = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSimOptions(pathSid){ UniqueName = uniqueName, Status = status, Fleet = fleet, CallbackUrl = callbackUrl, CallbackMethod = callbackMethod, AccountSid = accountSid };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Supersim/V1/SmsCommandResource.cs b/src/Twilio/Rest/Supersim/V1/SmsCommandResource.cs
index e1eaed2cc..0235956ca 100644
--- a/src/Twilio/Rest/Supersim/V1/SmsCommandResource.cs
+++ b/src/Twilio/Rest/Supersim/V1/SmsCommandResource.cs
@@ -95,10 +95,10 @@ public static SmsCommandResource Create(CreateSmsCommandOptions options, ITwilio
         /// <param name="options"> Create SmsCommand parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SmsCommand </returns>
-        public static async System.Threading.Tasks.Task<SmsCommandResource> CreateAsync(CreateSmsCommandOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SmsCommandResource> CreateAsync(CreateSmsCommandOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -134,10 +134,10 @@ public static async System.Threading.Tasks.Task<SmsCommandResource> CreateAsync(
                                                                                   string payload,
                                                                                   Twilio.Http.HttpMethod callbackMethod = null,
                                                                                   Uri callbackUrl = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSmsCommandOptions(sim, payload){  CallbackMethod = callbackMethod, CallbackUrl = callbackUrl };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -174,10 +174,10 @@ public static SmsCommandResource Fetch(FetchSmsCommandOptions options, ITwilioRe
         /// <param name="options"> Fetch SmsCommand parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SmsCommand </returns>
-        public static async System.Threading.Tasks.Task<SmsCommandResource> FetchAsync(FetchSmsCommandOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SmsCommandResource> FetchAsync(FetchSmsCommandOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -198,10 +198,10 @@ public static SmsCommandResource Fetch(
         /// <param name="pathSid"> The SID of the SMS Command resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SmsCommand </returns>
-        public static async System.Threading.Tasks.Task<SmsCommandResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SmsCommandResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSmsCommandOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -236,10 +236,10 @@ public static ResourceSet<SmsCommandResource> Read(ReadSmsCommandOptions options
         /// <param name="options"> Read SmsCommand parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SmsCommand </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SmsCommandResource>> ReadAsync(ReadSmsCommandOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SmsCommandResource>> ReadAsync(ReadSmsCommandOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SmsCommandResource>.FromJson("sms_commands", response.Content);
             return new ResourceSet<SmsCommandResource>(page, options, client);
@@ -280,10 +280,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SmsCommandResource>>
                                                                                              SmsCommandResource.DirectionEnum direction = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSmsCommandOptions(){ Sim = sim, Status = status, Direction = direction, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Supersim/V1/UsageRecordResource.cs b/src/Twilio/Rest/Supersim/V1/UsageRecordResource.cs
index f5e612fd1..e0a3e9d1f 100644
--- a/src/Twilio/Rest/Supersim/V1/UsageRecordResource.cs
+++ b/src/Twilio/Rest/Supersim/V1/UsageRecordResource.cs
@@ -92,10 +92,10 @@ public static ResourceSet<UsageRecordResource> Read(ReadUsageRecordOptions optio
         /// <param name="options"> Read UsageRecord parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UsageRecord </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UsageRecordResource>> ReadAsync(ReadUsageRecordOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UsageRecordResource>> ReadAsync(ReadUsageRecordOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<UsageRecordResource>.FromJson("usage_records", response.Content);
             return new ResourceSet<UsageRecordResource>(page, options, client);
@@ -156,10 +156,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<UsageRecordResource>
                                                                                              DateTime? endTime = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUsageRecordOptions(){ Sim = sim, Fleet = fleet, Network = network, IsoCountry = isoCountry, Group = group, Granularity = granularity, StartTime = startTime, EndTime = endTime, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Sync/V1/Service/Document/DocumentPermissionResource.cs b/src/Twilio/Rest/Sync/V1/Service/Document/DocumentPermissionResource.cs
index 23f640012..c8c525f60 100644
--- a/src/Twilio/Rest/Sync/V1/Service/Document/DocumentPermissionResource.cs
+++ b/src/Twilio/Rest/Sync/V1/Service/Document/DocumentPermissionResource.cs
@@ -75,11 +75,12 @@ public static bool Delete(DeleteDocumentPermissionOptions options, ITwilioRestCl
         /// <param name="options"> Delete DocumentPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DocumentPermission </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteDocumentPermissionOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteDocumentPermissionOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -103,10 +104,10 @@ public static bool Delete(string pathServiceSid, string pathDocumentSid, string
         /// <param name="pathIdentity"> The application-defined string that uniquely identifies the User's Document Permission resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DocumentPermission </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathDocumentSid, string pathIdentity, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathDocumentSid, string pathIdentity, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteDocumentPermissionOptions(pathServiceSid, pathDocumentSid, pathIdentity) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -147,10 +148,10 @@ public static DocumentPermissionResource Fetch(FetchDocumentPermissionOptions op
         /// <param name="options"> Fetch DocumentPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DocumentPermission </returns>
-        public static async System.Threading.Tasks.Task<DocumentPermissionResource> FetchAsync(FetchDocumentPermissionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DocumentPermissionResource> FetchAsync(FetchDocumentPermissionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -177,10 +178,10 @@ public static DocumentPermissionResource Fetch(
         /// <param name="pathIdentity"> The application-defined string that uniquely identifies the User's Document Permission resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DocumentPermission </returns>
-        public static async System.Threading.Tasks.Task<DocumentPermissionResource> FetchAsync(string pathServiceSid, string pathDocumentSid, string pathIdentity, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DocumentPermissionResource> FetchAsync(string pathServiceSid, string pathDocumentSid, string pathIdentity, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDocumentPermissionOptions(pathServiceSid, pathDocumentSid, pathIdentity){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -219,10 +220,10 @@ public static ResourceSet<DocumentPermissionResource> Read(ReadDocumentPermissio
         /// <param name="options"> Read DocumentPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DocumentPermission </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DocumentPermissionResource>> ReadAsync(ReadDocumentPermissionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DocumentPermissionResource>> ReadAsync(ReadDocumentPermissionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<DocumentPermissionResource>.FromJson("permissions", response.Content);
             return new ResourceSet<DocumentPermissionResource>(page, options, client);
@@ -259,10 +260,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<DocumentPermissionRe
                                                                                              string pathDocumentSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDocumentPermissionOptions(pathServiceSid, pathDocumentSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -353,11 +354,12 @@ public static DocumentPermissionResource Update(UpdateDocumentPermissionOptions
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DocumentPermission </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<DocumentPermissionResource> UpdateAsync(UpdateDocumentPermissionOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DocumentPermissionResource> UpdateAsync(UpdateDocumentPermissionOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -401,10 +403,10 @@ public static async System.Threading.Tasks.Task<DocumentPermissionResource> Upda
                                                                               bool? read,
                                                                               bool? write,
                                                                               bool? manage,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateDocumentPermissionOptions(pathServiceSid, pathDocumentSid, pathIdentity, read, write, manage){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Sync/V1/Service/DocumentResource.cs b/src/Twilio/Rest/Sync/V1/Service/DocumentResource.cs
index 7e143a879..18c88fd33 100644
--- a/src/Twilio/Rest/Sync/V1/Service/DocumentResource.cs
+++ b/src/Twilio/Rest/Sync/V1/Service/DocumentResource.cs
@@ -68,10 +68,10 @@ public static DocumentResource Create(CreateDocumentOptions options, ITwilioRest
         /// <param name="options"> Create Document parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Document </returns>
-        public static async System.Threading.Tasks.Task<DocumentResource> CreateAsync(CreateDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DocumentResource> CreateAsync(CreateDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -107,10 +107,10 @@ public static async System.Threading.Tasks.Task<DocumentResource> CreateAsync(
                                                                                   string uniqueName = null,
                                                                                   object data = null,
                                                                                   int? ttl = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateDocumentOptions(pathServiceSid){  UniqueName = uniqueName, Data = data, Ttl = ttl };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -153,11 +153,12 @@ public static bool Delete(DeleteDocumentOptions options, ITwilioRestClient clien
         /// <param name="options"> Delete Document parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Document </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteDocumentOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteDocumentOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -179,10 +180,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The SID of the Document resource to delete. Can be the Document resource's `sid` or its `unique_name`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Document </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteDocumentOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -221,10 +222,10 @@ public static DocumentResource Fetch(FetchDocumentOptions options, ITwilioRestCl
         /// <param name="options"> Fetch Document parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Document </returns>
-        public static async System.Threading.Tasks.Task<DocumentResource> FetchAsync(FetchDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DocumentResource> FetchAsync(FetchDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -248,10 +249,10 @@ public static DocumentResource Fetch(
         /// <param name="pathSid"> The SID of the Document resource to fetch. Can be the Document resource's `sid` or its `unique_name`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Document </returns>
-        public static async System.Threading.Tasks.Task<DocumentResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DocumentResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchDocumentOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -288,10 +289,10 @@ public static ResourceSet<DocumentResource> Read(ReadDocumentOptions options, IT
         /// <param name="options"> Read Document parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Document </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DocumentResource>> ReadAsync(ReadDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DocumentResource>> ReadAsync(ReadDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<DocumentResource>.FromJson("documents", response.Content);
             return new ResourceSet<DocumentResource>(page, options, client);
@@ -324,10 +325,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<DocumentResource>> R
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDocumentOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -416,11 +417,12 @@ public static DocumentResource Update(UpdateDocumentOptions options, ITwilioRest
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Document </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<DocumentResource> UpdateAsync(UpdateDocumentOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<DocumentResource> UpdateAsync(UpdateDocumentOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -460,10 +462,10 @@ public static async System.Threading.Tasks.Task<DocumentResource> UpdateAsync(
                                                                               object data = null,
                                                                               int? ttl = null,
                                                                               string ifMatch = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateDocumentOptions(pathServiceSid, pathSid){ Data = data, Ttl = ttl, IfMatch = ifMatch };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Sync/V1/Service/SyncList/SyncListItemResource.cs b/src/Twilio/Rest/Sync/V1/Service/SyncList/SyncListItemResource.cs
index d924fac79..dcb52cb19 100644
--- a/src/Twilio/Rest/Sync/V1/Service/SyncList/SyncListItemResource.cs
+++ b/src/Twilio/Rest/Sync/V1/Service/SyncList/SyncListItemResource.cs
@@ -94,10 +94,10 @@ public static SyncListItemResource Create(CreateSyncListItemOptions options, ITw
         /// <param name="options"> Create SyncListItem parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListItem </returns>
-        public static async System.Threading.Tasks.Task<SyncListItemResource> CreateAsync(CreateSyncListItemOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListItemResource> CreateAsync(CreateSyncListItemOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -141,10 +141,10 @@ public static async System.Threading.Tasks.Task<SyncListItemResource> CreateAsyn
                                                                                   int? ttl = null,
                                                                                   int? itemTtl = null,
                                                                                   int? collectionTtl = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSyncListItemOptions(pathServiceSid, pathListSid, data){  Ttl = ttl, ItemTtl = itemTtl, CollectionTtl = collectionTtl };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -189,11 +189,12 @@ public static bool Delete(DeleteSyncListItemOptions options, ITwilioRestClient c
         /// <param name="options"> Delete SyncListItem parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListItem </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncListItemOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncListItemOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -219,10 +220,10 @@ public static bool Delete(string pathServiceSid, string pathListSid, int? pathIn
         /// <param name="ifMatch"> If provided, applies this mutation if (and only if) the “revision” field of this [map item] matches the provided value. This matches the semantics of (and is implemented with) the HTTP [If-Match header](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Match). </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListItem </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathListSid, int? pathIndex, string ifMatch = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathListSid, int? pathIndex, string ifMatch = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSyncListItemOptions(pathServiceSid, pathListSid, pathIndex)  { IfMatch = ifMatch };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -263,10 +264,10 @@ public static SyncListItemResource Fetch(FetchSyncListItemOptions options, ITwil
         /// <param name="options"> Fetch SyncListItem parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListItem </returns>
-        public static async System.Threading.Tasks.Task<SyncListItemResource> FetchAsync(FetchSyncListItemOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListItemResource> FetchAsync(FetchSyncListItemOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -293,10 +294,10 @@ public static SyncListItemResource Fetch(
         /// <param name="pathIndex"> The index of the Sync List Item resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListItem </returns>
-        public static async System.Threading.Tasks.Task<SyncListItemResource> FetchAsync(string pathServiceSid, string pathListSid, int? pathIndex, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListItemResource> FetchAsync(string pathServiceSid, string pathListSid, int? pathIndex, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSyncListItemOptions(pathServiceSid, pathListSid, pathIndex){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -335,10 +336,10 @@ public static ResourceSet<SyncListItemResource> Read(ReadSyncListItemOptions opt
         /// <param name="options"> Read SyncListItem parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListItem </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SyncListItemResource>> ReadAsync(ReadSyncListItemOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SyncListItemResource>> ReadAsync(ReadSyncListItemOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SyncListItemResource>.FromJson("items", response.Content);
             return new ResourceSet<SyncListItemResource>(page, options, client);
@@ -387,10 +388,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SyncListItemResource
                                                                                              SyncListItemResource.QueryFromBoundTypeEnum bounds = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSyncListItemOptions(pathServiceSid, pathListSid){ Order = order, From = from, Bounds = bounds, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -481,11 +482,12 @@ public static SyncListItemResource Update(UpdateSyncListItemOptions options, ITw
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListItem </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SyncListItemResource> UpdateAsync(UpdateSyncListItemOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListItemResource> UpdateAsync(UpdateSyncListItemOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -537,10 +539,10 @@ public static async System.Threading.Tasks.Task<SyncListItemResource> UpdateAsyn
                                                                               int? itemTtl = null,
                                                                               int? collectionTtl = null,
                                                                               string ifMatch = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSyncListItemOptions(pathServiceSid, pathListSid, pathIndex){ Data = data, Ttl = ttl, ItemTtl = itemTtl, CollectionTtl = collectionTtl, IfMatch = ifMatch };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Sync/V1/Service/SyncList/SyncListPermissionResource.cs b/src/Twilio/Rest/Sync/V1/Service/SyncList/SyncListPermissionResource.cs
index 7eb2b2c32..ab14c903b 100644
--- a/src/Twilio/Rest/Sync/V1/Service/SyncList/SyncListPermissionResource.cs
+++ b/src/Twilio/Rest/Sync/V1/Service/SyncList/SyncListPermissionResource.cs
@@ -75,11 +75,12 @@ public static bool Delete(DeleteSyncListPermissionOptions options, ITwilioRestCl
         /// <param name="options"> Delete SyncListPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListPermission </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncListPermissionOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncListPermissionOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -103,10 +104,10 @@ public static bool Delete(string pathServiceSid, string pathListSid, string path
         /// <param name="pathIdentity"> The application-defined string that uniquely identifies the User's Sync List Permission resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListPermission </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathListSid, string pathIdentity, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathListSid, string pathIdentity, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSyncListPermissionOptions(pathServiceSid, pathListSid, pathIdentity) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -147,10 +148,10 @@ public static SyncListPermissionResource Fetch(FetchSyncListPermissionOptions op
         /// <param name="options"> Fetch SyncListPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListPermission </returns>
-        public static async System.Threading.Tasks.Task<SyncListPermissionResource> FetchAsync(FetchSyncListPermissionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListPermissionResource> FetchAsync(FetchSyncListPermissionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -177,10 +178,10 @@ public static SyncListPermissionResource Fetch(
         /// <param name="pathIdentity"> The application-defined string that uniquely identifies the User's Sync List Permission resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListPermission </returns>
-        public static async System.Threading.Tasks.Task<SyncListPermissionResource> FetchAsync(string pathServiceSid, string pathListSid, string pathIdentity, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListPermissionResource> FetchAsync(string pathServiceSid, string pathListSid, string pathIdentity, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSyncListPermissionOptions(pathServiceSid, pathListSid, pathIdentity){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -219,10 +220,10 @@ public static ResourceSet<SyncListPermissionResource> Read(ReadSyncListPermissio
         /// <param name="options"> Read SyncListPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListPermission </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SyncListPermissionResource>> ReadAsync(ReadSyncListPermissionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SyncListPermissionResource>> ReadAsync(ReadSyncListPermissionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SyncListPermissionResource>.FromJson("permissions", response.Content);
             return new ResourceSet<SyncListPermissionResource>(page, options, client);
@@ -259,10 +260,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SyncListPermissionRe
                                                                                              string pathListSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSyncListPermissionOptions(pathServiceSid, pathListSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -353,11 +354,12 @@ public static SyncListPermissionResource Update(UpdateSyncListPermissionOptions
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncListPermission </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SyncListPermissionResource> UpdateAsync(UpdateSyncListPermissionOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListPermissionResource> UpdateAsync(UpdateSyncListPermissionOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -401,10 +403,10 @@ public static async System.Threading.Tasks.Task<SyncListPermissionResource> Upda
                                                                               bool? read,
                                                                               bool? write,
                                                                               bool? manage,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSyncListPermissionOptions(pathServiceSid, pathListSid, pathIdentity, read, write, manage){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Sync/V1/Service/SyncListResource.cs b/src/Twilio/Rest/Sync/V1/Service/SyncListResource.cs
index 61cc128ca..94bdaa049 100644
--- a/src/Twilio/Rest/Sync/V1/Service/SyncListResource.cs
+++ b/src/Twilio/Rest/Sync/V1/Service/SyncListResource.cs
@@ -68,10 +68,10 @@ public static SyncListResource Create(CreateSyncListOptions options, ITwilioRest
         /// <param name="options"> Create SyncList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncList </returns>
-        public static async System.Threading.Tasks.Task<SyncListResource> CreateAsync(CreateSyncListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListResource> CreateAsync(CreateSyncListOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -107,10 +107,10 @@ public static async System.Threading.Tasks.Task<SyncListResource> CreateAsync(
                                                                                   string uniqueName = null,
                                                                                   int? ttl = null,
                                                                                   int? collectionTtl = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSyncListOptions(pathServiceSid){  UniqueName = uniqueName, Ttl = ttl, CollectionTtl = collectionTtl };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -153,11 +153,12 @@ public static bool Delete(DeleteSyncListOptions options, ITwilioRestClient clien
         /// <param name="options"> Delete SyncList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncList </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncListOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncListOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -179,10 +180,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The SID of the Sync List resource to delete. Can be the Sync List resource's `sid` or its `unique_name`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncList </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSyncListOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -221,10 +222,10 @@ public static SyncListResource Fetch(FetchSyncListOptions options, ITwilioRestCl
         /// <param name="options"> Fetch SyncList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncList </returns>
-        public static async System.Threading.Tasks.Task<SyncListResource> FetchAsync(FetchSyncListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListResource> FetchAsync(FetchSyncListOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -248,10 +249,10 @@ public static SyncListResource Fetch(
         /// <param name="pathSid"> The SID of the Sync List resource to fetch. Can be the Sync List resource's `sid` or its `unique_name`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncList </returns>
-        public static async System.Threading.Tasks.Task<SyncListResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSyncListOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -288,10 +289,10 @@ public static ResourceSet<SyncListResource> Read(ReadSyncListOptions options, IT
         /// <param name="options"> Read SyncList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncList </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SyncListResource>> ReadAsync(ReadSyncListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SyncListResource>> ReadAsync(ReadSyncListOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SyncListResource>.FromJson("lists", response.Content);
             return new ResourceSet<SyncListResource>(page, options, client);
@@ -324,10 +325,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SyncListResource>> R
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSyncListOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -416,11 +417,12 @@ public static SyncListResource Update(UpdateSyncListOptions options, ITwilioRest
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncList </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SyncListResource> UpdateAsync(UpdateSyncListOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncListResource> UpdateAsync(UpdateSyncListOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -456,10 +458,10 @@ public static async System.Threading.Tasks.Task<SyncListResource> UpdateAsync(
                                                                               string pathSid,
                                                                               int? ttl = null,
                                                                               int? collectionTtl = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSyncListOptions(pathServiceSid, pathSid){ Ttl = ttl, CollectionTtl = collectionTtl };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Sync/V1/Service/SyncMap/SyncMapItemResource.cs b/src/Twilio/Rest/Sync/V1/Service/SyncMap/SyncMapItemResource.cs
index 523232c75..e4daf581a 100644
--- a/src/Twilio/Rest/Sync/V1/Service/SyncMap/SyncMapItemResource.cs
+++ b/src/Twilio/Rest/Sync/V1/Service/SyncMap/SyncMapItemResource.cs
@@ -94,10 +94,10 @@ public static SyncMapItemResource Create(CreateSyncMapItemOptions options, ITwil
         /// <param name="options"> Create SyncMapItem parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapItem </returns>
-        public static async System.Threading.Tasks.Task<SyncMapItemResource> CreateAsync(CreateSyncMapItemOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapItemResource> CreateAsync(CreateSyncMapItemOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -145,10 +145,10 @@ public static async System.Threading.Tasks.Task<SyncMapItemResource> CreateAsync
                                                                                   int? ttl = null,
                                                                                   int? itemTtl = null,
                                                                                   int? collectionTtl = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSyncMapItemOptions(pathServiceSid, pathMapSid, key, data){  Ttl = ttl, ItemTtl = itemTtl, CollectionTtl = collectionTtl };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -193,11 +193,12 @@ public static bool Delete(DeleteSyncMapItemOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete SyncMapItem parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapItem </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncMapItemOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncMapItemOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -223,10 +224,10 @@ public static bool Delete(string pathServiceSid, string pathMapSid, string pathK
         /// <param name="ifMatch"> If provided, applies this mutation if (and only if) the “revision” field of this [map item] matches the provided value. This matches the semantics of (and is implemented with) the HTTP [If-Match header](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Match). </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapItem </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathMapSid, string pathKey, string ifMatch = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathMapSid, string pathKey, string ifMatch = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSyncMapItemOptions(pathServiceSid, pathMapSid, pathKey)  { IfMatch = ifMatch };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -267,10 +268,10 @@ public static SyncMapItemResource Fetch(FetchSyncMapItemOptions options, ITwilio
         /// <param name="options"> Fetch SyncMapItem parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapItem </returns>
-        public static async System.Threading.Tasks.Task<SyncMapItemResource> FetchAsync(FetchSyncMapItemOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapItemResource> FetchAsync(FetchSyncMapItemOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -297,10 +298,10 @@ public static SyncMapItemResource Fetch(
         /// <param name="pathKey"> The `key` value of the Sync Map Item resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapItem </returns>
-        public static async System.Threading.Tasks.Task<SyncMapItemResource> FetchAsync(string pathServiceSid, string pathMapSid, string pathKey, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapItemResource> FetchAsync(string pathServiceSid, string pathMapSid, string pathKey, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSyncMapItemOptions(pathServiceSid, pathMapSid, pathKey){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -339,10 +340,10 @@ public static ResourceSet<SyncMapItemResource> Read(ReadSyncMapItemOptions optio
         /// <param name="options"> Read SyncMapItem parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapItem </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SyncMapItemResource>> ReadAsync(ReadSyncMapItemOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SyncMapItemResource>> ReadAsync(ReadSyncMapItemOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SyncMapItemResource>.FromJson("items", response.Content);
             return new ResourceSet<SyncMapItemResource>(page, options, client);
@@ -391,10 +392,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SyncMapItemResource>
                                                                                              SyncMapItemResource.QueryFromBoundTypeEnum bounds = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSyncMapItemOptions(pathServiceSid, pathMapSid){ Order = order, From = from, Bounds = bounds, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -485,11 +486,12 @@ public static SyncMapItemResource Update(UpdateSyncMapItemOptions options, ITwil
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapItem </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SyncMapItemResource> UpdateAsync(UpdateSyncMapItemOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapItemResource> UpdateAsync(UpdateSyncMapItemOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -541,10 +543,10 @@ public static async System.Threading.Tasks.Task<SyncMapItemResource> UpdateAsync
                                                                               int? itemTtl = null,
                                                                               int? collectionTtl = null,
                                                                               string ifMatch = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSyncMapItemOptions(pathServiceSid, pathMapSid, pathKey){ Data = data, Ttl = ttl, ItemTtl = itemTtl, CollectionTtl = collectionTtl, IfMatch = ifMatch };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Sync/V1/Service/SyncMap/SyncMapPermissionResource.cs b/src/Twilio/Rest/Sync/V1/Service/SyncMap/SyncMapPermissionResource.cs
index f6d3ace6d..36d499a60 100644
--- a/src/Twilio/Rest/Sync/V1/Service/SyncMap/SyncMapPermissionResource.cs
+++ b/src/Twilio/Rest/Sync/V1/Service/SyncMap/SyncMapPermissionResource.cs
@@ -75,11 +75,12 @@ public static bool Delete(DeleteSyncMapPermissionOptions options, ITwilioRestCli
         /// <param name="options"> Delete SyncMapPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapPermission </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncMapPermissionOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncMapPermissionOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -103,10 +104,10 @@ public static bool Delete(string pathServiceSid, string pathMapSid, string pathI
         /// <param name="pathIdentity"> The application-defined string that uniquely identifies the User's Sync Map Permission resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapPermission </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathMapSid, string pathIdentity, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathMapSid, string pathIdentity, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSyncMapPermissionOptions(pathServiceSid, pathMapSid, pathIdentity) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -147,10 +148,10 @@ public static SyncMapPermissionResource Fetch(FetchSyncMapPermissionOptions opti
         /// <param name="options"> Fetch SyncMapPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapPermission </returns>
-        public static async System.Threading.Tasks.Task<SyncMapPermissionResource> FetchAsync(FetchSyncMapPermissionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapPermissionResource> FetchAsync(FetchSyncMapPermissionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -177,10 +178,10 @@ public static SyncMapPermissionResource Fetch(
         /// <param name="pathIdentity"> The application-defined string that uniquely identifies the User's Sync Map Permission resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapPermission </returns>
-        public static async System.Threading.Tasks.Task<SyncMapPermissionResource> FetchAsync(string pathServiceSid, string pathMapSid, string pathIdentity, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapPermissionResource> FetchAsync(string pathServiceSid, string pathMapSid, string pathIdentity, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSyncMapPermissionOptions(pathServiceSid, pathMapSid, pathIdentity){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -219,10 +220,10 @@ public static ResourceSet<SyncMapPermissionResource> Read(ReadSyncMapPermissionO
         /// <param name="options"> Read SyncMapPermission parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapPermission </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SyncMapPermissionResource>> ReadAsync(ReadSyncMapPermissionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SyncMapPermissionResource>> ReadAsync(ReadSyncMapPermissionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SyncMapPermissionResource>.FromJson("permissions", response.Content);
             return new ResourceSet<SyncMapPermissionResource>(page, options, client);
@@ -259,10 +260,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SyncMapPermissionRes
                                                                                              string pathMapSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSyncMapPermissionOptions(pathServiceSid, pathMapSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -353,11 +354,12 @@ public static SyncMapPermissionResource Update(UpdateSyncMapPermissionOptions op
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMapPermission </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SyncMapPermissionResource> UpdateAsync(UpdateSyncMapPermissionOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapPermissionResource> UpdateAsync(UpdateSyncMapPermissionOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -401,10 +403,10 @@ public static async System.Threading.Tasks.Task<SyncMapPermissionResource> Updat
                                                                               bool? read,
                                                                               bool? write,
                                                                               bool? manage,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSyncMapPermissionOptions(pathServiceSid, pathMapSid, pathIdentity, read, write, manage){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Sync/V1/Service/SyncMapResource.cs b/src/Twilio/Rest/Sync/V1/Service/SyncMapResource.cs
index afb4be3c2..48a2af84a 100644
--- a/src/Twilio/Rest/Sync/V1/Service/SyncMapResource.cs
+++ b/src/Twilio/Rest/Sync/V1/Service/SyncMapResource.cs
@@ -68,10 +68,10 @@ public static SyncMapResource Create(CreateSyncMapOptions options, ITwilioRestCl
         /// <param name="options"> Create SyncMap parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMap </returns>
-        public static async System.Threading.Tasks.Task<SyncMapResource> CreateAsync(CreateSyncMapOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapResource> CreateAsync(CreateSyncMapOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -107,10 +107,10 @@ public static async System.Threading.Tasks.Task<SyncMapResource> CreateAsync(
                                                                                   string uniqueName = null,
                                                                                   int? ttl = null,
                                                                                   int? collectionTtl = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSyncMapOptions(pathServiceSid){  UniqueName = uniqueName, Ttl = ttl, CollectionTtl = collectionTtl };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -153,11 +153,12 @@ public static bool Delete(DeleteSyncMapOptions options, ITwilioRestClient client
         /// <param name="options"> Delete SyncMap parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMap </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncMapOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncMapOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -179,10 +180,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The SID of the Sync Map resource to delete. Can be the Sync Map's `sid` or its `unique_name`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMap </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSyncMapOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -221,10 +222,10 @@ public static SyncMapResource Fetch(FetchSyncMapOptions options, ITwilioRestClie
         /// <param name="options"> Fetch SyncMap parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMap </returns>
-        public static async System.Threading.Tasks.Task<SyncMapResource> FetchAsync(FetchSyncMapOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapResource> FetchAsync(FetchSyncMapOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -248,10 +249,10 @@ public static SyncMapResource Fetch(
         /// <param name="pathSid"> The SID of the Sync Map resource to fetch. Can be the Sync Map's `sid` or its `unique_name`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMap </returns>
-        public static async System.Threading.Tasks.Task<SyncMapResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSyncMapOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -288,10 +289,10 @@ public static ResourceSet<SyncMapResource> Read(ReadSyncMapOptions options, ITwi
         /// <param name="options"> Read SyncMap parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMap </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SyncMapResource>> ReadAsync(ReadSyncMapOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SyncMapResource>> ReadAsync(ReadSyncMapOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SyncMapResource>.FromJson("maps", response.Content);
             return new ResourceSet<SyncMapResource>(page, options, client);
@@ -324,10 +325,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SyncMapResource>> Re
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSyncMapOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -416,11 +417,12 @@ public static SyncMapResource Update(UpdateSyncMapOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncMap </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SyncMapResource> UpdateAsync(UpdateSyncMapOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncMapResource> UpdateAsync(UpdateSyncMapOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -456,10 +458,10 @@ public static async System.Threading.Tasks.Task<SyncMapResource> UpdateAsync(
                                                                               string pathSid,
                                                                               int? ttl = null,
                                                                               int? collectionTtl = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSyncMapOptions(pathServiceSid, pathSid){ Ttl = ttl, CollectionTtl = collectionTtl };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Sync/V1/Service/SyncStream/StreamMessageResource.cs b/src/Twilio/Rest/Sync/V1/Service/SyncStream/StreamMessageResource.cs
index b5a33f3d8..9758e36f3 100644
--- a/src/Twilio/Rest/Sync/V1/Service/SyncStream/StreamMessageResource.cs
+++ b/src/Twilio/Rest/Sync/V1/Service/SyncStream/StreamMessageResource.cs
@@ -70,10 +70,10 @@ public static StreamMessageResource Create(CreateStreamMessageOptions options, I
         /// <param name="options"> Create StreamMessage parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of StreamMessage </returns>
-        public static async System.Threading.Tasks.Task<StreamMessageResource> CreateAsync(CreateStreamMessageOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<StreamMessageResource> CreateAsync(CreateStreamMessageOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -105,10 +105,10 @@ public static async System.Threading.Tasks.Task<StreamMessageResource> CreateAsy
                                                                                   string pathServiceSid,
                                                                                   string pathStreamSid,
                                                                                   object data,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateStreamMessageOptions(pathServiceSid, pathStreamSid, data){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Sync/V1/Service/SyncStreamResource.cs b/src/Twilio/Rest/Sync/V1/Service/SyncStreamResource.cs
index 1392ca5e9..e915b492c 100644
--- a/src/Twilio/Rest/Sync/V1/Service/SyncStreamResource.cs
+++ b/src/Twilio/Rest/Sync/V1/Service/SyncStreamResource.cs
@@ -68,10 +68,10 @@ public static SyncStreamResource Create(CreateSyncStreamOptions options, ITwilio
         /// <param name="options"> Create SyncStream parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncStream </returns>
-        public static async System.Threading.Tasks.Task<SyncStreamResource> CreateAsync(CreateSyncStreamOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncStreamResource> CreateAsync(CreateSyncStreamOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -103,10 +103,10 @@ public static async System.Threading.Tasks.Task<SyncStreamResource> CreateAsync(
                                                                                   string pathServiceSid,
                                                                                   string uniqueName = null,
