Seedance 2.0 Image to Video
- Seedance 2.0 image-to-video model, generate videos from a start frame image (optional end frame)
- Supports 480p / 720p resolution, 4-15 second duration, multiple aspect ratios
- Supports synchronized audio generation
- Async processing mode, use the returned task ID to query task status
- Generated video links are valid for 24 hours, please save them promptly
Authorizations
All APIs require Bearer Token authentication
Add to request header:
Authorization: Bearer YOUR_API_KEY
Body
Seedance 2.0 image-to-video model variant
seedance-2.0-image-to-video— Standardseedance-2.0-fast-image-to-video— Fast
"seedance-2.0-image-to-video"
"seedance-2.0-fast-image-to-video"
Text prompt describing the desired video content.
Notes:
- Supports Chinese and English
- Maximum 5000 characters
"A corgi running on a rain-soaked street, cinematic shot"
Public URL of the start frame image
Notes:
- Supports JPEG / PNG / WebP, max 30MB
- Used as the starting frame for video generation
"https://example.com/start.png"
Output video resolution
Options:
480p720p— Default
"480p"
Output video aspect ratio
Options:
16:9,4:3,1:1,3:4,9:16,21:9adaptive— Automatically selected by model (default)
"adaptive"
Output video duration in seconds. Supports integers from 4 to 15, or -1 to let the model decide. Default 5.
-1
Whether to generate synchronized audio. Default true.
true
Random seed. -1 means auto-generated by model; a fixed integer improves result reproducibility.
-1
Public URL of the end frame image
Notes:
- When provided, the video will transition from the start frame to the end frame
- Supports JPEG / PNG / WebP, max 30MB
- If not provided, the model generates freely based on the prompt
"https://example.com/end.png"
Response
Task created successfully
Task creation timestamp
1757165031
Task ID
"task-unified-1757165031-uyujaw3d"
Actual model name used
Specific task type
video.generation.task Task progress percentage (0-100)
0 <= x <= 1000
Task status
pending, processing, completed, failed "pending"
Asynchronous task information
Task output type
video "video"