diff --git a/.stats.yml b/.stats.yml
index 51913296bf..43a0559733 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
-configured_endpoints: 1680
+configured_endpoints: 1681
 openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/cloudflare%2Fcloudflare-22aa409339ba3ba4e61a86e7e94dc5a66082c5c20615d1d30e3b9499d6407e31.yml
 openapi_spec_hash: e5eb84a55caa82c6dfdc82b7fbe3e8aa
-config_hash: 713ebf60a015dd910800437b34425bea
+config_hash: 6861676932ec6aacb336d1cdc59ca521
diff --git a/api.md b/api.md
index d44c4c9741..54eb2eb649 100644
--- a/api.md
+++ b/api.md
@@ -7995,6 +7995,16 @@ Methods:
 
 - <code title="patch /accounts/{account_id}/workflows/{workflow_name}/instances/{instance_id}/status">client.workflows.instances.status.<a href="./src/resources/workflows/instances/status.ts">edit</a>(workflowName, instanceId, { ...params }) -> StatusEditResponse</code>
 
+### Events
+
+Types:
+
+- <code><a href="./src/resources/workflows/instances/events.ts">EventCreateResponse</a></code>
+
+Methods:
+
+- <code title="post /accounts/{account_id}/workflows/{workflow_name}/instances/{instance_id}/events/{event_type}">client.workflows.instances.events.<a href="./src/resources/workflows/instances/events.ts">create</a>(workflowName, instanceId, eventType, { ...params }) -> EventCreateResponse</code>
+
 ## Versions
 
 Types:
diff --git a/src/resources/workflows/instances/events.ts b/src/resources/workflows/instances/events.ts
new file mode 100644
index 0000000000..20f3a15ba5
--- /dev/null
+++ b/src/resources/workflows/instances/events.ts
@@ -0,0 +1,43 @@
+// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
+
+import { APIResource } from '../../../resource';
+import * as Core from '../../../core';
+
+export class Events extends APIResource {
+  /**
+   * Send event to instance
+   */
+  create(
+    workflowName: string,
+    instanceId: string,
+    eventType: string,
+    params: EventCreateParams,
+    options?: Core.RequestOptions,
+  ): Core.APIPromise<EventCreateResponse> {
+    const { account_id, body } = params ?? {};
+    return (
+      this._client.post(
+        `/accounts/${account_id}/workflows/${workflowName}/instances/${instanceId}/events/${eventType}`,
+        { body: body, ...options },
+      ) as Core.APIPromise<{ result: EventCreateResponse }>
+    )._thenUnwrap((obj) => obj.result);
+  }
+}
+
+export type EventCreateResponse = unknown;
+
+export interface EventCreateParams {
+  /**
+   * Path param:
+   */
+  account_id: string;
+
+  /**
+   * Body param:
+   */
+  body?: unknown;
+}
+
+export declare namespace Events {
+  export { type EventCreateResponse as EventCreateResponse, type EventCreateParams as EventCreateParams };
+}
diff --git a/src/resources/workflows/instances/index.ts b/src/resources/workflows/instances/index.ts
index 5a6cacc5b1..9c96da29fb 100644
--- a/src/resources/workflows/instances/index.ts
+++ b/src/resources/workflows/instances/index.ts
@@ -1,5 +1,6 @@
 // File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
+export { Events, type EventCreateResponse, type EventCreateParams } from './events';
 export {
   InstanceListResponsesV4PagePaginationArray,
   InstanceBulkResponsesSinglePage,
diff --git a/src/resources/workflows/instances/instances.ts b/src/resources/workflows/instances/instances.ts
index f550b3722f..587756087f 100644
--- a/src/resources/workflows/instances/instances.ts
+++ b/src/resources/workflows/instances/instances.ts
@@ -2,12 +2,15 @@
 
 import { APIResource } from '../../../resource';
 import * as Core from '../../../core';
+import * as EventsAPI from './events';
+import { EventCreateParams, EventCreateResponse, Events } from './events';
 import * as StatusAPI from './status';
 import { Status, StatusEditParams, StatusEditResponse } from './status';
 import { SinglePage, V4PagePaginationArray, type V4PagePaginationArrayParams } from '../../../pagination';
 
 export class Instances extends APIResource {
   status: StatusAPI.Status = new StatusAPI.Status(this._client);
+  events: EventsAPI.Events = new EventsAPI.Events(this._client);
 
   /**
    * Create a new workflow instance
@@ -356,6 +359,7 @@ export interface InstanceGetParams {
 Instances.InstanceListResponsesV4PagePaginationArray = InstanceListResponsesV4PagePaginationArray;
 Instances.InstanceBulkResponsesSinglePage = InstanceBulkResponsesSinglePage;
 Instances.Status = Status;
+Instances.Events = Events;
 
 export declare namespace Instances {
   export {
@@ -376,4 +380,10 @@ export declare namespace Instances {
     type StatusEditResponse as StatusEditResponse,
     type StatusEditParams as StatusEditParams,
   };
+
+  export {
+    Events as Events,
+    type EventCreateResponse as EventCreateResponse,
+    type EventCreateParams as EventCreateParams,
+  };
 }
diff --git a/tests/api-resources/workflows/instances/events.test.ts b/tests/api-resources/workflows/instances/events.test.ts
new file mode 100644
index 0000000000..a929a7e0d3
--- /dev/null
+++ b/tests/api-resources/workflows/instances/events.test.ts
@@ -0,0 +1,32 @@
+// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
+
+import Cloudflare from 'cloudflare';
+import { Response } from 'node-fetch';
+
+const client = new Cloudflare({
+  apiKey: '144c9defac04969c7bfad8efaa8ea194',
+  apiEmail: 'user@example.com',
+  baseURL: process.env['TEST_API_BASE_URL'] ?? 'http://127.0.0.1:4010',
+});
+
+describe('resource events', () => {
+  test('create: only required params', async () => {
+    const responsePromise = client.workflows.instances.events.create('x', 'x', 'x', {
+      account_id: 'account_id',
+    });
+    const rawResponse = await responsePromise.asResponse();
+    expect(rawResponse).toBeInstanceOf(Response);
+    const response = await responsePromise;
+    expect(response).not.toBeInstanceOf(Response);
+    const dataAndResponse = await responsePromise.withResponse();
+    expect(dataAndResponse.data).toBe(response);
+    expect(dataAndResponse.response).toBe(rawResponse);
+  });
+
+  test('create: required and optional params', async () => {
+    const response = await client.workflows.instances.events.create('x', 'x', 'x', {
+      account_id: 'account_id',
+      body: {},
+    });
+  });
+});