Archive
How to Troubleshoot Domain Invoice Generation You may encounter a problem in which the system does not generate an invoice for a domain renewal. This is generally due to one of several common causes.… Read More
How to Troubleshoot Payment Issues Should you have received a payment but do not see it recorded in WHMCS, check the following points. Check the Callback Settings The first thing to check are the… Read More
How to Start Using PayPal Payments Payment gateways allow you to accept credit cards, debit cards, and many other payment methods through WHMCS. If you want to accept payments from your customers, you need… Read More
How to Allow Users to Delete Saved Cards By default, WHMCS allows users to add and update credit and debit card details (their payment methods or Pay Methods) from within the Client Area. You can… Read More
Troubleshooting PayPal 'Invoice Not Found' error with Subscriptions starting with 'S-' Introduction At the time of this writing (15 November, 2018), we have become aware of a change to legacy-styled PayPal Subscriptions (IDs starting… Read More
2Checkout Transactions 30th May - 4th June 2019 Issue We've been made aware of a technical issue at 2Checkout which results in some transactions being recorded for much large amounts than actually paid: We… Read More