Submit HappyHorse image-to-video task (first frame)
curl --location 'https://dashscope-intl.aliyuncs.com/api/v1/services/aigc/video-generation/video-synthesis' \
-H 'X-DashScope-Async: enable' \
-H "Authorization: Bearer $DASHSCOPE_API_KEY" \
-H 'Content-Type: application/json' \
-d '{
"model": "happyhorse-1.0-i2v",
"input": {
"prompt": "A cat running on the grass",
"media": [
{
"type": "first_frame",
"url": "https://cdn.translate.alibaba.com/r/wanx-demo-1.png"
}
]
},
"parameters": {
"resolution": "720P",
"duration": 5
}
}'{
"request_id": "4909100c-7b5a-9f92-bfe5-xxxxxx",
"output": {
"task_id": "0385dc79-5ff8-4d82-bcb6-xxxxxx",
"task_status": "PENDING"
}
}DashScope API Key. Get one from the Qwen Cloud console.
Must be set to enable for asynchronous task submission.
Model identifier. Fixed value: happyhorse-1.0-i2v.
Input content for video generation.
Show child attributes
Input media list. Must contain exactly one first_frame image. The aspect ratio of the generated video automatically follows the input image.
Show child attributes
Media asset type. Fixed value: first_frame.
URL or Base64-encoded data of the first frame image.
Public URL: HTTP/HTTPS (e.g., https://xxx/xxx.png).
Base64: data:{MIME_type};base64,{base64_data} (supported MIME types: image/jpeg, image/png, image/webp).
Image constraints: Formats: JPEG, JPG, PNG, WEBP. Resolution: width and height at least 300 px. Aspect ratio: 1:2.5 to 2.5:1. File size: up to 20 MB.
Text description of the video to generate. Optional -- if omitted, the model infers motion from the image alone. Supports any language. Maximum 5,000 non-Chinese characters or 2,500 Chinese characters (auto-truncated if exceeded).
Video generation parameters.
Show child attributes
Video clarity tier. The model automatically scales to approximate the total pixel count for the selected resolution. The aspect ratio of the output video closely matches the input first frame.
Video duration in seconds (integer, 3-15). Longer videos cost more -- billing is per second.
Whether to add a watermark to the generated video. true (default): adds a "HappyHorse" watermark in the lower-right corner. false: no watermark.
Seed for reproducible results. Same seed + same parameters produces similar (not identical) output.
Unique request identifier for tracing and troubleshooting.
curl --location 'https://dashscope-intl.aliyuncs.com/api/v1/services/aigc/video-generation/video-synthesis' \
-H 'X-DashScope-Async: enable' \
-H "Authorization: Bearer $DASHSCOPE_API_KEY" \
-H 'Content-Type: application/json' \
-d '{
"model": "happyhorse-1.0-i2v",
"input": {
"prompt": "A cat running on the grass",
"media": [
{
"type": "first_frame",
"url": "https://cdn.translate.alibaba.com/r/wanx-demo-1.png"
}
]
},
"parameters": {
"resolution": "720P",
"duration": 5
}
}'{
"request_id": "4909100c-7b5a-9f92-bfe5-xxxxxx",
"output": {
"task_id": "0385dc79-5ff8-4d82-bcb6-xxxxxx",
"task_status": "PENDING"
}
}