.png)
There are majorly three different types of OTP messages
Voice Message - These OTP are delivered through an automated Phone call. When a user chooses to receive OTP through a voice message
Push Notifications - These are also a secure way for verification and do not require users to enter code manually, these are mostly used on social media platform for performing digital activities
SMS Messages - A very common and widely used way of receiving OTP for Verification. In this you receive OTP via SMS on your phone and you need to type them manually.
OTP (One-Time Password) texts come in various forms, including SMS OTPs sent to a user’s phone, WhatsApp OTPs for global reach, and app-based OTPs via authenticator apps like Google Authenticator for enhanced security. SMS OTPs are common but vulnerable to interception, while app-based options reduce risks like SIM swapping. A text blast service can efficiently deliver SMS OTPs to large audiences, ensuring quick verification. Compliance with opt-in regulations is crucial when using text blasts for OTPs.