                                                                                   int? ttl = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSyncStreamOptions(pathServiceSid){  UniqueName = uniqueName, Ttl = ttl };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,11 +149,12 @@ public static bool Delete(DeleteSyncStreamOptions options, ITwilioRestClient cli
         /// <param name="options"> Delete SyncStream parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncStream </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncStreamOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSyncStreamOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -175,10 +176,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The SID of the Stream resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncStream </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSyncStreamOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -217,10 +218,10 @@ public static SyncStreamResource Fetch(FetchSyncStreamOptions options, ITwilioRe
         /// <param name="options"> Fetch SyncStream parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncStream </returns>
-        public static async System.Threading.Tasks.Task<SyncStreamResource> FetchAsync(FetchSyncStreamOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncStreamResource> FetchAsync(FetchSyncStreamOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -244,10 +245,10 @@ public static SyncStreamResource Fetch(
         /// <param name="pathSid"> The SID of the Stream resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncStream </returns>
-        public static async System.Threading.Tasks.Task<SyncStreamResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncStreamResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSyncStreamOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -284,10 +285,10 @@ public static ResourceSet<SyncStreamResource> Read(ReadSyncStreamOptions options
         /// <param name="options"> Read SyncStream parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncStream </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SyncStreamResource>> ReadAsync(ReadSyncStreamOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SyncStreamResource>> ReadAsync(ReadSyncStreamOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SyncStreamResource>.FromJson("streams", response.Content);
             return new ResourceSet<SyncStreamResource>(page, options, client);
@@ -320,10 +321,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SyncStreamResource>>
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSyncStreamOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -412,11 +413,12 @@ public static SyncStreamResource Update(UpdateSyncStreamOptions options, ITwilio
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SyncStream </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SyncStreamResource> UpdateAsync(UpdateSyncStreamOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SyncStreamResource> UpdateAsync(UpdateSyncStreamOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -448,10 +450,10 @@ public static async System.Threading.Tasks.Task<SyncStreamResource> UpdateAsync(
                                                                               string pathServiceSid,
                                                                               string pathSid,
                                                                               int? ttl = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSyncStreamOptions(pathServiceSid, pathSid){ Ttl = ttl };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Sync/V1/ServiceResource.cs b/src/Twilio/Rest/Sync/V1/ServiceResource.cs
index c45098787..36e70fb60 100644
--- a/src/Twilio/Rest/Sync/V1/ServiceResource.cs
+++ b/src/Twilio/Rest/Sync/V1/ServiceResource.cs
@@ -66,10 +66,10 @@ public static ServiceResource Create(CreateServiceOptions options, ITwilioRestCl
         /// <param name="options"> Create Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -117,10 +117,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(
                                                                                   bool? reachabilityDebouncingEnabled = null,
                                                                                   int? reachabilityDebouncingWindow = null,
                                                                                   bool? webhooksFromRestEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateServiceOptions(){  FriendlyName = friendlyName, WebhookUrl = webhookUrl, ReachabilityWebhooksEnabled = reachabilityWebhooksEnabled, AclEnabled = aclEnabled, ReachabilityDebouncingEnabled = reachabilityDebouncingEnabled, ReachabilityDebouncingWindow = reachabilityDebouncingWindow, WebhooksFromRestEnabled = webhooksFromRestEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -161,11 +161,12 @@ public static bool Delete(DeleteServiceOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -185,10 +186,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the Service resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteServiceOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -225,10 +226,10 @@ public static ServiceResource Fetch(FetchServiceOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -249,10 +250,10 @@ public static ServiceResource Fetch(
         /// <param name="pathSid"> The SID of the Service resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchServiceOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -287,10 +288,10 @@ public static ResourceSet<ServiceResource> Read(ReadServiceOptions options, ITwi
         /// <param name="options"> Read Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ServiceResource>.FromJson("services", response.Content);
             return new ResourceSet<ServiceResource>(page, options, client);
@@ -319,10 +320,10 @@ public static ResourceSet<ServiceResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadServiceOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -409,11 +410,12 @@ public static ServiceResource Update(UpdateServiceOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -465,10 +467,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(
                                                                               bool? reachabilityDebouncingEnabled = null,
                                                                               int? reachabilityDebouncingWindow = null,
                                                                               bool? webhooksFromRestEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateServiceOptions(pathSid){ WebhookUrl = webhookUrl, FriendlyName = friendlyName, ReachabilityWebhooksEnabled = reachabilityWebhooksEnabled, AclEnabled = aclEnabled, ReachabilityDebouncingEnabled = reachabilityDebouncingEnabled, ReachabilityDebouncingWindow = reachabilityDebouncingWindow, WebhooksFromRestEnabled = webhooksFromRestEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/ActivityResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/ActivityResource.cs
index 305eb4f57..a263b7a22 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/ActivityResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/ActivityResource.cs
@@ -68,10 +68,10 @@ public static ActivityResource Create(CreateActivityOptions options, ITwilioRest
         /// <param name="options"> Create Activity parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Activity </returns>
-        public static async System.Threading.Tasks.Task<ActivityResource> CreateAsync(CreateActivityOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ActivityResource> CreateAsync(CreateActivityOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -103,10 +103,10 @@ public static async System.Threading.Tasks.Task<ActivityResource> CreateAsync(
                                                                                   string pathWorkspaceSid,
                                                                                   string friendlyName,
                                                                                   bool? available = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateActivityOptions(pathWorkspaceSid, friendlyName){  Available = available };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,11 +149,12 @@ public static bool Delete(DeleteActivityOptions options, ITwilioRestClient clien
         /// <param name="options"> Delete Activity parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Activity </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteActivityOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteActivityOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -175,10 +176,10 @@ public static bool Delete(string pathWorkspaceSid, string pathSid, ITwilioRestCl
         /// <param name="pathSid"> The SID of the Activity resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Activity </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteActivityOptions(pathWorkspaceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -217,10 +218,10 @@ public static ActivityResource Fetch(FetchActivityOptions options, ITwilioRestCl
         /// <param name="options"> Fetch Activity parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Activity </returns>
-        public static async System.Threading.Tasks.Task<ActivityResource> FetchAsync(FetchActivityOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ActivityResource> FetchAsync(FetchActivityOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -244,10 +245,10 @@ public static ActivityResource Fetch(
         /// <param name="pathSid"> The SID of the Activity resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Activity </returns>
-        public static async System.Threading.Tasks.Task<ActivityResource> FetchAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ActivityResource> FetchAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchActivityOptions(pathWorkspaceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -284,10 +285,10 @@ public static ResourceSet<ActivityResource> Read(ReadActivityOptions options, IT
         /// <param name="options"> Read Activity parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Activity </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ActivityResource>> ReadAsync(ReadActivityOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ActivityResource>> ReadAsync(ReadActivityOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ActivityResource>.FromJson("activities", response.Content);
             return new ResourceSet<ActivityResource>(page, options, client);
@@ -328,10 +329,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ActivityResource>> R
                                                                                              string available = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadActivityOptions(pathWorkspaceSid){ FriendlyName = friendlyName, Available = available, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -420,11 +421,12 @@ public static ActivityResource Update(UpdateActivityOptions options, ITwilioRest
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Activity </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ActivityResource> UpdateAsync(UpdateActivityOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ActivityResource> UpdateAsync(UpdateActivityOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -456,10 +458,10 @@ public static async System.Threading.Tasks.Task<ActivityResource> UpdateAsync(
                                                                               string pathWorkspaceSid,
                                                                               string pathSid,
                                                                               string friendlyName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateActivityOptions(pathWorkspaceSid, pathSid){ FriendlyName = friendlyName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/EventResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/EventResource.cs
index 0116441e8..249aa0bec 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/EventResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/EventResource.cs
@@ -69,10 +69,10 @@ public static EventResource Fetch(FetchEventOptions options, ITwilioRestClient c
         /// <param name="options"> Fetch Event parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Event </returns>
-        public static async System.Threading.Tasks.Task<EventResource> FetchAsync(FetchEventOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EventResource> FetchAsync(FetchEventOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +96,10 @@ public static EventResource Fetch(
         /// <param name="pathSid"> The SID of the Event resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Event </returns>
-        public static async System.Threading.Tasks.Task<EventResource> FetchAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EventResource> FetchAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchEventOptions(pathWorkspaceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -136,10 +136,10 @@ public static ResourceSet<EventResource> Read(ReadEventOptions options, ITwilioR
         /// <param name="options"> Read Event parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Event </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<EventResource>> ReadAsync(ReadEventOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<EventResource>> ReadAsync(ReadEventOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<EventResource>.FromJson("events", response.Content);
             return new ResourceSet<EventResource>(page, options, client);
@@ -216,10 +216,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<EventResource>> Read
                                                                                              string sid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadEventOptions(pathWorkspaceSid){ EndDate = endDate, EventType = eventType, Minutes = minutes, ReservationSid = reservationSid, StartDate = startDate, TaskQueueSid = taskQueueSid, TaskSid = taskSid, WorkerSid = workerSid, WorkflowSid = workflowSid, TaskChannel = taskChannel, Sid = sid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/Task/ReservationResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/Task/ReservationResource.cs
index d0d5323c9..59dc85307 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/Task/ReservationResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/Task/ReservationResource.cs
@@ -134,10 +134,10 @@ public static ReservationResource Fetch(FetchReservationOptions options, ITwilio
         /// <param name="options"> Fetch Reservation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Reservation </returns>
-        public static async System.Threading.Tasks.Task<ReservationResource> FetchAsync(FetchReservationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ReservationResource> FetchAsync(FetchReservationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -164,10 +164,10 @@ public static ReservationResource Fetch(
         /// <param name="pathSid"> The SID of the TaskReservation resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Reservation </returns>
-        public static async System.Threading.Tasks.Task<ReservationResource> FetchAsync(string pathWorkspaceSid, string pathTaskSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ReservationResource> FetchAsync(string pathWorkspaceSid, string pathTaskSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchReservationOptions(pathWorkspaceSid, pathTaskSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -206,10 +206,10 @@ public static ResourceSet<ReservationResource> Read(ReadReservationOptions optio
         /// <param name="options"> Read Reservation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Reservation </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ReservationResource>> ReadAsync(ReadReservationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ReservationResource>> ReadAsync(ReadReservationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ReservationResource>.FromJson("reservations", response.Content);
             return new ResourceSet<ReservationResource>(page, options, client);
@@ -254,10 +254,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ReservationResource>
                                                                                              string workerSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadReservationOptions(pathWorkspaceSid, pathTaskSid){ ReservationStatus = reservationStatus, WorkerSid = workerSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -348,11 +348,12 @@ public static ReservationResource Update(UpdateReservationOptions options, ITwil
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Reservation </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ReservationResource> UpdateAsync(UpdateReservationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ReservationResource> UpdateAsync(UpdateReservationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -604,10 +605,10 @@ public static async System.Threading.Tasks.Task<ReservationResource> UpdateAsync
                                                                               bool? beepOnCustomerEntrance = null,
                                                                               string jitterBufferSize = null,
                                                                               string ifMatch = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateReservationOptions(pathWorkspaceSid, pathTaskSid, pathSid){ ReservationStatus = reservationStatus, WorkerActivitySid = workerActivitySid, Instruction = instruction, DequeuePostWorkActivitySid = dequeuePostWorkActivitySid, DequeueFrom = dequeueFrom, DequeueRecord = dequeueRecord, DequeueTimeout = dequeueTimeout, DequeueTo = dequeueTo, DequeueStatusCallbackUrl = dequeueStatusCallbackUrl, CallFrom = callFrom, CallRecord = callRecord, CallTimeout = callTimeout, CallTo = callTo, CallUrl = callUrl, CallStatusCallbackUrl = callStatusCallbackUrl, CallAccept = callAccept, RedirectCallSid = redirectCallSid, RedirectAccept = redirectAccept, RedirectUrl = redirectUrl, To = to, From = from, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod, StatusCallbackEvent = statusCallbackEvent, Timeout = timeout, Record = record, Muted = muted, Beep = beep, StartConferenceOnEnter = startConferenceOnEnter, EndConferenceOnExit = endConferenceOnExit, WaitUrl = waitUrl, WaitMethod = waitMethod, EarlyMedia = earlyMedia, MaxParticipants = maxParticipants, ConferenceStatusCallback = conferenceStatusCallback, ConferenceStatusCallbackMethod = conferenceStatusCallbackMethod, ConferenceStatusCallbackEvent = conferenceStatusCallbackEvent, ConferenceRecord = conferenceRecord, ConferenceTrim = conferenceTrim, RecordingChannels = recordingChannels, RecordingStatusCallback = recordingStatusCallback, RecordingStatusCallbackMethod = recordingStatusCallbackMethod, ConferenceRecordingStatusCallback = conferenceRecordingStatusCallback, ConferenceRecordingStatusCallbackMethod = conferenceRecordingStatusCallbackMethod, Region = region, SipAuthUsername = sipAuthUsername, SipAuthPassword = sipAuthPassword, DequeueStatusCallbackEvent = dequeueStatusCallbackEvent, PostWorkActivitySid = postWorkActivitySid, SupervisorMode = supervisorMode, Supervisor = supervisor, EndConferenceOnCustomerExit = endConferenceOnCustomerExit, BeepOnCustomerEntrance = beepOnCustomerEntrance, JitterBufferSize = jitterBufferSize, IfMatch = ifMatch };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskChannelResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskChannelResource.cs
index 9abf127a1..b6eec5f82 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskChannelResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskChannelResource.cs
@@ -68,10 +68,10 @@ public static TaskChannelResource Create(CreateTaskChannelOptions options, ITwil
         /// <param name="options"> Create TaskChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskChannel </returns>
-        public static async System.Threading.Tasks.Task<TaskChannelResource> CreateAsync(CreateTaskChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskChannelResource> CreateAsync(CreateTaskChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -107,10 +107,10 @@ public static async System.Threading.Tasks.Task<TaskChannelResource> CreateAsync
                                                                                   string friendlyName,
                                                                                   string uniqueName,
                                                                                   bool? channelOptimizedRouting = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTaskChannelOptions(pathWorkspaceSid, friendlyName, uniqueName){  ChannelOptimizedRouting = channelOptimizedRouting };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -153,11 +153,12 @@ public static bool Delete(DeleteTaskChannelOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete TaskChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskChannel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTaskChannelOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTaskChannelOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -179,10 +180,10 @@ public static bool Delete(string pathWorkspaceSid, string pathSid, ITwilioRestCl
         /// <param name="pathSid"> The SID of the Task Channel resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskChannel </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteTaskChannelOptions(pathWorkspaceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -221,10 +222,10 @@ public static TaskChannelResource Fetch(FetchTaskChannelOptions options, ITwilio
         /// <param name="options"> Fetch TaskChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskChannel </returns>
-        public static async System.Threading.Tasks.Task<TaskChannelResource> FetchAsync(FetchTaskChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskChannelResource> FetchAsync(FetchTaskChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -248,10 +249,10 @@ public static TaskChannelResource Fetch(
         /// <param name="pathSid"> The SID of the Task Channel resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskChannel </returns>
-        public static async System.Threading.Tasks.Task<TaskChannelResource> FetchAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskChannelResource> FetchAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTaskChannelOptions(pathWorkspaceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -288,10 +289,10 @@ public static ResourceSet<TaskChannelResource> Read(ReadTaskChannelOptions optio
         /// <param name="options"> Read TaskChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskChannel </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TaskChannelResource>> ReadAsync(ReadTaskChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TaskChannelResource>> ReadAsync(ReadTaskChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<TaskChannelResource>.FromJson("channels", response.Content);
             return new ResourceSet<TaskChannelResource>(page, options, client);
@@ -324,10 +325,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<TaskChannelResource>
                                                                                              string pathWorkspaceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTaskChannelOptions(pathWorkspaceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -416,11 +417,12 @@ public static TaskChannelResource Update(UpdateTaskChannelOptions options, ITwil
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskChannel </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<TaskChannelResource> UpdateAsync(UpdateTaskChannelOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskChannelResource> UpdateAsync(UpdateTaskChannelOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -456,10 +458,10 @@ public static async System.Threading.Tasks.Task<TaskChannelResource> UpdateAsync
                                                                               string pathSid,
                                                                               string friendlyName = null,
                                                                               bool? channelOptimizedRouting = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateTaskChannelOptions(pathWorkspaceSid, pathSid){ FriendlyName = friendlyName, ChannelOptimizedRouting = channelOptimizedRouting };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueueBulkRealTimeStatisticsResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueueBulkRealTimeStatisticsResource.cs
index 30895d2f5..42c86fa0c 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueueBulkRealTimeStatisticsResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueueBulkRealTimeStatisticsResource.cs
@@ -69,10 +69,10 @@ public static TaskQueueBulkRealTimeStatisticsResource Create(CreateTaskQueueBulk
         /// <param name="options"> Create TaskQueueBulkRealTimeStatistics parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskQueueBulkRealTimeStatistics </returns>
-        public static async System.Threading.Tasks.Task<TaskQueueBulkRealTimeStatisticsResource> CreateAsync(CreateTaskQueueBulkRealTimeStatisticsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskQueueBulkRealTimeStatisticsResource> CreateAsync(CreateTaskQueueBulkRealTimeStatisticsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +96,10 @@ public static TaskQueueBulkRealTimeStatisticsResource Create(
         /// <returns> Task that resolves to A single instance of TaskQueueBulkRealTimeStatistics </returns>
         public static async System.Threading.Tasks.Task<TaskQueueBulkRealTimeStatisticsResource> CreateAsync(
                                                                                   string pathWorkspaceSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTaskQueueBulkRealTimeStatisticsOptions(pathWorkspaceSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueueCumulativeStatisticsResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueueCumulativeStatisticsResource.cs
index a673be313..bbfe6144a 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueueCumulativeStatisticsResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueueCumulativeStatisticsResource.cs
@@ -69,10 +69,10 @@ public static TaskQueueCumulativeStatisticsResource Fetch(FetchTaskQueueCumulati
         /// <param name="options"> Fetch TaskQueueCumulativeStatistics parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskQueueCumulativeStatistics </returns>
-        public static async System.Threading.Tasks.Task<TaskQueueCumulativeStatisticsResource> FetchAsync(FetchTaskQueueCumulativeStatisticsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskQueueCumulativeStatisticsResource> FetchAsync(FetchTaskQueueCumulativeStatisticsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -111,10 +111,10 @@ public static TaskQueueCumulativeStatisticsResource Fetch(
         /// <param name="splitByWaitTime"> A comma separated list of values that describes the thresholds, in seconds, to calculate statistics on. For each threshold specified, the number of Tasks canceled and reservations accepted above and below the specified thresholds in seconds are computed. TaskRouter will calculate statistics on up to 10,000 Tasks/Reservations for any given threshold. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskQueueCumulativeStatistics </returns>
-        public static async System.Threading.Tasks.Task<TaskQueueCumulativeStatisticsResource> FetchAsync(string pathWorkspaceSid, string pathTaskQueueSid, DateTime? endDate = null, int? minutes = null, DateTime? startDate = null, string taskChannel = null, string splitByWaitTime = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskQueueCumulativeStatisticsResource> FetchAsync(string pathWorkspaceSid, string pathTaskQueueSid, DateTime? endDate = null, int? minutes = null, DateTime? startDate = null, string taskChannel = null, string splitByWaitTime = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTaskQueueCumulativeStatisticsOptions(pathWorkspaceSid, pathTaskQueueSid){ EndDate = endDate,Minutes = minutes,StartDate = startDate,TaskChannel = taskChannel,SplitByWaitTime = splitByWaitTime };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueueRealTimeStatisticsResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueueRealTimeStatisticsResource.cs
index 09d44030d..25ec78301 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueueRealTimeStatisticsResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueueRealTimeStatisticsResource.cs
@@ -69,10 +69,10 @@ public static TaskQueueRealTimeStatisticsResource Fetch(FetchTaskQueueRealTimeSt
         /// <param name="options"> Fetch TaskQueueRealTimeStatistics parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskQueueRealTimeStatistics </returns>
-        public static async System.Threading.Tasks.Task<TaskQueueRealTimeStatisticsResource> FetchAsync(FetchTaskQueueRealTimeStatisticsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskQueueRealTimeStatisticsResource> FetchAsync(FetchTaskQueueRealTimeStatisticsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static TaskQueueRealTimeStatisticsResource Fetch(
         /// <param name="taskChannel"> The TaskChannel for which to fetch statistics. Can be the TaskChannel's SID or its `unique_name`, such as `voice`, `sms`, or `default`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskQueueRealTimeStatistics </returns>
-        public static async System.Threading.Tasks.Task<TaskQueueRealTimeStatisticsResource> FetchAsync(string pathWorkspaceSid, string pathTaskQueueSid, string taskChannel = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskQueueRealTimeStatisticsResource> FetchAsync(string pathWorkspaceSid, string pathTaskQueueSid, string taskChannel = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTaskQueueRealTimeStatisticsOptions(pathWorkspaceSid, pathTaskQueueSid){ TaskChannel = taskChannel };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueueStatisticsResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueueStatisticsResource.cs
index 24967937e..2a2112317 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueueStatisticsResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueueStatisticsResource.cs
@@ -69,10 +69,10 @@ public static TaskQueueStatisticsResource Fetch(FetchTaskQueueStatisticsOptions
         /// <param name="options"> Fetch TaskQueueStatistics parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskQueueStatistics </returns>
-        public static async System.Threading.Tasks.Task<TaskQueueStatisticsResource> FetchAsync(FetchTaskQueueStatisticsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskQueueStatisticsResource> FetchAsync(FetchTaskQueueStatisticsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -111,10 +111,10 @@ public static TaskQueueStatisticsResource Fetch(
         /// <param name="splitByWaitTime"> A comma separated list of values that describes the thresholds, in seconds, to calculate statistics on. For each threshold specified, the number of Tasks canceled and reservations accepted above and below the specified thresholds in seconds are computed. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskQueueStatistics </returns>
-        public static async System.Threading.Tasks.Task<TaskQueueStatisticsResource> FetchAsync(string pathWorkspaceSid, string pathTaskQueueSid, DateTime? endDate = null, int? minutes = null, DateTime? startDate = null, string taskChannel = null, string splitByWaitTime = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskQueueStatisticsResource> FetchAsync(string pathWorkspaceSid, string pathTaskQueueSid, DateTime? endDate = null, int? minutes = null, DateTime? startDate = null, string taskChannel = null, string splitByWaitTime = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTaskQueueStatisticsOptions(pathWorkspaceSid, pathTaskQueueSid){ EndDate = endDate,Minutes = minutes,StartDate = startDate,TaskChannel = taskChannel,SplitByWaitTime = splitByWaitTime };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueuesStatisticsResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueuesStatisticsResource.cs
index 3f23d3a0a..40ca801bc 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueuesStatisticsResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueue/TaskQueuesStatisticsResource.cs
@@ -67,10 +67,10 @@ public static ResourceSet<TaskQueuesStatisticsResource> Read(ReadTaskQueuesStati
         /// <param name="options"> Read TaskQueuesStatistics parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskQueuesStatistics </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TaskQueuesStatisticsResource>> ReadAsync(ReadTaskQueuesStatisticsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TaskQueuesStatisticsResource>> ReadAsync(ReadTaskQueuesStatisticsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<TaskQueuesStatisticsResource>.FromJson("task_queues_statistics", response.Content);
             return new ResourceSet<TaskQueuesStatisticsResource>(page, options, client);
@@ -127,10 +127,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<TaskQueuesStatistics
                                                                                              string splitByWaitTime = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTaskQueuesStatisticsOptions(pathWorkspaceSid){ EndDate = endDate, FriendlyName = friendlyName, Minutes = minutes, StartDate = startDate, TaskChannel = taskChannel, SplitByWaitTime = splitByWaitTime, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueueResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueueResource.cs
index 8ad0b74a5..6493105cc 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueueResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskQueueResource.cs
@@ -81,10 +81,10 @@ public static TaskQueueResource Create(CreateTaskQueueOptions options, ITwilioRe
         /// <param name="options"> Create TaskQueue parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskQueue </returns>
-        public static async System.Threading.Tasks.Task<TaskQueueResource> CreateAsync(CreateTaskQueueOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskQueueResource> CreateAsync(CreateTaskQueueOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -132,10 +132,10 @@ public static async System.Threading.Tasks.Task<TaskQueueResource> CreateAsync(
                                                                                   TaskQueueResource.TaskOrderEnum taskOrder = null,
                                                                                   string reservationActivitySid = null,
                                                                                   string assignmentActivitySid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTaskQueueOptions(pathWorkspaceSid, friendlyName){  TargetWorkers = targetWorkers, MaxReservedWorkers = maxReservedWorkers, TaskOrder = taskOrder, ReservationActivitySid = reservationActivitySid, AssignmentActivitySid = assignmentActivitySid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -178,11 +178,12 @@ public static bool Delete(DeleteTaskQueueOptions options, ITwilioRestClient clie
         /// <param name="options"> Delete TaskQueue parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskQueue </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTaskQueueOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTaskQueueOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -204,10 +205,10 @@ public static bool Delete(string pathWorkspaceSid, string pathSid, ITwilioRestCl
         /// <param name="pathSid"> The SID of the TaskQueue resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskQueue </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteTaskQueueOptions(pathWorkspaceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -246,10 +247,10 @@ public static TaskQueueResource Fetch(FetchTaskQueueOptions options, ITwilioRest
         /// <param name="options"> Fetch TaskQueue parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskQueue </returns>
-        public static async System.Threading.Tasks.Task<TaskQueueResource> FetchAsync(FetchTaskQueueOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskQueueResource> FetchAsync(FetchTaskQueueOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -273,10 +274,10 @@ public static TaskQueueResource Fetch(
         /// <param name="pathSid"> The SID of the TaskQueue resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskQueue </returns>
-        public static async System.Threading.Tasks.Task<TaskQueueResource> FetchAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskQueueResource> FetchAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTaskQueueOptions(pathWorkspaceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -313,10 +314,10 @@ public static ResourceSet<TaskQueueResource> Read(ReadTaskQueueOptions options,
         /// <param name="options"> Read TaskQueue parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskQueue </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TaskQueueResource>> ReadAsync(ReadTaskQueueOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TaskQueueResource>> ReadAsync(ReadTaskQueueOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<TaskQueueResource>.FromJson("task_queues", response.Content);
             return new ResourceSet<TaskQueueResource>(page, options, client);
@@ -365,10 +366,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<TaskQueueResource>>
                                                                                              string ordering = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTaskQueueOptions(pathWorkspaceSid){ FriendlyName = friendlyName, EvaluateWorkerAttributes = evaluateWorkerAttributes, WorkerSid = workerSid, Ordering = ordering, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -457,11 +458,12 @@ public static TaskQueueResource Update(UpdateTaskQueueOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TaskQueue </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<TaskQueueResource> UpdateAsync(UpdateTaskQueueOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskQueueResource> UpdateAsync(UpdateTaskQueueOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -513,10 +515,10 @@ public static async System.Threading.Tasks.Task<TaskQueueResource> UpdateAsync(
                                                                               string assignmentActivitySid = null,
                                                                               int? maxReservedWorkers = null,
                                                                               TaskQueueResource.TaskOrderEnum taskOrder = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateTaskQueueOptions(pathWorkspaceSid, pathSid){ FriendlyName = friendlyName, TargetWorkers = targetWorkers, ReservationActivitySid = reservationActivitySid, AssignmentActivitySid = assignmentActivitySid, MaxReservedWorkers = maxReservedWorkers, TaskOrder = taskOrder };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskResource.cs
index 306641a06..cc1f9ae2f 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/TaskResource.cs
@@ -85,10 +85,10 @@ public static TaskResource Create(CreateTaskOptions options, ITwilioRestClient c
         /// <param name="options"> Create Task parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Task </returns>
-        public static async System.Threading.Tasks.Task<TaskResource> CreateAsync(CreateTaskOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskResource> CreateAsync(CreateTaskOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -148,10 +148,10 @@ public static async System.Threading.Tasks.Task<TaskResource> CreateAsync(
                                                                                   string routingTarget = null,
                                                                                   string ignoreCapacity = null,
                                                                                   string taskQueueSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTaskOptions(pathWorkspaceSid){  Timeout = timeout, Priority = priority, TaskChannel = taskChannel, WorkflowSid = workflowSid, Attributes = attributes, VirtualStartTime = virtualStartTime, RoutingTarget = routingTarget, IgnoreCapacity = ignoreCapacity, TaskQueueSid = taskQueueSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -194,11 +194,12 @@ public static bool Delete(DeleteTaskOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete Task parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Task </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTaskOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTaskOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -222,10 +223,10 @@ public static bool Delete(string pathWorkspaceSid, string pathSid, string ifMatc
         /// <param name="ifMatch"> If provided, deletes this Task if (and only if) the [ETag](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ETag) header of the Task matches the provided value. This matches the semantics of (and is implemented with) the HTTP [If-Match header](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Match). </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Task </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathWorkspaceSid, string pathSid, string ifMatch = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathWorkspaceSid, string pathSid, string ifMatch = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteTaskOptions(pathWorkspaceSid, pathSid)  { IfMatch = ifMatch };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -264,10 +265,10 @@ public static TaskResource Fetch(FetchTaskOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Task parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Task </returns>
-        public static async System.Threading.Tasks.Task<TaskResource> FetchAsync(FetchTaskOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskResource> FetchAsync(FetchTaskOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -291,10 +292,10 @@ public static TaskResource Fetch(
         /// <param name="pathSid"> The SID of the Task resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Task </returns>
-        public static async System.Threading.Tasks.Task<TaskResource> FetchAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskResource> FetchAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTaskOptions(pathWorkspaceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -331,10 +332,10 @@ public static ResourceSet<TaskResource> Read(ReadTaskOptions options, ITwilioRes
         /// <param name="options"> Read Task parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Task </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TaskResource>> ReadAsync(ReadTaskOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TaskResource>> ReadAsync(ReadTaskOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<TaskResource>.FromJson("tasks", response.Content);
             return new ResourceSet<TaskResource>(page, options, client);
@@ -407,10 +408,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<TaskResource>> ReadA
                                                                                              bool? hasAddons = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTaskOptions(pathWorkspaceSid){ Priority = priority, AssignmentStatus = assignmentStatus, WorkflowSid = workflowSid, WorkflowName = workflowName, TaskQueueSid = taskQueueSid, TaskQueueName = taskQueueName, EvaluateTaskAttributes = evaluateTaskAttributes, RoutingTarget = routingTarget, Ordering = ordering, HasAddons = hasAddons, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -499,11 +500,12 @@ public static TaskResource Update(UpdateTaskOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Task </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<TaskResource> UpdateAsync(UpdateTaskOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TaskResource> UpdateAsync(UpdateTaskOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -559,10 +561,10 @@ public static async System.Threading.Tasks.Task<TaskResource> UpdateAsync(
                                                                               string taskChannel = null,
                                                                               DateTime? virtualStartTime = null,
                                                                               string ifMatch = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateTaskOptions(pathWorkspaceSid, pathSid){ Attributes = attributes, AssignmentStatus = assignmentStatus, Reason = reason, Priority = priority, TaskChannel = taskChannel, VirtualStartTime = virtualStartTime, IfMatch = ifMatch };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/ReservationResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/ReservationResource.cs
index 1093973bf..45dda1d92 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/ReservationResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/ReservationResource.cs
@@ -121,10 +121,10 @@ public static ReservationResource Fetch(FetchReservationOptions options, ITwilio
         /// <param name="options"> Fetch Reservation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Reservation </returns>
-        public static async System.Threading.Tasks.Task<ReservationResource> FetchAsync(FetchReservationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ReservationResource> FetchAsync(FetchReservationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -151,10 +151,10 @@ public static ReservationResource Fetch(
         /// <param name="pathSid"> The SID of the WorkerReservation resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Reservation </returns>
-        public static async System.Threading.Tasks.Task<ReservationResource> FetchAsync(string pathWorkspaceSid, string pathWorkerSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ReservationResource> FetchAsync(string pathWorkspaceSid, string pathWorkerSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchReservationOptions(pathWorkspaceSid, pathWorkerSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -193,10 +193,10 @@ public static ResourceSet<ReservationResource> Read(ReadReservationOptions optio
         /// <param name="options"> Read Reservation parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Reservation </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ReservationResource>> ReadAsync(ReadReservationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ReservationResource>> ReadAsync(ReadReservationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ReservationResource>.FromJson("reservations", response.Content);
             return new ResourceSet<ReservationResource>(page, options, client);
@@ -237,10 +237,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ReservationResource>
                                                                                              ReservationResource.StatusEnum reservationStatus = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadReservationOptions(pathWorkspaceSid, pathWorkerSid){ ReservationStatus = reservationStatus, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -331,11 +331,12 @@ public static ReservationResource Update(UpdateReservationOptions options, ITwil
