Clone Voice

POST

https://api.async.com/voices/clone

Clone your voice from 3 second of audio clip

Request

Header Params

Body Params multipart/form-data

Responses

🟢200Success

application/json

Body

🟠429RATE_LIMIT_EXCEEDED

🟠401INVALID_API_KEY

🟠404VERSION_NOT_FOUND

🟠400INVALID_LANGUAGE

🟠400FORMAT_NOT_RECOGNIZED

🔴500Server Error

🟠429VOICE_CLONE_LIMIT_EXCEEDED

🟠400SHORT_SPEECH_DURATION

🟠400BAD_SPEECH_QUALITY

🟠413FILE_TOO_LARGE

Request Example

Shell

JavaScript

Java

Swift

curl --location --request POST 'https://api.async.com/voices/clone' \
--header 'x-api-key: <api-key>' \
--header 'version: v1' \
--form 'audio=@"cmMtdXBsb2FkLTE3NDQxMTUwOTk4MzQtMg==/example.wav"' \
--form 'name=""' \
--form 'description=""' \
--form 'accent=""' \
--form 'gender=""' \
--form 'style=""' \
--form 'enhance=""' \
--form 'transcript=""'

Response Example

200 - Example 1

{
    "id": "9h5835677245-85b3-85b3-c527-9h5835677245",
    "name": "Voice 1",
    "description": "My First Async Voice",
    "language": "de,en,es,fr,it"
}

Modified at 2026-02-20 08:08:58

Text to Speech (Stream)

List Voices