curl --request POST \
  --url 'https://api.flashcat.cloud/field/list?app_key=' \
  --header 'Content-Type: application/json' \
  --data '
{
  "orderby": "updated_at",
  "asc": false,
  "query": "severity"
}
'

{
  "request_id": "01HK8XQE3Z7JM2NTFQ5YJ8P9R4",
  "data": {
    "items": [
      {
        "account_id": 80001,
        "field_id": "66e9d3a4f7c2b04a1c8a91b3",
        "field_name": "severity_class",
        "display_name": "Severity Class",
        "description": "Business severity tier.",
        "field_type": "single_select",
        "value_type": "string",
        "options": [
          "Critical",
          "High",
          "Medium",
          "Low"
        ],
        "default_value": "Medium",
        "status": "enabled",
        "creator_id": 80011,
        "updated_by": 80011,
        "created_at": 1710000000,
        "updated_at": 1710000000
      }
    ]
  }
}