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Reservation </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ReservationResource> UpdateAsync(UpdateReservationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ReservationResource> UpdateAsync(UpdateReservationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -579,10 +580,10 @@ public static async System.Threading.Tasks.Task<ReservationResource> UpdateAsync
                                                                               bool? beepOnCustomerEntrance = null,
                                                                               string jitterBufferSize = null,
                                                                               string ifMatch = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateReservationOptions(pathWorkspaceSid, pathWorkerSid, pathSid){ ReservationStatus = reservationStatus, WorkerActivitySid = workerActivitySid, Instruction = instruction, DequeuePostWorkActivitySid = dequeuePostWorkActivitySid, DequeueFrom = dequeueFrom, DequeueRecord = dequeueRecord, DequeueTimeout = dequeueTimeout, DequeueTo = dequeueTo, DequeueStatusCallbackUrl = dequeueStatusCallbackUrl, CallFrom = callFrom, CallRecord = callRecord, CallTimeout = callTimeout, CallTo = callTo, CallUrl = callUrl, CallStatusCallbackUrl = callStatusCallbackUrl, CallAccept = callAccept, RedirectCallSid = redirectCallSid, RedirectAccept = redirectAccept, RedirectUrl = redirectUrl, To = to, From = from, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod, StatusCallbackEvent = statusCallbackEvent, Timeout = timeout, Record = record, Muted = muted, Beep = beep, StartConferenceOnEnter = startConferenceOnEnter, EndConferenceOnExit = endConferenceOnExit, WaitUrl = waitUrl, WaitMethod = waitMethod, EarlyMedia = earlyMedia, MaxParticipants = maxParticipants, ConferenceStatusCallback = conferenceStatusCallback, ConferenceStatusCallbackMethod = conferenceStatusCallbackMethod, ConferenceStatusCallbackEvent = conferenceStatusCallbackEvent, ConferenceRecord = conferenceRecord, ConferenceTrim = conferenceTrim, RecordingChannels = recordingChannels, RecordingStatusCallback = recordingStatusCallback, RecordingStatusCallbackMethod = recordingStatusCallbackMethod, ConferenceRecordingStatusCallback = conferenceRecordingStatusCallback, ConferenceRecordingStatusCallbackMethod = conferenceRecordingStatusCallbackMethod, Region = region, SipAuthUsername = sipAuthUsername, SipAuthPassword = sipAuthPassword, DequeueStatusCallbackEvent = dequeueStatusCallbackEvent, PostWorkActivitySid = postWorkActivitySid, EndConferenceOnCustomerExit = endConferenceOnCustomerExit, BeepOnCustomerEntrance = beepOnCustomerEntrance, JitterBufferSize = jitterBufferSize, IfMatch = ifMatch };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkerChannelResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkerChannelResource.cs
index 7167cae1c..357475376 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkerChannelResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkerChannelResource.cs
@@ -71,10 +71,10 @@ public static WorkerChannelResource Fetch(FetchWorkerChannelOptions options, ITw
         /// <param name="options"> Fetch WorkerChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkerChannel </returns>
-        public static async System.Threading.Tasks.Task<WorkerChannelResource> FetchAsync(FetchWorkerChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkerChannelResource> FetchAsync(FetchWorkerChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static WorkerChannelResource Fetch(
         /// <param name="pathSid"> The SID of the WorkerChannel to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkerChannel </returns>
-        public static async System.Threading.Tasks.Task<WorkerChannelResource> FetchAsync(string pathWorkspaceSid, string pathWorkerSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkerChannelResource> FetchAsync(string pathWorkspaceSid, string pathWorkerSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWorkerChannelOptions(pathWorkspaceSid, pathWorkerSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -143,10 +143,10 @@ public static ResourceSet<WorkerChannelResource> Read(ReadWorkerChannelOptions o
         /// <param name="options"> Read WorkerChannel parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkerChannel </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<WorkerChannelResource>> ReadAsync(ReadWorkerChannelOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<WorkerChannelResource>> ReadAsync(ReadWorkerChannelOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<WorkerChannelResource>.FromJson("channels", response.Content);
             return new ResourceSet<WorkerChannelResource>(page, options, client);
@@ -183,10 +183,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<WorkerChannelResourc
                                                                                              string pathWorkerSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadWorkerChannelOptions(pathWorkspaceSid, pathWorkerSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -277,11 +277,12 @@ public static WorkerChannelResource Update(UpdateWorkerChannelOptions options, I
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkerChannel </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<WorkerChannelResource> UpdateAsync(UpdateWorkerChannelOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkerChannelResource> UpdateAsync(UpdateWorkerChannelOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -321,10 +322,10 @@ public static async System.Threading.Tasks.Task<WorkerChannelResource> UpdateAsy
                                                                               string pathSid,
                                                                               int? capacity = null,
                                                                               bool? available = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateWorkerChannelOptions(pathWorkspaceSid, pathWorkerSid, pathSid){ Capacity = capacity, Available = available };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkerStatisticsResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkerStatisticsResource.cs
index bdeffe5e6..6282f78b7 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkerStatisticsResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkerStatisticsResource.cs
@@ -69,10 +69,10 @@ public static WorkerStatisticsResource Fetch(FetchWorkerStatisticsOptions option
         /// <param name="options"> Fetch WorkerStatistics parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkerStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkerStatisticsResource> FetchAsync(FetchWorkerStatisticsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkerStatisticsResource> FetchAsync(FetchWorkerStatisticsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -108,10 +108,10 @@ public static WorkerStatisticsResource Fetch(
         /// <param name="taskChannel"> Only calculate statistics on this TaskChannel. Can be the TaskChannel's SID or its `unique_name`, such as `voice`, `sms`, or `default`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkerStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkerStatisticsResource> FetchAsync(string pathWorkspaceSid, string pathWorkerSid, int? minutes = null, DateTime? startDate = null, DateTime? endDate = null, string taskChannel = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkerStatisticsResource> FetchAsync(string pathWorkspaceSid, string pathWorkerSid, int? minutes = null, DateTime? startDate = null, DateTime? endDate = null, string taskChannel = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWorkerStatisticsOptions(pathWorkspaceSid, pathWorkerSid){ Minutes = minutes,StartDate = startDate,EndDate = endDate,TaskChannel = taskChannel };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkersCumulativeStatisticsResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkersCumulativeStatisticsResource.cs
index fb6cb3a70..77b1608b5 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkersCumulativeStatisticsResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkersCumulativeStatisticsResource.cs
@@ -67,10 +67,10 @@ public static WorkersCumulativeStatisticsResource Fetch(FetchWorkersCumulativeSt
         /// <param name="options"> Fetch WorkersCumulativeStatistics parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkersCumulativeStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkersCumulativeStatisticsResource> FetchAsync(FetchWorkersCumulativeStatisticsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkersCumulativeStatisticsResource> FetchAsync(FetchWorkersCumulativeStatisticsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -103,10 +103,10 @@ public static WorkersCumulativeStatisticsResource Fetch(
         /// <param name="taskChannel"> Only calculate cumulative statistics on this TaskChannel. Can be the TaskChannel's SID or its `unique_name`, such as `voice`, `sms`, or `default`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkersCumulativeStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkersCumulativeStatisticsResource> FetchAsync(string pathWorkspaceSid, DateTime? endDate = null, int? minutes = null, DateTime? startDate = null, string taskChannel = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkersCumulativeStatisticsResource> FetchAsync(string pathWorkspaceSid, DateTime? endDate = null, int? minutes = null, DateTime? startDate = null, string taskChannel = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWorkersCumulativeStatisticsOptions(pathWorkspaceSid){ EndDate = endDate,Minutes = minutes,StartDate = startDate,TaskChannel = taskChannel };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkersRealTimeStatisticsResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkersRealTimeStatisticsResource.cs
index dc95ecebb..f4f119ebc 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkersRealTimeStatisticsResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkersRealTimeStatisticsResource.cs
@@ -67,10 +67,10 @@ public static WorkersRealTimeStatisticsResource Fetch(FetchWorkersRealTimeStatis
         /// <param name="options"> Fetch WorkersRealTimeStatistics parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkersRealTimeStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkersRealTimeStatisticsResource> FetchAsync(FetchWorkersRealTimeStatisticsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkersRealTimeStatisticsResource> FetchAsync(FetchWorkersRealTimeStatisticsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -94,10 +94,10 @@ public static WorkersRealTimeStatisticsResource Fetch(
         /// <param name="taskChannel"> Only calculate real-time statistics on this TaskChannel. Can be the TaskChannel's SID or its `unique_name`, such as `voice`, `sms`, or `default`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkersRealTimeStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkersRealTimeStatisticsResource> FetchAsync(string pathWorkspaceSid, string taskChannel = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkersRealTimeStatisticsResource> FetchAsync(string pathWorkspaceSid, string taskChannel = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWorkersRealTimeStatisticsOptions(pathWorkspaceSid){ TaskChannel = taskChannel };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkersStatisticsResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkersStatisticsResource.cs
index ce8e87392..f28e0d991 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkersStatisticsResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/Worker/WorkersStatisticsResource.cs
@@ -67,10 +67,10 @@ public static WorkersStatisticsResource Fetch(FetchWorkersStatisticsOptions opti
         /// <param name="options"> Fetch WorkersStatistics parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkersStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkersStatisticsResource> FetchAsync(FetchWorkersStatisticsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkersStatisticsResource> FetchAsync(FetchWorkersStatisticsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -112,10 +112,10 @@ public static WorkersStatisticsResource Fetch(
         /// <param name="taskChannel"> Only calculate statistics on this TaskChannel. Can be the TaskChannel's SID or its `unique_name`, such as `voice`, `sms`, or `default`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkersStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkersStatisticsResource> FetchAsync(string pathWorkspaceSid, int? minutes = null, DateTime? startDate = null, DateTime? endDate = null, string taskQueueSid = null, string taskQueueName = null, string friendlyName = null, string taskChannel = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkersStatisticsResource> FetchAsync(string pathWorkspaceSid, int? minutes = null, DateTime? startDate = null, DateTime? endDate = null, string taskQueueSid = null, string taskQueueName = null, string friendlyName = null, string taskChannel = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWorkersStatisticsOptions(pathWorkspaceSid){ Minutes = minutes,StartDate = startDate,EndDate = endDate,TaskQueueSid = taskQueueSid,TaskQueueName = taskQueueName,FriendlyName = friendlyName,TaskChannel = taskChannel };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkerResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkerResource.cs
index 0c576e748..0ace6c483 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkerResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkerResource.cs
@@ -68,10 +68,10 @@ public static WorkerResource Create(CreateWorkerOptions options, ITwilioRestClie
         /// <param name="options"> Create Worker parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Worker </returns>
-        public static async System.Threading.Tasks.Task<WorkerResource> CreateAsync(CreateWorkerOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkerResource> CreateAsync(CreateWorkerOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -107,10 +107,10 @@ public static async System.Threading.Tasks.Task<WorkerResource> CreateAsync(
                                                                                   string friendlyName,
                                                                                   string activitySid = null,
                                                                                   string attributes = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateWorkerOptions(pathWorkspaceSid, friendlyName){  ActivitySid = activitySid, Attributes = attributes };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -153,11 +153,12 @@ public static bool Delete(DeleteWorkerOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Worker parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Worker </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWorkerOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWorkerOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -181,10 +182,10 @@ public static bool Delete(string pathWorkspaceSid, string pathSid, string ifMatc
         /// <param name="ifMatch"> The If-Match HTTP request header </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Worker </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathWorkspaceSid, string pathSid, string ifMatch = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathWorkspaceSid, string pathSid, string ifMatch = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteWorkerOptions(pathWorkspaceSid, pathSid)  { IfMatch = ifMatch };
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -223,10 +224,10 @@ public static WorkerResource Fetch(FetchWorkerOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Worker parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Worker </returns>
-        public static async System.Threading.Tasks.Task<WorkerResource> FetchAsync(FetchWorkerOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkerResource> FetchAsync(FetchWorkerOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -250,10 +251,10 @@ public static WorkerResource Fetch(
         /// <param name="pathSid"> The SID of the Worker resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Worker </returns>
-        public static async System.Threading.Tasks.Task<WorkerResource> FetchAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkerResource> FetchAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWorkerOptions(pathWorkspaceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -290,10 +291,10 @@ public static ResourceSet<WorkerResource> Read(ReadWorkerOptions options, ITwili
         /// <param name="options"> Read Worker parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Worker </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<WorkerResource>> ReadAsync(ReadWorkerOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<WorkerResource>> ReadAsync(ReadWorkerOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<WorkerResource>.FromJson("workers", response.Content);
             return new ResourceSet<WorkerResource>(page, options, client);
@@ -358,10 +359,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<WorkerResource>> Rea
                                                                                              string ordering = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadWorkerOptions(pathWorkspaceSid){ ActivityName = activityName, ActivitySid = activitySid, Available = available, FriendlyName = friendlyName, TargetWorkersExpression = targetWorkersExpression, TaskQueueName = taskQueueName, TaskQueueSid = taskQueueSid, Ordering = ordering, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -450,11 +451,12 @@ public static WorkerResource Update(UpdateWorkerOptions options, ITwilioRestClie
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Worker </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<WorkerResource> UpdateAsync(UpdateWorkerOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkerResource> UpdateAsync(UpdateWorkerOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -502,10 +504,10 @@ public static async System.Threading.Tasks.Task<WorkerResource> UpdateAsync(
                                                                               string friendlyName = null,
                                                                               bool? rejectPendingReservations = null,
                                                                               string ifMatch = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateWorkerOptions(pathWorkspaceSid, pathSid){ ActivitySid = activitySid, Attributes = attributes, FriendlyName = friendlyName, RejectPendingReservations = rejectPendingReservations, IfMatch = ifMatch };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/Workflow/WorkflowCumulativeStatisticsResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/Workflow/WorkflowCumulativeStatisticsResource.cs
index dbd08cee3..61fad95ff 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/Workflow/WorkflowCumulativeStatisticsResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/Workflow/WorkflowCumulativeStatisticsResource.cs
@@ -69,10 +69,10 @@ public static WorkflowCumulativeStatisticsResource Fetch(FetchWorkflowCumulative
         /// <param name="options"> Fetch WorkflowCumulativeStatistics parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkflowCumulativeStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkflowCumulativeStatisticsResource> FetchAsync(FetchWorkflowCumulativeStatisticsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkflowCumulativeStatisticsResource> FetchAsync(FetchWorkflowCumulativeStatisticsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -111,10 +111,10 @@ public static WorkflowCumulativeStatisticsResource Fetch(
         /// <param name="splitByWaitTime"> A comma separated list of values that describes the thresholds, in seconds, to calculate statistics on. For each threshold specified, the number of Tasks canceled and reservations accepted above and below the specified thresholds in seconds are computed. For example, `5,30` would show splits of Tasks that were canceled or accepted before and after 5 seconds and before and after 30 seconds. This can be used to show short abandoned Tasks or Tasks that failed to meet an SLA. TaskRouter will calculate statistics on up to 10,000 Tasks for any given threshold. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkflowCumulativeStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkflowCumulativeStatisticsResource> FetchAsync(string pathWorkspaceSid, string pathWorkflowSid, DateTime? endDate = null, int? minutes = null, DateTime? startDate = null, string taskChannel = null, string splitByWaitTime = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkflowCumulativeStatisticsResource> FetchAsync(string pathWorkspaceSid, string pathWorkflowSid, DateTime? endDate = null, int? minutes = null, DateTime? startDate = null, string taskChannel = null, string splitByWaitTime = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWorkflowCumulativeStatisticsOptions(pathWorkspaceSid, pathWorkflowSid){ EndDate = endDate,Minutes = minutes,StartDate = startDate,TaskChannel = taskChannel,SplitByWaitTime = splitByWaitTime };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/Workflow/WorkflowRealTimeStatisticsResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/Workflow/WorkflowRealTimeStatisticsResource.cs
index c0682d4e7..ba9cdae97 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/Workflow/WorkflowRealTimeStatisticsResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/Workflow/WorkflowRealTimeStatisticsResource.cs
@@ -69,10 +69,10 @@ public static WorkflowRealTimeStatisticsResource Fetch(FetchWorkflowRealTimeStat
         /// <param name="options"> Fetch WorkflowRealTimeStatistics parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkflowRealTimeStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkflowRealTimeStatisticsResource> FetchAsync(FetchWorkflowRealTimeStatisticsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkflowRealTimeStatisticsResource> FetchAsync(FetchWorkflowRealTimeStatisticsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static WorkflowRealTimeStatisticsResource Fetch(
         /// <param name="taskChannel"> Only calculate real-time statistics on this TaskChannel. Can be the TaskChannel's SID or its `unique_name`, such as `voice`, `sms`, or `default`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkflowRealTimeStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkflowRealTimeStatisticsResource> FetchAsync(string pathWorkspaceSid, string pathWorkflowSid, string taskChannel = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkflowRealTimeStatisticsResource> FetchAsync(string pathWorkspaceSid, string pathWorkflowSid, string taskChannel = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWorkflowRealTimeStatisticsOptions(pathWorkspaceSid, pathWorkflowSid){ TaskChannel = taskChannel };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/Workflow/WorkflowStatisticsResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/Workflow/WorkflowStatisticsResource.cs
index 56ca7dcc2..18b5bda83 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/Workflow/WorkflowStatisticsResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/Workflow/WorkflowStatisticsResource.cs
@@ -69,10 +69,10 @@ public static WorkflowStatisticsResource Fetch(FetchWorkflowStatisticsOptions op
         /// <param name="options"> Fetch WorkflowStatistics parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkflowStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkflowStatisticsResource> FetchAsync(FetchWorkflowStatisticsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkflowStatisticsResource> FetchAsync(FetchWorkflowStatisticsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -111,10 +111,10 @@ public static WorkflowStatisticsResource Fetch(
         /// <param name="splitByWaitTime"> A comma separated list of values that describes the thresholds, in seconds, to calculate statistics on. For each threshold specified, the number of Tasks canceled and reservations accepted above and below the specified thresholds in seconds are computed. For example, `5,30` would show splits of Tasks that were canceled or accepted before and after 5 seconds and before and after 30 seconds. This can be used to show short abandoned Tasks or Tasks that failed to meet an SLA. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkflowStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkflowStatisticsResource> FetchAsync(string pathWorkspaceSid, string pathWorkflowSid, int? minutes = null, DateTime? startDate = null, DateTime? endDate = null, string taskChannel = null, string splitByWaitTime = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkflowStatisticsResource> FetchAsync(string pathWorkspaceSid, string pathWorkflowSid, int? minutes = null, DateTime? startDate = null, DateTime? endDate = null, string taskChannel = null, string splitByWaitTime = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWorkflowStatisticsOptions(pathWorkspaceSid, pathWorkflowSid){ Minutes = minutes,StartDate = startDate,EndDate = endDate,TaskChannel = taskChannel,SplitByWaitTime = splitByWaitTime };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkflowResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkflowResource.cs
index 9feff7572..b62735f7f 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkflowResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkflowResource.cs
@@ -68,10 +68,10 @@ public static WorkflowResource Create(CreateWorkflowOptions options, ITwilioRest
         /// <param name="options"> Create Workflow parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Workflow </returns>
-        public static async System.Threading.Tasks.Task<WorkflowResource> CreateAsync(CreateWorkflowOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkflowResource> CreateAsync(CreateWorkflowOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -115,10 +115,10 @@ public static async System.Threading.Tasks.Task<WorkflowResource> CreateAsync(
                                                                                   Uri assignmentCallbackUrl = null,
                                                                                   Uri fallbackAssignmentCallbackUrl = null,
                                                                                   int? taskReservationTimeout = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateWorkflowOptions(pathWorkspaceSid, friendlyName, configuration){  AssignmentCallbackUrl = assignmentCallbackUrl, FallbackAssignmentCallbackUrl = fallbackAssignmentCallbackUrl, TaskReservationTimeout = taskReservationTimeout };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -161,11 +161,12 @@ public static bool Delete(DeleteWorkflowOptions options, ITwilioRestClient clien
         /// <param name="options"> Delete Workflow parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Workflow </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWorkflowOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWorkflowOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -187,10 +188,10 @@ public static bool Delete(string pathWorkspaceSid, string pathSid, ITwilioRestCl
         /// <param name="pathSid"> The SID of the Workflow resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Workflow </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteWorkflowOptions(pathWorkspaceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -229,10 +230,10 @@ public static WorkflowResource Fetch(FetchWorkflowOptions options, ITwilioRestCl
         /// <param name="options"> Fetch Workflow parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Workflow </returns>
-        public static async System.Threading.Tasks.Task<WorkflowResource> FetchAsync(FetchWorkflowOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkflowResource> FetchAsync(FetchWorkflowOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -256,10 +257,10 @@ public static WorkflowResource Fetch(
         /// <param name="pathSid"> The SID of the Workflow resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Workflow </returns>
-        public static async System.Threading.Tasks.Task<WorkflowResource> FetchAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkflowResource> FetchAsync(string pathWorkspaceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWorkflowOptions(pathWorkspaceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -296,10 +297,10 @@ public static ResourceSet<WorkflowResource> Read(ReadWorkflowOptions options, IT
         /// <param name="options"> Read Workflow parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Workflow </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<WorkflowResource>> ReadAsync(ReadWorkflowOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<WorkflowResource>> ReadAsync(ReadWorkflowOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<WorkflowResource>.FromJson("workflows", response.Content);
             return new ResourceSet<WorkflowResource>(page, options, client);
@@ -336,10 +337,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<WorkflowResource>> R
                                                                                              string friendlyName = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadWorkflowOptions(pathWorkspaceSid){ FriendlyName = friendlyName, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -428,11 +429,12 @@ public static WorkflowResource Update(UpdateWorkflowOptions options, ITwilioRest
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Workflow </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<WorkflowResource> UpdateAsync(UpdateWorkflowOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkflowResource> UpdateAsync(UpdateWorkflowOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -484,10 +486,10 @@ public static async System.Threading.Tasks.Task<WorkflowResource> UpdateAsync(
                                                                               string configuration = null,
                                                                               int? taskReservationTimeout = null,
                                                                               string reEvaluateTasks = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateWorkflowOptions(pathWorkspaceSid, pathSid){ FriendlyName = friendlyName, AssignmentCallbackUrl = assignmentCallbackUrl, FallbackAssignmentCallbackUrl = fallbackAssignmentCallbackUrl, Configuration = configuration, TaskReservationTimeout = taskReservationTimeout, ReEvaluateTasks = reEvaluateTasks };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkspaceCumulativeStatisticsResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkspaceCumulativeStatisticsResource.cs
index ff57ebe0b..deffc7839 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkspaceCumulativeStatisticsResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkspaceCumulativeStatisticsResource.cs
@@ -67,10 +67,10 @@ public static WorkspaceCumulativeStatisticsResource Fetch(FetchWorkspaceCumulati
         /// <param name="options"> Fetch WorkspaceCumulativeStatistics parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkspaceCumulativeStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkspaceCumulativeStatisticsResource> FetchAsync(FetchWorkspaceCumulativeStatisticsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkspaceCumulativeStatisticsResource> FetchAsync(FetchWorkspaceCumulativeStatisticsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -106,10 +106,10 @@ public static WorkspaceCumulativeStatisticsResource Fetch(
         /// <param name="splitByWaitTime"> A comma separated list of values that describes the thresholds, in seconds, to calculate statistics on. For each threshold specified, the number of Tasks canceled and reservations accepted above and below the specified thresholds in seconds are computed. For example, `5,30` would show splits of Tasks that were canceled or accepted before and after 5 seconds and before and after 30 seconds. This can be used to show short abandoned Tasks or Tasks that failed to meet an SLA. TaskRouter will calculate statistics on up to 10,000 Tasks for any given threshold. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkspaceCumulativeStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkspaceCumulativeStatisticsResource> FetchAsync(string pathWorkspaceSid, DateTime? endDate = null, int? minutes = null, DateTime? startDate = null, string taskChannel = null, string splitByWaitTime = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkspaceCumulativeStatisticsResource> FetchAsync(string pathWorkspaceSid, DateTime? endDate = null, int? minutes = null, DateTime? startDate = null, string taskChannel = null, string splitByWaitTime = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWorkspaceCumulativeStatisticsOptions(pathWorkspaceSid){ EndDate = endDate,Minutes = minutes,StartDate = startDate,TaskChannel = taskChannel,SplitByWaitTime = splitByWaitTime };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkspaceRealTimeStatisticsResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkspaceRealTimeStatisticsResource.cs
index 5218b1944..c0ed4a08e 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkspaceRealTimeStatisticsResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkspaceRealTimeStatisticsResource.cs
@@ -67,10 +67,10 @@ public static WorkspaceRealTimeStatisticsResource Fetch(FetchWorkspaceRealTimeSt
         /// <param name="options"> Fetch WorkspaceRealTimeStatistics parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkspaceRealTimeStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkspaceRealTimeStatisticsResource> FetchAsync(FetchWorkspaceRealTimeStatisticsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkspaceRealTimeStatisticsResource> FetchAsync(FetchWorkspaceRealTimeStatisticsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -94,10 +94,10 @@ public static WorkspaceRealTimeStatisticsResource Fetch(
         /// <param name="taskChannel"> Only calculate real-time statistics on this TaskChannel. Can be the TaskChannel's SID or its `unique_name`, such as `voice`, `sms`, or `default`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkspaceRealTimeStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkspaceRealTimeStatisticsResource> FetchAsync(string pathWorkspaceSid, string taskChannel = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkspaceRealTimeStatisticsResource> FetchAsync(string pathWorkspaceSid, string taskChannel = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWorkspaceRealTimeStatisticsOptions(pathWorkspaceSid){ TaskChannel = taskChannel };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkspaceStatisticsResource.cs b/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkspaceStatisticsResource.cs
index 01cd3c30d..c7569db75 100644
--- a/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkspaceStatisticsResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/Workspace/WorkspaceStatisticsResource.cs
@@ -67,10 +67,10 @@ public static WorkspaceStatisticsResource Fetch(FetchWorkspaceStatisticsOptions
         /// <param name="options"> Fetch WorkspaceStatistics parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkspaceStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkspaceStatisticsResource> FetchAsync(FetchWorkspaceStatisticsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkspaceStatisticsResource> FetchAsync(FetchWorkspaceStatisticsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -106,10 +106,10 @@ public static WorkspaceStatisticsResource Fetch(
         /// <param name="splitByWaitTime"> A comma separated list of values that describes the thresholds, in seconds, to calculate statistics on. For each threshold specified, the number of Tasks canceled and reservations accepted above and below the specified thresholds in seconds are computed. For example, `5,30` would show splits of Tasks that were canceled or accepted before and after 5 seconds and before and after 30 seconds. This can be used to show short abandoned Tasks or Tasks that failed to meet an SLA. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of WorkspaceStatistics </returns>
-        public static async System.Threading.Tasks.Task<WorkspaceStatisticsResource> FetchAsync(string pathWorkspaceSid, int? minutes = null, DateTime? startDate = null, DateTime? endDate = null, string taskChannel = null, string splitByWaitTime = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkspaceStatisticsResource> FetchAsync(string pathWorkspaceSid, int? minutes = null, DateTime? startDate = null, DateTime? endDate = null, string taskChannel = null, string splitByWaitTime = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWorkspaceStatisticsOptions(pathWorkspaceSid){ Minutes = minutes,StartDate = startDate,EndDate = endDate,TaskChannel = taskChannel,SplitByWaitTime = splitByWaitTime };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Taskrouter/V1/WorkspaceResource.cs b/src/Twilio/Rest/Taskrouter/V1/WorkspaceResource.cs
index 7ed13fef8..0529124b5 100644
--- a/src/Twilio/Rest/Taskrouter/V1/WorkspaceResource.cs
+++ b/src/Twilio/Rest/Taskrouter/V1/WorkspaceResource.cs
@@ -79,10 +79,10 @@ public static WorkspaceResource Create(CreateWorkspaceOptions options, ITwilioRe
         /// <param name="options"> Create Workspace parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Workspace </returns>
-        public static async System.Threading.Tasks.Task<WorkspaceResource> CreateAsync(CreateWorkspaceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkspaceResource> CreateAsync(CreateWorkspaceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -126,10 +126,10 @@ public static async System.Threading.Tasks.Task<WorkspaceResource> CreateAsync(
                                                                                   bool? multiTaskEnabled = null,
                                                                                   string template = null,
                                                                                   WorkspaceResource.QueueOrderEnum prioritizeQueueOrder = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateWorkspaceOptions(friendlyName){  EventCallbackUrl = eventCallbackUrl, EventsFilter = eventsFilter, MultiTaskEnabled = multiTaskEnabled, Template = template, PrioritizeQueueOrder = prioritizeQueueOrder };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -170,11 +170,12 @@ public static bool Delete(DeleteWorkspaceOptions options, ITwilioRestClient clie
         /// <param name="options"> Delete Workspace parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Workspace </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWorkspaceOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWorkspaceOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -194,10 +195,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the Workspace resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Workspace </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteWorkspaceOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -234,10 +235,10 @@ public static WorkspaceResource Fetch(FetchWorkspaceOptions options, ITwilioRest
         /// <param name="options"> Fetch Workspace parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Workspace </returns>
-        public static async System.Threading.Tasks.Task<WorkspaceResource> FetchAsync(FetchWorkspaceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkspaceResource> FetchAsync(FetchWorkspaceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -258,10 +259,10 @@ public static WorkspaceResource Fetch(
         /// <param name="pathSid"> The SID of the Workspace resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Workspace </returns>
-        public static async System.Threading.Tasks.Task<WorkspaceResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkspaceResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWorkspaceOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -296,10 +297,10 @@ public static ResourceSet<WorkspaceResource> Read(ReadWorkspaceOptions options,
         /// <param name="options"> Read Workspace parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Workspace </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<WorkspaceResource>> ReadAsync(ReadWorkspaceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<WorkspaceResource>> ReadAsync(ReadWorkspaceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<WorkspaceResource>.FromJson("workspaces", response.Content);
             return new ResourceSet<WorkspaceResource>(page, options, client);
@@ -332,10 +333,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<WorkspaceResource>>
                                                                                              string friendlyName = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadWorkspaceOptions(){ FriendlyName = friendlyName, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -422,11 +423,12 @@ public static WorkspaceResource Update(UpdateWorkspaceOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Workspace </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<WorkspaceResource> UpdateAsync(UpdateWorkspaceOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WorkspaceResource> UpdateAsync(UpdateWorkspaceOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -478,10 +480,10 @@ public static async System.Threading.Tasks.Task<WorkspaceResource> UpdateAsync(
                                                                               bool? multiTaskEnabled = null,
                                                                               string timeoutActivitySid = null,
                                                                               WorkspaceResource.QueueOrderEnum prioritizeQueueOrder = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateWorkspaceOptions(pathSid){ DefaultActivitySid = defaultActivitySid, EventCallbackUrl = eventCallbackUrl, EventsFilter = eventsFilter, FriendlyName = friendlyName, MultiTaskEnabled = multiTaskEnabled, TimeoutActivitySid = timeoutActivitySid, PrioritizeQueueOrder = prioritizeQueueOrder };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Trunking/V1/Trunk/CredentialListResource.cs b/src/Twilio/Rest/Trunking/V1/Trunk/CredentialListResource.cs
index d9be4552c..5862c3198 100644
--- a/src/Twilio/Rest/Trunking/V1/Trunk/CredentialListResource.cs
+++ b/src/Twilio/Rest/Trunking/V1/Trunk/CredentialListResource.cs
@@ -68,10 +68,10 @@ public static CredentialListResource Create(CreateCredentialListOptions options,
         /// <param name="options"> Create CredentialList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialList </returns>
-        public static async System.Threading.Tasks.Task<CredentialListResource> CreateAsync(CreateCredentialListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialListResource> CreateAsync(CreateCredentialListOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static CredentialListResource Create(
         public static async System.Threading.Tasks.Task<CredentialListResource> CreateAsync(
                                                                                   string pathTrunkSid,
                                                                                   string credentialListSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCredentialListOptions(pathTrunkSid, credentialListSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteCredentialListOptions options, ITwilioRestClient
         /// <param name="options"> Delete CredentialList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialList </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialListOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCredentialListOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathTrunkSid, string pathSid, ITwilioRestClient
         /// <param name="pathSid"> The unique string that we created to identify the CredentialList resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialList </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathTrunkSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathTrunkSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCredentialListOptions(pathTrunkSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static CredentialListResource Fetch(FetchCredentialListOptions options, I
         /// <param name="options"> Fetch CredentialList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialList </returns>
-        public static async System.Threading.Tasks.Task<CredentialListResource> FetchAsync(FetchCredentialListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialListResource> FetchAsync(FetchCredentialListOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static CredentialListResource Fetch(
         /// <param name="pathSid"> The unique string that we created to identify the CredentialList resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialList </returns>
-        public static async System.Threading.Tasks.Task<CredentialListResource> FetchAsync(string pathTrunkSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CredentialListResource> FetchAsync(string pathTrunkSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCredentialListOptions(pathTrunkSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<CredentialListResource> Read(ReadCredentialListOptions
         /// <param name="options"> Read CredentialList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CredentialList </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CredentialListResource>> ReadAsync(ReadCredentialListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CredentialListResource>> ReadAsync(ReadCredentialListOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CredentialListResource>.FromJson("credential_lists", response.Content);
             return new ResourceSet<CredentialListResource>(page, options, client);
@@ -316,10 +317,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<CredentialListResour
                                                                                              string pathTrunkSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCredentialListOptions(pathTrunkSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Trunking/V1/Trunk/IpAccessControlListResource.cs b/src/Twilio/Rest/Trunking/V1/Trunk/IpAccessControlListResource.cs
index ac0cb8a94..1d55dce1f 100644
--- a/src/Twilio/Rest/Trunking/V1/Trunk/IpAccessControlListResource.cs
+++ b/src/Twilio/Rest/Trunking/V1/Trunk/IpAccessControlListResource.cs
@@ -68,10 +68,10 @@ public static IpAccessControlListResource Create(CreateIpAccessControlListOption
         /// <param name="options"> Create IpAccessControlList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlList </returns>
-        public static async System.Threading.Tasks.Task<IpAccessControlListResource> CreateAsync(CreateIpAccessControlListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpAccessControlListResource> CreateAsync(CreateIpAccessControlListOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static IpAccessControlListResource Create(
         public static async System.Threading.Tasks.Task<IpAccessControlListResource> CreateAsync(
