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

# Remaster

> Remaster an existing clip with improved audio quality

## Endpoint

```http theme={null}
POST /api/v1/music/remaster
```

**Asynchronous.** Returns a `task_id`. Poll [Get Task](/api-reference/tasks/get) for results.

Reprocesses an existing clip through the AI to enhance audio quality, clarity, and mastering.

## Request body

| Field            | Type    | Required | Description                                                                       |
| ---------------- | ------- | -------- | --------------------------------------------------------------------------------- |
| `clip_id`        | string  | **Yes**  | Clip ID of the track to remaster.                                                 |
| `mv`             | string  | No       | Model version override.                                                           |
| `callback_url`   | string  | No       | Webhook URL for completion notification. See [Webhooks](/api-reference/webhooks). |
| `retention_days` | integer | No       | Days to retain audio files. Default `7`.                                          |

## Response

```json theme={null}
{
  "code": 0,
  "message": "ok",
  "request_id": "req-1710000000000",
  "data": {
    "task_id": "64f3a1b2c8d9e0f1a2b3c4d5",
    "status": "queuing"
  }
}
```

## Example

```bash theme={null}
curl -X POST https://api.example.com/api/v1/music/remaster \
  -H "Authorization: Bearer sk-mm-your-key" \
  -H "Content-Type: application/json" \
  -d '{
    "clip_id": "abc123def456"
  }'
```