{
  "created": 1775200000,
  "id": "task-unified-1775200000-xyz12345",
  "model": "videoretalk",
  "object": "video.generation.task",
  "progress": 0,
  "status": "pending",
  "task_info": {
    "can_cancel": false,
    "estimated_time": 90,
    "video_duration": 0
  },
  "type": "video",
  "usage": {
    "billing_rule": "per_second",
    "credits_reserved": 480,
    "user_group": "default"
  }
}

{
  "error": {
    "code": "missing_required_params",
    "message": "Missing required parameter: video_url or audio_url",
    "type": "invalid_request_error"
  }
}

{
  "error": {
    "code": "unauthorized",
    "message": "Invalid or expired token",
    "type": "authentication_error"
  }
}

{
  "error": {
    "code": "insufficient_quota",
    "message": "Insufficient quota. Please top up your account.",
    "type": "insufficient_quota"
  }
}

{
  "error": {
    "code": "model_access_denied",
    "message": "Token does not have access to model: videoretalk",
    "type": "invalid_request_error"
  }
}

{
  "error": {
    "code": "rate_limit_exceeded",
    "message": "Too many requests, please try again later",
    "type": "rate_limit_error"
  }
}

{
  "error": {
    "code": "internal_error",
    "message": "Internal server error",
    "type": "api_error"
  }
}