Seedance Asset — Create Image Asset

Upload an image to an existing asset group. The returned Asset ID can be referenced as asset://<ID> in Seedance 2.0 requests for character reference, first frame, and similar scenarios.

POST /volc/asset/CreateAsset

cURL

cURL

curl https://www.anyfast.ai/volc/asset/CreateAsset \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "volc-asset",
  "GroupId": "group-20260319072926-rrnmg",
  "Name": "character-reference",
  "AssetType": "Image",
  "URL": "https://example.com/image.jpg"
}'

200

{
  "Id": "asset-20260320120147-pqwhc"
}

Authorizations

Authorization · string · header · required

Bearer token authentication. Format Bearer <token> where <token> is your API Key.

Body

application/jsonmultipart/form-data

GroupId · string · required

Asset group ID.

Example:

"group-20260319072926-rrnmg"

AssetType · enum<string> · required

Asset type. Fixed value Image for images.

Available options: Image

Example:

"Image"

URL · string · required

Image URL, Data URI, or raw Base64 string.

Example:

"https://example.com/image.jpg"

model · enum<string>

Billing model. Fixed value volc-asset for images.

Available options: volc-asset

Example:

"volc-asset"

Name · string

Asset name.

Example:

"character-reference"

Response

200

application/json

Image asset created successfully

Id · string

Asset ID. Use as asset://<ID> in Seedance 2.0 requests.

Example:

"asset-20260320120147-pqwhc"