Seedance Create Asset API

Create an image, video, or audio asset in a group. The asset URL must be publicly reachable.

Create one asset in an asset group. assetUrl must be a publicly reachable HTTP or HTTPS address; the server downloads the file from it. The asset can be an image, video, or audio file. Each user can own up to 10,000 assets. Each request creates one asset; call this endpoint once per asset when creating several.

Base URL

https://api.autorouter.top — Production

Authentication

BearerAuth: http (bearer) Authenticate using a Bearer Token. Format: Authorization: Bearer sk-xxxxxx

Endpoints

POST `/seedance/v1/asset`

Create Asset

Create one asset. On success, body is the asset ID.

Request Body

Content-Type: application/json

Example:

{
  "groupId": "volcano-group-xxx",
  "assetName": "产品介绍视频",
  "assetUrl": "https://example.com/test.mp4",
  "assetType": "Video"
}

Properties:

Name	Type	Required	Description
`groupId`	string	Yes	Asset group ID (Volcano asset group ID)
`assetName`	string	Yes	Asset name, up to 64 characters
`assetUrl`	string	Yes	Asset URL. Must be a publicly reachable HTTP or HTTPS address
`assetType`	string	Yes	Asset type: `Image`, `Video`, or `Audio`

groupIdstring(Required)

Asset group ID (Volcano asset group ID)

assetNamestring(Required)

Asset name, up to 64 characters

Example: 产品介绍视频

assetUrlstring(Required)

Asset URL. Must be a publicly reachable HTTP or HTTPS address

The server downloads the file from this URL. The link must be reachable from the public internet at request time.

assetTypestring(Required)

Asset type: Image, Video, or Audio

Image: Image
Video: Video
Audio: Audio

Responses

200: Success

Content-Type: application/json

Request examples

curl -X POST "https://api.autorouter.top/seedance/v1/asset" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-xxxxxx" \
  -d '{
  "groupId": "volcano-group-xxx",
  "assetName": "产品介绍视频",
  "assetUrl": "https://example.com/test.mp4",
  "assetType": "Video"
}'

Response examples

{
  "requestId": "1803ae665a704fbd90d20b3d50085033",
  "state": "OK",
  "errorCode": "",
  "errorMessage": "",
  "body": "asset-id"
}

Response fields:

Name	Type	Description
`requestId`	string	Request ID
`state`	string	Call status. `OK` means success, `ERROR` means failure
`errorCode`	string	Error code. Empty string or `null` on success
`errorMessage`	string	Error message. Empty string or `null` on success
`body`	string	ID of the created asset

statestring

Call status. OK means success, ERROR means failure

OK: Success
ERROR: Failure. Check errorCode and errorMessage

bodystring

ID of the created asset

Error handling

When the HTTP status is 200, still check state in the response body.

`state`	Description
`OK`	The call succeeded. Business data is in `body`
`ERROR`	The call failed. `errorCode` is the error code and `errorMessage` is the error message

On success, errorCode and errorMessage may be an empty string or null.