The best place to start if you need help with a specific product is to contact the developer. All WHMCS Marketplace developers have both a website and support URL listed.
• Latest API integration • performance enhancement with support to 1000 TPS.
A simplistic, free & open source hook allowing instant Discord notifications when an action is triggered.
MSG91 WHMCS SMS plugin gives you the power and flexibility to stay connected with your customers by sending them an SMS and OTP's for 2FA at the crucial steps that matters the most.
Netgsm Sms addon provides you sending customized bulk sms and creating sms templates.
Whatsapp Notification (Open source WHMCS addon module)
Clients get automatically logged in from mails. Highly Customizable