Voice CreationVoice Cloning

Build Voice

POST https://app.resemble.ai/api/v2/voices/{uuid}/build

Start training a voice. Requires Business or Enterprise plan.

ParameterTypeRequiredNotes
uuidstring✅Voice UUID (URL parameter).
FieldTypeRequiredNotes
fillboolean❌Enable fill/speech-to-speech training. Default: false.
$curl --request POST 'https://app.resemble.ai/api/v2/voices/VOICE_UUID/build' \
>  -H 'Authorization: Bearer YOUR_API_TOKEN' \
>  -H 'Content-Type: application/json' \
>  --data '{"fill": false}'
1{
2  "success": true
3}

Professional voices require at least 3 active recordings (configurable). Rapid voices require at least 1 recording or custom dataset. Cannot build pre-built or marketplace voices. Recordings must meet quality standards (not silent, correct duration).