Providing One Time Passwords via Voice Calls with Twilio and Laravel
One time passwords (OTP’s) provide an extra security layer for applications, and in this tutorial we will set up a system to provide one time passwords to users via voice calls powered by Twilio’s amazing programmable voice SDK and Laravel.
After you’re finished you will have developed an OTP system that can serve as an extra security layer for various actions in your application. The OTP could be used for authentication, purchase actions or whatever actions you consider worthy of an extra layer of authorisation in your application.
For this tutorial, we’ll assume the following: