Custom Voices

Create Instant Clone

Creates a synthesis-ready custom voice from one WAV or MP3 recording. Send the audio, a display name, and a supported TTS model as multipart/form-data.

Audio requirements

  • One WAV or MP3 file
  • File size: 25 MiB or less
  • Duration: 5 to 150 seconds

The request uses one custom voice slot. A successful response returns the completed voice immediately. Supported models may vary by account and release availability.

post/v1/custom-voices/instant-clone

Request

  • Base URL: https://api.typecast.ai
  • URL: https://api.typecast.ai/v1/custom-voices/instant-clone
  • Auth: API key in header X-API-KEY

Response

Instant clone created successfully

namestring required

Voice name.

modelstring required

TTS model version.

status'pending' | 'training' | 'completed' | 'failed' required

Current creation or training status of a custom voice.

voice_idstring required

Unique custom voice identifier with the uc_ prefix.

Changes

No recorded changes to this operation across all 1 revision of this API.