curl --request GET \
  --url https://sandbox-api.payfonte.com/billing/v1/wallets \
  --header 'client-id: <api-key>' \
  --header 'client-secret: <api-key>'

{
  "data": [
    {
      "type": "payout",
      "amount": 100000,
      "currency": "USD, NGN, XOF, XAF",
      "country": "US, NG, CI, SN, CA, UK",
      "status": "active"
    }
  ]
}