MiniMax Voice Cloning

POST/v1/run

Voice Clone is MiniMax's text-to-speech AI model. Generate human-like voiceovers with expressive intonation, multilingual support, and customizable voice characteristics.

Request body

Submit an async generation request. The model field selects the model; other fields are model-specific input parameters.

stringmodelrequired

Model identifier. Set to minimax/voice-clone.

Default: minimax/voice-clone

Optional<string>audio

URL of the input audio file for voice cloning. Should be at least 10 seconds long. To retain the voice permanently, use it with a TTS (text-to-speech) endpoint at least once within 7 days. Otherwise, it will be automatically deleted.

Optional<string>text

Text to generate a TTS preview with the cloned voice (optional)

Default: Hello, this is a preview of your cloned voice! I hope you like it!

Optional<boolean>need_volume_normalization

Enable volume normalization for the cloned voice

Default: false

Optional<boolean>noise_reduction

Enable noise reduction for the cloned voice

Default: false

Optional<number>accuracy

Text validation accuracy threshold (0-1)

Range: 0 to 1

Response Schema

The submit endpoint returns an accepted generation task. Poll the result endpoint with the returned id for terminal outputs or errors.

Optional<string>error

Error message if the task failed. Empty on success.

stringidrequired

Unique identifier for the generation task.

Optional<string>model

Model ID used for the prediction.

Optional<array>outputs

Array of generated content. Empty when status is not completed.

stringstatusrequired

Status of the task: pending, running, completed, failed, or timeout.

Allowed values: pending, running, completed, failed, timeout

Model capabilities

array<string>capability_tagsrequired

Capabilities declared by the model registry.

Default: text-to-speech

stringexecution_moderequired

Execution mode declared by the model registry.

Default: async

# 1. Submit a generation request
curl -X POST https://api.sandbase.ai/v1/run \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "minimax/voice-clone",
  "audio": "https://static.sandbase.ai/examples/minimax/voice-clone/input_audio_0.wav",
  "text": "Hello, this is a preview of your cloned voice! I hope you like it!"
}'

# 2. If the response is still running, poll the returned id
curl https://api.sandbase.ai/v1/run/run_abc123 \
  -H "Authorization: Bearer $SANDBASE_API_KEY"

Response202 Accepted

{
  "id": "run_abc123",
  "model": "minimax/voice-clone",
  "status": "running",
  "outputs": []
}