Eleven V4 API

Complete API reference for ElevenLabs Eleven V4 text-to-speech models.

Model Variants

Endpoints

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

Required Parameters

Optional Parameters

Example Request

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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: 'elevenlabs-eleven-v4',
    prompt: 'Welcome to Flaq.ai. Let us make something great together.',
    voice_id: 'Alicia',
    stability: 0.5,
    similarity: 0.75,
  }),
});

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

Response Format

Task Submission

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

Query Task Status

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const response = await fetch('https://api.flaq.ai/api/v1/music/{task_id}', {
  headers: { Authorization: 'Bearer YOUR_API_KEY' },
});

const { data } = await response.json();
console.log(data.task_status);

Completed Task

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{
  "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": {
      "audios": [{ "url": "https://example.com/generated-speech.mp3" }]
    }
  }
}

Task Status Values

• submitted: The task has been submitted.
• processing: The task is being processed.
• succeed: The task completed successfully.
• failed: The task failed.