Using one-time passcodes (otps) via sms is a popular form of phone verification and two-factor authentication (2fa) , but in some countries like brazil, germany, or india, singapore mobile number list messaging apps like whatsapp are more popular than sms. That’s why we added support for whatsapp in our verify api . Since whatsapp performs its own phone number verification during signup, it’s possible to use whatsapp verification to directly replace sms verification.
Better yet, by using whatsapp via the verify api, you don’t need a separate whatsapp business account. In this blog post, you will learn how to quickly deploy an otp dashboard, as well as how to start sending and confirming whatsapp verification messages. Prerequisites for sending one-time passwords before you can send an otp, you will need the following: a twilio account for sending whatsapp messages a verify service that you can create in the twilio console .