v1

latestOpenAPI 3.1.0Apache 2.02026-07-264001921002.3 KB

LangChain Integration

Create speech (LangChain - OpenAI TTS)

Generates audio from text using OpenAI TTS via LangChain.

post/langchain/v1/audio/speech

modelstring required

Model identifier (e.g., tts-1, tts-1-hd)

inputstring required

Text to convert to speech

Voice to use

response_format'mp3' | 'opus' | 'aac' | 'flac' | 'wav' | 'pcm'

speednumber

stream_format'sse'

Set to 'sse' for streaming

fallbacksstring[]

{
  "model": "tts-1"
}

Successful response