Seedance 2.0 AC

POST

videos

curl --request POST \
  --url https://sigrunai.com/v1/videos \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "omni-10s",
  "prompt": "A golden retriever running across a sunny meadow, cinematic tracking shot",
  "aspect_ratio": "16:9"
}
'

{
  "code": 20000,
  "msg": "<string>",
  "data": {
    "task_id": "<string>",
    "status": "<string>",
    "progress": 123,
    "model": "<string>",
    "created_at": 123,
    "completed_at": 123,
    "cost": 123,
    "error_message": "<string>",
    "result": {
      "image_url": "<string>",
      "video_url": "<string>"
    }
  }
}

Create a Seedance 2.0 AC video via POST /v1/videos with model set to sd2-480p-ac or sd2-720p-ac. Poll Query video task for result.video_url. Billed per task (duration only controls clip length, not price).

Models

`model`	Billing	Duration	Resolution
`sd2-480p-ac`	`per_task`	4–15 seconds	Fixed 480p
`sd2-720p-ac`	`per_task`	4–15 seconds	Fixed 720p

First/last frames are not supported.

Request fields

Field	Type	Required	Notes
`model`	string	yes	`sd2-480p-ac` or `sd2-720p-ac`
`prompt`	string	yes	Up to 5000 characters
`duration` / `seconds`	int	no	4–15; default 5
`aspect_ratio` / `ratio`	string	no	`16:9` or `9:16`; default `9:16`
`images` / `reference_images`	string[]	no	Up to 9 reference images
`videos` / `reference_videos`	string[]	no	Up to 3 reference videos
`audios` / `reference_audios`	string[]	no	Up to 3 reference audios

Reference media must be public https:// URLs.

Example

curl -X POST 'https://sigrunai.com/v1/videos' \
  -H 'Authorization: Bearer sk_xxx' \
  -H 'Content-Type: application/json' \
  -d '{
    "model": "sd2-720p-ac",
    "prompt": "A cat running on grass, tracking shot",
    "duration": 8,
    "aspect_ratio": "9:16",
    "images": ["https://example.com/cat.png"]
  }'

Authorizations

Authorization

string

header

required

控制台创建的 API Key，格式：Bearer sk_xxx

Body

application/json

model

string

required

omni-10s, veo3.1-fast, veo3.1-lite, veo3.1-lite-hd, grok-imagine-video-1.5 (and fast/lite), minimax-h3, minimax-h3-max, kling-4.0 / kling-4.0-720p / kling-4.0-1080p, seedance2.0-md, sd2-480p-ac, sd2-720p-ac, seedance2.5-30s, or sd2.5-720p-ac

Example:

"omni-10s"

prompt

string

required

duration

omni-10s: fixed 10; seedance2.0-md: 5/10/15; sd2-*-ac: 4–15; seedance2.5-30s: fixed 30; sd2.5-720p-ac: 4–30

seconds

Alias of duration

aspect_ratio

string

ratio

string

Alias of aspect_ratio

orientation

string

portrait/landscape may imply aspect ratio

size

string

resolution

string

omni-10s is fixed at 720p

first_image

string<uri>

First-frame URL for omni-10s frame mode

last_image

string<uri>

Last-frame URL for omni-10s; use with first_image

images

string<uri>[]

reference_images

string<uri>[]

videos

string<uri>[]

reference_videos

string<uri>[]

reference_video_durations

integer[]

Required with reference videos for kling-4.0; same length as videos; seconds 1–30. Billable seconds = output duration + sum of these values.

Required range: 1 <= x <= 30

reference_audio_durations

integer[]

Required with reference audios for kling-4.0; same length as audios; seconds 5–30 (validation only, not billed).

Required range: 5 <= x <= 30

audios

string<uri>[]

reference_audios

string<uri>[]

Response

200 - application/json

Submitted

code

integer

Example:

20000

msg

string

data

object

Show child attributes

Last modified on October 19, 2026

⌘I

curl --request POST \
  --url https://sigrunai.com/v1/videos \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "omni-10s",
  "prompt": "A golden retriever running across a sunny meadow, cinematic tracking shot",
  "aspect_ratio": "16:9"
}
'

{
  "code": 20000,
  "msg": "<string>",
  "data": {
    "task_id": "<string>",
    "status": "<string>",
    "progress": 123,
    "model": "<string>",
    "created_at": 123,
    "completed_at": 123,
    "cost": 123,
    "error_message": "<string>",
    "result": {
      "image_url": "<string>",
      "video_url": "<string>"
    }
  }
}

Gemini Omni

Veo 3.1

Grok Imagine Video

MiniMax H3

Kling 4.0

Seedance 2.0

Seedance 2.5

Models

Request fields

Example

Authorizations

Body

Response

​Models

​Request fields

​Example

Authorizations

Body

Response

Models

Request fields

Example