curl --request GET \
  --url https://www.chatbase.co/api/v1/chatbots/{chatbotId}/custom-attributes \
  --header 'Authorization: Bearer <token>'

{
  "message": "Success",
  "data": [
    {
      "name": "department",
      "label": "Department",
      "type": "text",
      "description": "Employee department",
      "archived": false
    }
  ]
}