Send OTP on WhatsApp and Telegram 2021

OTPs are essential to verify transactions and logins. In Authgear, you can send OTPs with the messenger services they are familiar with.

 min. read
Published on
November 11, 2021

Almost all smartphone users use some kind of instant messaging platform to communicate with their friends and family. WhatsApp and Telegram are two of the popular choices among them. More than 2 billions users communicate on WhatsApp actively and Telegram is used by hundreds of millions of users.

OTPs are ubiquitous security measure adopted by many systems to verify transactions and logins. Most of them use SMS to send OTPs. However SMS-based OTP is vulnerable to different attacks.

Moreover, SMS are not cheap to sent. Businesses used SMS API solutions like Twilio to implement SMS OTPs. The cost can be expensive and becomes a financial burden depending on the serviced country.

In Authgear, you can build a secure authentication and login system with OTP based on the favorite messaging platform your users love. Two-way communication channel is established on WhatsApp and Telegram once the phone number is verified and the secure OTP is sent.

Benefits of using WhatsApp and Telegram based OTP

  • More secure, messages are end-to-end encrypted on these platforms
  • Integrate Chatbots to these accounts
  • Cheaper cost per message

To get started, you can contact us here