Sync from internal repo (2025-06-02)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "assemblyai",
-  "version": "4.13.0-beta.1",
+  "version": "4.13.0",
   "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"

src/services/streaming/factory.ts

@@ -8,12 +8,21 @@ import { StreamingTranscriber } from "./service";
 import { BaseService } from "../base";
 
 export class StreamingTranscriberFactory extends BaseService {
+  private baseServiceParams: BaseServiceParams;
+
   constructor(params: BaseServiceParams) {
     super(params);
+    this.baseServiceParams = params;
   }
 
   transcriber(params: StreamingTranscriberParams): StreamingTranscriber {
-    return new StreamingTranscriber(params);
+    const serviceParams = { ...params };
+
+    if (!serviceParams.token && !serviceParams.apiKey) {
+      serviceParams.apiKey = this.baseServiceParams.apiKey;
+    }
+
+    return new StreamingTranscriber(serviceParams);
   }
 
   async createTemporaryToken(params: StreamingTokenParams) {

src/services/streaming/service.ts

@@ -71,13 +71,6 @@ export class StreamingTranscriber {
 
     searchParams.set("sample_rate", this.params.sampleRate.toString());
 
-    if (this.params.wordFinalizationMaxWaitTime) {
-      searchParams.set(
-        "word_finalization_max_wait_time",
-        this.params.wordFinalizationMaxWaitTime.toString(),
-      );
-    }
-
     if (this.params.endOfTurnConfidenceThreshold) {
       searchParams.set(
         "end_of_turn_confidence_threshold",
@@ -99,11 +92,8 @@ export class StreamingTranscriber {
       );
     }
 
-    if (this.params.formattedFinals) {
-      searchParams.set(
-        "formatted_finals",
-        this.params.formattedFinals.toString(),
-      );
+    if (this.params.formatTurns) {
+      searchParams.set("format_turns", this.params.formatTurns.toString());
     }
 
     url.search = searchParams.toString();

src/types/streaming/index.ts

@@ -4,11 +4,10 @@ export type StreamingTranscriberParams = {
   token?: string;
   sampleRate: number;
 
-  wordFinalizationMaxWaitTime?: number;
   endOfTurnConfidenceThreshold?: number;
   minEndOfTurnSilenceWhenConfident?: number;
   maxTurnSilence?: number;
-  formattedFinals?: boolean;
+  formatTurns?: boolean;
 };
 
 export type StreamingEvents = "open" | "close" | "turn" | "error";
@@ -67,11 +66,10 @@ export type StreamingTerminateSession = {
 
 export type StreamingUpdateConfiguration = {
   type: "UpdateConfiguration";
-  word_finalization_max_wait_time?: number;
   end_of_turn_confidence_threshold?: number;
   min_end_of_turn_silence_when_confident?: number;
   max_turn_silence?: number;
-  formatted_finals?: boolean;
+  format_turns?: boolean;
 };
 
 export type StreamingForceEndpoint = {