From 6a0f2fa06655a19b0db805a01a302f54566dbcf2 Mon Sep 17 00:00:00 2001
From: AssemblyAI <engineering.sdk@assemblyai.com>
Date: Mon, 16 Mar 2026 14:45:53 -0600
Subject: [PATCH] Project import generated by Copybara.

GitOrigin-RevId: 6e70f0c19aa4a441ee9784a5e3318f31d8e84bbb
---
 package.json                   |  2 +-
 src/types/openapi.generated.ts | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/package.json b/package.json
index d33ba5d..70236bd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "assemblyai",
-  "version": "4.27.0",
+  "version": "4.28.0",
   "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/types/openapi.generated.ts b/src/types/openapi.generated.ts
index 0373127..f76966f 100644
--- a/src/types/openapi.generated.ts
+++ b/src/types/openapi.generated.ts
@@ -21,6 +21,13 @@ type OneOf<T extends any[]> = T extends [infer Only]
  */
 export type AudioIntelligenceModelStatus = "success" | "unavailable";
 
+export interface TranscriptMetadata {
+  /** The domain that was actually used for the transcription. */
+  domain_used?: string | null;
+  /** An optional warning message, if applicable. */
+  warning?: string | null;
+}
+
 /**
  * @example
  * ```js
@@ -2943,6 +2950,14 @@ export type Transcript = {
    * Translations of the full transcript text when translation is enabled
    */
   translated_texts?: Record<string, string>;
+  /**
+   * The domain used for the transcription.
+   */
+  domain?: string | null;
+  /**
+   * Metadata returned by the transcription API.
+   */
+  metadata?: TranscriptMetadata | null;
 };
 
 /**
@@ -3470,6 +3485,10 @@ export type TranscriptOptionalParams = {
   speech_understanding?:
     | SpeechUnderstandingRequest
     | SpeechUnderstandingResponse;
+  /**
+   * The domain to use for the transcription (e.g. 'medical-v1').
+   */
+  domain?: string | null;
 };
 
 /**