curl --request GET \
  --url https://api.ctrl-hub.com/v3/skills-register-scheme-categories \
  --header 'X-Session-Token: <api-key>'

{
  "data": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "type": "<string>",
      "attributes": {
        "name": "<string>",
        "renewal_frequency": 2,
        "high_risk_duration": 2,
        "medium_risk_duration": 2,
        "low_risk_duration": 2
      },
      "relationships": {
        "skills_register_scheme": {
          "data": {
            "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
            "type": "<string>"
          }
        }
      }
    }
  ],
  "meta": {
    "pagination": {
      "counts": {
        "pages": 123,
        "resources": 123
      },
      "current_page": 123,
      "offsets": {
        "next": 123,
        "previous": 123
      },
      "requested": {
        "limit": 123,
        "offset": 123
      }
    },
    "features": {
      "include": {
        "options": [
          "<string>"
        ]
      }
    }
  },
  "jsonapi": {
    "version": "<string>"
  }
}