OneInvoice not issuing Invoice numbers

Last month, we announced full support for WHMCS 8.10 and PHP 8.1 for Billing Extension. We are now extending the same level of compatibility to Commission Manager and Mercury, which are celebrating their 9th and 6th anniversaries, respectively. Note: WHMCS 8.11 has recently been released, introducing support for PHP 8.2. This does not alter our pl...

We are finalizing a major update to Billing Extension, which will celebrate its 10th anniversary in September, and it will introduce several new features: WHMCS 8.10 Support: the module will be compatible with WHMCS 8.10 while maintaining backward compatibility with versions 5, 6, and 7. No migration or feature compromise will be required PHP S...

We will be conducting a price change for Billing Extension that will affect 9% of customers that are still paying the old price that years ago was increased from 95 to 149 euro / year. It was 2014 when we sold the first license key and since then we've never adjusted prices for existing customers. Over the years Billing Extension has never stopped...

Last week we launched a new integration between Billing Extension and Commission Manager. Now you can seamlessly issue Credit Notes in line with Australian Taxation System. The integration includes ABN Lookup and supports RCTI, Statement by Supplier and 47% Withholding. Billing Extension, in short It includes our billing experience acquired throu...