                                                                                   string pathTrunkSid,
                                                                                   string ipAccessControlListSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateIpAccessControlListOptions(pathTrunkSid, ipAccessControlListSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteIpAccessControlListOptions options, ITwilioRestC
         /// <param name="options"> Delete IpAccessControlList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlList </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteIpAccessControlListOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteIpAccessControlListOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathTrunkSid, string pathSid, ITwilioRestClient
         /// <param name="pathSid"> The unique string that we created to identify the IpAccessControlList resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlList </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathTrunkSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathTrunkSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteIpAccessControlListOptions(pathTrunkSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static IpAccessControlListResource Fetch(FetchIpAccessControlListOptions
         /// <param name="options"> Fetch IpAccessControlList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlList </returns>
-        public static async System.Threading.Tasks.Task<IpAccessControlListResource> FetchAsync(FetchIpAccessControlListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpAccessControlListResource> FetchAsync(FetchIpAccessControlListOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static IpAccessControlListResource Fetch(
         /// <param name="pathSid"> The unique string that we created to identify the IpAccessControlList resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlList </returns>
-        public static async System.Threading.Tasks.Task<IpAccessControlListResource> FetchAsync(string pathTrunkSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpAccessControlListResource> FetchAsync(string pathTrunkSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchIpAccessControlListOptions(pathTrunkSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<IpAccessControlListResource> Read(ReadIpAccessControlL
         /// <param name="options"> Read IpAccessControlList parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpAccessControlList </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<IpAccessControlListResource>> ReadAsync(ReadIpAccessControlListOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<IpAccessControlListResource>> ReadAsync(ReadIpAccessControlListOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<IpAccessControlListResource>.FromJson("ip_access_control_lists", response.Content);
             return new ResourceSet<IpAccessControlListResource>(page, options, client);
@@ -316,10 +317,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<IpAccessControlListR
                                                                                              string pathTrunkSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadIpAccessControlListOptions(pathTrunkSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Trunking/V1/Trunk/OriginationUrlResource.cs b/src/Twilio/Rest/Trunking/V1/Trunk/OriginationUrlResource.cs
index 2fa01de1e..2a81a6d22 100644
--- a/src/Twilio/Rest/Trunking/V1/Trunk/OriginationUrlResource.cs
+++ b/src/Twilio/Rest/Trunking/V1/Trunk/OriginationUrlResource.cs
@@ -68,10 +68,10 @@ public static OriginationUrlResource Create(CreateOriginationUrlOptions options,
         /// <param name="options"> Create OriginationUrl parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OriginationUrl </returns>
-        public static async System.Threading.Tasks.Task<OriginationUrlResource> CreateAsync(CreateOriginationUrlOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<OriginationUrlResource> CreateAsync(CreateOriginationUrlOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -115,10 +115,10 @@ public static async System.Threading.Tasks.Task<OriginationUrlResource> CreateAs
                                                                                   bool? enabled,
                                                                                   string friendlyName,
                                                                                   Uri sipUrl,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateOriginationUrlOptions(pathTrunkSid, weight, priority, enabled, friendlyName, sipUrl){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -161,11 +161,12 @@ public static bool Delete(DeleteOriginationUrlOptions options, ITwilioRestClient
         /// <param name="options"> Delete OriginationUrl parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OriginationUrl </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteOriginationUrlOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteOriginationUrlOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -187,10 +188,10 @@ public static bool Delete(string pathTrunkSid, string pathSid, ITwilioRestClient
         /// <param name="pathSid"> The unique string that we created to identify the OriginationUrl resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OriginationUrl </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathTrunkSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathTrunkSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteOriginationUrlOptions(pathTrunkSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -229,10 +230,10 @@ public static OriginationUrlResource Fetch(FetchOriginationUrlOptions options, I
         /// <param name="options"> Fetch OriginationUrl parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OriginationUrl </returns>
-        public static async System.Threading.Tasks.Task<OriginationUrlResource> FetchAsync(FetchOriginationUrlOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<OriginationUrlResource> FetchAsync(FetchOriginationUrlOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -256,10 +257,10 @@ public static OriginationUrlResource Fetch(
         /// <param name="pathSid"> The unique string that we created to identify the OriginationUrl resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OriginationUrl </returns>
-        public static async System.Threading.Tasks.Task<OriginationUrlResource> FetchAsync(string pathTrunkSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<OriginationUrlResource> FetchAsync(string pathTrunkSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchOriginationUrlOptions(pathTrunkSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -296,10 +297,10 @@ public static ResourceSet<OriginationUrlResource> Read(ReadOriginationUrlOptions
         /// <param name="options"> Read OriginationUrl parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OriginationUrl </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<OriginationUrlResource>> ReadAsync(ReadOriginationUrlOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<OriginationUrlResource>> ReadAsync(ReadOriginationUrlOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<OriginationUrlResource>.FromJson("origination_urls", response.Content);
             return new ResourceSet<OriginationUrlResource>(page, options, client);
@@ -332,10 +333,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<OriginationUrlResour
                                                                                              string pathTrunkSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadOriginationUrlOptions(pathTrunkSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -424,11 +425,12 @@ public static OriginationUrlResource Update(UpdateOriginationUrlOptions options,
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of OriginationUrl </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<OriginationUrlResource> UpdateAsync(UpdateOriginationUrlOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<OriginationUrlResource> UpdateAsync(UpdateOriginationUrlOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -476,10 +478,10 @@ public static async System.Threading.Tasks.Task<OriginationUrlResource> UpdateAs
                                                                               bool? enabled = null,
                                                                               string friendlyName = null,
                                                                               Uri sipUrl = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateOriginationUrlOptions(pathTrunkSid, pathSid){ Weight = weight, Priority = priority, Enabled = enabled, FriendlyName = friendlyName, SipUrl = sipUrl };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Trunking/V1/Trunk/PhoneNumberResource.cs b/src/Twilio/Rest/Trunking/V1/Trunk/PhoneNumberResource.cs
index fad91644b..4991a5faf 100644
--- a/src/Twilio/Rest/Trunking/V1/Trunk/PhoneNumberResource.cs
+++ b/src/Twilio/Rest/Trunking/V1/Trunk/PhoneNumberResource.cs
@@ -83,10 +83,10 @@ public static PhoneNumberResource Create(CreatePhoneNumberOptions options, ITwil
         /// <param name="options"> Create PhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> CreateAsync(CreatePhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> CreateAsync(CreatePhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -114,10 +114,10 @@ public static PhoneNumberResource Create(
         public static async System.Threading.Tasks.Task<PhoneNumberResource> CreateAsync(
                                                                                   string pathTrunkSid,
                                                                                   string phoneNumberSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreatePhoneNumberOptions(pathTrunkSid, phoneNumberSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -160,11 +160,12 @@ public static bool Delete(DeletePhoneNumberOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete PhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeletePhoneNumberOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeletePhoneNumberOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -186,10 +187,10 @@ public static bool Delete(string pathTrunkSid, string pathSid, ITwilioRestClient
         /// <param name="pathSid"> The unique string that we created to identify the PhoneNumber resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathTrunkSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathTrunkSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeletePhoneNumberOptions(pathTrunkSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -228,10 +229,10 @@ public static PhoneNumberResource Fetch(FetchPhoneNumberOptions options, ITwilio
         /// <param name="options"> Fetch PhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(FetchPhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(FetchPhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -255,10 +256,10 @@ public static PhoneNumberResource Fetch(
         /// <param name="pathSid"> The unique string that we created to identify the PhoneNumber resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(string pathTrunkSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PhoneNumberResource> FetchAsync(string pathTrunkSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPhoneNumberOptions(pathTrunkSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -295,10 +296,10 @@ public static ResourceSet<PhoneNumberResource> Read(ReadPhoneNumberOptions optio
         /// <param name="options"> Read PhoneNumber parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PhoneNumber </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<PhoneNumberResource>> ReadAsync(ReadPhoneNumberOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<PhoneNumberResource>> ReadAsync(ReadPhoneNumberOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<PhoneNumberResource>.FromJson("phone_numbers", response.Content);
             return new ResourceSet<PhoneNumberResource>(page, options, client);
@@ -331,10 +332,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<PhoneNumberResource>
                                                                                              string pathTrunkSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadPhoneNumberOptions(pathTrunkSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Trunking/V1/Trunk/RecordingResource.cs b/src/Twilio/Rest/Trunking/V1/Trunk/RecordingResource.cs
index dd1a2720a..54f954acc 100644
--- a/src/Twilio/Rest/Trunking/V1/Trunk/RecordingResource.cs
+++ b/src/Twilio/Rest/Trunking/V1/Trunk/RecordingResource.cs
@@ -96,10 +96,10 @@ public static RecordingResource Fetch(FetchRecordingOptions options, ITwilioRest
         /// <param name="options"> Fetch Recording parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(FetchRecordingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(FetchRecordingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -120,10 +120,10 @@ public static RecordingResource Fetch(
         /// <param name="pathTrunkSid"> The SID of the Trunk from which to fetch the recording settings. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(string pathTrunkSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(string pathTrunkSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRecordingOptions(pathTrunkSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -161,11 +161,12 @@ public static RecordingResource Update(UpdateRecordingOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<RecordingResource> UpdateAsync(UpdateRecordingOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingResource> UpdateAsync(UpdateRecordingOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -197,10 +198,10 @@ public static async System.Threading.Tasks.Task<RecordingResource> UpdateAsync(
                                                                               string pathTrunkSid,
                                                                               RecordingResource.RecordingModeEnum mode = null,
                                                                               RecordingResource.RecordingTrimEnum trim = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateRecordingOptions(pathTrunkSid){ Mode = mode, Trim = trim };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Trunking/V1/TrunkResource.cs b/src/Twilio/Rest/Trunking/V1/TrunkResource.cs
index 4da815862..ac8e2c7d2 100644
--- a/src/Twilio/Rest/Trunking/V1/TrunkResource.cs
+++ b/src/Twilio/Rest/Trunking/V1/TrunkResource.cs
@@ -93,10 +93,10 @@ public static TrunkResource Create(CreateTrunkOptions options, ITwilioRestClient
         /// <param name="options"> Create Trunk parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trunk </returns>
-        public static async System.Threading.Tasks.Task<TrunkResource> CreateAsync(CreateTrunkOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrunkResource> CreateAsync(CreateTrunkOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -148,10 +148,10 @@ public static async System.Threading.Tasks.Task<TrunkResource> CreateAsync(
                                                                                   bool? secure = null,
                                                                                   bool? cnamLookupEnabled = null,
                                                                                   TrunkResource.TransferCallerIdEnum transferCallerId = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTrunkOptions(){  FriendlyName = friendlyName, DomainName = domainName, DisasterRecoveryUrl = disasterRecoveryUrl, DisasterRecoveryMethod = disasterRecoveryMethod, TransferMode = transferMode, Secure = secure, CnamLookupEnabled = cnamLookupEnabled, TransferCallerId = transferCallerId };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -192,11 +192,12 @@ public static bool Delete(DeleteTrunkOptions options, ITwilioRestClient client =
         /// <param name="options"> Delete Trunk parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trunk </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTrunkOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTrunkOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -216,10 +217,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The unique string that we created to identify the Trunk resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trunk </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteTrunkOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -256,10 +257,10 @@ public static TrunkResource Fetch(FetchTrunkOptions options, ITwilioRestClient c
         /// <param name="options"> Fetch Trunk parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trunk </returns>
-        public static async System.Threading.Tasks.Task<TrunkResource> FetchAsync(FetchTrunkOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrunkResource> FetchAsync(FetchTrunkOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -280,10 +281,10 @@ public static TrunkResource Fetch(
         /// <param name="pathSid"> The unique string that we created to identify the Trunk resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trunk </returns>
-        public static async System.Threading.Tasks.Task<TrunkResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrunkResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTrunkOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -318,10 +319,10 @@ public static ResourceSet<TrunkResource> Read(ReadTrunkOptions options, ITwilioR
         /// <param name="options"> Read Trunk parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trunk </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TrunkResource>> ReadAsync(ReadTrunkOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TrunkResource>> ReadAsync(ReadTrunkOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<TrunkResource>.FromJson("trunks", response.Content);
             return new ResourceSet<TrunkResource>(page, options, client);
@@ -350,10 +351,10 @@ public static ResourceSet<TrunkResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<TrunkResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTrunkOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -440,11 +441,12 @@ public static TrunkResource Update(UpdateTrunkOptions options, ITwilioRestClient
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Trunk </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<TrunkResource> UpdateAsync(UpdateTrunkOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrunkResource> UpdateAsync(UpdateTrunkOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -500,10 +502,10 @@ public static async System.Threading.Tasks.Task<TrunkResource> UpdateAsync(
                                                                               bool? secure = null,
                                                                               bool? cnamLookupEnabled = null,
                                                                               TrunkResource.TransferCallerIdEnum transferCallerId = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateTrunkOptions(pathSid){ FriendlyName = friendlyName, DomainName = domainName, DisasterRecoveryUrl = disasterRecoveryUrl, DisasterRecoveryMethod = disasterRecoveryMethod, TransferMode = transferMode, Secure = secure, CnamLookupEnabled = cnamLookupEnabled, TransferCallerId = transferCallerId };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Trusthub/V1/ComplianceInquiriesResource.cs b/src/Twilio/Rest/Trusthub/V1/ComplianceInquiriesResource.cs
index 831b0580a..5045b687e 100644
--- a/src/Twilio/Rest/Trusthub/V1/ComplianceInquiriesResource.cs
+++ b/src/Twilio/Rest/Trusthub/V1/ComplianceInquiriesResource.cs
@@ -66,10 +66,10 @@ public static ComplianceInquiriesResource Create(CreateComplianceInquiriesOption
         /// <param name="options"> Create ComplianceInquiries parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ComplianceInquiries </returns>
-        public static async System.Threading.Tasks.Task<ComplianceInquiriesResource> CreateAsync(CreateComplianceInquiriesOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ComplianceInquiriesResource> CreateAsync(CreateComplianceInquiriesOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static async System.Threading.Tasks.Task<ComplianceInquiriesResource> Cre
                                                                                   string primaryProfileSid,
                                                                                   string notificationEmail = null,
                                                                                   string themeSetId = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateComplianceInquiriesOptions(primaryProfileSid){  NotificationEmail = notificationEmail, ThemeSetId = themeSetId };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -142,11 +142,12 @@ public static ComplianceInquiriesResource Update(UpdateComplianceInquiriesOption
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ComplianceInquiries </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ComplianceInquiriesResource> UpdateAsync(UpdateComplianceInquiriesOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ComplianceInquiriesResource> UpdateAsync(UpdateComplianceInquiriesOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -178,10 +179,10 @@ public static async System.Threading.Tasks.Task<ComplianceInquiriesResource> Upd
                                                                               string pathCustomerId,
                                                                               string primaryProfileSid,
                                                                               string themeSetId = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateComplianceInquiriesOptions(pathCustomerId, primaryProfileSid){ ThemeSetId = themeSetId };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Trusthub/V1/ComplianceRegistrationInquiriesResource.cs b/src/Twilio/Rest/Trusthub/V1/ComplianceRegistrationInquiriesResource.cs
index 489dd007c..3075aa2ce 100644
--- a/src/Twilio/Rest/Trusthub/V1/ComplianceRegistrationInquiriesResource.cs
+++ b/src/Twilio/Rest/Trusthub/V1/ComplianceRegistrationInquiriesResource.cs
@@ -120,10 +120,10 @@ public static ComplianceRegistrationInquiriesResource Create(CreateComplianceReg
         /// <param name="options"> Create ComplianceRegistrationInquiries parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ComplianceRegistrationInquiries </returns>
-        public static async System.Threading.Tasks.Task<ComplianceRegistrationInquiriesResource> CreateAsync(CreateComplianceRegistrationInquiriesOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ComplianceRegistrationInquiriesResource> CreateAsync(CreateComplianceRegistrationInquiriesOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -299,10 +299,10 @@ public static async System.Threading.Tasks.Task<ComplianceRegistrationInquiriesR
                                                                                   string isvRegisteringForSelfOrTenant = null,
                                                                                   string statusCallbackUrl = null,
                                                                                   string themeSetId = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateComplianceRegistrationInquiriesOptions(endUserType, phoneNumberType){  BusinessIdentityType = businessIdentityType, BusinessRegistrationAuthority = businessRegistrationAuthority, BusinessLegalName = businessLegalName, NotificationEmail = notificationEmail, AcceptedNotificationReceipt = acceptedNotificationReceipt, BusinessRegistrationNumber = businessRegistrationNumber, BusinessWebsiteUrl = businessWebsiteUrl, FriendlyName = friendlyName, AuthorizedRepresentative1FirstName = authorizedRepresentative1FirstName, AuthorizedRepresentative1LastName = authorizedRepresentative1LastName, AuthorizedRepresentative1Phone = authorizedRepresentative1Phone, AuthorizedRepresentative1Email = authorizedRepresentative1Email, AuthorizedRepresentative1DateOfBirth = authorizedRepresentative1DateOfBirth, AddressStreet = addressStreet, AddressStreetSecondary = addressStreetSecondary, AddressCity = addressCity, AddressSubdivision = addressSubdivision, AddressPostalCode = addressPostalCode, AddressCountryCode = addressCountryCode, EmergencyAddressStreet = emergencyAddressStreet, EmergencyAddressStreetSecondary = emergencyAddressStreetSecondary, EmergencyAddressCity = emergencyAddressCity, EmergencyAddressSubdivision = emergencyAddressSubdivision, EmergencyAddressPostalCode = emergencyAddressPostalCode, EmergencyAddressCountryCode = emergencyAddressCountryCode, UseAddressAsEmergencyAddress = useAddressAsEmergencyAddress, FileName = fileName, File = file, FirstName = firstName, LastName = lastName, DateOfBirth = dateOfBirth, IndividualEmail = individualEmail, IndividualPhone = individualPhone, IsIsvEmbed = isIsvEmbed, IsvRegisteringForSelfOrTenant = isvRegisteringForSelfOrTenant, StatusCallbackUrl = statusCallbackUrl, ThemeSetId = themeSetId };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -340,11 +340,12 @@ public static ComplianceRegistrationInquiriesResource Update(UpdateComplianceReg
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ComplianceRegistrationInquiries </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ComplianceRegistrationInquiriesResource> UpdateAsync(UpdateComplianceRegistrationInquiriesOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ComplianceRegistrationInquiriesResource> UpdateAsync(UpdateComplianceRegistrationInquiriesOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -376,10 +377,10 @@ public static async System.Threading.Tasks.Task<ComplianceRegistrationInquiriesR
                                                                               string pathRegistrationId,
                                                                               bool? isIsvEmbed = null,
                                                                               string themeSetId = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateComplianceRegistrationInquiriesOptions(pathRegistrationId){ IsIsvEmbed = isIsvEmbed, ThemeSetId = themeSetId };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Trusthub/V1/ComplianceTollfreeInquiriesResource.cs b/src/Twilio/Rest/Trusthub/V1/ComplianceTollfreeInquiriesResource.cs
index 289ef17e4..82fadf725 100644
--- a/src/Twilio/Rest/Trusthub/V1/ComplianceTollfreeInquiriesResource.cs
+++ b/src/Twilio/Rest/Trusthub/V1/ComplianceTollfreeInquiriesResource.cs
@@ -81,10 +81,10 @@ public static ComplianceTollfreeInquiriesResource Create(CreateComplianceTollfre
         /// <param name="options"> Create ComplianceTollfreeInquiries parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ComplianceTollfreeInquiries </returns>
-        public static async System.Threading.Tasks.Task<ComplianceTollfreeInquiriesResource> CreateAsync(CreateComplianceTollfreeInquiriesOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ComplianceTollfreeInquiriesResource> CreateAsync(CreateComplianceTollfreeInquiriesOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -196,10 +196,10 @@ public static async System.Threading.Tasks.Task<ComplianceTollfreeInquiriesResou
                                                                                   Types.PhoneNumber businessContactPhone = null,
                                                                                   string themeSetId = null,
                                                                                   bool? skipMessagingUseCase = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateComplianceTollfreeInquiriesOptions(tollfreePhoneNumber, notificationEmail){  BusinessName = businessName, BusinessWebsite = businessWebsite, UseCaseCategories = useCaseCategories, UseCaseSummary = useCaseSummary, ProductionMessageSample = productionMessageSample, OptInImageUrls = optInImageUrls, OptInType = optInType, MessageVolume = messageVolume, BusinessStreetAddress = businessStreetAddress, BusinessStreetAddress2 = businessStreetAddress2, BusinessCity = businessCity, BusinessStateProvinceRegion = businessStateProvinceRegion, BusinessPostalCode = businessPostalCode, BusinessCountry = businessCountry, AdditionalInformation = additionalInformation, BusinessContactFirstName = businessContactFirstName, BusinessContactLastName = businessContactLastName, BusinessContactEmail = businessContactEmail, BusinessContactPhone = businessContactPhone, ThemeSetId = themeSetId, SkipMessagingUseCase = skipMessagingUseCase };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Trusthub/V1/CustomerProfiles/CustomerProfilesChannelEndpointAssignmentResource.cs b/src/Twilio/Rest/Trusthub/V1/CustomerProfiles/CustomerProfilesChannelEndpointAssignmentResource.cs
index 514685f7a..e9d03cafc 100644
--- a/src/Twilio/Rest/Trusthub/V1/CustomerProfiles/CustomerProfilesChannelEndpointAssignmentResource.cs
+++ b/src/Twilio/Rest/Trusthub/V1/CustomerProfiles/CustomerProfilesChannelEndpointAssignmentResource.cs
@@ -68,10 +68,10 @@ public static CustomerProfilesChannelEndpointAssignmentResource Create(CreateCus
         /// <param name="options"> Create CustomerProfilesChannelEndpointAssignment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfilesChannelEndpointAssignment </returns>
-        public static async System.Threading.Tasks.Task<CustomerProfilesChannelEndpointAssignmentResource> CreateAsync(CreateCustomerProfilesChannelEndpointAssignmentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomerProfilesChannelEndpointAssignmentResource> CreateAsync(CreateCustomerProfilesChannelEndpointAssignmentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -103,10 +103,10 @@ public static async System.Threading.Tasks.Task<CustomerProfilesChannelEndpointA
                                                                                   string pathCustomerProfileSid,
                                                                                   string channelEndpointType,
                                                                                   string channelEndpointSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCustomerProfilesChannelEndpointAssignmentOptions(pathCustomerProfileSid, channelEndpointType, channelEndpointSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,11 +149,12 @@ public static bool Delete(DeleteCustomerProfilesChannelEndpointAssignmentOptions
         /// <param name="options"> Delete CustomerProfilesChannelEndpointAssignment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfilesChannelEndpointAssignment </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCustomerProfilesChannelEndpointAssignmentOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCustomerProfilesChannelEndpointAssignmentOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -175,10 +176,10 @@ public static bool Delete(string pathCustomerProfileSid, string pathSid, ITwilio
         /// <param name="pathSid"> The unique string that we created to identify the resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfilesChannelEndpointAssignment </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathCustomerProfileSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathCustomerProfileSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCustomerProfilesChannelEndpointAssignmentOptions(pathCustomerProfileSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -217,10 +218,10 @@ public static CustomerProfilesChannelEndpointAssignmentResource Fetch(FetchCusto
         /// <param name="options"> Fetch CustomerProfilesChannelEndpointAssignment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfilesChannelEndpointAssignment </returns>
-        public static async System.Threading.Tasks.Task<CustomerProfilesChannelEndpointAssignmentResource> FetchAsync(FetchCustomerProfilesChannelEndpointAssignmentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomerProfilesChannelEndpointAssignmentResource> FetchAsync(FetchCustomerProfilesChannelEndpointAssignmentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -244,10 +245,10 @@ public static CustomerProfilesChannelEndpointAssignmentResource Fetch(
         /// <param name="pathSid"> The unique string that we created to identify the resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfilesChannelEndpointAssignment </returns>
-        public static async System.Threading.Tasks.Task<CustomerProfilesChannelEndpointAssignmentResource> FetchAsync(string pathCustomerProfileSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomerProfilesChannelEndpointAssignmentResource> FetchAsync(string pathCustomerProfileSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCustomerProfilesChannelEndpointAssignmentOptions(pathCustomerProfileSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -284,10 +285,10 @@ public static ResourceSet<CustomerProfilesChannelEndpointAssignmentResource> Rea
         /// <param name="options"> Read CustomerProfilesChannelEndpointAssignment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfilesChannelEndpointAssignment </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CustomerProfilesChannelEndpointAssignmentResource>> ReadAsync(ReadCustomerProfilesChannelEndpointAssignmentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CustomerProfilesChannelEndpointAssignmentResource>> ReadAsync(ReadCustomerProfilesChannelEndpointAssignmentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CustomerProfilesChannelEndpointAssignmentResource>.FromJson("results", response.Content);
             return new ResourceSet<CustomerProfilesChannelEndpointAssignmentResource>(page, options, client);
@@ -328,10 +329,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<CustomerProfilesChan
                                                                                              string channelEndpointSids = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCustomerProfilesChannelEndpointAssignmentOptions(pathCustomerProfileSid){ ChannelEndpointSid = channelEndpointSid, ChannelEndpointSids = channelEndpointSids, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Trusthub/V1/CustomerProfiles/CustomerProfilesEntityAssignmentsResource.cs b/src/Twilio/Rest/Trusthub/V1/CustomerProfiles/CustomerProfilesEntityAssignmentsResource.cs
index 68a805239..b3bc729cb 100644
--- a/src/Twilio/Rest/Trusthub/V1/CustomerProfiles/CustomerProfilesEntityAssignmentsResource.cs
+++ b/src/Twilio/Rest/Trusthub/V1/CustomerProfiles/CustomerProfilesEntityAssignmentsResource.cs
@@ -68,10 +68,10 @@ public static CustomerProfilesEntityAssignmentsResource Create(CreateCustomerPro
         /// <param name="options"> Create CustomerProfilesEntityAssignments parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfilesEntityAssignments </returns>
-        public static async System.Threading.Tasks.Task<CustomerProfilesEntityAssignmentsResource> CreateAsync(CreateCustomerProfilesEntityAssignmentsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomerProfilesEntityAssignmentsResource> CreateAsync(CreateCustomerProfilesEntityAssignmentsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static CustomerProfilesEntityAssignmentsResource Create(
         public static async System.Threading.Tasks.Task<CustomerProfilesEntityAssignmentsResource> CreateAsync(
                                                                                   string pathCustomerProfileSid,
                                                                                   string objectSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCustomerProfilesEntityAssignmentsOptions(pathCustomerProfileSid, objectSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteCustomerProfilesEntityAssignmentsOptions options
         /// <param name="options"> Delete CustomerProfilesEntityAssignments parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfilesEntityAssignments </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCustomerProfilesEntityAssignmentsOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCustomerProfilesEntityAssignmentsOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathCustomerProfileSid, string pathSid, ITwilio
         /// <param name="pathSid"> The unique string that we created to identify the Identity resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfilesEntityAssignments </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathCustomerProfileSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathCustomerProfileSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCustomerProfilesEntityAssignmentsOptions(pathCustomerProfileSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static CustomerProfilesEntityAssignmentsResource Fetch(FetchCustomerProfi
         /// <param name="options"> Fetch CustomerProfilesEntityAssignments parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfilesEntityAssignments </returns>
-        public static async System.Threading.Tasks.Task<CustomerProfilesEntityAssignmentsResource> FetchAsync(FetchCustomerProfilesEntityAssignmentsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomerProfilesEntityAssignmentsResource> FetchAsync(FetchCustomerProfilesEntityAssignmentsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static CustomerProfilesEntityAssignmentsResource Fetch(
         /// <param name="pathSid"> The unique string that we created to identify the Identity resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfilesEntityAssignments </returns>
-        public static async System.Threading.Tasks.Task<CustomerProfilesEntityAssignmentsResource> FetchAsync(string pathCustomerProfileSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomerProfilesEntityAssignmentsResource> FetchAsync(string pathCustomerProfileSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCustomerProfilesEntityAssignmentsOptions(pathCustomerProfileSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<CustomerProfilesEntityAssignmentsResource> Read(ReadCu
         /// <param name="options"> Read CustomerProfilesEntityAssignments parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfilesEntityAssignments </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CustomerProfilesEntityAssignmentsResource>> ReadAsync(ReadCustomerProfilesEntityAssignmentsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CustomerProfilesEntityAssignmentsResource>> ReadAsync(ReadCustomerProfilesEntityAssignmentsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CustomerProfilesEntityAssignmentsResource>.FromJson("results", response.Content);
             return new ResourceSet<CustomerProfilesEntityAssignmentsResource>(page, options, client);
@@ -320,10 +321,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<CustomerProfilesEnti
                                                                                              string objectType = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCustomerProfilesEntityAssignmentsOptions(pathCustomerProfileSid){ ObjectType = objectType, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Trusthub/V1/CustomerProfiles/CustomerProfilesEvaluationsResource.cs b/src/Twilio/Rest/Trusthub/V1/CustomerProfiles/CustomerProfilesEvaluationsResource.cs
index 363c00963..6e2e4a276 100644
--- a/src/Twilio/Rest/Trusthub/V1/CustomerProfiles/CustomerProfilesEvaluationsResource.cs
+++ b/src/Twilio/Rest/Trusthub/V1/CustomerProfiles/CustomerProfilesEvaluationsResource.cs
@@ -81,10 +81,10 @@ public static CustomerProfilesEvaluationsResource Create(CreateCustomerProfilesE
         /// <param name="options"> Create CustomerProfilesEvaluations parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfilesEvaluations </returns>
-        public static async System.Threading.Tasks.Task<CustomerProfilesEvaluationsResource> CreateAsync(CreateCustomerProfilesEvaluationsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomerProfilesEvaluationsResource> CreateAsync(CreateCustomerProfilesEvaluationsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -112,10 +112,10 @@ public static CustomerProfilesEvaluationsResource Create(
         public static async System.Threading.Tasks.Task<CustomerProfilesEvaluationsResource> CreateAsync(
                                                                                   string pathCustomerProfileSid,
                                                                                   string policySid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCustomerProfilesEvaluationsOptions(pathCustomerProfileSid, policySid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -154,10 +154,10 @@ public static CustomerProfilesEvaluationsResource Fetch(FetchCustomerProfilesEva
         /// <param name="options"> Fetch CustomerProfilesEvaluations parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfilesEvaluations </returns>
-        public static async System.Threading.Tasks.Task<CustomerProfilesEvaluationsResource> FetchAsync(FetchCustomerProfilesEvaluationsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomerProfilesEvaluationsResource> FetchAsync(FetchCustomerProfilesEvaluationsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -181,10 +181,10 @@ public static CustomerProfilesEvaluationsResource Fetch(
         /// <param name="pathSid"> The unique string that identifies the Evaluation resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfilesEvaluations </returns>
-        public static async System.Threading.Tasks.Task<CustomerProfilesEvaluationsResource> FetchAsync(string pathCustomerProfileSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomerProfilesEvaluationsResource> FetchAsync(string pathCustomerProfileSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCustomerProfilesEvaluationsOptions(pathCustomerProfileSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -221,10 +221,10 @@ public static ResourceSet<CustomerProfilesEvaluationsResource> Read(ReadCustomer
         /// <param name="options"> Read CustomerProfilesEvaluations parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfilesEvaluations </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CustomerProfilesEvaluationsResource>> ReadAsync(ReadCustomerProfilesEvaluationsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CustomerProfilesEvaluationsResource>> ReadAsync(ReadCustomerProfilesEvaluationsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CustomerProfilesEvaluationsResource>.FromJson("results", response.Content);
             return new ResourceSet<CustomerProfilesEvaluationsResource>(page, options, client);
@@ -257,10 +257,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<CustomerProfilesEval
                                                                                              string pathCustomerProfileSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCustomerProfilesEvaluationsOptions(pathCustomerProfileSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Trusthub/V1/CustomerProfilesResource.cs b/src/Twilio/Rest/Trusthub/V1/CustomerProfilesResource.cs
index 36268a1ec..bbbe82711 100644
--- a/src/Twilio/Rest/Trusthub/V1/CustomerProfilesResource.cs
+++ b/src/Twilio/Rest/Trusthub/V1/CustomerProfilesResource.cs
@@ -82,10 +82,10 @@ public static CustomerProfilesResource Create(CreateCustomerProfilesOptions opti
         /// <param name="options"> Create CustomerProfiles parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfiles </returns>
-        public static async System.Threading.Tasks.Task<CustomerProfilesResource> CreateAsync(CreateCustomerProfilesOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomerProfilesResource> CreateAsync(CreateCustomerProfilesOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -121,10 +121,10 @@ public static async System.Threading.Tasks.Task<CustomerProfilesResource> Create
                                                                                   string email,
                                                                                   string policySid,
                                                                                   Uri statusCallback = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCustomerProfilesOptions(friendlyName, email, policySid){  StatusCallback = statusCallback };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -165,11 +165,12 @@ public static bool Delete(DeleteCustomerProfilesOptions options, ITwilioRestClie
         /// <param name="options"> Delete CustomerProfiles parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfiles </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCustomerProfilesOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCustomerProfilesOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -189,10 +190,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The unique string that we created to identify the Customer-Profile resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfiles </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCustomerProfilesOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -229,10 +230,10 @@ public static CustomerProfilesResource Fetch(FetchCustomerProfilesOptions option
         /// <param name="options"> Fetch CustomerProfiles parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfiles </returns>
-        public static async System.Threading.Tasks.Task<CustomerProfilesResource> FetchAsync(FetchCustomerProfilesOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomerProfilesResource> FetchAsync(FetchCustomerProfilesOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -253,10 +254,10 @@ public static CustomerProfilesResource Fetch(
         /// <param name="pathSid"> The unique string that we created to identify the Customer-Profile resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfiles </returns>
-        public static async System.Threading.Tasks.Task<CustomerProfilesResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomerProfilesResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCustomerProfilesOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -291,10 +292,10 @@ public static ResourceSet<CustomerProfilesResource> Read(ReadCustomerProfilesOpt
         /// <param name="options"> Read CustomerProfiles parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfiles </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CustomerProfilesResource>> ReadAsync(ReadCustomerProfilesOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CustomerProfilesResource>> ReadAsync(ReadCustomerProfilesOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CustomerProfilesResource>.FromJson("results", response.Content);
             return new ResourceSet<CustomerProfilesResource>(page, options, client);
@@ -335,10 +336,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<CustomerProfilesReso
                                                                                              string policySid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCustomerProfilesOptions(){ Status = status, FriendlyName = friendlyName, PolicySid = policySid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -425,11 +426,12 @@ public static CustomerProfilesResource Update(UpdateCustomerProfilesOptions opti
