Authkey

Authkey.io is a versatile and comprehensive one API platform for SMS, voice, and email communications that keeps businesses connected with clients or end-users. The software enables companies to send notifications, OTPs, newsletters, order confirmation messages, timely offers, shipment tracking updates and more via multiple communication channels such as SMS, voice and email. Authkey's parallel sending feature permits simultaneous sends from the same source but with different purposes; minimizing the time it takes to reach out to all users by optimizing message distribution using multiple channels.