{
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  "id": "task-unified-1757169743-7cvnl5zw",
  "model": "kling-v4-text-to-video",
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  "progress": 0,
  "status": "pending",
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    "video_duration": 5
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  "usage": {
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    "credits_reserved": 53.38,
    "user_group": "default"
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}

{
  "error": {
    "code": "invalid_request",
    "message": "Invalid request parameters",
    "type": "invalid_request_error"
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}

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

{
  "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: kling-v4-text-to-video",
    "type": "invalid_request_error"
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}

{
  "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"
  }
}