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POST
/
volc
/
asset
/
CreateAsset
cURL
curl https://www.anyfast.ai/volc/asset/CreateAsset \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "volc-asset-audio",
  "GroupId": "group-20260319072926-rrnmg",
  "Name": "background-music",
  "AssetType": "Audio",
  "URL": "https://example.com/audio.mp3"
}'
{
  "Id": "asset-20260320120147-pqwhc"
}

Documentation Index

Fetch the complete documentation index at: https://docs.anyfast.ai/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
Authorization
string
header
required

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

Body

​
GroupId
string
required

Asset group ID.

Example:

"group-20260319072926-rrnmg"

​
AssetType
enum<string>
required

Asset type. Fixed value Audio for audio.

Available options:
Audio
Example:

"Audio"

​
URL
string
required

Audio URL, Data URI, or raw Base64 string (wav/mp3, ≤15 MB).

Example:

"https://example.com/audio.mp3"

​
model
enum<string>

Billing model. Fixed value volc-asset-audio for audio.

Available options:
volc-asset-audio
Example:

"volc-asset-audio"

​
Name
string

Asset name.

Example:

"background-music"

Response

Audio asset created successfully

​
Id
string

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

Example:

"asset-20260320120147-pqwhc"