curl --request POST \
  --url https://api.modellix.ai/api/v1/bytedance/seedance-2.0-fast-v2v/async \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "<string>",
  "image": [
    {
      "url": "https://example.com/image.jpg",
      "role": "first_frame"
    }
  ],
  "video": [
    {
      "url": "https://example.com/ref.mp4",
      "role": "reference_video"
    }
  ],
  "audio": [
    {
      "url": "https://example.com/track.mp3",
      "role": "reference_audio"
    }
  ]
}
'

{
  "code": 0,
  "message": "success",
  "data": {
    "status": "pending",
    "task_id": "task-abc123",
    "model_id": "model-123",
    "get_result": {
      "method": "GET",
      "url": "https://api.modellix.ai/api/v1/tasks/task-abc123"
    }
  }
}