STD Create Video
创建 Seedance 2.0 视频生成任务。支持满血版(sd2_mx_*,按秒计费,素材须审核)、SP 经济版(seedance2.0-sp / seedance2.0-fast-sp,按分辨率按秒计费)、SP 官方版(seedance2.0-of-sp / seedance2.0-of-fast-sp,按分辨率按秒计费)、Mini 版(seedance2.0-mini,按分辨率按秒计费)、Mini 特价版(seedance2.0-mini-sp,按次计费,仅 480p/720p)、MD(seedance2.0-md / seedance2.0-fast-md,按次计费,720p,不支持音频)、Fast I2V(seedance2.0-fast-i2v,按次计费,720p,仅图片参考最多 9 张,不支持参考视频/音频)、STD 标准版(seedance2.0-std,按次计费,720p,支持音频参考)。创建后使用 GET /api/open-api/v1/videos/ 查询结果。详见 seedance/md/create、seedance/md/fast-i2v、seedance/md/std、seedance/mini/create 与 seedance/mini-sp/create 文档。
task_id. Poll Query Video Task until completed, then read the video URL from result.video_url.
POST /api/open-api/v1/seedance/videos. Use model: "seedance2.0-std" to select the standard route.Model
| Route | model value | Billing | Duration | Output |
|---|---|---|---|---|
| STD standard | seedance2.0-std | Per task | 4–15 s | Fixed 720p |
Request fields
| Field | Type | Required | Description |
|---|---|---|---|
model | string | Yes | Use seedance2.0-std |
prompt | string | Yes | Text prompt |
duration | int | Yes | Length in seconds, 4–15 (default 5) |
ratio | string | No | 16:9 (default), 9:16, 1:1, 4:3, 3:4, or 21:9 |
images | string[] | No | Reference images, max 9 |
first_image | string | No | First frame |
last_image | string | No | Last frame |
reference_videos | string[] | No | Reference videos |
reference_audios | string[] | No | Reference audio clips, max 3 |
Assets
- Pass publicly reachable
https://image, video, or audio URLs directly. reference_videosonly accepts video URLs. Put image URLs inimages.- SP asset library (
asset://) and Full-route audit flows do not apply to STD.
Constraints
- Do not combine
images(reference image mode) withfirst_image/last_image(frame mode). - Frame mode accepts
first_image,last_image, or both. - Frame mode does not support
reference_audios. ratiomust be one of21:9,16:9,4:3,1:1,3:4,9:16.- At most 9 items in
images. - At most 3 items in
reference_audios. reference_videosonly supports video URLs, not image URLs.
Examples
Reference images
Video and audio references
First and last frame image-to-video
Response
Poll for result
queued → processing → completed or failed. Video URL is in data.result.video_url when completed.
Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Body
Model name. Manxue: sd2_mx_720p | sd2_mx_1080p | sd2_mx_2k | sd2_mx_4k; Fast: sd2_mx_fast_720p | sd2_mx_fast_1080p; Video ref: sd2_mx_video_720p | sd2_mx_video_1080p | sd2_mx_video_2k | sd2_mx_video_4k; Video ref Fast: sd2_mx_video_fast_720p | sd2_mx_video_fast_1080p (all per-second). reference_videos only for video-series models. SP economy: seedance2.0-sp | seedance2.0-fast-sp (per-second by resolution). SP official: seedance2.0-of-sp | seedance2.0-of-fast-sp (per-second by resolution). Mini: seedance2.0-mini (per-second by resolution). Mini Special: seedance2.0-mini-sp (per-task, 480p/720p only). MD: seedance2.0-md | seedance2.0-fast-md (per-task, 720p). Fast I2V: seedance2.0-fast-i2v (per-task, 720p, image refs only). STD standard: seedance2.0-std (per-task, 720p)
Text prompt. MD route: max 5000 characters
Duration in seconds. Full 4-12; SP economy 4-15; MD 1-15; STD standard 4-15. Default 5
Output resolution for SP economy. Default 720p
480p, 720p, 1080p Video orientation (ratio takes precedence if set)
landscape, portrait Reference images. Full route: asset://{assetId}; SP/MD/STD/Fast I2V: https:// URL. MD max 4; seedance2.0-fast-i2v and STD max 9. Mutually exclusive with first_image/last_image
Aspect ratio. MD: 16:9, 9:16, 1:1 only. STD: 21:9, 16:9, 4:3, 1:1, 3:4, 9:16. Full route also supports 4:3, 3:4, 21:9, Adaptive
First frame. Full: asset://{assetId}; Economy/MD: https:// URL. MD frame mode requires last_image as well; first frame only is not supported
Last frame. Full: asset://{assetId}; Economy/MD: https:// URL. MD frame mode requires first_image as well
Reference videos. Full: asset://{assetId}; Economy/MD: https:// URL. MD: max 3, combined duration ≤15s, combined size ≤200MB, each resolution 720px–2160px. Not supported on seedance2.0-fast-i2v
Reference audio. Supported on Full, SP economy, and STD. Not supported on MD or seedance2.0-fast-i2v. Full: asset://{assetId}; SP: https:// URL or asset://. STD max 3 clips; frame mode does not support audio references