Codecanyon-zender-whmcs-plugin-for-sms-and-what... Official
Before exploring the plugin, let's address the "why." WHMCS sends automated emails for invoices, service suspension notices, account activation, and support tickets. However, email open rates are declining (average ~20-25%), while , and WhatsApp read rates exceed 99% within minutes.
Zender includes hooks for developers to extend functionality or integrate with custom WHMCS modules.
Send notifications in the client's preferred language, making it ideal for international businesses. How it Works codecanyon-zender-whmcs-plugin-for-sms-and-what...
Let’s break down the features that make Zender a top seller on CodeCanyon.
is a premium WHMCS addon module sold on CodeCanyon (one of the most trusted marketplaces for PHP scripts and plugins). It acts as a unified communication gateway that allows hosting administrators to send: Before exploring the plugin, let's address the "why
One of the most impressive technical features is "Gateway Failover." If your primary SMS gateway fails to deliver a message (due to downtime or API errors), Zender can automatically route the message through a secondary gateway configured in the system. This redundancy ensures that critical notifications never fall through the cracks.
Unlike basic SMS plugins that only support one or two gateways, Zender supports (Twilio, Vonage, Clickatell, etc.) and the official WhatsApp Business API (not the unverified personal WhatsApp Web bot). It acts as a unified communication gateway that
In the modern web hosting and domain management landscape, the battle for customer retention is won or lost through communication. For web hosts, ISP managers, and domain registrars running on WHMCS, the out-of-the-box notification system—while functional—often leaves much to be desired. Standard email notifications are frequently ignored, relegated to spam folders, or simply delayed.
Go to and customize the content for each WHMCS event. Example template for “Invoice Overdue”:
Ensure validity before sending messages: