#WHMCS Pushover
This WHMCS module will send your push notifications for client signups, invoice payments, new tickets and ticket replies.
To install upload the files to: {WHMCS}/modules/addons/whmcspushover
Then in the WHMCS admin area, go to (Setup > Addon Modules). Look for "WHMCS Pushover" and activate it.
Generate a "Pushover Application Token" at https://pushover.net/apps/build.
After installation, each admin user will have to activate Pushover by visiting (Addons > WHMCS Pushover) and inputting their User Key from their Pushover account.