diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c0f9e2d..1ed3fbd 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "4.7.0"
+  ".": "4.8.0"
 }
diff --git a/.stats.yml b/.stats.yml
index 732af71..f6fb8cf 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 50
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/runwayml/runwayml-6891f36f2cfa06dc53ee188ca0ab127f30f849d15ac7cf45d4a1eb27c9ab3868.yml
-openapi_spec_hash: e2e91001c6f699c4fbe971c44043950f
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/runwayml/runwayml-caa255c8f1c6fd2b54d331eeacc13de517b8dbaba491ef94745d107798b5eb7a.yml
+openapi_spec_hash: d9f7b43604b06f389e2fc45376d0a519
 config_hash: 955a0e451964a44778c5c0f54ca1c994
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e71cd71..acec617 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 4.8.0 (2026-07-06)
+
+Full Changelog: [v4.7.0...v4.8.0](https://github.com/runwayml/sdk-node/compare/v4.7.0...v4.8.0)
+
+### Features
+
+* **api:** add realtime session external integrations ([75478c6](https://github.com/runwayml/sdk-node/commit/75478c6b00f8189d0d2e82caae6c3f4a25df2d65))
+
 ## 4.7.0 (2026-07-06)
 
 Full Changelog: [v4.6.0...v4.7.0](https://github.com/runwayml/sdk-node/compare/v4.6.0...v4.7.0)
diff --git a/package.json b/package.json
index bb61af8..b4b149e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@runwayml/sdk",
-  "version": "4.7.0",
+  "version": "4.8.0",
   "description": "The official TypeScript library for the RunwayML API",
   "author": "RunwayML <dev-feedback@runwayml.com>",
   "types": "dist/index.d.ts",
diff --git a/src/resources/realtime-sessions.ts b/src/resources/realtime-sessions.ts
index ed820f4..6ad4562 100644
--- a/src/resources/realtime-sessions.ts
+++ b/src/resources/realtime-sessions.ts
@@ -211,6 +211,17 @@ export interface RealtimeSessionCreateParams {
    */
   model: 'gwm1_avatars';
 
+  /**
+   * External integration. Runway renders the avatar; the integration owns
+   * conversation or audio.
+   */
+  integration?: RealtimeSessionCreateParams.Elevenlabs | RealtimeSessionCreateParams.Livekit;
+
+  /**
+   * @deprecated Use integration with type "livekit" instead.
+   */
+  livekit?: RealtimeSessionCreateParams.Livekit;
+
   /**
    * Maximum session duration in seconds.
    */
@@ -268,6 +279,75 @@ export namespace RealtimeSessionCreateParams {
     type: 'custom';
   }
 
+  /**
+   * ElevenLabs handles conversation; Runway renders the avatar video.
+   */
+  export interface Elevenlabs {
+    /**
+     * ConvAI signed WebSocket URL (~15 min lifetime).
+     */
+    signedUrl: string;
+
+    type: 'elevenlabs';
+  }
+
+  /**
+   * Join an external LiveKit room; Runway publishes video, your agent supplies
+   * audio.
+   */
+  export interface Livekit {
+    /**
+     * LiveKit access token granting the avatar worker publish rights in the external
+     * room.
+     */
+    token: string;
+
+    /**
+     * Name of the external LiveKit room.
+     */
+    roomName: string;
+
+    type: 'livekit';
+
+    /**
+     * WebSocket URL of the external LiveKit server the avatar worker should join.
+     */
+    url: string;
+
+    /**
+     * The participant identity of the customer agent already in the room. When
+     * provided, the avatar worker trusts audio published by this identity.
+     */
+    agentIdentity?: string;
+  }
+
+  /**
+   * @deprecated Use integration with type "livekit" instead.
+   */
+  export interface Livekit {
+    /**
+     * LiveKit access token granting the avatar worker publish rights in the external
+     * room.
+     */
+    token: string;
+
+    /**
+     * Name of the external LiveKit room.
+     */
+    roomName: string;
+
+    /**
+     * WebSocket URL of the external LiveKit server the avatar worker should join.
+     */
+    url: string;
+
+    /**
+     * The participant identity of the customer agent already in the room. When
+     * provided, the avatar worker trusts audio published by this identity.
+     */
+    agentIdentity?: string;
+  }
+
   /**
    * A fire-and-forget tool that sends arguments to the frontend client of the
    * realtime session.
diff --git a/src/version.ts b/src/version.ts
index 65ca08e..5ae204f 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '4.7.0'; // x-release-please-version
+export const VERSION = '4.8.0'; // x-release-please-version
diff --git a/tests/api-resources/realtime-sessions.test.ts b/tests/api-resources/realtime-sessions.test.ts
index ec0adc7..5a9c6cd 100644
--- a/tests/api-resources/realtime-sessions.test.ts
+++ b/tests/api-resources/realtime-sessions.test.ts
@@ -26,6 +26,7 @@ describe('resource realtimeSessions', () => {
     const response = await client.realtimeSessions.create({
       avatar: { presetId: 'game-character', type: 'runway-preset' },
       model: 'gwm1_avatars',
+      integration: { signedUrl: 'https://example.com', type: 'elevenlabs' },
       maxDuration: 10,
       personality: 'x',
       startScript: 'x',