curl --request GET \
  --url https://docflow.textin.com/api/app-api/sip/platform/v2/category/fields/list \
  --header 'x-ti-app-id: <api-key>' \
  --header 'x-ti-secret-code: <api-key>'

{
  "code": 200,
  "msg": "<string>",
  "result": {
    "fields": [
      {
        "name": "Invoice Code",
        "description": "Invoice code description",
        "prompt": "<string>",
        "use_prompt": true,
        "alias": [
          "Invoice No.",
          "Bill Number"
        ],
        "identity": "invoice_number",
        "multi_value": true,
        "duplicate_value_distinct": true,
        "transform_settings": {
          "datetime_settings": {
            "format": "yyyy-MM-dd"
          },
          "enumerate_settings": {
            "items": [
              "VAT Special Invoice",
              "VAT General Invoice",
              "Electronic Invoice"
            ]
          },
          "regex_settings": {
            "match": "^(\\d{4})-(\\d{2})-(\\d{2})$",
            "replace": "$1/$2/$3"
          },
          "mismatch_action": {
            "default_value": "N/A"
          }
        },
        "id": "1234567890",
        "extract_model": "Model 1"
      }
    ],
    "tables": [
      {
        "id": "1234567890",
        "name": "Table 1",
        "description": "Table description",
        "prompt": "Extract item name, quantity and amount from each row",
        "collect_from_multi_table": true,
        "extract_model": "Model 1",
        "fields": [
          {
            "name": "Invoice Code",
            "description": "Invoice code description",
            "prompt": "<string>",
            "use_prompt": true,
            "alias": [
              "Invoice No.",
              "Bill Number"
            ],
            "identity": "invoice_number",
            "multi_value": true,
            "duplicate_value_distinct": true,
            "transform_settings": {
              "datetime_settings": {
                "format": "yyyy-MM-dd"
              },
              "enumerate_settings": {
                "items": [
                  "VAT Special Invoice",
                  "VAT General Invoice",
                  "Electronic Invoice"
                ]
              },
              "regex_settings": {
                "match": "^(\\d{4})-(\\d{2})-(\\d{2})$",
                "replace": "$1/$2/$3"
              },
              "mismatch_action": {
                "default_value": "N/A"
              }
            },
            "id": "1234567890",
            "extract_model": "Model 1"
          }
        ]
      }
    ]
  }
}