curl --request GET \
  --url https://api.app.hrizn.io/v1/public/site/categories \
  --header 'X-API-Key: <api-key>'

{
  "data": {
    "categories": [
      {
        "id": "<string>",
        "name": "<string>",
        "article_count": 123
      }
    ]
  }
}