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POST
Seedance 2 Fast
video-ds-2.0-fast is the fast Seedance 2 text-to-video route. It has the same accepted durations, output sizes, and public prices as the standard route.
string
required
Set to video-ds-2.0-fast.
string
required
Describe the scene, action, camera movement, and visual style.
string
required
Set to "5", "10", or "15". The selected value determines the charge.
string
default:"16:9"
Use 16:9, 9:16, or 1:1. The corresponding output is 1280x720, 720x1280, or 1024x1024.

Request

The response returns a queued task id. Follow the Video API workflow and keep model=video-ds-2.0-fast in the poll and download URLs.
Do not send familySlug or size. familySlug is a Portal-only routing value, not a public API field. Use aspect_ratio for this model.

Open the Seedance 2 playground

Choose the Fast route, duration, and aspect ratio in the Portal.