Zenith Bank Payment gateway for Opencart Version 2.0+. This extension is to be used with the diamond Bank Plc Web payment platform.
**PS: Call back url is http://yoursite.com/catalog/controller/payment/globalpay_callback.php
You can use the extension installer in the Opencart 2.X.X.X or copy and paste files to their respective locations.
The link to the a demo site would be made available soon.