Upload asset

Import an asset into a specified asset group. URL pulls a public HTTPS resource into the asset library (moderation / transcoding is handled server-side). On success, an AssetId is returned. In Create video, prefer referencing it as asset://{assetId} instead of repeating the public URL.

POST /v1/seedance/asset/CreateAsset

Headers

Name	Type	Required	Description
	string	Yes	Request authentication. Use a Bearer Token, for example:
	string	Yes	Request content type. Must be set to

Request body

Name	Type	Required	Description
	string	Yes	Asset group ID from data.Id returned by Create asset group
	string	Yes	Public HTTPS URL of the asset to import
	string	Yes	Asset type: , ,
	string	Yes	Asset name

Request example

curl -X POST https://octopusx.ai/v1/seedance/asset/CreateAsset \
  -H "Authorization: Bearer <token>" \
  -H "Content-Type: application/json" \
  -d '{
  "GroupId": "group-20260412163933-zwxdc",
  "URL": "https://example.com/source.webp",
  "AssetType": "Image",
  "Name": "child"
}'

Response example

200

{
  "state": 1,
  "data": {
    "Id": "asset-xxx",
    "task_id": "task_xxx"
  },
  "error": null
}

Response fields

Name	Type	Description
	integer	Business status. means success
	string	Asset ID (). Reference as in generation requests
	string	Import task ID for polling via Get asset
	object	Error information. on success

Related endpoints

• Seedance-2 video overview
• Create asset group
• Get asset
• Error codes