curl --request POST \
  --url https://docflow.textin.com/api/app-api/sip/platform/v2/category/fields/batch_add \
  --header 'Content-Type: application/json' \
  --header 'x-ti-app-id: <api-key>' \
  --header 'x-ti-secret-code: <api-key>' \
  --data '
{
  "workspace_id": "1234567890",
  "category_id": "1234567890",
  "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"
        }
      }
    }
  ],
  "table_id": "<string>",
  "with_detail": true
}
'

{
  "code": 200,
  "msg": "<string>",
  "result": [
    {
      "field_id": "<string>",
      "name": "<string>",
      "description": "<string>",
      "prompt": "<string>",
      "use_prompt": true,
      "alias": [
        "<string>"
      ],
      "identity": "<string>",
      "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"
        }
      },
      "extract_model": "<string>",
      "enabled": 123
    }
  ]
}