curl --request GET \
  --url https://api.exec.com/rest/v1/collections \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "r1a2b3c4d5e6",
      "name": "Procurement Scenarios",
      "slug": "procurement-scenarios",
      "description": "Practice scenarios for procurement conversations.",
      "scenario_count": 4,
      "created_at": "2026-01-10T09:00:00Z"
    }
  ],
  "pagination": {
    "page": 1,
    "page_size": 50,
    "total_count": 1,
    "total_pages": 1
  }
}