curl --request GET \
  --url https://api.dancity.app/api/v1/esim/topup-packages \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "message": "eSIM topup packages fetched successfully",
  "data": {
    "packages": [
      {
        "packageCode": "NG-500MB-7D-TOP",
        "name": "Nigeria 500MB Top-Up",
        "description": "Add 500MB valid for 7 days",
        "price": 0.62,
        "currency": "USD",
        "volume": 524288000,
        "duration": 7,
        "type": "TOPUP",
        "regionCode": "NG",
        "priceInNaira": 1005
      }
    ],
    "exchangeRate": 1620
  }
}