API
API Documentation
Generated videos are stored for 3 days. Download URLs expire with the file.
Authentication
All API requests require a Bearer token:
Authorization: Bearer sk_your_api_token
Models
seedance_2_5_bonus— fixed 30s / 720p, 3 credits, prompt up to 8000 characters. Photo and video reference limits come fromGET /api/v1/models(typically up to 30 images and 10 videos).seedance_2_bonus— fixed 15s / 720p, 2 credits. Photo references only (typically up to 9 JPEG/PNG); video refs are disabled for this model in the catalog.
Reference types (photo, video, audio) and maxCount per model are listed in references on GET /api/v1/models (cached ~5 minutes).
Create video
One reference image:
POST /api/v1/videos/generate
Content-Type: application/json
{
"model": "seedance_2_5_bonus",
"prompt": "A cat walking in the rain",
"aspect_ratio": "16:9",
"image_url": "https://public-url/image.png"
}Multiple reference images:
POST /api/v1/videos/generate
Content-Type: application/json
{
"model": "seedance_2_5_bonus",
"prompt": "A cat walking in the rain",
"aspect_ratio": "16:9",
"content": [
{
"type": "image_url",
"image_url": { "url": "https://public-url/first.png" },
"role": "reference_image"
},
{
"type": "image_url",
"image_url": { "url": "https://public-url/second.png" },
"role": "reference_image"
}
]
}Get status
GET /api/v1/videos/{id}Response includes expires_at (3 days retention).
Download
GET /api/v1/videos/{id}/downloadLoading…