curl --request GET \
  --url https://platform.thena.ai/v1/custom-field/thena-restricted-fields \
  --header 'x-api-key: <api-key>'

{
  "data": [
    {
      "id": "trf_01jb4xm9qr3kv5w8n2p7s9t1",
      "name": "Requestor",
      "fieldType": "rich_text",
      "description": "The person who requested the ticket"
    },
    {
      "id": "trf_01jb4xm9qr3kv5w8n2p7s9t2",
      "name": "Assignee",
      "fieldType": "lookup",
      "description": "The person assigned to handle the ticket"
    },
    {
      "id": "trf_01jb4xm9qr3kv5w8n2p7s9t3",
      "name": "Status",
      "fieldType": "single_select",
      "description": "The current status of the ticket"
    }
  ],
  "status": true,
  "message": "Thena restricted fields fetched successfully!",
  "timestamp": "2024-01-15T10:30:00Z"
}