Here are reliable WhatsApp Notification addons/modules you can use with WHMCS — helping you send automated WhatsApp messages for invoices, support tickets, order status, reminders, 2FA, and more. Client login, registration, password change, invoice alerts, service status notifications, bulk messaging, logs, templates. Good for: Businesses wanting customizable and structured notification management. Good for: Developers or shops who want a free/open-source solution and are comfortable customizing.