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CustomerProfiles </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<CustomerProfilesResource> UpdateAsync(UpdateCustomerProfilesOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CustomerProfilesResource> UpdateAsync(UpdateCustomerProfilesOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -469,10 +471,10 @@ public static async System.Threading.Tasks.Task<CustomerProfilesResource> Update
                                                                               Uri statusCallback = null,
                                                                               string friendlyName = null,
                                                                               string email = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateCustomerProfilesOptions(pathSid){ Status = status, StatusCallback = statusCallback, FriendlyName = friendlyName, Email = email };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Trusthub/V1/EndUserResource.cs b/src/Twilio/Rest/Trusthub/V1/EndUserResource.cs
index 793de1a35..d0cc7ded2 100644
--- a/src/Twilio/Rest/Trusthub/V1/EndUserResource.cs
+++ b/src/Twilio/Rest/Trusthub/V1/EndUserResource.cs
@@ -66,10 +66,10 @@ public static EndUserResource Create(CreateEndUserOptions options, ITwilioRestCl
         /// <param name="options"> Create EndUser parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUser </returns>
-        public static async System.Threading.Tasks.Task<EndUserResource> CreateAsync(CreateEndUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EndUserResource> CreateAsync(CreateEndUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static async System.Threading.Tasks.Task<EndUserResource> CreateAsync(
                                                                                   string friendlyName,
                                                                                   string type,
                                                                                   object attributes = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateEndUserOptions(friendlyName, type){  Attributes = attributes };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteEndUserOptions options, ITwilioRestClient client
         /// <param name="options"> Delete EndUser parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUser </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteEndUserOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteEndUserOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -169,10 +170,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The unique string created by Twilio to identify the End User resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUser </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteEndUserOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -209,10 +210,10 @@ public static EndUserResource Fetch(FetchEndUserOptions options, ITwilioRestClie
         /// <param name="options"> Fetch EndUser parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUser </returns>
-        public static async System.Threading.Tasks.Task<EndUserResource> FetchAsync(FetchEndUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EndUserResource> FetchAsync(FetchEndUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -233,10 +234,10 @@ public static EndUserResource Fetch(
         /// <param name="pathSid"> The unique string created by Twilio to identify the End User resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUser </returns>
-        public static async System.Threading.Tasks.Task<EndUserResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EndUserResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchEndUserOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -271,10 +272,10 @@ public static ResourceSet<EndUserResource> Read(ReadEndUserOptions options, ITwi
         /// <param name="options"> Read EndUser parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUser </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<EndUserResource>> ReadAsync(ReadEndUserOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<EndUserResource>> ReadAsync(ReadEndUserOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<EndUserResource>.FromJson("results", response.Content);
             return new ResourceSet<EndUserResource>(page, options, client);
@@ -303,10 +304,10 @@ public static ResourceSet<EndUserResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<EndUserResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadEndUserOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -393,11 +394,12 @@ public static EndUserResource Update(UpdateEndUserOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUser </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<EndUserResource> UpdateAsync(UpdateEndUserOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EndUserResource> UpdateAsync(UpdateEndUserOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -429,10 +431,10 @@ public static async System.Threading.Tasks.Task<EndUserResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string friendlyName = null,
                                                                               object attributes = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateEndUserOptions(pathSid){ FriendlyName = friendlyName, Attributes = attributes };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Trusthub/V1/EndUserTypeResource.cs b/src/Twilio/Rest/Trusthub/V1/EndUserTypeResource.cs
index 6f4772fbf..f6d21dab7 100644
--- a/src/Twilio/Rest/Trusthub/V1/EndUserTypeResource.cs
+++ b/src/Twilio/Rest/Trusthub/V1/EndUserTypeResource.cs
@@ -67,10 +67,10 @@ public static EndUserTypeResource Fetch(FetchEndUserTypeOptions options, ITwilio
         /// <param name="options"> Fetch EndUserType parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUserType </returns>
-        public static async System.Threading.Tasks.Task<EndUserTypeResource> FetchAsync(FetchEndUserTypeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EndUserTypeResource> FetchAsync(FetchEndUserTypeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static EndUserTypeResource Fetch(
         /// <param name="pathSid"> The unique string that identifies the End-User Type resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUserType </returns>
-        public static async System.Threading.Tasks.Task<EndUserTypeResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EndUserTypeResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchEndUserTypeOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<EndUserTypeResource> Read(ReadEndUserTypeOptions optio
         /// <param name="options"> Read EndUserType parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of EndUserType </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<EndUserTypeResource>> ReadAsync(ReadEndUserTypeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<EndUserTypeResource>> ReadAsync(ReadEndUserTypeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<EndUserTypeResource>.FromJson("end_user_types", response.Content);
             return new ResourceSet<EndUserTypeResource>(page, options, client);
@@ -161,10 +161,10 @@ public static ResourceSet<EndUserTypeResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<EndUserTypeResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadEndUserTypeOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Trusthub/V1/PoliciesResource.cs b/src/Twilio/Rest/Trusthub/V1/PoliciesResource.cs
index 96bc44f6f..66df80848 100644
--- a/src/Twilio/Rest/Trusthub/V1/PoliciesResource.cs
+++ b/src/Twilio/Rest/Trusthub/V1/PoliciesResource.cs
@@ -67,10 +67,10 @@ public static PoliciesResource Fetch(FetchPoliciesOptions options, ITwilioRestCl
         /// <param name="options"> Fetch Policies parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Policies </returns>
-        public static async System.Threading.Tasks.Task<PoliciesResource> FetchAsync(FetchPoliciesOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PoliciesResource> FetchAsync(FetchPoliciesOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static PoliciesResource Fetch(
         /// <param name="pathSid"> The unique string that identifies the Policy resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Policies </returns>
-        public static async System.Threading.Tasks.Task<PoliciesResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PoliciesResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPoliciesOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<PoliciesResource> Read(ReadPoliciesOptions options, IT
         /// <param name="options"> Read Policies parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Policies </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<PoliciesResource>> ReadAsync(ReadPoliciesOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<PoliciesResource>> ReadAsync(ReadPoliciesOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<PoliciesResource>.FromJson("results", response.Content);
             return new ResourceSet<PoliciesResource>(page, options, client);
@@ -161,10 +161,10 @@ public static ResourceSet<PoliciesResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<PoliciesResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadPoliciesOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Trusthub/V1/SupportingDocumentResource.cs b/src/Twilio/Rest/Trusthub/V1/SupportingDocumentResource.cs
index 3e27923f4..882695e1d 100644
--- a/src/Twilio/Rest/Trusthub/V1/SupportingDocumentResource.cs
+++ b/src/Twilio/Rest/Trusthub/V1/SupportingDocumentResource.cs
@@ -83,10 +83,10 @@ public static SupportingDocumentResource Create(CreateSupportingDocumentOptions
         /// <param name="options"> Create SupportingDocument parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocument </returns>
-        public static async System.Threading.Tasks.Task<SupportingDocumentResource> CreateAsync(CreateSupportingDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SupportingDocumentResource> CreateAsync(CreateSupportingDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -118,10 +118,10 @@ public static async System.Threading.Tasks.Task<SupportingDocumentResource> Crea
                                                                                   string friendlyName,
                                                                                   string type,
                                                                                   object attributes = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSupportingDocumentOptions(friendlyName, type){  Attributes = attributes };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -162,11 +162,12 @@ public static bool Delete(DeleteSupportingDocumentOptions options, ITwilioRestCl
         /// <param name="options"> Delete SupportingDocument parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocument </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSupportingDocumentOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSupportingDocumentOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -186,10 +187,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The unique string created by Twilio to identify the Supporting Document resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocument </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSupportingDocumentOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -226,10 +227,10 @@ public static SupportingDocumentResource Fetch(FetchSupportingDocumentOptions op
         /// <param name="options"> Fetch SupportingDocument parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocument </returns>
-        public static async System.Threading.Tasks.Task<SupportingDocumentResource> FetchAsync(FetchSupportingDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SupportingDocumentResource> FetchAsync(FetchSupportingDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -250,10 +251,10 @@ public static SupportingDocumentResource Fetch(
         /// <param name="pathSid"> The unique string created by Twilio to identify the Supporting Document resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocument </returns>
-        public static async System.Threading.Tasks.Task<SupportingDocumentResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SupportingDocumentResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSupportingDocumentOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -288,10 +289,10 @@ public static ResourceSet<SupportingDocumentResource> Read(ReadSupportingDocumen
         /// <param name="options"> Read SupportingDocument parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocument </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SupportingDocumentResource>> ReadAsync(ReadSupportingDocumentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SupportingDocumentResource>> ReadAsync(ReadSupportingDocumentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SupportingDocumentResource>.FromJson("results", response.Content);
             return new ResourceSet<SupportingDocumentResource>(page, options, client);
@@ -320,10 +321,10 @@ public static ResourceSet<SupportingDocumentResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<SupportingDocumentResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSupportingDocumentOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -410,11 +411,12 @@ public static SupportingDocumentResource Update(UpdateSupportingDocumentOptions
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocument </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SupportingDocumentResource> UpdateAsync(UpdateSupportingDocumentOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SupportingDocumentResource> UpdateAsync(UpdateSupportingDocumentOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -446,10 +448,10 @@ public static async System.Threading.Tasks.Task<SupportingDocumentResource> Upda
                                                                               string pathSid,
                                                                               string friendlyName = null,
                                                                               object attributes = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSupportingDocumentOptions(pathSid){ FriendlyName = friendlyName, Attributes = attributes };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Trusthub/V1/SupportingDocumentTypeResource.cs b/src/Twilio/Rest/Trusthub/V1/SupportingDocumentTypeResource.cs
index 2d40c316d..450ad00e7 100644
--- a/src/Twilio/Rest/Trusthub/V1/SupportingDocumentTypeResource.cs
+++ b/src/Twilio/Rest/Trusthub/V1/SupportingDocumentTypeResource.cs
@@ -67,10 +67,10 @@ public static SupportingDocumentTypeResource Fetch(FetchSupportingDocumentTypeOp
         /// <param name="options"> Fetch SupportingDocumentType parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocumentType </returns>
-        public static async System.Threading.Tasks.Task<SupportingDocumentTypeResource> FetchAsync(FetchSupportingDocumentTypeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SupportingDocumentTypeResource> FetchAsync(FetchSupportingDocumentTypeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static SupportingDocumentTypeResource Fetch(
         /// <param name="pathSid"> The unique string that identifies the Supporting Document Type resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocumentType </returns>
-        public static async System.Threading.Tasks.Task<SupportingDocumentTypeResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SupportingDocumentTypeResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSupportingDocumentTypeOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<SupportingDocumentTypeResource> Read(ReadSupportingDoc
         /// <param name="options"> Read SupportingDocumentType parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SupportingDocumentType </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SupportingDocumentTypeResource>> ReadAsync(ReadSupportingDocumentTypeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SupportingDocumentTypeResource>> ReadAsync(ReadSupportingDocumentTypeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SupportingDocumentTypeResource>.FromJson("supporting_document_types", response.Content);
             return new ResourceSet<SupportingDocumentTypeResource>(page, options, client);
@@ -161,10 +161,10 @@ public static ResourceSet<SupportingDocumentTypeResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<SupportingDocumentTypeResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSupportingDocumentTypeOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Trusthub/V1/TrustProducts/TrustProductsChannelEndpointAssignmentResource.cs b/src/Twilio/Rest/Trusthub/V1/TrustProducts/TrustProductsChannelEndpointAssignmentResource.cs
index 78c6afd33..22ea52e53 100644
--- a/src/Twilio/Rest/Trusthub/V1/TrustProducts/TrustProductsChannelEndpointAssignmentResource.cs
+++ b/src/Twilio/Rest/Trusthub/V1/TrustProducts/TrustProductsChannelEndpointAssignmentResource.cs
@@ -68,10 +68,10 @@ public static TrustProductsChannelEndpointAssignmentResource Create(CreateTrustP
         /// <param name="options"> Create TrustProductsChannelEndpointAssignment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProductsChannelEndpointAssignment </returns>
-        public static async System.Threading.Tasks.Task<TrustProductsChannelEndpointAssignmentResource> CreateAsync(CreateTrustProductsChannelEndpointAssignmentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrustProductsChannelEndpointAssignmentResource> CreateAsync(CreateTrustProductsChannelEndpointAssignmentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -103,10 +103,10 @@ public static async System.Threading.Tasks.Task<TrustProductsChannelEndpointAssi
                                                                                   string pathTrustProductSid,
                                                                                   string channelEndpointType,
                                                                                   string channelEndpointSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTrustProductsChannelEndpointAssignmentOptions(pathTrustProductSid, channelEndpointType, channelEndpointSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,11 +149,12 @@ public static bool Delete(DeleteTrustProductsChannelEndpointAssignmentOptions op
         /// <param name="options"> Delete TrustProductsChannelEndpointAssignment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProductsChannelEndpointAssignment </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTrustProductsChannelEndpointAssignmentOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTrustProductsChannelEndpointAssignmentOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -175,10 +176,10 @@ public static bool Delete(string pathTrustProductSid, string pathSid, ITwilioRes
         /// <param name="pathSid"> The unique string that we created to identify the resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProductsChannelEndpointAssignment </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathTrustProductSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathTrustProductSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteTrustProductsChannelEndpointAssignmentOptions(pathTrustProductSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -217,10 +218,10 @@ public static TrustProductsChannelEndpointAssignmentResource Fetch(FetchTrustPro
         /// <param name="options"> Fetch TrustProductsChannelEndpointAssignment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProductsChannelEndpointAssignment </returns>
-        public static async System.Threading.Tasks.Task<TrustProductsChannelEndpointAssignmentResource> FetchAsync(FetchTrustProductsChannelEndpointAssignmentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrustProductsChannelEndpointAssignmentResource> FetchAsync(FetchTrustProductsChannelEndpointAssignmentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -244,10 +245,10 @@ public static TrustProductsChannelEndpointAssignmentResource Fetch(
         /// <param name="pathSid"> The unique string that we created to identify the resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProductsChannelEndpointAssignment </returns>
-        public static async System.Threading.Tasks.Task<TrustProductsChannelEndpointAssignmentResource> FetchAsync(string pathTrustProductSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrustProductsChannelEndpointAssignmentResource> FetchAsync(string pathTrustProductSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTrustProductsChannelEndpointAssignmentOptions(pathTrustProductSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -284,10 +285,10 @@ public static ResourceSet<TrustProductsChannelEndpointAssignmentResource> Read(R
         /// <param name="options"> Read TrustProductsChannelEndpointAssignment parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProductsChannelEndpointAssignment </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TrustProductsChannelEndpointAssignmentResource>> ReadAsync(ReadTrustProductsChannelEndpointAssignmentOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TrustProductsChannelEndpointAssignmentResource>> ReadAsync(ReadTrustProductsChannelEndpointAssignmentOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<TrustProductsChannelEndpointAssignmentResource>.FromJson("results", response.Content);
             return new ResourceSet<TrustProductsChannelEndpointAssignmentResource>(page, options, client);
@@ -328,10 +329,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<TrustProductsChannel
                                                                                              string channelEndpointSids = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTrustProductsChannelEndpointAssignmentOptions(pathTrustProductSid){ ChannelEndpointSid = channelEndpointSid, ChannelEndpointSids = channelEndpointSids, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Trusthub/V1/TrustProducts/TrustProductsEntityAssignmentsResource.cs b/src/Twilio/Rest/Trusthub/V1/TrustProducts/TrustProductsEntityAssignmentsResource.cs
index 9316a25de..31d8bf92a 100644
--- a/src/Twilio/Rest/Trusthub/V1/TrustProducts/TrustProductsEntityAssignmentsResource.cs
+++ b/src/Twilio/Rest/Trusthub/V1/TrustProducts/TrustProductsEntityAssignmentsResource.cs
@@ -68,10 +68,10 @@ public static TrustProductsEntityAssignmentsResource Create(CreateTrustProductsE
         /// <param name="options"> Create TrustProductsEntityAssignments parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProductsEntityAssignments </returns>
-        public static async System.Threading.Tasks.Task<TrustProductsEntityAssignmentsResource> CreateAsync(CreateTrustProductsEntityAssignmentsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrustProductsEntityAssignmentsResource> CreateAsync(CreateTrustProductsEntityAssignmentsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static TrustProductsEntityAssignmentsResource Create(
         public static async System.Threading.Tasks.Task<TrustProductsEntityAssignmentsResource> CreateAsync(
                                                                                   string pathTrustProductSid,
                                                                                   string objectSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTrustProductsEntityAssignmentsOptions(pathTrustProductSid, objectSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteTrustProductsEntityAssignmentsOptions options, I
         /// <param name="options"> Delete TrustProductsEntityAssignments parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProductsEntityAssignments </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTrustProductsEntityAssignmentsOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTrustProductsEntityAssignmentsOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathTrustProductSid, string pathSid, ITwilioRes
         /// <param name="pathSid"> The unique string that we created to identify the Identity resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProductsEntityAssignments </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathTrustProductSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathTrustProductSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteTrustProductsEntityAssignmentsOptions(pathTrustProductSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static TrustProductsEntityAssignmentsResource Fetch(FetchTrustProductsEnt
         /// <param name="options"> Fetch TrustProductsEntityAssignments parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProductsEntityAssignments </returns>
-        public static async System.Threading.Tasks.Task<TrustProductsEntityAssignmentsResource> FetchAsync(FetchTrustProductsEntityAssignmentsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrustProductsEntityAssignmentsResource> FetchAsync(FetchTrustProductsEntityAssignmentsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static TrustProductsEntityAssignmentsResource Fetch(
         /// <param name="pathSid"> The unique string that we created to identify the Identity resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProductsEntityAssignments </returns>
-        public static async System.Threading.Tasks.Task<TrustProductsEntityAssignmentsResource> FetchAsync(string pathTrustProductSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrustProductsEntityAssignmentsResource> FetchAsync(string pathTrustProductSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTrustProductsEntityAssignmentsOptions(pathTrustProductSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<TrustProductsEntityAssignmentsResource> Read(ReadTrust
         /// <param name="options"> Read TrustProductsEntityAssignments parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProductsEntityAssignments </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TrustProductsEntityAssignmentsResource>> ReadAsync(ReadTrustProductsEntityAssignmentsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TrustProductsEntityAssignmentsResource>> ReadAsync(ReadTrustProductsEntityAssignmentsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<TrustProductsEntityAssignmentsResource>.FromJson("results", response.Content);
             return new ResourceSet<TrustProductsEntityAssignmentsResource>(page, options, client);
@@ -320,10 +321,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<TrustProductsEntityA
                                                                                              string objectType = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTrustProductsEntityAssignmentsOptions(pathTrustProductSid){ ObjectType = objectType, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Trusthub/V1/TrustProducts/TrustProductsEvaluationsResource.cs b/src/Twilio/Rest/Trusthub/V1/TrustProducts/TrustProductsEvaluationsResource.cs
index fd7c4a2cb..c3438fe99 100644
--- a/src/Twilio/Rest/Trusthub/V1/TrustProducts/TrustProductsEvaluationsResource.cs
+++ b/src/Twilio/Rest/Trusthub/V1/TrustProducts/TrustProductsEvaluationsResource.cs
@@ -81,10 +81,10 @@ public static TrustProductsEvaluationsResource Create(CreateTrustProductsEvaluat
         /// <param name="options"> Create TrustProductsEvaluations parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProductsEvaluations </returns>
-        public static async System.Threading.Tasks.Task<TrustProductsEvaluationsResource> CreateAsync(CreateTrustProductsEvaluationsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrustProductsEvaluationsResource> CreateAsync(CreateTrustProductsEvaluationsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -112,10 +112,10 @@ public static TrustProductsEvaluationsResource Create(
         public static async System.Threading.Tasks.Task<TrustProductsEvaluationsResource> CreateAsync(
                                                                                   string pathTrustProductSid,
                                                                                   string policySid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTrustProductsEvaluationsOptions(pathTrustProductSid, policySid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -154,10 +154,10 @@ public static TrustProductsEvaluationsResource Fetch(FetchTrustProductsEvaluatio
         /// <param name="options"> Fetch TrustProductsEvaluations parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProductsEvaluations </returns>
-        public static async System.Threading.Tasks.Task<TrustProductsEvaluationsResource> FetchAsync(FetchTrustProductsEvaluationsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrustProductsEvaluationsResource> FetchAsync(FetchTrustProductsEvaluationsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -181,10 +181,10 @@ public static TrustProductsEvaluationsResource Fetch(
         /// <param name="pathSid"> The unique string that identifies the Evaluation resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProductsEvaluations </returns>
-        public static async System.Threading.Tasks.Task<TrustProductsEvaluationsResource> FetchAsync(string pathTrustProductSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrustProductsEvaluationsResource> FetchAsync(string pathTrustProductSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTrustProductsEvaluationsOptions(pathTrustProductSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -221,10 +221,10 @@ public static ResourceSet<TrustProductsEvaluationsResource> Read(ReadTrustProduc
         /// <param name="options"> Read TrustProductsEvaluations parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProductsEvaluations </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TrustProductsEvaluationsResource>> ReadAsync(ReadTrustProductsEvaluationsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TrustProductsEvaluationsResource>> ReadAsync(ReadTrustProductsEvaluationsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<TrustProductsEvaluationsResource>.FromJson("results", response.Content);
             return new ResourceSet<TrustProductsEvaluationsResource>(page, options, client);
@@ -257,10 +257,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<TrustProductsEvaluat
                                                                                              string pathTrustProductSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTrustProductsEvaluationsOptions(pathTrustProductSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Trusthub/V1/TrustProductsResource.cs b/src/Twilio/Rest/Trusthub/V1/TrustProductsResource.cs
index b96905eb2..ea197515d 100644
--- a/src/Twilio/Rest/Trusthub/V1/TrustProductsResource.cs
+++ b/src/Twilio/Rest/Trusthub/V1/TrustProductsResource.cs
@@ -82,10 +82,10 @@ public static TrustProductsResource Create(CreateTrustProductsOptions options, I
         /// <param name="options"> Create TrustProducts parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProducts </returns>
-        public static async System.Threading.Tasks.Task<TrustProductsResource> CreateAsync(CreateTrustProductsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrustProductsResource> CreateAsync(CreateTrustProductsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -121,10 +121,10 @@ public static async System.Threading.Tasks.Task<TrustProductsResource> CreateAsy
                                                                                   string email,
                                                                                   string policySid,
                                                                                   Uri statusCallback = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateTrustProductsOptions(friendlyName, email, policySid){  StatusCallback = statusCallback };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -165,11 +165,12 @@ public static bool Delete(DeleteTrustProductsOptions options, ITwilioRestClient
         /// <param name="options"> Delete TrustProducts parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProducts </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTrustProductsOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteTrustProductsOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -189,10 +190,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The unique string that we created to identify the Trust Product resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProducts </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteTrustProductsOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -229,10 +230,10 @@ public static TrustProductsResource Fetch(FetchTrustProductsOptions options, ITw
         /// <param name="options"> Fetch TrustProducts parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProducts </returns>
-        public static async System.Threading.Tasks.Task<TrustProductsResource> FetchAsync(FetchTrustProductsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrustProductsResource> FetchAsync(FetchTrustProductsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -253,10 +254,10 @@ public static TrustProductsResource Fetch(
         /// <param name="pathSid"> The unique string that we created to identify the Trust Product resource. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProducts </returns>
-        public static async System.Threading.Tasks.Task<TrustProductsResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrustProductsResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchTrustProductsOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -291,10 +292,10 @@ public static ResourceSet<TrustProductsResource> Read(ReadTrustProductsOptions o
         /// <param name="options"> Read TrustProducts parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProducts </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TrustProductsResource>> ReadAsync(ReadTrustProductsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TrustProductsResource>> ReadAsync(ReadTrustProductsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<TrustProductsResource>.FromJson("results", response.Content);
             return new ResourceSet<TrustProductsResource>(page, options, client);
@@ -335,10 +336,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<TrustProductsResourc
                                                                                              string policySid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTrustProductsOptions(){ Status = status, FriendlyName = friendlyName, PolicySid = policySid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -425,11 +426,12 @@ public static TrustProductsResource Update(UpdateTrustProductsOptions options, I
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of TrustProducts </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<TrustProductsResource> UpdateAsync(UpdateTrustProductsOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<TrustProductsResource> UpdateAsync(UpdateTrustProductsOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -469,10 +471,10 @@ public static async System.Threading.Tasks.Task<TrustProductsResource> UpdateAsy
                                                                               Uri statusCallback = null,
                                                                               string friendlyName = null,
                                                                               string email = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateTrustProductsOptions(pathSid){ Status = status, StatusCallback = statusCallback, FriendlyName = friendlyName, Email = email };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Verify/V2/FormResource.cs b/src/Twilio/Rest/Verify/V2/FormResource.cs
index ecaf897e9..fb3f5634d 100644
--- a/src/Twilio/Rest/Verify/V2/FormResource.cs
+++ b/src/Twilio/Rest/Verify/V2/FormResource.cs
@@ -79,10 +79,10 @@ public static FormResource Fetch(FetchFormOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Form parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Form </returns>
-        public static async System.Threading.Tasks.Task<FormResource> FetchAsync(FetchFormOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FormResource> FetchAsync(FetchFormOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -103,10 +103,10 @@ public static FormResource Fetch(
         /// <param name="pathFormType"> The Type of this Form. Currently only `form-push` is supported. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Form </returns>
-        public static async System.Threading.Tasks.Task<FormResource> FetchAsync(FormResource.FormTypesEnum pathFormType, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FormResource> FetchAsync(FormResource.FormTypesEnum pathFormType, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchFormOptions(pathFormType){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Verify/V2/SafelistResource.cs b/src/Twilio/Rest/Verify/V2/SafelistResource.cs
index d403cfd1f..7b034d04c 100644
--- a/src/Twilio/Rest/Verify/V2/SafelistResource.cs
+++ b/src/Twilio/Rest/Verify/V2/SafelistResource.cs
@@ -66,10 +66,10 @@ public static SafelistResource Create(CreateSafelistOptions options, ITwilioRest
         /// <param name="options"> Create Safelist parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Safelist </returns>
-        public static async System.Threading.Tasks.Task<SafelistResource> CreateAsync(CreateSafelistOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SafelistResource> CreateAsync(CreateSafelistOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -93,10 +93,10 @@ public static SafelistResource Create(
         /// <returns> Task that resolves to A single instance of Safelist </returns>
         public static async System.Threading.Tasks.Task<SafelistResource> CreateAsync(
                                                                                   string phoneNumber,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSafelistOptions(phoneNumber){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -137,11 +137,12 @@ public static bool Delete(DeleteSafelistOptions options, ITwilioRestClient clien
         /// <param name="options"> Delete Safelist parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Safelist </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSafelistOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSafelistOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -161,10 +162,10 @@ public static bool Delete(string pathPhoneNumber, ITwilioRestClient client = nul
         /// <param name="pathPhoneNumber"> The phone number to be removed from SafeList. Phone numbers must be in [E.164 format](https://www.twilio.com/docs/glossary/what-e164). </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Safelist </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathPhoneNumber, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathPhoneNumber, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSafelistOptions(pathPhoneNumber) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -201,10 +202,10 @@ public static SafelistResource Fetch(FetchSafelistOptions options, ITwilioRestCl
         /// <param name="options"> Fetch Safelist parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Safelist </returns>
-        public static async System.Threading.Tasks.Task<SafelistResource> FetchAsync(FetchSafelistOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SafelistResource> FetchAsync(FetchSafelistOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -225,10 +226,10 @@ public static SafelistResource Fetch(
         /// <param name="pathPhoneNumber"> The phone number to be fetched from SafeList. Phone numbers must be in [E.164 format](https://www.twilio.com/docs/glossary/what-e164). </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Safelist </returns>
-        public static async System.Threading.Tasks.Task<SafelistResource> FetchAsync(string pathPhoneNumber, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SafelistResource> FetchAsync(string pathPhoneNumber, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSafelistOptions(pathPhoneNumber){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Verify/V2/Service/AccessTokenResource.cs b/src/Twilio/Rest/Verify/V2/Service/AccessTokenResource.cs
index e1302904a..e90becbc5 100644
--- a/src/Twilio/Rest/Verify/V2/Service/AccessTokenResource.cs
+++ b/src/Twilio/Rest/Verify/V2/Service/AccessTokenResource.cs
@@ -80,10 +80,10 @@ public static AccessTokenResource Create(CreateAccessTokenOptions options, ITwil
         /// <param name="options"> Create AccessToken parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccessToken </returns>
-        public static async System.Threading.Tasks.Task<AccessTokenResource> CreateAsync(CreateAccessTokenOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccessTokenResource> CreateAsync(CreateAccessTokenOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -123,10 +123,10 @@ public static async System.Threading.Tasks.Task<AccessTokenResource> CreateAsync
                                                                                   AccessTokenResource.FactorTypesEnum factorType,
                                                                                   string factorFriendlyName = null,
                                                                                   int? ttl = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateAccessTokenOptions(pathServiceSid, identity, factorType){  FactorFriendlyName = factorFriendlyName, Ttl = ttl };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -165,10 +165,10 @@ public static AccessTokenResource Fetch(FetchAccessTokenOptions options, ITwilio
         /// <param name="options"> Fetch AccessToken parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccessToken </returns>
-        public static async System.Threading.Tasks.Task<AccessTokenResource> FetchAsync(FetchAccessTokenOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccessTokenResource> FetchAsync(FetchAccessTokenOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -192,10 +192,10 @@ public static AccessTokenResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Access Token. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of AccessToken </returns>
-        public static async System.Threading.Tasks.Task<AccessTokenResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AccessTokenResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchAccessTokenOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Verify/V2/Service/Entity/Challenge/NotificationResource.cs b/src/Twilio/Rest/Verify/V2/Service/Entity/Challenge/NotificationResource.cs
index 10ac7524f..a2c7e6062 100644
--- a/src/Twilio/Rest/Verify/V2/Service/Entity/Challenge/NotificationResource.cs
+++ b/src/Twilio/Rest/Verify/V2/Service/Entity/Challenge/NotificationResource.cs
@@ -72,10 +72,10 @@ public static NotificationResource Create(CreateNotificationOptions options, ITw
         /// <param name="options"> Create Notification parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Notification </returns>
-        public static async System.Threading.Tasks.Task<NotificationResource> CreateAsync(CreateNotificationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NotificationResource> CreateAsync(CreateNotificationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -111,10 +111,10 @@ public static async System.Threading.Tasks.Task<NotificationResource> CreateAsyn
                                                                                   string pathIdentity,
                                                                                   string pathChallengeSid,
                                                                                   int? ttl = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateNotificationOptions(pathServiceSid, pathIdentity, pathChallengeSid){  Ttl = ttl };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Verify/V2/Service/Entity/ChallengeResource.cs b/src/Twilio/Rest/Verify/V2/Service/Entity/ChallengeResource.cs
index 300a97c01..7e440bb22 100644
--- a/src/Twilio/Rest/Verify/V2/Service/Entity/ChallengeResource.cs
+++ b/src/Twilio/Rest/Verify/V2/Service/Entity/ChallengeResource.cs
@@ -124,10 +124,10 @@ public static ChallengeResource Create(CreateChallengeOptions options, ITwilioRe
         /// <param name="options"> Create Challenge parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Challenge </returns>
-        public static async System.Threading.Tasks.Task<ChallengeResource> CreateAsync(CreateChallengeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChallengeResource> CreateAsync(CreateChallengeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -179,10 +179,10 @@ public static async System.Threading.Tasks.Task<ChallengeResource> CreateAsync(
                                                                                   List<object> detailsFields = null,
                                                                                   object hiddenDetails = null,
                                                                                   string authPayload = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateChallengeOptions(pathServiceSid, pathIdentity, factorSid){  ExpirationDate = expirationDate, DetailsMessage = detailsMessage, DetailsFields = detailsFields, HiddenDetails = hiddenDetails, AuthPayload = authPayload };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -223,10 +223,10 @@ public static ChallengeResource Fetch(FetchChallengeOptions options, ITwilioRest
         /// <param name="options"> Fetch Challenge parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Challenge </returns>
-        public static async System.Threading.Tasks.Task<ChallengeResource> FetchAsync(FetchChallengeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChallengeResource> FetchAsync(FetchChallengeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -253,10 +253,10 @@ public static ChallengeResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Challenge. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Challenge </returns>
-        public static async System.Threading.Tasks.Task<ChallengeResource> FetchAsync(string pathServiceSid, string pathIdentity, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChallengeResource> FetchAsync(string pathServiceSid, string pathIdentity, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchChallengeOptions(pathServiceSid, pathIdentity, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -295,10 +295,10 @@ public static ResourceSet<ChallengeResource> Read(ReadChallengeOptions options,
         /// <param name="options"> Read Challenge parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Challenge </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ChallengeResource>> ReadAsync(ReadChallengeOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ChallengeResource>> ReadAsync(ReadChallengeOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ChallengeResource>.FromJson("challenges", response.Content);
             return new ResourceSet<ChallengeResource>(page, options, client);
@@ -347,10 +347,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ChallengeResource>>
