Text to speech

POST

/v1/audio/speech

The Audio API provides a speech endpoint based on our TTS (text-to-speech) model. It comes with 6 built-in voices and can be used to:

Narrate a written blog post
Produce spoken audio in multiple languages
Give real time audio output using streaming

Generates audio from the input text.

将输入文本转录为音频。

Request

Header Params

Content-Type

string

required

Example:

application/json

Authorization

string

required

Example:

Bearer {{YOUR_API_KEY}}

Body Params application/json

model

string

required

One of the available TTS models: tts-1 or tts-1-hd

input

string

required

The text to generate audio from. The maximum length is 4096 characters.

voice

string

required

The voice to use when generating audio. Supported voices are: alloy, echo, fable, onyx, nova and shimmer.

response_format

string

optional

The default is mp3 audio format. Supported formats are: mp3, opus, aac and flac.

speed

number

optional

Defaults to 1. Generated audio speed. Choose a value between 0.25 and 4.0. 1.0 is the default value.

Example

{
    "model": "tts-1",
    "input": "The quick brown fox jumped over the lazy dog.",
    "voice": "alloy"
  }

Request samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST 'https://api.modelless.co/v1/audio/speech' \
--header 'Authorization: Bearer ' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "tts-1",
    "input": "The quick brown fox jumped over the lazy dog.",
    "voice": "alloy"
  }'

Responses

🟢200OK

application/json

Body

object {0}

Example

{
    "model": "tts-1",
    "input": "The quick brown fox jumped over the lazy dog.",
    "voice": "alloy"
}

Create translation

FAQ