curl --request GET \
  --url https://api.rankspot.ai/v1/categories \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "total": 100,
    "offset": 0,
    "limit": 100,
    "count": 10,
    "items": [
      {
        "id": "clx...",
        "name": "SEO",
        "color": "violet",
        "createdAt": "2023-11-07T05:31:56Z",
        "updatedAt": "2023-11-07T05:31:56Z"
      }
    ]
  }
}