AIモデルAPIVideosSeedance Format
Seedance Video Generation
Create asynchronous video generation tasks with Seedance models.
Create an asynchronous video generation task with a Seedance model. Text, image, video, and audio reference assets are passed through metadata.content.
Create a task
curl https://lizh.ai/v1/video/generations/async \
-H "Authorization: Bearer $NEW_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "doubao-seedance-2-0-fast-260128",
"prompt": "Prompt",
"metadata": {
"content": [
{"type": "text", "text": "Prompt again"},
{"type": "image_url", "image_url": {"url": "asset://asset-20260319082447-qrrjp"}, "role": "reference_image"},
{"type": "image_url", "image_url": {"url": "https://ark-project.tos-cn-beijing.volces.com/doc_image/r2v_tea_pic1.jpg"}, "role": "reference_image"},
{"type": "image_url", "image_url": {"url": "https://ark-project.tos-cn-beijing.volces.com/doc_image/r2v_tea_pic2.jpg"}, "role": "reference_image"},
{"type": "video_url", "video_url": {"url": "https://ark-project.tos-cn-beijing.volces.com/doc_video/r2v_tea_video1.mp4"}, "role": "reference_video"},
{"type": "audio_url", "audio_url": {"url": "https://ark-project.tos-cn-beijing.volces.com/doc_audio/r2v_tea_audio1.mp3"}, "role": "reference_audio"}
],
"generate_audio": true,
"ratio": "16:9",
"duration": 5,
"watermark": false,
"resolution": "720p"
}
}'Replace $NEW_API_KEY with your API key. Use asset:// for platform-uploaded assets, or a publicly accessible URL for external assets.
Example response:
{
"id": "task_NWn9Ox4TeQIdulxbQqDHu3Zf75lEI2g8",
"task_id": "task_NWn9Ox4TeQIdulxbQqDHu3Zf75lEI2g8",
"object": "video",
"model": "doubao-seedance-2-0-fast-260128",
"status": "queued",
"progress": 0,
"created_at": 1785432875,
"metadata": {
"upstream": {
"code": 0,
"data": {"id": "cgt-20260731013429-hp2f5"},
"msg": "ok"
}
}
}Get task status
curl -X GET "https://lizh.ai/v1/video/generations/task_NWn9Ox4TeQIdulxbQqDHu3Zf75lEI2g8" \
-H "Authorization: Bearer $NEW_API_KEY"Replace task_NWn9Ox4TeQIdulxbQqDHu3Zf75lEI2g8 with the task ID returned when the task was created.
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