Veo 3.1 API

Complete API reference for Veo 3.1 video generation models.

Model Variants

This API supports four model variants:

Quick Comparison

Veo 3.1 Text to Video (Standard & Fast)

Endpoint

POST /api/v1/video/task

Request Parameters

Required

Optional

Example Request

Standard Version:

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const response = await fetch('https://api.flaq.ai/api/v1/video/task', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    model_name: 'veo3.1-text-to-video',
    prompt: 'A time-lapse of a flower blooming'
  })
});

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

Fast Version:

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{
  model_name: 'veo3.1-fast-text-to-video',
  prompt: 'A time-lapse of a flower blooming'
}

Veo 3.1 Image to Video (Standard & Fast)

Request Parameters

Required

Optional

Example Request

Standard Version:

javascriptCopy
const response = await fetch('https://api.flaq.ai/api/v1/video/task', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    model_name: 'veo3.1-image-to-video',
    image_url: 'https://example.com/image.jpg',
    prompt: 'Camera slowly zooms in, soft wind movement'
  })
});

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

Fast Version:

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{
  model_name: 'veo3.1-fast-image-to-video',
  image_url: 'https://example.com/image.jpg',
  prompt: 'Camera slowly zooms in, soft wind movement'
}

Response Format

Initial Response

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

Polling Response

Poll /api/v1/video/{taskId} to check status:

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{
  "code": 0,
  "message": "success",
  "data": {
    "task_id": "{task_id}",
    "response_url": "https://api.flaq.ai/api/v1/video/{task_id}",
    "task_status": "succeed",
    "task_status_msg": null,
    "task_result": {
      "videos": [
        {
          "url": "https://example.com/generated-video.mp4"
        }
      ]
    }
  }
}

Status Values

• submitted: Task accepted and waiting to be processed
• processing: Video generation in progress
• succeed: Video generation completed
• failed: Video generation failed

Processing Time

• Standard Version: ~2-3 minutes
• Fast Version: ~1-2 minutes

Use polling to check generation status every 5-10 seconds.

Best Practices

• Be specific about camera movements and scene dynamics
• Fast version offers good quality with faster processing
• Standard version provides highest quality output
• Use descriptive prompts for better results