Seedance

Seedance (2.0 and 2.5) shares one async API:

Action	Method	Path
Create video	`POST`	`/v1/video/generations`
Get result	`GET`	`/v1/video/generations/{task_id}`

POST|GET /v1/videos is also accepted. Host: https://api.omniall.ai · Auth Authorization: Bearer sk-....

Models

See the Model Square and Seedance status. Common ids:

Family	Examples
Seedance 2.0	`db-sd2.0-1080p`, `db-sd2.0-720p`, `db-sd2.0-480p`, `db-sd2.0-4k`
Fast / Mini	`db-sd2.0-fast-720p`, `db-sd2.0-mini-480p`, …
Seedance 2.5	`db-sd2.5-1080p`, `db-sd2.5-720p`, `db-sd2.5-480p`
Official names	`doubao-seedance-2-0-260128-1080p`, `doubao-seedance-2-0-fast-260128-720p`, …

Billed per second; resolution is encoded in the model id. Pricing follows the console / Model Square.

Scenario	Key fields
Text-to-video	`prompt` + `duration` + `ratio`
Multi-image reference	`images` / `reference_images`
Omni multimodal	`reference_images` + `reference_videos` + `reference_audios`
First / last frame	`first_frame` / `last_frame` (or aliases / content roles)

Set generate_audio: true when you want an audio track with the video.