curl --request GET \
  --url https://api.orbital-systems.com/client/groups \
  --header 'x-api-key: <api-key>'

{
  "Count": 123,
  "Items": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "type": "<string>",
      "parent_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "created_at": "<string>",
      "updated_at": "<string>"
    }
  ]
}