Generate video with SeeDance 1.5 Pro
ByteDance SeeDance 1.5 Pro — text-to-video, plus image-to-video with a start frame and an optional end frame. Up to 1080p, optional audio.
Asynchronous. Returns a job id (the video is not in this response). Poll GET /v1/videos/{id} until status is succeeded — the video URL is in that response’s video_url.
Authorizations
API key as a bearer token: Authorization: Bearer bpx_live_xxx
Body
Text description of the video.
Aspect ratio.
16:9, 9:16, 1:1, 4:3, 3:4, 21:9 Optional end frame, used together with image (the start frame) to interpolate the video between the two frames. Same input forms as image.
Generate audio with the video.
Optional start frame for image-to-video. Provide a public image URL, a data URI, raw base64, or an uploaded-file URL from POST /v1/uploads. Omit for text-to-video.
Video length in seconds.
5, 10, 12 Output resolution.
480p, 720p, 1080p Seed for reproducible generation. Omit for random.