diff --git a/docs/README.md b/docs/README.md
index 7f6dc9c7..c3cc9398 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -13,6 +13,11 @@ A Javascript SDK for receiving updates from the OpenSea Stream API - pushed over
 - item received offer
 - item received bid
 
+Thise types are currently be expiremented with and for now are released on a small number of collections:
+
+- order_invalidate
+- order_revalidate
+
 This is a best effort delivery messaging system. Messages that are not received due to connection errors will not be re-sent. Messages may be delievered out of order. This SDK is offered as a beta experience as we work with developers in the ecosystem to make this a more robust and reliable system.
 
 # Installation
diff --git a/package-lock.json b/package-lock.json
index dc282b47..42766cc0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@opensea/stream-js",
-  "version": "0.0.26",
+  "version": "0.1.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@opensea/stream-js",
-      "version": "0.0.26",
+      "version": "0.1.0",
       "license": "MIT",
       "dependencies": {
         "phoenix": "^1.6.15"
diff --git a/package.json b/package.json
index d93d6c25..39375767 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@opensea/stream-js",
-  "version": "0.0.26",
+  "version": "0.1.0",
   "description": "An SDK to receive pushed updates from OpenSea over websocket",
   "license": "MIT",
   "author": "OpenSea Developers",
diff --git a/src/client.ts b/src/client.ts
index 5e2c3cde..382049c5 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -16,7 +16,8 @@ import {
   Callback,
   LogLevel,
   Network,
-  OnClientEvent
+  OnClientEvent,
+  OrderValidationEvent
 } from './types';
 import { ENDPOINTS } from './constants';
 
@@ -208,6 +209,26 @@ export class OpenSeaStreamClient {
     return this.on(EventType.TRAIT_OFFER, collectionSlug, callback);
   };
 
+  public onOrderInvalidate = (
+    collectionSlug: string,
+    callback: Callback<OrderValidationEvent>
+  ) => {
+    this.debug(
+      `Listening for order invalidation events on "${collectionSlug}"`
+    );
+    return this.on(EventType.ORDER_INVALIDATE, collectionSlug, callback);
+  };
+
+  public onOrderRevalidate = (
+    collectionSlug: string,
+    callback: Callback<OrderValidationEvent>
+  ) => {
+    this.debug(
+      `Listening for order revalidation events on "${collectionSlug}"`
+    );
+    return this.on(EventType.ORDER_REVALIDATE, collectionSlug, callback);
+  };
+
   public onEvents = (
     collectionSlug: string,
     eventTypes: EventType[],
diff --git a/src/types.ts b/src/types.ts
index 64c16aa9..4f1f121d 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -40,7 +40,9 @@ export enum EventType {
   ITEM_RECEIVED_BID = 'item_received_bid',
   ITEM_CANCELLED = 'item_cancelled',
   COLLECTION_OFFER = 'collection_offer',
-  TRAIT_OFFER = 'trait_offer'
+  TRAIT_OFFER = 'trait_offer',
+  ORDER_INVALIDATE = 'order_invalidate',
+  ORDER_REVALIDATE = 'order_revalidate'
 }
 
 interface BaseItemMetadataType {
@@ -236,6 +238,21 @@ export interface TraitOfferEventPayload extends Payload {
 
 export type TraitOfferEvent = BaseStreamMessage<TraitOfferEventPayload>;
 
+export interface OrderValidationEventPayload {
+  event_timestamp: string;
+  order_hash: string;
+  protocol_address: string;
+  chain: {
+    name: string;
+  };
+  collection: {
+    slug: string;
+  };
+}
+
+export type OrderValidationEvent =
+  BaseStreamMessage<OrderValidationEventPayload>;
+
 export type Callback<Event> = (event: Event) => unknown;
 
 export enum LogLevel {