                                                                                              ChallengeResource.ListOrdersEnum order = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadChallengeOptions(pathServiceSid, pathIdentity){ FactorSid = factorSid, Status = status, Order = order, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -441,11 +441,12 @@ public static ChallengeResource Update(UpdateChallengeOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Challenge </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ChallengeResource> UpdateAsync(UpdateChallengeOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ChallengeResource> UpdateAsync(UpdateChallengeOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -485,10 +486,10 @@ public static async System.Threading.Tasks.Task<ChallengeResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string authPayload = null,
                                                                               object metadata = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateChallengeOptions(pathServiceSid, pathIdentity, pathSid){ AuthPayload = authPayload, Metadata = metadata };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Verify/V2/Service/Entity/FactorResource.cs b/src/Twilio/Rest/Verify/V2/Service/Entity/FactorResource.cs
index ebe964a9b..4bcd36d5d 100644
--- a/src/Twilio/Rest/Verify/V2/Service/Entity/FactorResource.cs
+++ b/src/Twilio/Rest/Verify/V2/Service/Entity/FactorResource.cs
@@ -114,11 +114,12 @@ public static bool Delete(DeleteFactorOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Factor parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Factor </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteFactorOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteFactorOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -142,10 +143,10 @@ public static bool Delete(string pathServiceSid, string pathIdentity, string pat
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Factor. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Factor </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathIdentity, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathIdentity, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteFactorOptions(pathServiceSid, pathIdentity, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -186,10 +187,10 @@ public static FactorResource Fetch(FetchFactorOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Factor parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Factor </returns>
-        public static async System.Threading.Tasks.Task<FactorResource> FetchAsync(FetchFactorOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FactorResource> FetchAsync(FetchFactorOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -216,10 +217,10 @@ public static FactorResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Factor. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Factor </returns>
-        public static async System.Threading.Tasks.Task<FactorResource> FetchAsync(string pathServiceSid, string pathIdentity, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FactorResource> FetchAsync(string pathServiceSid, string pathIdentity, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchFactorOptions(pathServiceSid, pathIdentity, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -258,10 +259,10 @@ public static ResourceSet<FactorResource> Read(ReadFactorOptions options, ITwili
         /// <param name="options"> Read Factor parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Factor </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<FactorResource>> ReadAsync(ReadFactorOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<FactorResource>> ReadAsync(ReadFactorOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<FactorResource>.FromJson("factors", response.Content);
             return new ResourceSet<FactorResource>(page, options, client);
@@ -298,10 +299,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<FactorResource>> Rea
                                                                                              string pathIdentity,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadFactorOptions(pathServiceSid, pathIdentity){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -392,11 +393,12 @@ public static FactorResource Update(UpdateFactorOptions options, ITwilioRestClie
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Factor </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<FactorResource> UpdateAsync(UpdateFactorOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<FactorResource> UpdateAsync(UpdateFactorOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -464,10 +466,10 @@ public static async System.Threading.Tasks.Task<FactorResource> UpdateAsync(
                                                                               int? configCodeLength = null,
                                                                               FactorResource.TotpAlgorithmsEnum configAlg = null,
                                                                               string configNotificationPlatform = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateFactorOptions(pathServiceSid, pathIdentity, pathSid){ AuthPayload = authPayload, FriendlyName = friendlyName, ConfigNotificationToken = configNotificationToken, ConfigSdkVersion = configSdkVersion, ConfigTimeStep = configTimeStep, ConfigSkew = configSkew, ConfigCodeLength = configCodeLength, ConfigAlg = configAlg, ConfigNotificationPlatform = configNotificationPlatform };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Verify/V2/Service/Entity/NewFactorResource.cs b/src/Twilio/Rest/Verify/V2/Service/Entity/NewFactorResource.cs
index 9c4967d3a..0b5f149b4 100644
--- a/src/Twilio/Rest/Verify/V2/Service/Entity/NewFactorResource.cs
+++ b/src/Twilio/Rest/Verify/V2/Service/Entity/NewFactorResource.cs
@@ -122,10 +122,10 @@ public static NewFactorResource Create(CreateNewFactorOptions options, ITwilioRe
         /// <param name="options"> Create NewFactor parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of NewFactor </returns>
-        public static async System.Threading.Tasks.Task<NewFactorResource> CreateAsync(CreateNewFactorOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<NewFactorResource> CreateAsync(CreateNewFactorOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -209,10 +209,10 @@ public static async System.Threading.Tasks.Task<NewFactorResource> CreateAsync(
                                                                                   int? configCodeLength = null,
                                                                                   NewFactorResource.TotpAlgorithmsEnum configAlg = null,
                                                                                   object metadata = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateNewFactorOptions(pathServiceSid, pathIdentity, friendlyName, factorType){  BindingAlg = bindingAlg, BindingPublicKey = bindingPublicKey, ConfigAppId = configAppId, ConfigNotificationPlatform = configNotificationPlatform, ConfigNotificationToken = configNotificationToken, ConfigSdkVersion = configSdkVersion, BindingSecret = bindingSecret, ConfigTimeStep = configTimeStep, ConfigSkew = configSkew, ConfigCodeLength = configCodeLength, ConfigAlg = configAlg, Metadata = metadata };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Verify/V2/Service/EntityResource.cs b/src/Twilio/Rest/Verify/V2/Service/EntityResource.cs
index eddc90569..cd81e5042 100644
--- a/src/Twilio/Rest/Verify/V2/Service/EntityResource.cs
+++ b/src/Twilio/Rest/Verify/V2/Service/EntityResource.cs
@@ -68,10 +68,10 @@ public static EntityResource Create(CreateEntityOptions options, ITwilioRestClie
         /// <param name="options"> Create Entity parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Entity </returns>
-        public static async System.Threading.Tasks.Task<EntityResource> CreateAsync(CreateEntityOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EntityResource> CreateAsync(CreateEntityOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -99,10 +99,10 @@ public static EntityResource Create(
         public static async System.Threading.Tasks.Task<EntityResource> CreateAsync(
                                                                                   string pathServiceSid,
                                                                                   string identity,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateEntityOptions(pathServiceSid, identity){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteEntityOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Entity parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Entity </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteEntityOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteEntityOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -171,10 +172,10 @@ public static bool Delete(string pathServiceSid, string pathIdentity, ITwilioRes
         /// <param name="pathIdentity"> The unique external identifier for the Entity of the Service. This identifier should be immutable, not PII, length between 8 and 64 characters, and generated by your external system, such as your user's UUID, GUID, or SID. It can only contain dash (-) separated alphanumeric characters. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Entity </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathIdentity, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathIdentity, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteEntityOptions(pathServiceSid, pathIdentity) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,10 +214,10 @@ public static EntityResource Fetch(FetchEntityOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Entity parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Entity </returns>
-        public static async System.Threading.Tasks.Task<EntityResource> FetchAsync(FetchEntityOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EntityResource> FetchAsync(FetchEntityOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -240,10 +241,10 @@ public static EntityResource Fetch(
         /// <param name="pathIdentity"> The unique external identifier for the Entity of the Service. This identifier should be immutable, not PII, length between 8 and 64 characters, and generated by your external system, such as your user's UUID, GUID, or SID. It can only contain dash (-) separated alphanumeric characters. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Entity </returns>
-        public static async System.Threading.Tasks.Task<EntityResource> FetchAsync(string pathServiceSid, string pathIdentity, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<EntityResource> FetchAsync(string pathServiceSid, string pathIdentity, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchEntityOptions(pathServiceSid, pathIdentity){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static ResourceSet<EntityResource> Read(ReadEntityOptions options, ITwili
         /// <param name="options"> Read Entity parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Entity </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<EntityResource>> ReadAsync(ReadEntityOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<EntityResource>> ReadAsync(ReadEntityOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<EntityResource>.FromJson("entities", response.Content);
             return new ResourceSet<EntityResource>(page, options, client);
@@ -316,10 +317,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<EntityResource>> Rea
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadEntityOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Verify/V2/Service/MessagingConfigurationResource.cs b/src/Twilio/Rest/Verify/V2/Service/MessagingConfigurationResource.cs
index 60b4f4617..1ca28318d 100644
--- a/src/Twilio/Rest/Verify/V2/Service/MessagingConfigurationResource.cs
+++ b/src/Twilio/Rest/Verify/V2/Service/MessagingConfigurationResource.cs
@@ -68,10 +68,10 @@ public static MessagingConfigurationResource Create(CreateMessagingConfiguration
         /// <param name="options"> Create MessagingConfiguration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of MessagingConfiguration </returns>
-        public static async System.Threading.Tasks.Task<MessagingConfigurationResource> CreateAsync(CreateMessagingConfigurationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessagingConfigurationResource> CreateAsync(CreateMessagingConfigurationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -103,10 +103,10 @@ public static async System.Threading.Tasks.Task<MessagingConfigurationResource>
                                                                                   string pathServiceSid,
                                                                                   string country,
                                                                                   string messagingServiceSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateMessagingConfigurationOptions(pathServiceSid, country, messagingServiceSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,11 +149,12 @@ public static bool Delete(DeleteMessagingConfigurationOptions options, ITwilioRe
         /// <param name="options"> Delete MessagingConfiguration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of MessagingConfiguration </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMessagingConfigurationOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteMessagingConfigurationOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -175,10 +176,10 @@ public static bool Delete(string pathServiceSid, string pathCountry, ITwilioRest
         /// <param name="pathCountry"> The [ISO-3166-1](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2) country code of the country this configuration will be applied to. If this is a global configuration, Country will take the value `all`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of MessagingConfiguration </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathCountry, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathCountry, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteMessagingConfigurationOptions(pathServiceSid, pathCountry) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -217,10 +218,10 @@ public static MessagingConfigurationResource Fetch(FetchMessagingConfigurationOp
         /// <param name="options"> Fetch MessagingConfiguration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of MessagingConfiguration </returns>
-        public static async System.Threading.Tasks.Task<MessagingConfigurationResource> FetchAsync(FetchMessagingConfigurationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessagingConfigurationResource> FetchAsync(FetchMessagingConfigurationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -244,10 +245,10 @@ public static MessagingConfigurationResource Fetch(
         /// <param name="pathCountry"> The [ISO-3166-1](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2) country code of the country this configuration will be applied to. If this is a global configuration, Country will take the value `all`. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of MessagingConfiguration </returns>
-        public static async System.Threading.Tasks.Task<MessagingConfigurationResource> FetchAsync(string pathServiceSid, string pathCountry, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessagingConfigurationResource> FetchAsync(string pathServiceSid, string pathCountry, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchMessagingConfigurationOptions(pathServiceSid, pathCountry){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -284,10 +285,10 @@ public static ResourceSet<MessagingConfigurationResource> Read(ReadMessagingConf
         /// <param name="options"> Read MessagingConfiguration parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of MessagingConfiguration </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<MessagingConfigurationResource>> ReadAsync(ReadMessagingConfigurationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<MessagingConfigurationResource>> ReadAsync(ReadMessagingConfigurationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<MessagingConfigurationResource>.FromJson("messaging_configurations", response.Content);
             return new ResourceSet<MessagingConfigurationResource>(page, options, client);
@@ -320,10 +321,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<MessagingConfigurati
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadMessagingConfigurationOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -412,11 +413,12 @@ public static MessagingConfigurationResource Update(UpdateMessagingConfiguration
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of MessagingConfiguration </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<MessagingConfigurationResource> UpdateAsync(UpdateMessagingConfigurationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<MessagingConfigurationResource> UpdateAsync(UpdateMessagingConfigurationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -448,10 +450,10 @@ public static async System.Threading.Tasks.Task<MessagingConfigurationResource>
                                                                               string pathServiceSid,
                                                                               string pathCountry,
                                                                               string messagingServiceSid,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateMessagingConfigurationOptions(pathServiceSid, pathCountry, messagingServiceSid){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Verify/V2/Service/RateLimit/BucketResource.cs b/src/Twilio/Rest/Verify/V2/Service/RateLimit/BucketResource.cs
index 90ec228ef..da4e42bdd 100644
--- a/src/Twilio/Rest/Verify/V2/Service/RateLimit/BucketResource.cs
+++ b/src/Twilio/Rest/Verify/V2/Service/RateLimit/BucketResource.cs
@@ -70,10 +70,10 @@ public static BucketResource Create(CreateBucketOptions options, ITwilioRestClie
         /// <param name="options"> Create Bucket parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Bucket </returns>
-        public static async System.Threading.Tasks.Task<BucketResource> CreateAsync(CreateBucketOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BucketResource> CreateAsync(CreateBucketOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -109,10 +109,10 @@ public static async System.Threading.Tasks.Task<BucketResource> CreateAsync(
                                                                                   string pathRateLimitSid,
                                                                                   int? max,
                                                                                   int? interval,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateBucketOptions(pathServiceSid, pathRateLimitSid, max, interval){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,11 +157,12 @@ public static bool Delete(DeleteBucketOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Bucket parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Bucket </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteBucketOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteBucketOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -185,10 +186,10 @@ public static bool Delete(string pathServiceSid, string pathRateLimitSid, string
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Bucket. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Bucket </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathRateLimitSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathRateLimitSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteBucketOptions(pathServiceSid, pathRateLimitSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -229,10 +230,10 @@ public static BucketResource Fetch(FetchBucketOptions options, ITwilioRestClient
         /// <param name="options"> Fetch Bucket parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Bucket </returns>
-        public static async System.Threading.Tasks.Task<BucketResource> FetchAsync(FetchBucketOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BucketResource> FetchAsync(FetchBucketOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -259,10 +260,10 @@ public static BucketResource Fetch(
         /// <param name="pathSid"> A 34 character string that uniquely identifies this Bucket. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Bucket </returns>
-        public static async System.Threading.Tasks.Task<BucketResource> FetchAsync(string pathServiceSid, string pathRateLimitSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BucketResource> FetchAsync(string pathServiceSid, string pathRateLimitSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchBucketOptions(pathServiceSid, pathRateLimitSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -301,10 +302,10 @@ public static ResourceSet<BucketResource> Read(ReadBucketOptions options, ITwili
         /// <param name="options"> Read Bucket parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Bucket </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<BucketResource>> ReadAsync(ReadBucketOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<BucketResource>> ReadAsync(ReadBucketOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<BucketResource>.FromJson("buckets", response.Content);
             return new ResourceSet<BucketResource>(page, options, client);
@@ -341,10 +342,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<BucketResource>> Rea
                                                                                              string pathRateLimitSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadBucketOptions(pathServiceSid, pathRateLimitSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -435,11 +436,12 @@ public static BucketResource Update(UpdateBucketOptions options, ITwilioRestClie
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Bucket </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<BucketResource> UpdateAsync(UpdateBucketOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BucketResource> UpdateAsync(UpdateBucketOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -479,10 +481,10 @@ public static async System.Threading.Tasks.Task<BucketResource> UpdateAsync(
                                                                               string pathSid,
                                                                               int? max = null,
                                                                               int? interval = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateBucketOptions(pathServiceSid, pathRateLimitSid, pathSid){ Max = max, Interval = interval };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Verify/V2/Service/RateLimitResource.cs b/src/Twilio/Rest/Verify/V2/Service/RateLimitResource.cs
index 64ba48162..6ca9da771 100644
--- a/src/Twilio/Rest/Verify/V2/Service/RateLimitResource.cs
+++ b/src/Twilio/Rest/Verify/V2/Service/RateLimitResource.cs
@@ -68,10 +68,10 @@ public static RateLimitResource Create(CreateRateLimitOptions options, ITwilioRe
         /// <param name="options"> Create RateLimit parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RateLimit </returns>
-        public static async System.Threading.Tasks.Task<RateLimitResource> CreateAsync(CreateRateLimitOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RateLimitResource> CreateAsync(CreateRateLimitOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -103,10 +103,10 @@ public static async System.Threading.Tasks.Task<RateLimitResource> CreateAsync(
                                                                                   string pathServiceSid,
                                                                                   string uniqueName,
                                                                                   string description = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateRateLimitOptions(pathServiceSid, uniqueName){  Description = description };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,11 +149,12 @@ public static bool Delete(DeleteRateLimitOptions options, ITwilioRestClient clie
         /// <param name="options"> Delete RateLimit parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RateLimit </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRateLimitOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRateLimitOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -175,10 +176,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Rate Limit resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RateLimit </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteRateLimitOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -217,10 +218,10 @@ public static RateLimitResource Fetch(FetchRateLimitOptions options, ITwilioRest
         /// <param name="options"> Fetch RateLimit parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RateLimit </returns>
-        public static async System.Threading.Tasks.Task<RateLimitResource> FetchAsync(FetchRateLimitOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RateLimitResource> FetchAsync(FetchRateLimitOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -244,10 +245,10 @@ public static RateLimitResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Rate Limit resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RateLimit </returns>
-        public static async System.Threading.Tasks.Task<RateLimitResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RateLimitResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRateLimitOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -284,10 +285,10 @@ public static ResourceSet<RateLimitResource> Read(ReadRateLimitOptions options,
         /// <param name="options"> Read RateLimit parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RateLimit </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RateLimitResource>> ReadAsync(ReadRateLimitOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RateLimitResource>> ReadAsync(ReadRateLimitOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RateLimitResource>.FromJson("rate_limits", response.Content);
             return new ResourceSet<RateLimitResource>(page, options, client);
@@ -320,10 +321,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<RateLimitResource>>
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRateLimitOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -412,11 +413,12 @@ public static RateLimitResource Update(UpdateRateLimitOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RateLimit </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<RateLimitResource> UpdateAsync(UpdateRateLimitOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RateLimitResource> UpdateAsync(UpdateRateLimitOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -448,10 +450,10 @@ public static async System.Threading.Tasks.Task<RateLimitResource> UpdateAsync(
                                                                               string pathServiceSid,
                                                                               string pathSid,
                                                                               string description = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateRateLimitOptions(pathServiceSid, pathSid){ Description = description };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Verify/V2/Service/VerificationCheckResource.cs b/src/Twilio/Rest/Verify/V2/Service/VerificationCheckResource.cs
index 25d7cac21..d24bfdaf7 100644
--- a/src/Twilio/Rest/Verify/V2/Service/VerificationCheckResource.cs
+++ b/src/Twilio/Rest/Verify/V2/Service/VerificationCheckResource.cs
@@ -84,10 +84,10 @@ public static VerificationCheckResource Create(CreateVerificationCheckOptions op
         /// <param name="options"> Create VerificationCheck parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of VerificationCheck </returns>
-        public static async System.Threading.Tasks.Task<VerificationCheckResource> CreateAsync(CreateVerificationCheckOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<VerificationCheckResource> CreateAsync(CreateVerificationCheckOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -135,10 +135,10 @@ public static async System.Threading.Tasks.Task<VerificationCheckResource> Creat
                                                                                   string amount = null,
                                                                                   string payee = null,
                                                                                   string snaClientToken = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateVerificationCheckOptions(pathServiceSid){  Code = code, To = to, VerificationSid = verificationSid, Amount = amount, Payee = payee, SnaClientToken = snaClientToken };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Verify/V2/Service/VerificationResource.cs b/src/Twilio/Rest/Verify/V2/Service/VerificationResource.cs
index 51ddd2a49..dd7ec1b6e 100644
--- a/src/Twilio/Rest/Verify/V2/Service/VerificationResource.cs
+++ b/src/Twilio/Rest/Verify/V2/Service/VerificationResource.cs
@@ -108,10 +108,10 @@ public static VerificationResource Create(CreateVerificationOptions options, ITw
         /// <param name="options"> Create Verification parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Verification </returns>
-        public static async System.Threading.Tasks.Task<VerificationResource> CreateAsync(CreateVerificationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<VerificationResource> CreateAsync(CreateVerificationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -207,10 +207,10 @@ public static async System.Threading.Tasks.Task<VerificationResource> CreateAsyn
                                                                                   bool? enableSnaClientToken = null,
                                                                                   VerificationResource.RiskCheckEnum riskCheck = null,
                                                                                   string tags = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateVerificationOptions(pathServiceSid, to, channel){  CustomFriendlyName = customFriendlyName, CustomMessage = customMessage, SendDigits = sendDigits, Locale = locale, CustomCode = customCode, Amount = amount, Payee = payee, RateLimits = rateLimits, ChannelConfiguration = channelConfiguration, AppHash = appHash, TemplateSid = templateSid, TemplateCustomSubstitutions = templateCustomSubstitutions, DeviceIp = deviceIp, EnableSnaClientToken = enableSnaClientToken, RiskCheck = riskCheck, Tags = tags };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -249,10 +249,10 @@ public static VerificationResource Fetch(FetchVerificationOptions options, ITwil
         /// <param name="options"> Fetch Verification parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Verification </returns>
-        public static async System.Threading.Tasks.Task<VerificationResource> FetchAsync(FetchVerificationOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<VerificationResource> FetchAsync(FetchVerificationOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -276,10 +276,10 @@ public static VerificationResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Verification resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Verification </returns>
-        public static async System.Threading.Tasks.Task<VerificationResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<VerificationResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchVerificationOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -319,11 +319,12 @@ public static VerificationResource Update(UpdateVerificationOptions options, ITw
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Verification </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<VerificationResource> UpdateAsync(UpdateVerificationOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<VerificationResource> UpdateAsync(UpdateVerificationOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -355,10 +356,10 @@ public static async System.Threading.Tasks.Task<VerificationResource> UpdateAsyn
                                                                               string pathServiceSid,
                                                                               string pathSid,
                                                                               VerificationResource.StatusEnum status,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateVerificationOptions(pathServiceSid, pathSid, status){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Verify/V2/Service/WebhookResource.cs b/src/Twilio/Rest/Verify/V2/Service/WebhookResource.cs
index 14b90c636..971c5e8fe 100644
--- a/src/Twilio/Rest/Verify/V2/Service/WebhookResource.cs
+++ b/src/Twilio/Rest/Verify/V2/Service/WebhookResource.cs
@@ -107,10 +107,10 @@ public static WebhookResource Create(CreateWebhookOptions options, ITwilioRestCl
         /// <param name="options"> Create Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> CreateAsync(CreateWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> CreateAsync(CreateWebhookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -154,10 +154,10 @@ public static async System.Threading.Tasks.Task<WebhookResource> CreateAsync(
                                                                                   string webhookUrl,
                                                                                   WebhookResource.StatusEnum status = null,
                                                                                   WebhookResource.VersionEnum version = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateWebhookOptions(pathServiceSid, friendlyName, eventTypes, webhookUrl){  Status = status, Version = version };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -200,11 +200,12 @@ public static bool Delete(DeleteWebhookOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWebhookOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteWebhookOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -226,10 +227,10 @@ public static bool Delete(string pathServiceSid, string pathSid, ITwilioRestClie
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Webhook resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteWebhookOptions(pathServiceSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -268,10 +269,10 @@ public static WebhookResource Fetch(FetchWebhookOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(FetchWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(FetchWebhookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -295,10 +296,10 @@ public static WebhookResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Webhook resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> FetchAsync(string pathServiceSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchWebhookOptions(pathServiceSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -335,10 +336,10 @@ public static ResourceSet<WebhookResource> Read(ReadWebhookOptions options, ITwi
         /// <param name="options"> Read Webhook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<WebhookResource>> ReadAsync(ReadWebhookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<WebhookResource>> ReadAsync(ReadWebhookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<WebhookResource>.FromJson("webhooks", response.Content);
             return new ResourceSet<WebhookResource>(page, options, client);
@@ -371,10 +372,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<WebhookResource>> Re
                                                                                              string pathServiceSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadWebhookOptions(pathServiceSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -463,11 +464,12 @@ public static WebhookResource Update(UpdateWebhookOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Webhook </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(UpdateWebhookOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(UpdateWebhookOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -515,10 +517,10 @@ public static async System.Threading.Tasks.Task<WebhookResource> UpdateAsync(
                                                                               string webhookUrl = null,
                                                                               WebhookResource.StatusEnum status = null,
                                                                               WebhookResource.VersionEnum version = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateWebhookOptions(pathServiceSid, pathSid){ FriendlyName = friendlyName, EventTypes = eventTypes, WebhookUrl = webhookUrl, Status = status, Version = version };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Verify/V2/ServiceResource.cs b/src/Twilio/Rest/Verify/V2/ServiceResource.cs
index 040d9d153..aa3cc5614 100644
--- a/src/Twilio/Rest/Verify/V2/ServiceResource.cs
+++ b/src/Twilio/Rest/Verify/V2/ServiceResource.cs
@@ -66,10 +66,10 @@ public static ServiceResource Create(CreateServiceOptions options, ITwilioRestCl
         /// <param name="options"> Create Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(CreateServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -169,10 +169,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> CreateAsync(
                                                                                   string whatsappMsgServiceSid = null,
                                                                                   string whatsappFrom = null,
                                                                                   bool? verifyEventSubscriptionEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateServiceOptions(friendlyName){  CodeLength = codeLength, LookupEnabled = lookupEnabled, SkipSmsToLandlines = skipSmsToLandlines, DtmfInputRequired = dtmfInputRequired, TtsName = ttsName, Psd2Enabled = psd2Enabled, DoNotShareWarningEnabled = doNotShareWarningEnabled, CustomCodeEnabled = customCodeEnabled, PushIncludeDate = pushIncludeDate, PushApnCredentialSid = pushApnCredentialSid, PushFcmCredentialSid = pushFcmCredentialSid, TotpIssuer = totpIssuer, TotpTimeStep = totpTimeStep, TotpCodeLength = totpCodeLength, TotpSkew = totpSkew, DefaultTemplateSid = defaultTemplateSid, WhatsappMsgServiceSid = whatsappMsgServiceSid, WhatsappFrom = whatsappFrom, VerifyEventSubscriptionEnabled = verifyEventSubscriptionEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -213,11 +213,12 @@ public static bool Delete(DeleteServiceOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteServiceOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -237,10 +238,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Verification Service resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteServiceOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -277,10 +278,10 @@ public static ServiceResource Fetch(FetchServiceOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(FetchServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -301,10 +302,10 @@ public static ServiceResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the Verification Service resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchServiceOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -339,10 +340,10 @@ public static ResourceSet<ServiceResource> Read(ReadServiceOptions options, ITwi
         /// <param name="options"> Read Service parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(ReadServiceOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ServiceResource>.FromJson("services", response.Content);
             return new ResourceSet<ServiceResource>(page, options, client);
@@ -371,10 +372,10 @@ public static ResourceSet<ServiceResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ServiceResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadServiceOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -461,11 +462,12 @@ public static ServiceResource Update(UpdateServiceOptions options, ITwilioRestCl
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Service </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(UpdateServiceOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -569,10 +571,10 @@ public static async System.Threading.Tasks.Task<ServiceResource> UpdateAsync(
                                                                               string whatsappMsgServiceSid = null,
                                                                               string whatsappFrom = null,
                                                                               bool? verifyEventSubscriptionEnabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateServiceOptions(pathSid){ FriendlyName = friendlyName, CodeLength = codeLength, LookupEnabled = lookupEnabled, SkipSmsToLandlines = skipSmsToLandlines, DtmfInputRequired = dtmfInputRequired, TtsName = ttsName, Psd2Enabled = psd2Enabled, DoNotShareWarningEnabled = doNotShareWarningEnabled, CustomCodeEnabled = customCodeEnabled, PushIncludeDate = pushIncludeDate, PushApnCredentialSid = pushApnCredentialSid, PushFcmCredentialSid = pushFcmCredentialSid, TotpIssuer = totpIssuer, TotpTimeStep = totpTimeStep, TotpCodeLength = totpCodeLength, TotpSkew = totpSkew, DefaultTemplateSid = defaultTemplateSid, WhatsappMsgServiceSid = whatsappMsgServiceSid, WhatsappFrom = whatsappFrom, VerifyEventSubscriptionEnabled = verifyEventSubscriptionEnabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Verify/V2/TemplateResource.cs b/src/Twilio/Rest/Verify/V2/TemplateResource.cs
index 2d0fdbe23..527b2bc41 100644
--- a/src/Twilio/Rest/Verify/V2/TemplateResource.cs
+++ b/src/Twilio/Rest/Verify/V2/TemplateResource.cs
@@ -65,10 +65,10 @@ public static ResourceSet<TemplateResource> Read(ReadTemplateOptions options, IT
         /// <param name="options"> Read Template parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Template </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<TemplateResource>> ReadAsync(ReadTemplateOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<TemplateResource>> ReadAsync(ReadTemplateOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<TemplateResource>.FromJson("templates", response.Content);
             return new ResourceSet<TemplateResource>(page, options, client);
@@ -101,10 +101,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<TemplateResource>> R
                                                                                              string friendlyName = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadTemplateOptions(){ FriendlyName = friendlyName, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Verify/V2/VerificationAttemptResource.cs b/src/Twilio/Rest/Verify/V2/VerificationAttemptResource.cs
index 30ed34d8e..c49ff54b3 100644
--- a/src/Twilio/Rest/Verify/V2/VerificationAttemptResource.cs
+++ b/src/Twilio/Rest/Verify/V2/VerificationAttemptResource.cs
@@ -95,10 +95,10 @@ public static VerificationAttemptResource Fetch(FetchVerificationAttemptOptions
         /// <param name="options"> Fetch VerificationAttempt parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of VerificationAttempt </returns>
-        public static async System.Threading.Tasks.Task<VerificationAttemptResource> FetchAsync(FetchVerificationAttemptOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<VerificationAttemptResource> FetchAsync(FetchVerificationAttemptOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -119,10 +119,10 @@ public static VerificationAttemptResource Fetch(
         /// <param name="pathSid"> The unique SID identifier of a Verification Attempt </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of VerificationAttempt </returns>
-        public static async System.Threading.Tasks.Task<VerificationAttemptResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<VerificationAttemptResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchVerificationAttemptOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,10 +157,10 @@ public static ResourceSet<VerificationAttemptResource> Read(ReadVerificationAtte
         /// <param name="options"> Read VerificationAttempt parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of VerificationAttempt </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<VerificationAttemptResource>> ReadAsync(ReadVerificationAttemptOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<VerificationAttemptResource>> ReadAsync(ReadVerificationAttemptOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<VerificationAttemptResource>.FromJson("attempts", response.Content);
             return new ResourceSet<VerificationAttemptResource>(page, options, client);
@@ -221,10 +221,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<VerificationAttemptR
                                                                                              VerificationAttemptResource.ConversionStatusEnum status = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadVerificationAttemptOptions(){ DateCreatedAfter = dateCreatedAfter, DateCreatedBefore = dateCreatedBefore, ChannelDataTo = channelDataTo, Country = country, Channel = channel, VerifyServiceSid = verifyServiceSid, VerificationSid = verificationSid, Status = status, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Verify/V2/VerificationAttemptsSummaryResource.cs b/src/Twilio/Rest/Verify/V2/VerificationAttemptsSummaryResource.cs
index b46b660eb..ae8c5b85a 100644
--- a/src/Twilio/Rest/Verify/V2/VerificationAttemptsSummaryResource.cs
+++ b/src/Twilio/Rest/Verify/V2/VerificationAttemptsSummaryResource.cs
@@ -79,10 +79,10 @@ public static VerificationAttemptsSummaryResource Fetch(FetchVerificationAttempt
         /// <param name="options"> Fetch VerificationAttemptsSummary parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of VerificationAttemptsSummary </returns>
-        public static async System.Threading.Tasks.Task<VerificationAttemptsSummaryResource> FetchAsync(FetchVerificationAttemptsSummaryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<VerificationAttemptsSummaryResource> FetchAsync(FetchVerificationAttemptsSummaryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -118,10 +118,10 @@ public static VerificationAttemptsSummaryResource Fetch(
         /// <param name="destinationPrefix"> Filter the Verification Attempts considered on the summary aggregation by Destination prefix. It is the prefix of a phone number in E.164 format. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of VerificationAttemptsSummary </returns>
-        public static async System.Threading.Tasks.Task<VerificationAttemptsSummaryResource> FetchAsync(string verifyServiceSid = null, DateTime? dateCreatedAfter = null, DateTime? dateCreatedBefore = null, string country = null, VerificationAttemptsSummaryResource.ChannelsEnum channel = null, string destinationPrefix = null, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<VerificationAttemptsSummaryResource> FetchAsync(string verifyServiceSid = null, DateTime? dateCreatedAfter = null, DateTime? dateCreatedBefore = null, string country = null, VerificationAttemptsSummaryResource.ChannelsEnum channel = null, string destinationPrefix = null, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchVerificationAttemptsSummaryOptions(){ VerifyServiceSid = verifyServiceSid,DateCreatedAfter = dateCreatedAfter,DateCreatedBefore = dateCreatedBefore,Country = country,Channel = channel,DestinationPrefix = destinationPrefix };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Video/V1/CompositionHookResource.cs b/src/Twilio/Rest/Video/V1/CompositionHookResource.cs
