curl --request GET \
  --url https://api.onswitch.xyz/rates \
  --header 'x-service-key: <api-key>'

{
  "success": true,
  "message": "Rates fetched successfully",
  "timestamp": "2024-01-01T00:00:00.000Z",
  "data": [
    {
      "currency": "NGN",
      "rate": 1381.842
    },
    {
      "currency": "GHS",
      "rate": 15.25
    }
  ]
}