Real Person Avatar Assets

• Real person avatar asset API — complete three operations via a single endpoint
• Step 1: Create a real-person identity verification H5 session to obtain h5_link and byted_token
• Step 2: After the user completes H5 verification, query the result to get the asset group group_id
• Step 3: Batch submit real-person assets to group_id for review

POST /v1/seedance2/real-avatar

cURL (Step 1: Create verification session)

curl --request POST \
  --url https://api.apimart.ai/v1/seedance2/real-avatar \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "callback_url": "https://example.com/callback",
    "project_name": "default"
  }'

200 (Step 1: Create verification session)

{
  "code": 200,
  "data": {
    "id": "task_01K...",
    "status": "completed"
  }
}

cURL (Step 1: Create verification session)

curl --request POST \
  --url https://api.apimart.ai/v1/seedance2/real-avatar \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "callback_url": "https://example.com/callback",
    "project_name": "default"
  }'

200 (Step 1: Create verification session)

{
  "code": 200,
  "data": {
    "id": "task_01K...",
    "status": "completed"
  }
}

Authentication

Authorization · string · required

All requests require Bearer Token authentication

Get your API Key:

Visit the API Key Management page to obtain your API Key

Add the following header to each request:

Authorization: Bearer YOUR_API_KEY

Request Parameters

Step 1: Create Real-Person Verification Session

callback_url · string · required

Callback URL after verification is complete

The system sends a callback notification to this address once the user completes H5 verification

project_name · string · default: "default"

Project name

Default: default

Response

code · integer

Response status code, 200 on success

data · object

Task information

Show Fields

id · string

Local task ID, used to query the H5 link and byted_token

status · string

Task status, initially completed (session created successfully)

Query the task to obtain the H5 verification link:

GET /v1/tasks/task_01K...

{
  "code": 200,
  "data": {
    "id": "task_01K...",
    "status": "completed",
    "result": {
      "byted_token": "token_xxx",
      "h5_link": "https://...",
      "raw_response": {}
    }
  }
}

---

Step 2: Query Real-Person Verification Result

byted_token · string · required

Authentication token obtained from the Step 1 task result

After the user completes H5 verification, query the task via GET /v1/tasks/{id} to get byted_token, then use it here to retrieve the verification result and real-person asset group GroupId

project_name · string · default: "default"

Project name

Default: default

---

Step 3: Batch Submit Real-Person Assets

group_id · string · required

Real-person asset group ID

The GroupId obtained from the Step 2 verification result

project_name · string · default: "default"

Project name

Default: default

asset_type · string · default: "Video"

Asset type

Options:

• Video - Video asset (default, recommended for real-person portraits)
• Image - Image asset

Default: Video

assets · array · required

Asset list, supports submitting multiple assets in one request

Show Fields

url · string · required

Asset URL — must be publicly accessible

name · string · required

Asset name

Example:

{
  "assets": [
    {
      "url": "https://example.com/avatar-a.png",
      "name": "avatar-a"
    },
    {
      "url": "https://example.com/avatar-b.png",
      "name": "avatar-b"
    }
  ]
}

Response

code · integer

Response status code, 200 on success

data · object

Asset review task information

Show Fields

id · string

Local task ID, used to query asset review status

object · string

Task object type, always seedance.avatar.asset.task

status · string

Initial task status, processing after submission

progress · integer

Task progress (0 ~ 100)

model · string

Model name in use

Query Review Result

Asset submission is an asynchronous task. Use the Get Task Status endpoint to poll:

All Approved

{
  "code": 200,
  "data": {
    "id": "task_01K...",
    "status": "completed",
    "progress": 100,
    "result": {
      "assets": [
        {
          "asset_id": "asset_a",
          "asset_url": "asset://asset_a",
          "status": "Active"
        },
        {
          "asset_id": "asset_b",
          "asset_url": "asset://asset_b",
          "status": "Active"
        }
      ],
      "usable_assets": [
        {
          "asset_id": "asset_a",
          "asset_url": "asset://asset_a",
          "status": "Active"
        },
        {
          "asset_id": "asset_b",
          "asset_url": "asset://asset_b",
          "status": "Active"
        }
      ],
      "failed_assets": []
    }
  }
}

Partial Failure

{
  "code": 200,
  "data": {
    "id": "task_01K...",
    "status": "failed",
    "progress": 100,
    "result": {
      "assets": [
        {
          "asset_id": "asset_a",
          "asset_url": "asset://asset_a",
          "status": "Active"
        },
        {
          "asset_id": "asset_b",
          "asset_url": "asset://asset_b",
          "status": "Failed"
        }
      ],
      "usable_assets": [
        {
          "asset_id": "asset_a",
          "asset_url": "asset://asset_a",
          "status": "Active"
        }
      ],
      "failed_assets": [
        {
          "asset_id": "asset_b",
          "asset_url": "asset://asset_b",
          "status": "Failed"
        }
      ]
    },
    "error": {
      "code": "task_failed",
      "message": "Some assets failed review"
    }
  }
}

• result.usable_assets[].asset_url can be used directly in Seedance 2.0 video generation
• Assets in result.failed_assets must be replaced or resubmitted

Using Approved Assets

Pass the asset://... URL directly to the Seedance 2.0 Video Generation endpoint:

{
  "model": "doubao-seedance-2.0-face",
  "prompt": "Generate a video using the reference portrait",
  "image_with_roles": [
    {
      "url": "asset://asset_a",
      "role": "reference_image"
    }
  ]
}

• Real-person avatar assets are recommended for use with doubao-seedance-2.0-face or doubao-seedance-2.0-fast-face models
• Once the server detects the asset:// prefix, it submits the generation task directly without triggering another asset review