index 8491b7caa..806e45962 100644
--- a/src/Twilio/Rest/Video/V1/CompositionHookResource.cs
+++ b/src/Twilio/Rest/Video/V1/CompositionHookResource.cs
@@ -79,10 +79,10 @@ public static CompositionHookResource Create(CreateCompositionHookOptions option
         /// <param name="options"> Create CompositionHook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CompositionHook </returns>
-        public static async System.Threading.Tasks.Task<CompositionHookResource> CreateAsync(CreateCompositionHookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CompositionHookResource> CreateAsync(CreateCompositionHookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -142,10 +142,10 @@ public static async System.Threading.Tasks.Task<CompositionHookResource> CreateA
                                                                                   Uri statusCallback = null,
                                                                                   Twilio.Http.HttpMethod statusCallbackMethod = null,
                                                                                   bool? trim = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCompositionHookOptions(friendlyName){  Enabled = enabled, VideoLayout = videoLayout, AudioSources = audioSources, AudioSourcesExcluded = audioSourcesExcluded, Resolution = resolution, Format = format, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod, Trim = trim };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -186,11 +186,12 @@ public static bool Delete(DeleteCompositionHookOptions options, ITwilioRestClien
         /// <param name="options"> Delete CompositionHook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CompositionHook </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCompositionHookOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCompositionHookOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -210,10 +211,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the CompositionHook resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CompositionHook </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCompositionHookOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -250,10 +251,10 @@ public static CompositionHookResource Fetch(FetchCompositionHookOptions options,
         /// <param name="options"> Fetch CompositionHook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CompositionHook </returns>
-        public static async System.Threading.Tasks.Task<CompositionHookResource> FetchAsync(FetchCompositionHookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CompositionHookResource> FetchAsync(FetchCompositionHookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -274,10 +275,10 @@ public static CompositionHookResource Fetch(
         /// <param name="pathSid"> The SID of the CompositionHook resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CompositionHook </returns>
-        public static async System.Threading.Tasks.Task<CompositionHookResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CompositionHookResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCompositionHookOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -312,10 +313,10 @@ public static ResourceSet<CompositionHookResource> Read(ReadCompositionHookOptio
         /// <param name="options"> Read CompositionHook parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CompositionHook </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CompositionHookResource>> ReadAsync(ReadCompositionHookOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CompositionHookResource>> ReadAsync(ReadCompositionHookOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CompositionHookResource>.FromJson("composition_hooks", response.Content);
             return new ResourceSet<CompositionHookResource>(page, options, client);
@@ -360,10 +361,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<CompositionHookResou
                                                                                              string friendlyName = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCompositionHookOptions(){ Enabled = enabled, DateCreatedAfter = dateCreatedAfter, DateCreatedBefore = dateCreatedBefore, FriendlyName = friendlyName, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -450,11 +451,12 @@ public static CompositionHookResource Update(UpdateCompositionHookOptions option
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CompositionHook </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<CompositionHookResource> UpdateAsync(UpdateCompositionHookOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CompositionHookResource> UpdateAsync(UpdateCompositionHookOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -518,10 +520,10 @@ public static async System.Threading.Tasks.Task<CompositionHookResource> UpdateA
                                                                               string resolution = null,
                                                                               Uri statusCallback = null,
                                                                               Twilio.Http.HttpMethod statusCallbackMethod = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateCompositionHookOptions(pathSid, friendlyName){ Enabled = enabled, VideoLayout = videoLayout, AudioSources = audioSources, AudioSourcesExcluded = audioSourcesExcluded, Trim = trim, Format = format, Resolution = resolution, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Video/V1/CompositionResource.cs b/src/Twilio/Rest/Video/V1/CompositionResource.cs
index e2e40ed65..8df2ccd0f 100644
--- a/src/Twilio/Rest/Video/V1/CompositionResource.cs
+++ b/src/Twilio/Rest/Video/V1/CompositionResource.cs
@@ -95,10 +95,10 @@ public static CompositionResource Create(CreateCompositionOptions options, ITwil
         /// <param name="options"> Create Composition parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Composition </returns>
-        public static async System.Threading.Tasks.Task<CompositionResource> CreateAsync(CreateCompositionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CompositionResource> CreateAsync(CreateCompositionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -154,10 +154,10 @@ public static async System.Threading.Tasks.Task<CompositionResource> CreateAsync
                                                                                   Uri statusCallback = null,
                                                                                   Twilio.Http.HttpMethod statusCallbackMethod = null,
                                                                                   bool? trim = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCompositionOptions(roomSid){  VideoLayout = videoLayout, AudioSources = audioSources, AudioSourcesExcluded = audioSourcesExcluded, Resolution = resolution, Format = format, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod, Trim = trim };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -198,11 +198,12 @@ public static bool Delete(DeleteCompositionOptions options, ITwilioRestClient cl
         /// <param name="options"> Delete Composition parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Composition </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCompositionOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCompositionOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -222,10 +223,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the Composition resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Composition </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCompositionOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -262,10 +263,10 @@ public static CompositionResource Fetch(FetchCompositionOptions options, ITwilio
         /// <param name="options"> Fetch Composition parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Composition </returns>
-        public static async System.Threading.Tasks.Task<CompositionResource> FetchAsync(FetchCompositionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CompositionResource> FetchAsync(FetchCompositionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -286,10 +287,10 @@ public static CompositionResource Fetch(
         /// <param name="pathSid"> The SID of the Composition resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Composition </returns>
-        public static async System.Threading.Tasks.Task<CompositionResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CompositionResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCompositionOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -324,10 +325,10 @@ public static ResourceSet<CompositionResource> Read(ReadCompositionOptions optio
         /// <param name="options"> Read Composition parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Composition </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CompositionResource>> ReadAsync(ReadCompositionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CompositionResource>> ReadAsync(ReadCompositionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CompositionResource>.FromJson("compositions", response.Content);
             return new ResourceSet<CompositionResource>(page, options, client);
@@ -372,10 +373,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<CompositionResource>
                                                                                              string roomSid = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCompositionOptions(){ Status = status, DateCreatedAfter = dateCreatedAfter, DateCreatedBefore = dateCreatedBefore, RoomSid = roomSid, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Video/V1/CompositionSettingsResource.cs b/src/Twilio/Rest/Video/V1/CompositionSettingsResource.cs
index 1745f6fe3..df081a805 100644
--- a/src/Twilio/Rest/Video/V1/CompositionSettingsResource.cs
+++ b/src/Twilio/Rest/Video/V1/CompositionSettingsResource.cs
@@ -66,10 +66,10 @@ public static CompositionSettingsResource Create(CreateCompositionSettingsOption
         /// <param name="options"> Create CompositionSettings parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CompositionSettings </returns>
-        public static async System.Threading.Tasks.Task<CompositionSettingsResource> CreateAsync(CreateCompositionSettingsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CompositionSettingsResource> CreateAsync(CreateCompositionSettingsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -113,10 +113,10 @@ public static async System.Threading.Tasks.Task<CompositionSettingsResource> Cre
                                                                                   Uri awsS3Url = null,
                                                                                   bool? awsStorageEnabled = null,
                                                                                   bool? encryptionEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCompositionSettingsOptions(friendlyName){  AwsCredentialsSid = awsCredentialsSid, EncryptionKeySid = encryptionKeySid, AwsS3Url = awsS3Url, AwsStorageEnabled = awsStorageEnabled, EncryptionEnabled = encryptionEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -151,10 +151,10 @@ public static CompositionSettingsResource Fetch(FetchCompositionSettingsOptions
         /// <param name="options"> Fetch CompositionSettings parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CompositionSettings </returns>
-        public static async System.Threading.Tasks.Task<CompositionSettingsResource> FetchAsync(FetchCompositionSettingsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CompositionSettingsResource> FetchAsync(FetchCompositionSettingsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -172,10 +172,10 @@ public static CompositionSettingsResource Fetch(
         /// <summary> fetch </summary>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of CompositionSettings </returns>
-        public static async System.Threading.Tasks.Task<CompositionSettingsResource> FetchAsync(ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CompositionSettingsResource> FetchAsync(ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCompositionSettingsOptions(){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Video/V1/RecordingResource.cs b/src/Twilio/Rest/Video/V1/RecordingResource.cs
index 215e52390..b8406a7c2 100644
--- a/src/Twilio/Rest/Video/V1/RecordingResource.cs
+++ b/src/Twilio/Rest/Video/V1/RecordingResource.cs
@@ -128,11 +128,12 @@ public static bool Delete(DeleteRecordingOptions options, ITwilioRestClient clie
         /// <param name="options"> Delete Recording parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRecordingOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRecordingOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -152,10 +153,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the Recording resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteRecordingOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -192,10 +193,10 @@ public static RecordingResource Fetch(FetchRecordingOptions options, ITwilioRest
         /// <param name="options"> Fetch Recording parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(FetchRecordingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(FetchRecordingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -216,10 +217,10 @@ public static RecordingResource Fetch(
         /// <param name="pathSid"> The SID of the Recording resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRecordingOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -254,10 +255,10 @@ public static ResourceSet<RecordingResource> Read(ReadRecordingOptions options,
         /// <param name="options"> Read Recording parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Recording </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RecordingResource>> ReadAsync(ReadRecordingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RecordingResource>> ReadAsync(ReadRecordingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RecordingResource>.FromJson("recordings", response.Content);
             return new ResourceSet<RecordingResource>(page, options, client);
@@ -310,10 +311,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<RecordingResource>>
                                                                                              RecordingResource.TypeEnum mediaType = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRecordingOptions(){ Status = status, SourceSid = sourceSid, GroupingSid = groupingSid, DateCreatedAfter = dateCreatedAfter, DateCreatedBefore = dateCreatedBefore, MediaType = mediaType, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Video/V1/RecordingSettingsResource.cs b/src/Twilio/Rest/Video/V1/RecordingSettingsResource.cs
index 1a922eb7e..6f4ff61c9 100644
--- a/src/Twilio/Rest/Video/V1/RecordingSettingsResource.cs
+++ b/src/Twilio/Rest/Video/V1/RecordingSettingsResource.cs
@@ -66,10 +66,10 @@ public static RecordingSettingsResource Create(CreateRecordingSettingsOptions op
         /// <param name="options"> Create RecordingSettings parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RecordingSettings </returns>
-        public static async System.Threading.Tasks.Task<RecordingSettingsResource> CreateAsync(CreateRecordingSettingsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingSettingsResource> CreateAsync(CreateRecordingSettingsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -113,10 +113,10 @@ public static async System.Threading.Tasks.Task<RecordingSettingsResource> Creat
                                                                                   Uri awsS3Url = null,
                                                                                   bool? awsStorageEnabled = null,
                                                                                   bool? encryptionEnabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateRecordingSettingsOptions(friendlyName){  AwsCredentialsSid = awsCredentialsSid, EncryptionKeySid = encryptionKeySid, AwsS3Url = awsS3Url, AwsStorageEnabled = awsStorageEnabled, EncryptionEnabled = encryptionEnabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -151,10 +151,10 @@ public static RecordingSettingsResource Fetch(FetchRecordingSettingsOptions opti
         /// <param name="options"> Fetch RecordingSettings parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RecordingSettings </returns>
-        public static async System.Threading.Tasks.Task<RecordingSettingsResource> FetchAsync(FetchRecordingSettingsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingSettingsResource> FetchAsync(FetchRecordingSettingsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -172,10 +172,10 @@ public static RecordingSettingsResource Fetch(
         /// <summary> fetch </summary>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RecordingSettings </returns>
-        public static async System.Threading.Tasks.Task<RecordingSettingsResource> FetchAsync(ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingSettingsResource> FetchAsync(ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRecordingSettingsOptions(){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Video/V1/Room/Participant/AnonymizeResource.cs b/src/Twilio/Rest/Video/V1/Room/Participant/AnonymizeResource.cs
index 7e93fe425..2d0cc043f 100644
--- a/src/Twilio/Rest/Video/V1/Room/Participant/AnonymizeResource.cs
+++ b/src/Twilio/Rest/Video/V1/Room/Participant/AnonymizeResource.cs
@@ -83,11 +83,12 @@ public static AnonymizeResource Update(UpdateAnonymizeOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Anonymize </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<AnonymizeResource> UpdateAsync(UpdateAnonymizeOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<AnonymizeResource> UpdateAsync(UpdateAnonymizeOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -115,10 +116,10 @@ public static AnonymizeResource Update(
         public static async System.Threading.Tasks.Task<AnonymizeResource> UpdateAsync(
                                                                               string pathRoomSid,
                                                                               string pathSid,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateAnonymizeOptions(pathRoomSid, pathSid){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Video/V1/Room/Participant/PublishedTrackResource.cs b/src/Twilio/Rest/Video/V1/Room/Participant/PublishedTrackResource.cs
index 9e0ed3f97..b0dda8d0b 100644
--- a/src/Twilio/Rest/Video/V1/Room/Participant/PublishedTrackResource.cs
+++ b/src/Twilio/Rest/Video/V1/Room/Participant/PublishedTrackResource.cs
@@ -85,10 +85,10 @@ public static PublishedTrackResource Fetch(FetchPublishedTrackOptions options, I
         /// <param name="options"> Fetch PublishedTrack parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PublishedTrack </returns>
-        public static async System.Threading.Tasks.Task<PublishedTrackResource> FetchAsync(FetchPublishedTrackOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PublishedTrackResource> FetchAsync(FetchPublishedTrackOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -115,10 +115,10 @@ public static PublishedTrackResource Fetch(
         /// <param name="pathSid"> The SID of the RoomParticipantPublishedTrack resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PublishedTrack </returns>
-        public static async System.Threading.Tasks.Task<PublishedTrackResource> FetchAsync(string pathRoomSid, string pathParticipantSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<PublishedTrackResource> FetchAsync(string pathRoomSid, string pathParticipantSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchPublishedTrackOptions(pathRoomSid, pathParticipantSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,10 +157,10 @@ public static ResourceSet<PublishedTrackResource> Read(ReadPublishedTrackOptions
         /// <param name="options"> Read PublishedTrack parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of PublishedTrack </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<PublishedTrackResource>> ReadAsync(ReadPublishedTrackOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<PublishedTrackResource>> ReadAsync(ReadPublishedTrackOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<PublishedTrackResource>.FromJson("published_tracks", response.Content);
             return new ResourceSet<PublishedTrackResource>(page, options, client);
@@ -197,10 +197,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<PublishedTrackResour
                                                                                              string pathParticipantSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadPublishedTrackOptions(pathRoomSid, pathParticipantSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Video/V1/Room/Participant/SubscribeRulesResource.cs b/src/Twilio/Rest/Video/V1/Room/Participant/SubscribeRulesResource.cs
index 651c6e48d..424e90775 100644
--- a/src/Twilio/Rest/Video/V1/Room/Participant/SubscribeRulesResource.cs
+++ b/src/Twilio/Rest/Video/V1/Room/Participant/SubscribeRulesResource.cs
@@ -69,10 +69,10 @@ public static SubscribeRulesResource Fetch(FetchSubscribeRulesOptions options, I
         /// <param name="options"> Fetch SubscribeRules parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SubscribeRules </returns>
-        public static async System.Threading.Tasks.Task<SubscribeRulesResource> FetchAsync(FetchSubscribeRulesOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SubscribeRulesResource> FetchAsync(FetchSubscribeRulesOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -96,10 +96,10 @@ public static SubscribeRulesResource Fetch(
         /// <param name="pathParticipantSid"> The SID of the Participant resource with the subscribe rules to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SubscribeRules </returns>
-        public static async System.Threading.Tasks.Task<SubscribeRulesResource> FetchAsync(string pathRoomSid, string pathParticipantSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SubscribeRulesResource> FetchAsync(string pathRoomSid, string pathParticipantSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSubscribeRulesOptions(pathRoomSid, pathParticipantSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -139,11 +139,12 @@ public static SubscribeRulesResource Update(UpdateSubscribeRulesOptions options,
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SubscribeRules </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SubscribeRulesResource> UpdateAsync(UpdateSubscribeRulesOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SubscribeRulesResource> UpdateAsync(UpdateSubscribeRulesOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -175,10 +176,10 @@ public static async System.Threading.Tasks.Task<SubscribeRulesResource> UpdateAs
                                                                               string pathRoomSid,
                                                                               string pathParticipantSid,
                                                                               object rules = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSubscribeRulesOptions(pathRoomSid, pathParticipantSid){ Rules = rules };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Video/V1/Room/Participant/SubscribedTrackResource.cs b/src/Twilio/Rest/Video/V1/Room/Participant/SubscribedTrackResource.cs
index 5ff832175..722a22ddf 100644
--- a/src/Twilio/Rest/Video/V1/Room/Participant/SubscribedTrackResource.cs
+++ b/src/Twilio/Rest/Video/V1/Room/Participant/SubscribedTrackResource.cs
@@ -85,10 +85,10 @@ public static SubscribedTrackResource Fetch(FetchSubscribedTrackOptions options,
         /// <param name="options"> Fetch SubscribedTrack parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SubscribedTrack </returns>
-        public static async System.Threading.Tasks.Task<SubscribedTrackResource> FetchAsync(FetchSubscribedTrackOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SubscribedTrackResource> FetchAsync(FetchSubscribedTrackOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -115,10 +115,10 @@ public static SubscribedTrackResource Fetch(
         /// <param name="pathSid"> The SID of the RoomParticipantSubscribedTrack resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SubscribedTrack </returns>
-        public static async System.Threading.Tasks.Task<SubscribedTrackResource> FetchAsync(string pathRoomSid, string pathParticipantSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SubscribedTrackResource> FetchAsync(string pathRoomSid, string pathParticipantSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSubscribedTrackOptions(pathRoomSid, pathParticipantSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -157,10 +157,10 @@ public static ResourceSet<SubscribedTrackResource> Read(ReadSubscribedTrackOptio
         /// <param name="options"> Read SubscribedTrack parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SubscribedTrack </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SubscribedTrackResource>> ReadAsync(ReadSubscribedTrackOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SubscribedTrackResource>> ReadAsync(ReadSubscribedTrackOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SubscribedTrackResource>.FromJson("subscribed_tracks", response.Content);
             return new ResourceSet<SubscribedTrackResource>(page, options, client);
@@ -197,10 +197,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<SubscribedTrackResou
                                                                                              string pathParticipantSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSubscribedTrackOptions(pathRoomSid, pathParticipantSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Video/V1/Room/ParticipantResource.cs b/src/Twilio/Rest/Video/V1/Room/ParticipantResource.cs
index da8b21ae2..d9aecad05 100644
--- a/src/Twilio/Rest/Video/V1/Room/ParticipantResource.cs
+++ b/src/Twilio/Rest/Video/V1/Room/ParticipantResource.cs
@@ -82,10 +82,10 @@ public static ParticipantResource Fetch(FetchParticipantOptions options, ITwilio
         /// <param name="options"> Fetch Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(FetchParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(FetchParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -109,10 +109,10 @@ public static ParticipantResource Fetch(
         /// <param name="pathSid"> The SID of the RoomParticipant resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(string pathRoomSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> FetchAsync(string pathRoomSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchParticipantOptions(pathRoomSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -149,10 +149,10 @@ public static ResourceSet<ParticipantResource> Read(ReadParticipantOptions optio
         /// <param name="options"> Read Participant parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>> ReadAsync(ReadParticipantOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>> ReadAsync(ReadParticipantOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ParticipantResource>.FromJson("participants", response.Content);
             return new ResourceSet<ParticipantResource>(page, options, client);
@@ -201,10 +201,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ParticipantResource>
                                                                                              DateTime? dateCreatedBefore = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadParticipantOptions(pathRoomSid){ Status = status, Identity = identity, DateCreatedAfter = dateCreatedAfter, DateCreatedBefore = dateCreatedBefore, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -293,11 +293,12 @@ public static ParticipantResource Update(UpdateParticipantOptions options, ITwil
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Participant </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ParticipantResource> UpdateAsync(UpdateParticipantOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ParticipantResource> UpdateAsync(UpdateParticipantOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -329,10 +330,10 @@ public static async System.Threading.Tasks.Task<ParticipantResource> UpdateAsync
                                                                               string pathRoomSid,
                                                                               string pathSid,
                                                                               ParticipantResource.StatusEnum status = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateParticipantOptions(pathRoomSid, pathSid){ Status = status };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Video/V1/Room/RecordingRulesResource.cs b/src/Twilio/Rest/Video/V1/Room/RecordingRulesResource.cs
index ed2ff0b80..3d02581ec 100644
--- a/src/Twilio/Rest/Video/V1/Room/RecordingRulesResource.cs
+++ b/src/Twilio/Rest/Video/V1/Room/RecordingRulesResource.cs
@@ -67,10 +67,10 @@ public static RecordingRulesResource Fetch(FetchRecordingRulesOptions options, I
         /// <param name="options"> Fetch RecordingRules parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RecordingRules </returns>
-        public static async System.Threading.Tasks.Task<RecordingRulesResource> FetchAsync(FetchRecordingRulesOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingRulesResource> FetchAsync(FetchRecordingRulesOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static RecordingRulesResource Fetch(
         /// <param name="pathRoomSid"> The SID of the Room resource where the recording rules to fetch apply. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RecordingRules </returns>
-        public static async System.Threading.Tasks.Task<RecordingRulesResource> FetchAsync(string pathRoomSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingRulesResource> FetchAsync(string pathRoomSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRecordingRulesOptions(pathRoomSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -132,11 +132,12 @@ public static RecordingRulesResource Update(UpdateRecordingRulesOptions options,
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RecordingRules </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<RecordingRulesResource> UpdateAsync(UpdateRecordingRulesOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RecordingRulesResource> UpdateAsync(UpdateRecordingRulesOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -164,10 +165,10 @@ public static RecordingRulesResource Update(
         public static async System.Threading.Tasks.Task<RecordingRulesResource> UpdateAsync(
                                                                               string pathRoomSid,
                                                                               object rules = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateRecordingRulesOptions(pathRoomSid){ Rules = rules };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Video/V1/Room/RoomRecordingResource.cs b/src/Twilio/Rest/Video/V1/Room/RoomRecordingResource.cs
index 90b183228..9b562fc89 100644
--- a/src/Twilio/Rest/Video/V1/Room/RoomRecordingResource.cs
+++ b/src/Twilio/Rest/Video/V1/Room/RoomRecordingResource.cs
@@ -130,11 +130,12 @@ public static bool Delete(DeleteRoomRecordingOptions options, ITwilioRestClient
         /// <param name="options"> Delete RoomRecording parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RoomRecording </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRoomRecordingOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRoomRecordingOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -156,10 +157,10 @@ public static bool Delete(string pathRoomSid, string pathSid, ITwilioRestClient
         /// <param name="pathSid"> The SID of the RoomRecording resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RoomRecording </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathRoomSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathRoomSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteRoomRecordingOptions(pathRoomSid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -198,10 +199,10 @@ public static RoomRecordingResource Fetch(FetchRoomRecordingOptions options, ITw
         /// <param name="options"> Fetch RoomRecording parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RoomRecording </returns>
-        public static async System.Threading.Tasks.Task<RoomRecordingResource> FetchAsync(FetchRoomRecordingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoomRecordingResource> FetchAsync(FetchRoomRecordingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -225,10 +226,10 @@ public static RoomRecordingResource Fetch(
         /// <param name="pathSid"> The SID of the RoomRecording resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RoomRecording </returns>
-        public static async System.Threading.Tasks.Task<RoomRecordingResource> FetchAsync(string pathRoomSid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoomRecordingResource> FetchAsync(string pathRoomSid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRoomRecordingOptions(pathRoomSid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -265,10 +266,10 @@ public static ResourceSet<RoomRecordingResource> Read(ReadRoomRecordingOptions o
         /// <param name="options"> Read RoomRecording parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RoomRecording </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RoomRecordingResource>> ReadAsync(ReadRoomRecordingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RoomRecordingResource>> ReadAsync(ReadRoomRecordingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RoomRecordingResource>.FromJson("recordings", response.Content);
             return new ResourceSet<RoomRecordingResource>(page, options, client);
@@ -317,10 +318,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<RoomRecordingResourc
                                                                                              DateTime? dateCreatedBefore = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRoomRecordingOptions(pathRoomSid){ Status = status, SourceSid = sourceSid, DateCreatedAfter = dateCreatedAfter, DateCreatedBefore = dateCreatedBefore, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Video/V1/RoomResource.cs b/src/Twilio/Rest/Video/V1/RoomResource.cs
index 8bcb7d873..c6eac7660 100644
--- a/src/Twilio/Rest/Video/V1/RoomResource.cs
+++ b/src/Twilio/Rest/Video/V1/RoomResource.cs
@@ -108,10 +108,10 @@ public static RoomResource Create(CreateRoomOptions options, ITwilioRestClient c
         /// <param name="options"> Create Room parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Room </returns>
-        public static async System.Threading.Tasks.Task<RoomResource> CreateAsync(CreateRoomOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoomResource> CreateAsync(CreateRoomOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -191,10 +191,10 @@ public static async System.Threading.Tasks.Task<RoomResource> CreateAsync(
                                                                                   int? emptyRoomTimeout = null,
                                                                                   int? unusedRoomTimeout = null,
                                                                                   bool? largeRoom = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateRoomOptions(){  EnableTurn = enableTurn, Type = type, UniqueName = uniqueName, StatusCallback = statusCallback, StatusCallbackMethod = statusCallbackMethod, MaxParticipants = maxParticipants, RecordParticipantsOnConnect = recordParticipantsOnConnect, VideoCodecs = videoCodecs, MediaRegion = mediaRegion, RecordingRules = recordingRules, AudioOnly = audioOnly, MaxParticipantDuration = maxParticipantDuration, EmptyRoomTimeout = emptyRoomTimeout, UnusedRoomTimeout = unusedRoomTimeout, LargeRoom = largeRoom };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -231,10 +231,10 @@ public static RoomResource Fetch(FetchRoomOptions options, ITwilioRestClient cli
         /// <param name="options"> Fetch Room parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Room </returns>
-        public static async System.Threading.Tasks.Task<RoomResource> FetchAsync(FetchRoomOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoomResource> FetchAsync(FetchRoomOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -255,10 +255,10 @@ public static RoomResource Fetch(
         /// <param name="pathSid"> The SID of the Room resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Room </returns>
-        public static async System.Threading.Tasks.Task<RoomResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoomResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRoomOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -293,10 +293,10 @@ public static ResourceSet<RoomResource> Read(ReadRoomOptions options, ITwilioRes
         /// <param name="options"> Read Room parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Room </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RoomResource>> ReadAsync(ReadRoomOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RoomResource>> ReadAsync(ReadRoomOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RoomResource>.FromJson("rooms", response.Content);
             return new ResourceSet<RoomResource>(page, options, client);
@@ -341,10 +341,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<RoomResource>> ReadA
                                                                                              DateTime? dateCreatedBefore = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRoomOptions(){ Status = status, UniqueName = uniqueName, DateCreatedAfter = dateCreatedAfter, DateCreatedBefore = dateCreatedBefore, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -431,11 +431,12 @@ public static RoomResource Update(UpdateRoomOptions options, ITwilioRestClient c
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Room </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<RoomResource> UpdateAsync(UpdateRoomOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RoomResource> UpdateAsync(UpdateRoomOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -463,10 +464,10 @@ public static RoomResource Update(
         public static async System.Threading.Tasks.Task<RoomResource> UpdateAsync(
                                                                               string pathSid,
                                                                               RoomResource.RoomStatusEnum status,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateRoomOptions(pathSid, status){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Voice/V1/ArchivedCallResource.cs b/src/Twilio/Rest/Voice/V1/ArchivedCallResource.cs
index 2e4c4f419..d9809131a 100644
--- a/src/Twilio/Rest/Voice/V1/ArchivedCallResource.cs
+++ b/src/Twilio/Rest/Voice/V1/ArchivedCallResource.cs
@@ -73,11 +73,12 @@ public static bool Delete(DeleteArchivedCallOptions options, ITwilioRestClient c
         /// <param name="options"> Delete ArchivedCall parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ArchivedCall </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteArchivedCallOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteArchivedCallOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -99,10 +100,10 @@ public static bool Delete(DateTime? pathDate, string pathSid, ITwilioRestClient
         /// <param name="pathSid"> The Twilio-provided Call SID that uniquely identifies the Call resource to delete </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ArchivedCall </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DateTime? pathDate, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DateTime? pathDate, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteArchivedCallOptions(pathDate, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Voice/V1/ByocTrunkResource.cs b/src/Twilio/Rest/Voice/V1/ByocTrunkResource.cs
index b104f0397..c6a551f5d 100644
--- a/src/Twilio/Rest/Voice/V1/ByocTrunkResource.cs
+++ b/src/Twilio/Rest/Voice/V1/ByocTrunkResource.cs
@@ -66,10 +66,10 @@ public static ByocTrunkResource Create(CreateByocTrunkOptions options, ITwilioRe
         /// <param name="options"> Create ByocTrunk parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ByocTrunk </returns>
-        public static async System.Threading.Tasks.Task<ByocTrunkResource> CreateAsync(CreateByocTrunkOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ByocTrunkResource> CreateAsync(CreateByocTrunkOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -129,10 +129,10 @@ public static async System.Threading.Tasks.Task<ByocTrunkResource> CreateAsync(
                                                                                   bool? cnamLookupEnabled = null,
                                                                                   string connectionPolicySid = null,
                                                                                   string fromDomainSid = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateByocTrunkOptions(){  FriendlyName = friendlyName, VoiceUrl = voiceUrl, VoiceMethod = voiceMethod, VoiceFallbackUrl = voiceFallbackUrl, VoiceFallbackMethod = voiceFallbackMethod, StatusCallbackUrl = statusCallbackUrl, StatusCallbackMethod = statusCallbackMethod, CnamLookupEnabled = cnamLookupEnabled, ConnectionPolicySid = connectionPolicySid, FromDomainSid = fromDomainSid };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -173,11 +173,12 @@ public static bool Delete(DeleteByocTrunkOptions options, ITwilioRestClient clie
         /// <param name="options"> Delete ByocTrunk parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ByocTrunk </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteByocTrunkOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteByocTrunkOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -197,10 +198,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the BYOC Trunk resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ByocTrunk </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteByocTrunkOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -237,10 +238,10 @@ public static ByocTrunkResource Fetch(FetchByocTrunkOptions options, ITwilioRest
         /// <param name="options"> Fetch ByocTrunk parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ByocTrunk </returns>
-        public static async System.Threading.Tasks.Task<ByocTrunkResource> FetchAsync(FetchByocTrunkOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ByocTrunkResource> FetchAsync(FetchByocTrunkOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -261,10 +262,10 @@ public static ByocTrunkResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the BYOC Trunk resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ByocTrunk </returns>
-        public static async System.Threading.Tasks.Task<ByocTrunkResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ByocTrunkResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchByocTrunkOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -299,10 +300,10 @@ public static ResourceSet<ByocTrunkResource> Read(ReadByocTrunkOptions options,
         /// <param name="options"> Read ByocTrunk parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ByocTrunk </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ByocTrunkResource>> ReadAsync(ReadByocTrunkOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ByocTrunkResource>> ReadAsync(ReadByocTrunkOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ByocTrunkResource>.FromJson("byoc_trunks", response.Content);
             return new ResourceSet<ByocTrunkResource>(page, options, client);
@@ -331,10 +332,10 @@ public static ResourceSet<ByocTrunkResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ByocTrunkResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadByocTrunkOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -421,11 +422,12 @@ public static ByocTrunkResource Update(UpdateByocTrunkOptions options, ITwilioRe
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ByocTrunk </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ByocTrunkResource> UpdateAsync(UpdateByocTrunkOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ByocTrunkResource> UpdateAsync(UpdateByocTrunkOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -489,10 +491,10 @@ public static async System.Threading.Tasks.Task<ByocTrunkResource> UpdateAsync(
                                                                               bool? cnamLookupEnabled = null,
                                                                               string connectionPolicySid = null,
                                                                               string fromDomainSid = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateByocTrunkOptions(pathSid){ FriendlyName = friendlyName, VoiceUrl = voiceUrl, VoiceMethod = voiceMethod, VoiceFallbackUrl = voiceFallbackUrl, VoiceFallbackMethod = voiceFallbackMethod, StatusCallbackUrl = statusCallbackUrl, StatusCallbackMethod = statusCallbackMethod, CnamLookupEnabled = cnamLookupEnabled, ConnectionPolicySid = connectionPolicySid, FromDomainSid = fromDomainSid };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Voice/V1/ConnectionPolicy/ConnectionPolicyTargetResource.cs b/src/Twilio/Rest/Voice/V1/ConnectionPolicy/ConnectionPolicyTargetResource.cs
index 58f495222..f4fd46b51 100644
--- a/src/Twilio/Rest/Voice/V1/ConnectionPolicy/ConnectionPolicyTargetResource.cs
+++ b/src/Twilio/Rest/Voice/V1/ConnectionPolicy/ConnectionPolicyTargetResource.cs
@@ -68,10 +68,10 @@ public static ConnectionPolicyTargetResource Create(CreateConnectionPolicyTarget
         /// <param name="options"> Create ConnectionPolicyTarget parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectionPolicyTarget </returns>
-        public static async System.Threading.Tasks.Task<ConnectionPolicyTargetResource> CreateAsync(CreateConnectionPolicyTargetOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConnectionPolicyTargetResource> CreateAsync(CreateConnectionPolicyTargetOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -115,10 +115,10 @@ public static async System.Threading.Tasks.Task<ConnectionPolicyTargetResource>
                                                                                   int? priority = null,
                                                                                   int? weight = null,
                                                                                   bool? enabled = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateConnectionPolicyTargetOptions(pathConnectionPolicySid, target){  FriendlyName = friendlyName, Priority = priority, Weight = weight, Enabled = enabled };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -161,11 +161,12 @@ public static bool Delete(DeleteConnectionPolicyTargetOptions options, ITwilioRe
         /// <param name="options"> Delete ConnectionPolicyTarget parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectionPolicyTarget </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteConnectionPolicyTargetOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteConnectionPolicyTargetOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -187,10 +188,10 @@ public static bool Delete(string pathConnectionPolicySid, string pathSid, ITwili
