The CCAvenue API v2 payment gateway module is available in WHMCS.
The legacy CCAvenue module is available for accounts that use CC Avenue's older system.
ChronoPay was available through WHMCS 8.6.
The Direct Debit module allows you to collect client bank details for processing at your bank.
The E-Gold payment gateway module is available in WHMCS.
The E-Path payment gateway module is available in WHMCS.
eProcessingNetwork is a credit card merchant gateway that uses the Authorize.net SIM Emulator integration.