From 9f7e3618f3fcc8229417cbb67905c6f3514800b1 Mon Sep 17 00:00:00 2001
From: AssemblyAI <engineering.sdk@assemblyai.com>
Date: Mon, 23 Mar 2026 12:05:41 -0600
Subject: [PATCH] Project import generated by Copybara.

GitOrigin-RevId: e466675fd188008acb07278ca688dd103fea3288
---
 package.json                      | 2 +-
 src/services/streaming/service.ts | 4 ++++
 src/types/streaming/index.ts      | 3 +++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 70236bd..f3087ff 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "assemblyai",
-  "version": "4.28.0",
+  "version": "4.29.0",
   "description": "The AssemblyAI JavaScript SDK provides an easy-to-use interface for interacting with the AssemblyAI API, which supports async and real-time transcription, as well as the latest LeMUR models.",
   "engines": {
     "node": ">=18"
diff --git a/src/services/streaming/service.ts b/src/services/streaming/service.ts
index f12a111..5cefccf 100644
--- a/src/services/streaming/service.ts
+++ b/src/services/streaming/service.ts
@@ -157,6 +157,10 @@ export class StreamingTranscriber {
       );
     }
 
+    if (this.params.domain) {
+      searchParams.set("domain", this.params.domain);
+    }
+
     if (this.params.inactivityTimeout !== undefined) {
       searchParams.set(
         "inactivity_timeout",
diff --git a/src/types/streaming/index.ts b/src/types/streaming/index.ts
index 16f5d88..2591256 100644
--- a/src/types/streaming/index.ts
+++ b/src/types/streaming/index.ts
@@ -32,6 +32,7 @@ export type StreamingTranscriberParams = {
   prompt?: string;
   speechModel: StreamingSpeechModel;
   languageDetection?: boolean;
+  domain?: StreamingDomain;
   inactivityTimeout?: number;
   speakerLabels?: boolean;
   maxSpeakers?: number;
@@ -62,6 +63,8 @@ export type StreamingSpeechModel =
   | "whisper-rt"
   | "u3-pro";
 
+export type StreamingDomain = "medical-v1";
+
 export type StreamingTokenParams = {
   expires_in_seconds: number;
   max_session_duration_seconds?: number;