GoCardless

Setup

To activate the GoCardless module in WHMCS, navigate to Setup > Payments > Payment Gateways and choose GoCardless from the Available Gateways dropdown.

Once activated, you can then customise the name to something more friendly such as "Direct Debit" and enter the configuration details.

Configuration

Within your GoCardless account navigate to the Developers tab and configure the following settings:

Redirect URI

http://path/to/whmcs/modules/gateways/gocardless/redirect.php

Web hooks URI

http://path/to/whmcs/modules/gateways/gocardless/callback.php

Replacing /path/to/whmcs with the location of your WHMCS installation. The Cancel URI setting can be left blank.

Error Messages

Client is invalid

This means that you only have a sandbox account, a live account is required for use with this module. The live account signup link can be found on the payment gateways page within WHMCS.