{
  "endpoints": {
    "auth": "/auth (register, login, refresh, me)",
    "nfc": "/nfc (CRUD operations, stats)",
    "nfc_mapping": "/nfc-mapping (map NFC to student data)",
    "tickets": "/tickets (get tickets from DATABASE_URL2)",
    "users": "/users (CRUD operations)"
  },
  "message": "NFC Backend API is running!",
  "version": "2.0"
}