WHMCS Admin & Customer App

One installable app for clients and staff, straight over WHMCS

In development WHMCS addon module

Latest version: v0.40.0
Price: On request
Requirements: WHMCS 8.0+, PHP 8.0+, HTTPS
Licence and updates: Keen2Support hub

What it does

For customers invoices, tickets, services with usage meters, domains and cPanel
Printable invoices a single-use ten-minute link the browser turns into a PDF
For staff three-pane dashboard, ticket queue with canned replies, client search
Reversible actions suspends and credits can be undone
Security WebAuthn, JWT signing, VAPID and RFC 8291 push encryption in the module
Offline a service worker caches data so the app still opens without a signal
64 documented API routes
White label your own branding, logo, colours and domain

A JSON API and a progressive web app sitting directly on top of WHMCS. Clients get invoices, tickets, services with usage meters, domains and a route into cPanel. Staff get a mobile admin console with a ticket queue, canned replies, client search and reversible actions.

Plain ES2019 with no build step – upload the folder and it runs.