Wan 2.7 API

Complete API reference for Wan 2.7 video generation models by Alibaba.

Model Variants

This API supports four model variants:

Quick Comparison

Wan 2.7 Text to Video

Endpoint

POST /api/v1/video/task

Request Parameters

Required

Optional

Example Request

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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: 'wan-2.7-text-to-video',
    prompt: 'A cat playing with a ball of yarn in a sunlit room',
    duration: 6,
    resolution: '720p',
    aspect_ratio: '16:9',
    negative_prompt: 'blur, low quality',
    seed: 42
  })
});

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

Wan 2.7 Image to Video

Request Parameters

Required

Optional

Example Request

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{
  model_name: 'wan-2.7-image-to-video',
  image_url: 'https://example.com/first-frame.jpg',
  image_end_url: 'https://example.com/last-frame.jpg',
  video_url: 'https://example.com/reference-continuation.mp4',
  audio_url: 'https://example.com/driving-audio.mp3',
  prompt: 'Gentle camera push-in; leaves rustle softly in the breeze',
  duration: 6,
  resolution: '720p',
  negative_prompt: 'blur, low quality',
  seed: 42
}

Wan 2.7 Video Edit

Request Parameters

Required

Optional

Example Request

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{
  model_name: 'wan-2.7-video-edit',
  prompt: 'Replace the sky with warm sunset colors, keep subjects natural',
  negative_prompt: 'artifacts, flicker',
  seed: 42,
  video_url: 'https://example.com/source.mp4',
  images: ['https://example.com/ref-a.jpg', 'https://example.com/ref-b.jpg'],
  audio_setting: 'auto'
}

Wan 2.7 Reference to Video

Generate a new video from ordered image and video references, with optional voice guidance from one audio clip.

Request Parameters

Required

Reference Media

At least one reference image or reference video is required. images and videos may contain no more than 5 items in total.

Optional

@ (AT) Reference Placeholders

The @ (AT) reference feature links reference media to the prompt through numbered <<<...>>> placeholders. Numbering starts at 1 independently for each media type and follows the order of the corresponding array.

Example Request

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{
  model_name: 'wan-2.7-reference-to-video',
  prompt: 'Use image one for the hero and video one for the motion; keep the hero voice consistent with audio one',
  resolution: '1080p',
  duration: 8,
  aspect_ratio: '16:9',
  images: ['https://example.com/hero-reference.jpg'],
  videos: ['https://example.com/motion-reference.mp4'],
  audios: ['https://example.com/voice-reference.mp3'],
  negative_prompt: 'flicker, distorted hands, duplicate subjects',
  seed: 42
}

@ (AT) Reference-to-Video Request Example

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{
  model_name: 'wan-2.7-reference-to-video',
  prompt: 'Place the presenter from <<<image_1>>> in the studio from <<<image_2>>>, follow the camera path in <<<video_1>>>, and use the reference voice from <<<audio_1>>>',
  resolution: '1080p',
  duration: 8,
  aspect_ratio: '16:9',
  images: [
    'https://example.com/presenter-reference.jpg',
    'https://example.com/studio-reference.jpg'
  ],
  videos: ['https://example.com/camera-path-reference.mp4'],
  audios: ['https://example.com/voice-reference.mp3'],
  negative_prompt: 'flicker, distorted hands, duplicate subjects',
  seed: 42
}

Response Format

Initial Response

All models return a task_id for polling:

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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 GET /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

Typical processing time: 2-5 minutes depending on duration and resolution settings.

Longer videos (10-15 seconds) at 1080p may take up to 8 minutes.

Best Practices

1. Describe Scene & Motion: Include both scene content and camera movement in prompts
2. Resolution Selection: Use 720p for faster processing, 1080p for highest quality
3. Duration Planning: Longer videos cost more (per-second pricing)
4. Audio Integration: Add custom audio via audio_url parameter
5. Image Quality: For image-to-video, use high-quality input images for best results
6. Video Edit Prompts: Be specific about what to change and what to preserve
7. Reference Asset Count: For reference-to-video, keep the combined number of images and videos at 5 or fewer
8. Reference Voice: Use audios only for voice identity guidance; describe the desired spoken content in your prompt