The Bulk Pricing Updater applies system-wide price changes to clients' services and domains using your own unique criteria.
Custom fields collect additional information from or about your clients. You can set them as admin-only or make them visible to clients.
Data feeds offer a dynamic way to extract data from WHMCS for use on the pages of your website.
How to troubleshoot and resolve `Call to a member function` errors.
How to troubleshoot and resolve product configuration and client service issues.
Promotions add discounts to your items for sale. You can configure many types of discount, set up free trials, and create promotion codes.
Troubleshoot and resolve cross-selling recommendations that are not displaying properly.