Create speech (LangChain - OpenAI TTS)

POST/langchain/v1/audio/speech

Generates audio from text using OpenAI TTS via LangChain.

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

model*string

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

input*string

Text to convert to speech

voice?string

Voice to use

response_format?string

Value in"mp3" | "opus" | "aac" | "flac" | "wav" | "pcm"

speed?number

Range0.25 <= value <= 4

stream_format?string

Set to 'sse' for streaming

Value in"sse"

fallbacks?array<string>

Response Body

`application/json`

curl -X POST "http://localhost:8080/langchain/v1/audio/speech" \  -H "Content-Type: application/json" \  -d '{    "model": "tts-1",    "input": "string"  }'

"string"

{
  "event_id": "string",
  "type": "string",
  "is_bifrost_error": true,
  "status_code": 0,
  "error": {
    "type": "string",
    "code": "string",
    "message": "string",
    "param": "string",
    "event_id": "string"
  },
  "extra_fields": {
    "provider": "openai",
    "model_requested": "string",
    "request_type": "string"
  }
}

{
  "event_id": "string",
  "type": "string",
  "is_bifrost_error": true,
  "status_code": 0,
  "error": {
    "type": "string",
    "code": "string",
    "message": "string",
    "param": "string",
    "event_id": "string"
  },
  "extra_fields": {
    "provider": "openai",
    "model_requested": "string",
    "request_type": "string"
  }
}

Create speech (LangChain - OpenAI TTS)

Request Body

Response Body

200audio/mpeg

400application/json

500application/json

`application/json`

`application/json`