Payment Gateways
From WHMCS Documentation
The following is a list of the payment gateways that are supported.
Merchant Gateways
- Payflow Pro
 - Authorize.net
 - BluePay
 - Quantum Gateway
 - eWay
 - eProcessingNetwork
 - LinkPoint
 - SecPay
 - ProtX
 - ProtX VPS Form
 - PSIGate
 - WorldPay Invisible
 - NaviGate
 - Merchant Partners
 - Offline Credit Card
 
Third Party Gateways
- PayPal
 - ChronoPay
 - 2CheckOut
 - Google CheckOut
 - WorldPay
 - E-Gold
 - CyberBit
 - F2B
 - NoChex
 - AlertPay
 - Paymex
 - CashU
 - StormPay
 - Paymate AU & NZ
 - Payson
 - BRPay
 - Boleto
 - MoneyBookers
 - PayOffline (UK Only)
 - Mail In Payment
 - Bank Transfer