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

{
  "data": [
    {
      "name": "<string>",
      "uid": "<string>",
      "slug": "<string>",
      "organizationId": "<string>",
      "source": "ticket",
      "fieldType": "single_line",
      "options": [
        "<string>"
      ],
      "metadata": {},
      "createdAt": "2023-11-07T05:31:56Z",
      "updatedAt": "2023-11-07T05:31:56Z",
      "isActive": true,
      "teamId": "<string>",
      "autoAddToAllForms": true,
      "hintText": "<string>",
      "placeholderText": "<string>",
      "mandatoryOnCreation": true,
      "mandatoryOnClose": true,
      "visibleToCustomer": true,
      "editableByCustomer": true,
      "defaultValue": "<string>"
    }
  ],
  "status": true,
  "message": "<string>",
  "timestamp": "2023-11-07T05:31:56Z"
}