{
  "code": "success",
  "message": "",
  "tips": null,
  "data": {
    "task_id": "",
    "file_url": "",
    "status": 4,
    "extraction_result": [
      {
        "field_key": "vat_electronic_special_invoice_new",
        "field_name": "Electronic VAT Special Invoice",
        "object_values": [
          {
            "document_type": "vat_electronic_special_invoice_new",
            "pages": [
              0
            ],
            "extraction_result": [
              {
                "field_key": "fpVerification",
                "field_name": "Verification result",
                "field_values": [
                  {
                    "field_value": "",
                    "confidence": 0
                  }
                ]
              },
              {
                "field_key": "fpVerificationMsg",
                "field_name": "Verification error message",
                "field_values": [
                  {
                    "field_value": "",
                    "confidence": 0
                  }
                ]
              },
              {
                "field_key": "fpIsVoided",
                "field_name": "Voided flag",
                "field_values": [
                  {
                    "field_value": "",
                    "confidence": 0
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  }
}

{
  "detail": [
    {
      "type": "missing",
      "loc": [
        "body",
        "fpNumber"
      ],
      "msg": "Field required",
      "input": {
        "fpDate": "2026-08-25",
        "fpAmount": "100.00"
      }
    }
  ]
}