# Mureka O2 API

Complete API reference for the Mureka O2 song generation model.

## Model Variant

| Model                     | Description                                                                 |
| ------------------------- | --------------------------------------------------------------------------- |
| `mureka-o2-generate-song` | Generate a song from lyrics with optional style guidance and a cloned voice |

## Endpoints

```text
POST /api/v1/music/task
GET /api/v1/music/{task_id}
```

## Mureka O2 Generate Song

### Required Parameters

| Parameter    | Type   | Description                       |
| ------------ | ------ | --------------------------------- |
| `model_name` | string | Must be `mureka-o2-generate-song` |
| `lyrics`     | string | Lyrics for the song to generate. Maximum 3000 characters   |

### Optional Parameters

| Parameter       | Type   | Description                                                                                            |
| --------------- | ------ | ------------------------------------------------------------------------------------------------------ |
| `prompt`        | string | Style guidance for the song, such as genre, mood, instruments, rhythm, vocals, or production direction. Maximum 1024 characters |
| `output_format` | string | Generated audio format: `mp3`, `wav`, or `flac`. Defaults to `mp3`                                     |
| `vocal_id`      | string | Existing Mureka voice ID for the desired vocal tone                                             |

### Example Request

```javascript
const response = await fetch('https://api.flaq.ai/api/v1/music/task', {
  method: 'POST',
  headers: {
    Authorization: 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    model_name: 'mureka-o2-generate-song',
    lyrics: 'The sky turns gold above the road,\nWe sing the chorus back home.',
    prompt: 'Cinematic folk-pop with piano, acoustic guitar, and an expressive lead vocal',
    output_format: 'mp3',
    vocal_id: 'YOUR_VOCAL_ID',
  }),
});

const { data } = await response.json();
const taskId = data.task_id;
```

## Response Format

### Task Submission

```json
{
  "code": 0,
  "message": "success",
  "data": {
    "task_id": "{task_id}",
    "response_url": "https://api.flaq.ai/api/v1/music/{task_id}",
    "task_status": "submitted"
  }
}
```

### Completed Task

```json
{
  "code": 0,
  "message": "success",
  "data": {
    "task_id": "{task_id}",
    "response_url": "https://api.flaq.ai/api/v1/music/{task_id}",
    "task_status": "succeed",
    "task_status_msg": null,
    "task_result": {
      "credit": 0.2,
      "audios": [{ "url": "https://example.com/generated-audio.mp3" }]
    }
  }
}
```