Update for UK VAT Number Validation post Brexit
If you are a business that transacts with customers in the EU, the following update may be important for you. But first, for those not familiar with VAT, here's a quick recap. What is VAT?VAT...
By Matt
Customizing Your Emails
The first few communications that you have with a new customer are incredibly important: they set the tone for your business relationship and create your customer's first experience of the service...
By Sarah
OAuth for POP3/IMAP: Mail Importing in WHMCS 8.1 and later
One of the awesome features in WHMCS's support system is the ability to reply to and, if enabled, open support tickets through email. Tickets go to the correct department every time, and both WHMCS...
By Sarah
The Costs of Using a Nulled License
"Nulling" software creates a version of the targeted software that doesn't require a license in order to function. We often see WHMCS versions created in this way, and it's important to remember...
By Sarah
Synchronizing Invoice Due Dates
When due dates fall during the month can make a big difference for your business and your customers. It could be due to an external factor, like a third-party vendor needing payment on a certain...
By Sarah
Google Analytics 4 Support in the Google Analytics Addon
Gathering information about how your customers interact with your website and complete their orders is integral to making your business decisions. This practice, called "ecommerce tracking," is a...
By Sarah
WHMCS 8.1 Now Available
We are pleased to announce the release of WHMCS 8.1 to General Availability. This marks the end of pre-production testing, and WHMCS 8.1 is now the recommended version for all new installations and...
By Matt
The CreateSsoToken API in WHMCS 8.1
Reliable and secure authentication is an important part of many third-party integrations with WHMCS. For example, if an application like a website already requires clients to log in to that system,...
By Sarah