Dreamina Seedance
Dreamina-Seedance-2.0-fast · Generate video
Video / Dreamina / Dreamina-Seedance-2.0-fast / Generate video
| Endpoint | Method | Path |
|---|---|---|
| Submit task | POST | /v1/videos/generations |
| Query result | GET | /v1/videos/generations/{id} |
Request parameters
Authorization
Add an Authorization header whose value is Bearer followed by your API key.
Authorization: Bearer ****************
Header parameters
Content-TypestringOptional
application/json
AcceptstringOptional
application/json
Body parametersapplication/jsonrequired
modelstringRequired
Model ID, fixed to `dreamina-seedance-2-0-fast-260128`
contentarray[object]Required
BytePlus native input array (recommended primary usage); combine the 5 types below. Note that role sits at the content-item level alongside type, NOT inside the image_url/video_url sub-object. Roles: image first_frame/last_frame/reference_image; video reference_video.
callback_urlstringOptional
Callback URL notified on task status change (optional)
return_last_framebooleanOptional
Whether to return the last-frame image (default false)
resolutionstringOptional
480p / 720p / 1080p / 4kVideo resolution (default 720p; 4k only on Seedance 2.0)
ratiostringOptional
16:9 / 4:3 / 1:1 / 9:16 / 21:9 / adaptiveAspect ratio of the generated video (default adaptive)
durationintegerOptional
Video duration in seconds (default 5)
seedintegerOptional
Random seed, default -1 (random); range [-1, 2^32-1]
camera_fixedbooleanOptional
Whether the camera is fixed (default false)
watermarkbooleanOptional
Whether to add a watermark (default false)
service_tierstringOptional
default / flexService tier: default (online inference) / flex (offline, half price; unsupported on Seedance 2.0)
execution_expires_afterintegerOptional
Task timeout (seconds) from created_at; default 172800 (48h), range [3600, 259200]
generate_audiobooleanOptional
Whether the output includes synchronized audio (default true; Seedance 2.0 / 1.5 Pro only)
draftbooleanOptional
Enable draft mode (default false; Seedance 1.5 Pro only; draft fixed at 480p)
safety_identifierstringOptional
Unique end-user identifier for platform risk detection
Example
{ "model": "dreamina-seedance-2-0-fast-260128", "content": [ { "type": "text", "text": "Slow-motion waves hitting rocks, warm dusk tones" } ], "resolution": "720p", "ratio": "16:9", "duration": 5, "seed": 11, "camera_fixed": false, "watermark": false}Request code samples
curl https://api.hotrouter.ai/v1/videos/generations \ -H "Authorization: Bearer $API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "dreamina-seedance-2-0-fast-260128", "content": [ { "type": "text", "text": "Slow-motion waves hitting rocks, warm dusk tones" } ], "resolution": "720p", "ratio": "16:9", "duration": 5, "seed": 11, "camera_fixed": false, "watermark": false }'Response
Submit task
{ "id": "cgt-xxxxxxxx", "status": "queued"}Query result
{ "id": "cgt-xxxxxxxx", "status": "succeeded", "content": { "video_url": "https://.../video.mp4" }, "usage": { "completion_tokens": 0 }}