> ## Documentation Index
> Fetch the complete documentation index at: https://docs.toapis.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Asset Operations

> persona vocal extraction, createVoice cloning, createModel custom training, vox (legacy)

Asset operations produce upstream asset IDs (`persona_id` / `voice_id` / `model_id`) reusable in later requests.

```
POST https://toapis.com/v1/music/generations/{operation}
```

**model** `string` *required*

Fixed `"suno"`

## persona — vocal persona (\$0.004)

Extract a vocal persona from an existing song; reuse via `persona_id` in `generation` etc.

**task\_id** `string` *required*

Source task ID

**name** `string` *required*

Persona name

**describe** `string`

Persona description (optional)

## createVoice — voice cloning (\$0.016)

**audio\_url** `string` *required*

Source audio URL — **clean vocal stems only**; full mixes are rejected upstream

**name** `string`

Voice name

## createModel — custom model training (\$0.96)

Train a custom model on 6-24 tracks; use the resulting `custom_model_id` in `generation` (omit `version` and `persona_id` when using a custom model).

**name** `string` *required*

Model name

**audio\_urls** `array` *required*

6-24 public audio URLs

```bash theme={null}
curl --request POST \
  --url https://toapis.com/v1/music/generations/createModel \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{"model":"suno","name":"my-voice-model","audio_urls":["https://.../a.mp3","https://.../b.mp3","..."]}'
```

## vox — vocal extraction (\$0.004, legacy)

**task\_id** `string` *required*

Source task ID

**vocal\_start\_s** `number`

Vocal range start (seconds, optional)

**vocal\_end\_s** `number`

Vocal range end (seconds, optional)

**styles** `string`

Style (optional)

> [!TIP]
>
> Deprecated — upstream recommends `persona`.

## Response

**task\_id** `string`

Task ID

**status** `string`

`submitted`


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