The WHMCS Whatsapp notification module for WHMCS is very useful, when you want to get notified via Whatsapp after placing an order. Buyer and seller both can get Whatsapp notification after an order is placed. Whatsapp notification options can be customized in the admin panel very easily.
Send WhatsApp messages
You must upload addon to your WHMCS installation. To do this, upload and unzip the addon files to your installation’s /modules/addons directory.
After you successfully upload the addon files, the addon will appear in the list of addon modules at Configuration (Wrench icon) > System Settings > Addon Modules or, prior to WHMCS 8.0, Setup > Addon Modules. Activate module then select type access control in configure. Now the module is displayed in the addon menu
To send WhatsApp messages, you need a Instance ID & Access Token. WaChat company provides WhatsApp API Gateway. You must buy one of the plans and after connecting your WhatsApp, get the Instance ID & Access Token and put it in the module.