curl --request GET \
  --url https://api.zetmoney.co/v1/onramp/banks \
  --header 'x-api-key: <api-key>'

{
  "success": true,
  "data": [
    {
      "bankCode": "044",
      "bankName": "Access Bank",
      "nibssCode": "000014"
    }
  ]
}