curl --request GET \
  --url https://api.example.com/transfers/supported-countries

{
  "success": true,
  "message": "Operation Successful",
  "data": [
    {
      "name": "Nigeria",
      "code": "NGA",
      "currency_code": "NGN",
      "channels": [
        "bank"
      ]
    }
  ],
  "meta": {
    "timestamp": "2026-03-19T19:26:19.577Z"
  }
}