Text-to-Speech (TTS)

POST

/v1/audio/speech

Synthesizes speech from text, returns audio stream

Request

Authorization

Bearer Token

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

Authorization: Bearer ********************

Body Params application/jsonRequired

Example

{
    "model": "cosyvoice-v2",
    "voice": "longxiaochun",
    "input": "Welcome to POLOAPI"
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location '/v1/audio/speech' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
    "model": "cosyvoice-v2",
    "voice": "longxiaochun",
    "input": "Welcome to POLOAPI"
}'

Responses

🟢200

audio/mpeg

Audio stream (binary)

🟠401

Modified at 2026-08-18 09:38:04

Image-to-Image

Speech-to-Text (STT)