How to Troubleshoot Domain Invoice Generation
How to Troubleshoot Domain Invoice Generation You may encounter a problem in which the system does not generate an invoice for a domain renewal.…
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How to Troubleshoot Payment Issues
How to Troubleshoot Payment Issues Should you have received a payment but do not see it recorded in WHMCS, check the following points. Check…
How to Start Using PayPal Payments
How to Start Using PayPal Payments Payment gateways allow you to accept credit cards, debit cards, and many other payment methods through WHMCS. If…
How to Allow Users to Delete Saved Cards
How to Allow Users to Delete Saved Cards By default, WHMCS allows users to add and update credit and debit card details (their payment…
Troubleshooting PayPal ‘Invoice Not Found’ error with Subscriptions starting with ‘S-‘
Troubleshooting PayPal ‘Invoice Not Found’ error with Subscriptions starting with ‘S-‘ Introduction At the time of this writing (15 November, 2018), we have become…
2Checkout Transactions 30th May – 4th June 2019
2Checkout Transactions 30th May – 4th June 2019 Issue We’ve been made aware of a technical issue at 2Checkout which results in some transactions…
How to Shutdown CCAvenue Old Gateway
How to Shutdown CCAvenue Old Gateway What is Happening? CCAvenue are closing down their legacy API with the endpoint https://www.ccavenue.com/shopzone/cc_details.jsp The more modern M.AR.S…
How to Configure On-Demand Renewals
How to Configure On-Demand Renewals WHMCS 8.8 introduced on-demand renewals for existing services, allowing clients to renew services early, before the system generates the…
How to Configure a Custom Invoice Number Format
How to Configure a Custom Invoice Number Format Each invoice includes a numerical identifier (the invoice number). You can choose to use the system…
How to Create Separate Renewal Invoices for a Client’s Services
How to Create Separate Renewal Invoices for a Client’s Services By default, WHMCS groups service renewal invoices that are due on the same day…