Speech synthesis

Developing

POST

/v1/audio/speech

Supports OpenAI's official tts models: tts-1, tts-1-hd, or gpt-4o-mini-tts
Supported voices include: alloy, ash, ballad, coral, echo, fable, onyx, nova, sage, shimmer, and verse
Official documentation: https://platform.openai.com/docs/api-reference/audio/createSpeech
Voice samples: https://www.openai.fm/

Request

Header Params

Body Params application/json

Example

{
    "model": "gpt-4o-mini-tts",
    "input": "Today is a wonderful day to build something people love!",
    "voice": "coral",
    "instructions": "Speak in a cheerful and positive tone."
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location '/v1/audio/speech' \
--header 'Authorization: {{Authorization}}' \
--header 'Content-Type: application/json' \
--data '{
    "model": "gpt-4o-mini-tts",
    "input": "Today is a wonderful day to build something people love!",
    "voice": "coral",
    "instructions": "Speak in a cheerful and positive tone."
}'

Responses

🟢200成功

application/json

Bodyapplication/json

Example

{}

Modified at 2026-10-19 10:10:04

Speech recognition

Official Function Calling invocation