         /// <param name="pathSid"> The unique string that we created to identify the Target resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectionPolicyTarget </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathConnectionPolicySid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathConnectionPolicySid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteConnectionPolicyTargetOptions(pathConnectionPolicySid, pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -229,10 +230,10 @@ public static ConnectionPolicyTargetResource Fetch(FetchConnectionPolicyTargetOp
         /// <param name="options"> Fetch ConnectionPolicyTarget parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectionPolicyTarget </returns>
-        public static async System.Threading.Tasks.Task<ConnectionPolicyTargetResource> FetchAsync(FetchConnectionPolicyTargetOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConnectionPolicyTargetResource> FetchAsync(FetchConnectionPolicyTargetOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -256,10 +257,10 @@ public static ConnectionPolicyTargetResource Fetch(
         /// <param name="pathSid"> The unique string that we created to identify the Target resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectionPolicyTarget </returns>
-        public static async System.Threading.Tasks.Task<ConnectionPolicyTargetResource> FetchAsync(string pathConnectionPolicySid, string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConnectionPolicyTargetResource> FetchAsync(string pathConnectionPolicySid, string pathSid, ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchConnectionPolicyTargetOptions(pathConnectionPolicySid, pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -296,10 +297,10 @@ public static ResourceSet<ConnectionPolicyTargetResource> Read(ReadConnectionPol
         /// <param name="options"> Read ConnectionPolicyTarget parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectionPolicyTarget </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ConnectionPolicyTargetResource>> ReadAsync(ReadConnectionPolicyTargetOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ConnectionPolicyTargetResource>> ReadAsync(ReadConnectionPolicyTargetOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ConnectionPolicyTargetResource>.FromJson("targets", response.Content);
             return new ResourceSet<ConnectionPolicyTargetResource>(page, options, client);
@@ -332,10 +333,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<ConnectionPolicyTarg
                                                                                              string pathConnectionPolicySid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadConnectionPolicyTargetOptions(pathConnectionPolicySid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -424,11 +425,12 @@ public static ConnectionPolicyTargetResource Update(UpdateConnectionPolicyTarget
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectionPolicyTarget </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ConnectionPolicyTargetResource> UpdateAsync(UpdateConnectionPolicyTargetOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConnectionPolicyTargetResource> UpdateAsync(UpdateConnectionPolicyTargetOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -476,10 +478,10 @@ public static async System.Threading.Tasks.Task<ConnectionPolicyTargetResource>
                                                                               int? priority = null,
                                                                               int? weight = null,
                                                                               bool? enabled = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateConnectionPolicyTargetOptions(pathConnectionPolicySid, pathSid){ FriendlyName = friendlyName, Target = target, Priority = priority, Weight = weight, Enabled = enabled };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Voice/V1/ConnectionPolicyResource.cs b/src/Twilio/Rest/Voice/V1/ConnectionPolicyResource.cs
index 12d20ec61..47d2165f4 100644
--- a/src/Twilio/Rest/Voice/V1/ConnectionPolicyResource.cs
+++ b/src/Twilio/Rest/Voice/V1/ConnectionPolicyResource.cs
@@ -66,10 +66,10 @@ public static ConnectionPolicyResource Create(CreateConnectionPolicyOptions opti
         /// <param name="options"> Create ConnectionPolicy parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectionPolicy </returns>
-        public static async System.Threading.Tasks.Task<ConnectionPolicyResource> CreateAsync(CreateConnectionPolicyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConnectionPolicyResource> CreateAsync(CreateConnectionPolicyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -93,10 +93,10 @@ public static ConnectionPolicyResource Create(
         /// <returns> Task that resolves to A single instance of ConnectionPolicy </returns>
         public static async System.Threading.Tasks.Task<ConnectionPolicyResource> CreateAsync(
                                                                                   string friendlyName = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateConnectionPolicyOptions(){  FriendlyName = friendlyName };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -137,11 +137,12 @@ public static bool Delete(DeleteConnectionPolicyOptions options, ITwilioRestClie
         /// <param name="options"> Delete ConnectionPolicy parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectionPolicy </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteConnectionPolicyOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteConnectionPolicyOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -161,10 +162,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The unique string that we created to identify the Connection Policy resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectionPolicy </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteConnectionPolicyOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -201,10 +202,10 @@ public static ConnectionPolicyResource Fetch(FetchConnectionPolicyOptions option
         /// <param name="options"> Fetch ConnectionPolicy parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectionPolicy </returns>
-        public static async System.Threading.Tasks.Task<ConnectionPolicyResource> FetchAsync(FetchConnectionPolicyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConnectionPolicyResource> FetchAsync(FetchConnectionPolicyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -225,10 +226,10 @@ public static ConnectionPolicyResource Fetch(
         /// <param name="pathSid"> The unique string that we created to identify the Connection Policy resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectionPolicy </returns>
-        public static async System.Threading.Tasks.Task<ConnectionPolicyResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConnectionPolicyResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchConnectionPolicyOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -263,10 +264,10 @@ public static ResourceSet<ConnectionPolicyResource> Read(ReadConnectionPolicyOpt
         /// <param name="options"> Read ConnectionPolicy parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectionPolicy </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<ConnectionPolicyResource>> ReadAsync(ReadConnectionPolicyOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<ConnectionPolicyResource>> ReadAsync(ReadConnectionPolicyOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<ConnectionPolicyResource>.FromJson("connection_policies", response.Content);
             return new ResourceSet<ConnectionPolicyResource>(page, options, client);
@@ -295,10 +296,10 @@ public static ResourceSet<ConnectionPolicyResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<ConnectionPolicyResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadConnectionPolicyOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -385,11 +386,12 @@ public static ConnectionPolicyResource Update(UpdateConnectionPolicyOptions opti
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of ConnectionPolicy </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<ConnectionPolicyResource> UpdateAsync(UpdateConnectionPolicyOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ConnectionPolicyResource> UpdateAsync(UpdateConnectionPolicyOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -417,10 +419,10 @@ public static ConnectionPolicyResource Update(
         public static async System.Threading.Tasks.Task<ConnectionPolicyResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string friendlyName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateConnectionPolicyOptions(pathSid){ FriendlyName = friendlyName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Voice/V1/DialingPermissions/BulkCountryUpdateResource.cs b/src/Twilio/Rest/Voice/V1/DialingPermissions/BulkCountryUpdateResource.cs
index 83907ca7f..7845624ee 100644
--- a/src/Twilio/Rest/Voice/V1/DialingPermissions/BulkCountryUpdateResource.cs
+++ b/src/Twilio/Rest/Voice/V1/DialingPermissions/BulkCountryUpdateResource.cs
@@ -66,10 +66,10 @@ public static BulkCountryUpdateResource Create(CreateBulkCountryUpdateOptions op
         /// <param name="options"> Create BulkCountryUpdate parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of BulkCountryUpdate </returns>
-        public static async System.Threading.Tasks.Task<BulkCountryUpdateResource> CreateAsync(CreateBulkCountryUpdateOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<BulkCountryUpdateResource> CreateAsync(CreateBulkCountryUpdateOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -93,10 +93,10 @@ public static BulkCountryUpdateResource Create(
         /// <returns> Task that resolves to A single instance of BulkCountryUpdate </returns>
         public static async System.Threading.Tasks.Task<BulkCountryUpdateResource> CreateAsync(
                                                                                   string updateRequest,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateBulkCountryUpdateOptions(updateRequest){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Voice/V1/DialingPermissions/Country/HighriskSpecialPrefixResource.cs b/src/Twilio/Rest/Voice/V1/DialingPermissions/Country/HighriskSpecialPrefixResource.cs
index 3b6e98d30..a4af1d607 100644
--- a/src/Twilio/Rest/Voice/V1/DialingPermissions/Country/HighriskSpecialPrefixResource.cs
+++ b/src/Twilio/Rest/Voice/V1/DialingPermissions/Country/HighriskSpecialPrefixResource.cs
@@ -67,10 +67,10 @@ public static ResourceSet<HighriskSpecialPrefixResource> Read(ReadHighriskSpecia
         /// <param name="options"> Read HighriskSpecialPrefix parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of HighriskSpecialPrefix </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<HighriskSpecialPrefixResource>> ReadAsync(ReadHighriskSpecialPrefixOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<HighriskSpecialPrefixResource>> ReadAsync(ReadHighriskSpecialPrefixOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<HighriskSpecialPrefixResource>.FromJson("content", response.Content);
             return new ResourceSet<HighriskSpecialPrefixResource>(page, options, client);
@@ -103,10 +103,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<HighriskSpecialPrefi
                                                                                              string pathIsoCode,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadHighriskSpecialPrefixOptions(pathIsoCode){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Voice/V1/DialingPermissions/CountryResource.cs b/src/Twilio/Rest/Voice/V1/DialingPermissions/CountryResource.cs
index 89fca411d..0b221df0a 100644
--- a/src/Twilio/Rest/Voice/V1/DialingPermissions/CountryResource.cs
+++ b/src/Twilio/Rest/Voice/V1/DialingPermissions/CountryResource.cs
@@ -67,10 +67,10 @@ public static CountryResource Fetch(FetchCountryOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Country parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(FetchCountryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(FetchCountryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -91,10 +91,10 @@ public static CountryResource Fetch(
         /// <param name="pathIsoCode"> The [ISO country code](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2) of the DialingPermissions Country resource to fetch </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(string pathIsoCode, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CountryResource> FetchAsync(string pathIsoCode, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCountryOptions(pathIsoCode){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -129,10 +129,10 @@ public static ResourceSet<CountryResource> Read(ReadCountryOptions options, ITwi
         /// <param name="options"> Read Country parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Country </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(ReadCountryOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> ReadAsync(ReadCountryOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CountryResource>.FromJson("content", response.Content);
             return new ResourceSet<CountryResource>(page, options, client);
@@ -185,10 +185,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<CountryResource>> Re
                                                                                              bool? highRiskTollfraudNumbersEnabled = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCountryOptions(){ IsoCode = isoCode, Continent = continent, CountryCode = countryCode, LowRiskNumbersEnabled = lowRiskNumbersEnabled, HighRiskSpecialNumbersEnabled = highRiskSpecialNumbersEnabled, HighRiskTollfraudNumbersEnabled = highRiskTollfraudNumbersEnabled, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Voice/V1/DialingPermissions/SettingsResource.cs b/src/Twilio/Rest/Voice/V1/DialingPermissions/SettingsResource.cs
index df8863b5c..356cc3ec8 100644
--- a/src/Twilio/Rest/Voice/V1/DialingPermissions/SettingsResource.cs
+++ b/src/Twilio/Rest/Voice/V1/DialingPermissions/SettingsResource.cs
@@ -65,10 +65,10 @@ public static SettingsResource Fetch(FetchSettingsOptions options, ITwilioRestCl
         /// <param name="options"> Fetch Settings parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Settings </returns>
-        public static async System.Threading.Tasks.Task<SettingsResource> FetchAsync(FetchSettingsOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SettingsResource> FetchAsync(FetchSettingsOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -86,10 +86,10 @@ public static SettingsResource Fetch(
         /// <summary> Retrieve voice dialing permissions inheritance for the sub-account </summary>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Settings </returns>
-        public static async System.Threading.Tasks.Task<SettingsResource> FetchAsync(ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SettingsResource> FetchAsync(ITwilioRestClient client = null, System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSettingsOptions(){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -125,11 +125,12 @@ public static SettingsResource Update(UpdateSettingsOptions options, ITwilioRest
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Settings </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SettingsResource> UpdateAsync(UpdateSettingsOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SettingsResource> UpdateAsync(UpdateSettingsOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -153,10 +154,10 @@ public static SettingsResource Update(
         /// <returns> Task that resolves to A single instance of Settings </returns>
         public static async System.Threading.Tasks.Task<SettingsResource> UpdateAsync(
                                                                               bool? dialingPermissionsInheritance = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSettingsOptions(){ DialingPermissionsInheritance = dialingPermissionsInheritance };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Voice/V1/IpRecordResource.cs b/src/Twilio/Rest/Voice/V1/IpRecordResource.cs
index f45a66699..3a3216381 100644
--- a/src/Twilio/Rest/Voice/V1/IpRecordResource.cs
+++ b/src/Twilio/Rest/Voice/V1/IpRecordResource.cs
@@ -66,10 +66,10 @@ public static IpRecordResource Create(CreateIpRecordOptions options, ITwilioRest
         /// <param name="options"> Create IpRecord parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpRecord </returns>
-        public static async System.Threading.Tasks.Task<IpRecordResource> CreateAsync(CreateIpRecordOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpRecordResource> CreateAsync(CreateIpRecordOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -101,10 +101,10 @@ public static async System.Threading.Tasks.Task<IpRecordResource> CreateAsync(
                                                                                   string ipAddress,
                                                                                   string friendlyName = null,
                                                                                   int? cidrPrefixLength = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateIpRecordOptions(ipAddress){  FriendlyName = friendlyName, CidrPrefixLength = cidrPrefixLength };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -145,11 +145,12 @@ public static bool Delete(DeleteIpRecordOptions options, ITwilioRestClient clien
         /// <param name="options"> Delete IpRecord parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpRecord </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteIpRecordOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteIpRecordOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -169,10 +170,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the IP Record resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpRecord </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteIpRecordOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -209,10 +210,10 @@ public static IpRecordResource Fetch(FetchIpRecordOptions options, ITwilioRestCl
         /// <param name="options"> Fetch IpRecord parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpRecord </returns>
-        public static async System.Threading.Tasks.Task<IpRecordResource> FetchAsync(FetchIpRecordOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpRecordResource> FetchAsync(FetchIpRecordOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -233,10 +234,10 @@ public static IpRecordResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the IP Record resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpRecord </returns>
-        public static async System.Threading.Tasks.Task<IpRecordResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpRecordResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchIpRecordOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -271,10 +272,10 @@ public static ResourceSet<IpRecordResource> Read(ReadIpRecordOptions options, IT
         /// <param name="options"> Read IpRecord parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpRecord </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<IpRecordResource>> ReadAsync(ReadIpRecordOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<IpRecordResource>> ReadAsync(ReadIpRecordOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<IpRecordResource>.FromJson("ip_records", response.Content);
             return new ResourceSet<IpRecordResource>(page, options, client);
@@ -303,10 +304,10 @@ public static ResourceSet<IpRecordResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<IpRecordResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadIpRecordOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -393,11 +394,12 @@ public static IpRecordResource Update(UpdateIpRecordOptions options, ITwilioRest
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of IpRecord </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<IpRecordResource> UpdateAsync(UpdateIpRecordOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<IpRecordResource> UpdateAsync(UpdateIpRecordOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -425,10 +427,10 @@ public static IpRecordResource Update(
         public static async System.Threading.Tasks.Task<IpRecordResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string friendlyName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateIpRecordOptions(pathSid){ FriendlyName = friendlyName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Voice/V1/SourceIpMappingResource.cs b/src/Twilio/Rest/Voice/V1/SourceIpMappingResource.cs
index 32df8385f..07a5a267d 100644
--- a/src/Twilio/Rest/Voice/V1/SourceIpMappingResource.cs
+++ b/src/Twilio/Rest/Voice/V1/SourceIpMappingResource.cs
@@ -66,10 +66,10 @@ public static SourceIpMappingResource Create(CreateSourceIpMappingOptions option
         /// <param name="options"> Create SourceIpMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SourceIpMapping </returns>
-        public static async System.Threading.Tasks.Task<SourceIpMappingResource> CreateAsync(CreateSourceIpMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SourceIpMappingResource> CreateAsync(CreateSourceIpMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -97,10 +97,10 @@ public static SourceIpMappingResource Create(
         public static async System.Threading.Tasks.Task<SourceIpMappingResource> CreateAsync(
                                                                                   string ipRecordSid,
                                                                                   string sipDomainSid,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateSourceIpMappingOptions(ipRecordSid, sipDomainSid){  };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -141,11 +141,12 @@ public static bool Delete(DeleteSourceIpMappingOptions options, ITwilioRestClien
         /// <param name="options"> Delete SourceIpMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SourceIpMapping </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSourceIpMappingOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSourceIpMappingOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -165,10 +166,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the IP Record resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SourceIpMapping </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSourceIpMappingOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -205,10 +206,10 @@ public static SourceIpMappingResource Fetch(FetchSourceIpMappingOptions options,
         /// <param name="options"> Fetch SourceIpMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SourceIpMapping </returns>
-        public static async System.Threading.Tasks.Task<SourceIpMappingResource> FetchAsync(FetchSourceIpMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SourceIpMappingResource> FetchAsync(FetchSourceIpMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -229,10 +230,10 @@ public static SourceIpMappingResource Fetch(
         /// <param name="pathSid"> The Twilio-provided string that uniquely identifies the IP Record resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SourceIpMapping </returns>
-        public static async System.Threading.Tasks.Task<SourceIpMappingResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SourceIpMappingResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSourceIpMappingOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -267,10 +268,10 @@ public static ResourceSet<SourceIpMappingResource> Read(ReadSourceIpMappingOptio
         /// <param name="options"> Read SourceIpMapping parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SourceIpMapping </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SourceIpMappingResource>> ReadAsync(ReadSourceIpMappingOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SourceIpMappingResource>> ReadAsync(ReadSourceIpMappingOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SourceIpMappingResource>.FromJson("source_ip_mappings", response.Content);
             return new ResourceSet<SourceIpMappingResource>(page, options, client);
@@ -299,10 +300,10 @@ public static ResourceSet<SourceIpMappingResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<SourceIpMappingResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSourceIpMappingOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -389,11 +390,12 @@ public static SourceIpMappingResource Update(UpdateSourceIpMappingOptions option
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of SourceIpMapping </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SourceIpMappingResource> UpdateAsync(UpdateSourceIpMappingOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SourceIpMappingResource> UpdateAsync(UpdateSourceIpMappingOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -421,10 +423,10 @@ public static SourceIpMappingResource Update(
         public static async System.Threading.Tasks.Task<SourceIpMappingResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string sipDomainSid,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSourceIpMappingOptions(pathSid, sipDomainSid){  };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Wireless/V1/CommandResource.cs b/src/Twilio/Rest/Wireless/V1/CommandResource.cs
index 70603c5ba..ec56fc39c 100644
--- a/src/Twilio/Rest/Wireless/V1/CommandResource.cs
+++ b/src/Twilio/Rest/Wireless/V1/CommandResource.cs
@@ -121,10 +121,10 @@ public static CommandResource Create(CreateCommandOptions options, ITwilioRestCl
         /// <param name="options"> Create Command parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Command </returns>
-        public static async System.Threading.Tasks.Task<CommandResource> CreateAsync(CreateCommandOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CommandResource> CreateAsync(CreateCommandOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -172,10 +172,10 @@ public static async System.Threading.Tasks.Task<CommandResource> CreateAsync(
                                                                                   CommandResource.CommandModeEnum commandMode = null,
                                                                                   string includeSid = null,
                                                                                   bool? deliveryReceiptRequested = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateCommandOptions(command){  Sim = sim, CallbackMethod = callbackMethod, CallbackUrl = callbackUrl, CommandMode = commandMode, IncludeSid = includeSid, DeliveryReceiptRequested = deliveryReceiptRequested };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -216,11 +216,12 @@ public static bool Delete(DeleteCommandOptions options, ITwilioRestClient client
         /// <param name="options"> Delete Command parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Command </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCommandOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteCommandOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -240,10 +241,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the Command resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Command </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteCommandOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -280,10 +281,10 @@ public static CommandResource Fetch(FetchCommandOptions options, ITwilioRestClie
         /// <param name="options"> Fetch Command parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Command </returns>
-        public static async System.Threading.Tasks.Task<CommandResource> FetchAsync(FetchCommandOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CommandResource> FetchAsync(FetchCommandOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -304,10 +305,10 @@ public static CommandResource Fetch(
         /// <param name="pathSid"> The SID of the Command resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Command </returns>
-        public static async System.Threading.Tasks.Task<CommandResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<CommandResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchCommandOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -342,10 +343,10 @@ public static ResourceSet<CommandResource> Read(ReadCommandOptions options, ITwi
         /// <param name="options"> Read Command parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Command </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<CommandResource>> ReadAsync(ReadCommandOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<CommandResource>> ReadAsync(ReadCommandOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<CommandResource>.FromJson("commands", response.Content);
             return new ResourceSet<CommandResource>(page, options, client);
@@ -390,10 +391,10 @@ public static async System.Threading.Tasks.Task<ResourceSet<CommandResource>> Re
                                                                                              CommandResource.TransportEnum transport = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null , System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadCommandOptions(){ Sim = sim, Status = status, Direction = direction, Transport = transport, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Wireless/V1/RatePlanResource.cs b/src/Twilio/Rest/Wireless/V1/RatePlanResource.cs
index 8ba8ac304..150f42427 100644
--- a/src/Twilio/Rest/Wireless/V1/RatePlanResource.cs
+++ b/src/Twilio/Rest/Wireless/V1/RatePlanResource.cs
@@ -66,10 +66,10 @@ public static RatePlanResource Create(CreateRatePlanOptions options, ITwilioRest
         /// <param name="options"> Create RatePlan parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RatePlan </returns>
-        public static async System.Threading.Tasks.Task<RatePlanResource> CreateAsync(CreateRatePlanOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RatePlanResource> CreateAsync(CreateRatePlanOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildCreateRequest(options, client));
+            var response = await client.RequestAsync(BuildCreateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -133,10 +133,11 @@ public static async System.Threading.Tasks.Task<RatePlanResource> CreateAsync(
                                                                                   List<string> internationalRoaming = null,
                                                                                   int? nationalRoamingDataLimit = null,
                                                                                   int? internationalRoamingDataLimit = null,
-                                                                                    ITwilioRestClient client = null)
+                                                                                    ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
         var options = new CreateRatePlanOptions(){  UniqueName = uniqueName, FriendlyName = friendlyName, DataEnabled = dataEnabled, DataLimit = dataLimit, DataMetering = dataMetering, MessagingEnabled = messagingEnabled, VoiceEnabled = voiceEnabled, NationalRoamingEnabled = nationalRoamingEnabled, InternationalRoaming = internationalRoaming, NationalRoamingDataLimit = nationalRoamingDataLimit, InternationalRoamingDataLimit = internationalRoamingDataLimit };
-            return await CreateAsync(options, client);
+            return await CreateAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -177,11 +178,12 @@ public static bool Delete(DeleteRatePlanOptions options, ITwilioRestClient clien
         /// <param name="options"> Delete RatePlan parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RatePlan </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRatePlanOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteRatePlanOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -201,10 +203,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID of the RatePlan resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RatePlan </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteRatePlanOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -241,10 +243,10 @@ public static RatePlanResource Fetch(FetchRatePlanOptions options, ITwilioRestCl
         /// <param name="options"> Fetch RatePlan parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RatePlan </returns>
-        public static async System.Threading.Tasks.Task<RatePlanResource> FetchAsync(FetchRatePlanOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RatePlanResource> FetchAsync(FetchRatePlanOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -265,10 +267,10 @@ public static RatePlanResource Fetch(
         /// <param name="pathSid"> The SID of the RatePlan resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RatePlan </returns>
-        public static async System.Threading.Tasks.Task<RatePlanResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RatePlanResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchRatePlanOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -303,10 +305,10 @@ public static ResourceSet<RatePlanResource> Read(ReadRatePlanOptions options, IT
         /// <param name="options"> Read RatePlan parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RatePlan </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<RatePlanResource>> ReadAsync(ReadRatePlanOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<RatePlanResource>> ReadAsync(ReadRatePlanOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<RatePlanResource>.FromJson("rate_plans", response.Content);
             return new ResourceSet<RatePlanResource>(page, options, client);
@@ -335,10 +337,11 @@ public static ResourceSet<RatePlanResource> Read(
         public static async System.Threading.Tasks.Task<ResourceSet<RatePlanResource>> ReadAsync(
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadRatePlanOptions(){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -425,11 +428,12 @@ public static RatePlanResource Update(UpdateRatePlanOptions options, ITwilioRest
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of RatePlan </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<RatePlanResource> UpdateAsync(UpdateRatePlanOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<RatePlanResource> UpdateAsync(UpdateRatePlanOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -461,10 +465,11 @@ public static async System.Threading.Tasks.Task<RatePlanResource> UpdateAsync(
                                                                               string pathSid,
                                                                               string uniqueName = null,
                                                                               string friendlyName = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateRatePlanOptions(pathSid){ UniqueName = uniqueName, FriendlyName = friendlyName };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Wireless/V1/Sim/DataSessionResource.cs b/src/Twilio/Rest/Wireless/V1/Sim/DataSessionResource.cs
index 613a0319e..b874e25ac 100644
--- a/src/Twilio/Rest/Wireless/V1/Sim/DataSessionResource.cs
+++ b/src/Twilio/Rest/Wireless/V1/Sim/DataSessionResource.cs
@@ -67,10 +67,10 @@ public static ResourceSet<DataSessionResource> Read(ReadDataSessionOptions optio
         /// <param name="options"> Read DataSession parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of DataSession </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<DataSessionResource>> ReadAsync(ReadDataSessionOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<DataSessionResource>> ReadAsync(ReadDataSessionOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<DataSessionResource>.FromJson("data_sessions", response.Content);
             return new ResourceSet<DataSessionResource>(page, options, client);
@@ -103,10 +103,11 @@ public static async System.Threading.Tasks.Task<ResourceSet<DataSessionResource>
                                                                                              string pathSimSid,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadDataSessionOptions(pathSimSid){ PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Wireless/V1/Sim/UsageRecordResource.cs b/src/Twilio/Rest/Wireless/V1/Sim/UsageRecordResource.cs
index 8d0ca7093..6881bdecc 100644
--- a/src/Twilio/Rest/Wireless/V1/Sim/UsageRecordResource.cs
+++ b/src/Twilio/Rest/Wireless/V1/Sim/UsageRecordResource.cs
@@ -80,10 +80,10 @@ public static ResourceSet<UsageRecordResource> Read(ReadUsageRecordOptions optio
         /// <param name="options"> Read UsageRecord parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UsageRecord </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UsageRecordResource>> ReadAsync(ReadUsageRecordOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UsageRecordResource>> ReadAsync(ReadUsageRecordOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<UsageRecordResource>.FromJson("usage_records", response.Content);
             return new ResourceSet<UsageRecordResource>(page, options, client);
@@ -128,10 +128,11 @@ public static async System.Threading.Tasks.Task<ResourceSet<UsageRecordResource>
                                                                                              UsageRecordResource.GranularityEnum granularity = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUsageRecordOptions(pathSimSid){ End = end, Start = start, Granularity = granularity, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/src/Twilio/Rest/Wireless/V1/SimResource.cs b/src/Twilio/Rest/Wireless/V1/SimResource.cs
index 1206a8345..a332fdced 100644
--- a/src/Twilio/Rest/Wireless/V1/SimResource.cs
+++ b/src/Twilio/Rest/Wireless/V1/SimResource.cs
@@ -102,11 +102,12 @@ public static bool Delete(DeleteSimOptions options, ITwilioRestClient client = n
         /// <param name="options"> Delete Sim parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sim </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSimOptions options,
-                                                                        ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(DeleteSimOptions options, 
+                                                                        ITwilioRestClient client = null,
+                                                                        System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildDeleteRequest(options, client));
+            var response = await client.RequestAsync(BuildDeleteRequest(options, client), cancellationToken);
             return response.StatusCode == System.Net.HttpStatusCode.NoContent;
         }
         #endif
@@ -126,10 +127,10 @@ public static bool Delete(string pathSid, ITwilioRestClient client = null)
         /// <param name="pathSid"> The SID or the `unique_name` of the Sim resource to delete. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sim </returns>
-        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<bool> DeleteAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new DeleteSimOptions(pathSid) ;
-            return await DeleteAsync(options, client);
+            return await DeleteAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -166,10 +167,10 @@ public static SimResource Fetch(FetchSimOptions options, ITwilioRestClient clien
         /// <param name="options"> Fetch Sim parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sim </returns>
-        public static async System.Threading.Tasks.Task<SimResource> FetchAsync(FetchSimOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SimResource> FetchAsync(FetchSimOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildFetchRequest(options, client));
+            var response = await client.RequestAsync(BuildFetchRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -190,10 +191,10 @@ public static SimResource Fetch(
         /// <param name="pathSid"> The SID or the `unique_name` of the Sim resource to fetch. </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sim </returns>
-        public static async System.Threading.Tasks.Task<SimResource> FetchAsync(string pathSid, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SimResource> FetchAsync(string pathSid, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new FetchSimOptions(pathSid){  };
-            return await FetchAsync(options, client);
+            return await FetchAsync(options, client, cancellationToken);
         }
         #endif
         
@@ -228,10 +229,10 @@ public static ResourceSet<SimResource> Read(ReadSimOptions options, ITwilioRestC
         /// <param name="options"> Read Sim parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sim </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<SimResource>> ReadAsync(ReadSimOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<SimResource>> ReadAsync(ReadSimOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<SimResource>.FromJson("sims", response.Content);
             return new ResourceSet<SimResource>(page, options, client);
@@ -280,10 +281,11 @@ public static async System.Threading.Tasks.Task<ResourceSet<SimResource>> ReadAs
                                                                                              string simRegistrationCode = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadSimOptions(){ Status = status, Iccid = iccid, RatePlan = ratePlan, EId = eId, SimRegistrationCode = simRegistrationCode, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
@@ -370,11 +372,12 @@ public static SimResource Update(UpdateSimOptions options, ITwilioRestClient cli
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of Sim </returns>
         #if !NET35
-        public static async System.Threading.Tasks.Task<SimResource> UpdateAsync(UpdateSimOptions options,
-                                                                                                    ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<SimResource> UpdateAsync(UpdateSimOptions options, 
+                                                                                                    ITwilioRestClient client = null,
+                                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildUpdateRequest(options, client));
+            var response = await client.RequestAsync(BuildUpdateRequest(options, client), cancellationToken);
             return FromJson(response.Content);
         }
         #endif
@@ -470,10 +473,11 @@ public static async System.Threading.Tasks.Task<SimResource> UpdateAsync(
                                                                               Uri voiceUrl = null,
                                                                               SimResource.ResetStatusEnum resetStatus = null,
                                                                               string accountSid = null,
-                                                                                ITwilioRestClient client = null)
+                                                                                ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new UpdateSimOptions(pathSid){ UniqueName = uniqueName, CallbackMethod = callbackMethod, CallbackUrl = callbackUrl, FriendlyName = friendlyName, RatePlan = ratePlan, Status = status, CommandsCallbackMethod = commandsCallbackMethod, CommandsCallbackUrl = commandsCallbackUrl, SmsFallbackMethod = smsFallbackMethod, SmsFallbackUrl = smsFallbackUrl, SmsMethod = smsMethod, SmsUrl = smsUrl, VoiceFallbackMethod = voiceFallbackMethod, VoiceFallbackUrl = voiceFallbackUrl, VoiceMethod = voiceMethod, VoiceUrl = voiceUrl, ResetStatus = resetStatus, AccountSid = accountSid };
-            return await UpdateAsync(options, client);
+            return await UpdateAsync(options, client, cancellationToken);
         }
         #endif
     
diff --git a/src/Twilio/Rest/Wireless/V1/UsageRecordResource.cs b/src/Twilio/Rest/Wireless/V1/UsageRecordResource.cs
index 6c432adec..a5376c724 100644
--- a/src/Twilio/Rest/Wireless/V1/UsageRecordResource.cs
+++ b/src/Twilio/Rest/Wireless/V1/UsageRecordResource.cs
@@ -78,10 +78,10 @@ public static ResourceSet<UsageRecordResource> Read(ReadUsageRecordOptions optio
         /// <param name="options"> Read UsageRecord parameters </param>
         /// <param name="client"> Client to make requests to Twilio </param>
         /// <returns> Task that resolves to A single instance of UsageRecord </returns>
-        public static async System.Threading.Tasks.Task<ResourceSet<UsageRecordResource>> ReadAsync(ReadUsageRecordOptions options, ITwilioRestClient client = null)
+        public static async System.Threading.Tasks.Task<ResourceSet<UsageRecordResource>> ReadAsync(ReadUsageRecordOptions options, ITwilioRestClient client = null,  System.Threading.CancellationToken cancellationToken = default)
         {
             client = client ?? TwilioClient.GetRestClient();
-            var response = await client.RequestAsync(BuildReadRequest(options, client));
+            var response = await client.RequestAsync(BuildReadRequest(options, client), cancellationToken);
 
             var page = Page<UsageRecordResource>.FromJson("usage_records", response.Content);
             return new ResourceSet<UsageRecordResource>(page, options, client);
@@ -122,10 +122,11 @@ public static async System.Threading.Tasks.Task<ResourceSet<UsageRecordResource>
                                                                                              UsageRecordResource.GranularityEnum granularity = null,
                                                                                              int? pageSize = null,
                                                                                              long? limit = null,
-                                                                                            ITwilioRestClient client = null)
+                                                                                            ITwilioRestClient client = null,
+                                                                                    System.Threading.CancellationToken cancellationToken = default)
         {
             var options = new ReadUsageRecordOptions(){ End = end, Start = start, Granularity = granularity, PageSize = pageSize, Limit = limit};
-            return await ReadAsync(options, client);
+            return await ReadAsync(options, client, cancellationToken);
         }
         #endif
 
diff --git a/test/Twilio.Test/Http/SystemNetHttpClientTest.cs b/test/Twilio.Test/Http/SystemNetHttpClientTest.cs
index 5784408e7..98a5410b1 100644
--- a/test/Twilio.Test/Http/SystemNetHttpClientTest.cs
+++ b/test/Twilio.Test/Http/SystemNetHttpClientTest.cs
@@ -50,7 +50,7 @@ public void Error(String url, Exception error)
         }
 
         protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request,
-                                                               CancellationToken cancellationToken)
+                                                               System.Threading.CancellationToken cancellationToken)
         {
             // Uri will contain query params, only lookup on the uri route
             var route = request.RequestUri.ToString().Split('?')[0];