seedance-1.0-pro

Seedance 1.0 Pro text-to-video and image-to-video API.

Use doubao-seedance-1-0-pro-250528 with POST /v1/video/generations for both Seedance 1.0 Pro workflows.

Text to video

Create task

POST /v1/video/generations

cURL

curl --request POST \
  --url https://www.anyfast.ai/v1/video/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{"model":"doubao-seedance-1-0-pro-250528","content":[{"type":"text","text":"A cat walking through sunflowers at golden hour"}],"ratio":"16:9","resolution":"1080p","duration":5,"watermark":false}'

Request body

model · string · required

Must be doubao-seedance-1-0-pro-250528.

content · object[] · required

Must contain one text item with type: "text" and a text prompt.

ratio · string · default: "16:9"

16:9, 4:3, 1:1, 3:4, 9:16, or 21:9. adaptive is not supported for text-to-video.

resolution · string · default: "1080p"

480p, 720p, or 1080p.

duration · integer · default: 5

Video duration from 2 to 12 seconds.

watermark · boolean · default: false

Whether to include a watermark.

seed · integer

Random seed for reproducibility.

camera_fixed · boolean · default: false

Whether to fix the camera position.

Image to video

Create task

POST /v1/video/generations

cURL

curl --request POST \
  --url https://www.anyfast.ai/v1/video/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{"model":"doubao-seedance-1-0-pro-250528","content":[{"type":"text","text":"The girl opens her eyes and looks at the camera gently"},{"type":"image_url","image_url":{"url":"https://example.com/photo.jpg"},"role":"first_frame"}],"ratio":"adaptive","resolution":"1080p","duration":5,"watermark":false}'

Request body

model · string · required

Must be doubao-seedance-1-0-pro-250528.

content · object[] · required

Multimodal content containing a text prompt and one or more reference images.

content[].type · string · required

Use text for the prompt and image_url for a reference image.

content[].image_url.url · string

Public URL of the reference image.

content[].role · string

first_frame or last_frame for the reference image role.

ratio · string · default: "16:9"

16:9, 4:3, 1:1, 3:4, 9:16, 21:9, or adaptive.

resolution · string · default: "1080p"

480p, 720p, or 1080p.

duration · integer · default: 5

Video duration from 2 to 12 seconds.

watermark · boolean · default: false

Whether to include a watermark.

seed · integer

Random seed for reproducibility.

camera_fixed · boolean · default: false

Whether to fix the camera position.

Request headers

Authorization · string · required

Bearer authentication in the form Bearer <token>.

Content-Type · string · default: "application/json" · required

Request body format.

Response

200

{"id":"gen-abc123","model":"doubao-seedance-1-0-pro-250528","status":"processing","created_at":1773130665}

id · string

Created task ID.

model · string

Model used for task creation.

status · string

Initial task status.

created_at · integer

Task creation Unix timestamp in seconds.

Error responses

• 401 Unauthorized — The API key is missing or invalid.
• 429 Rate limit exceeded — The request exceeded the applicable rate limit.