WHMCS recommends several options to help you stop spam orders, and includes support for reCAPTCHA, banning email domains, and more.
Product bundles let you set up links to automatically add multiple products to the cart, with discounts for purchasing them together.
Validation.com discontinued their services on 2023-04-09. As a result, WHMCS features that relate to Validation.com no longer function.
Troubleshoot and resolve Order xxxxxxx is not a pending, declined or cancelled order and cannot be processed errors while using OpenSRS for domain registrations.
Promotions add discounts to your items for sale. You can configure many types of discount, set up free trials, and create promotion codes.