Security

December 29, 2025

OTP, TOTP, and HOTP: What’s the Difference?

Learn the difference between OTP, TOTP, and HOTP, how each method works, and when SMS, WhatsApp, or authenticator-based OTP is used in modern MFA.Continue reading OTP, TOTP, and HOTP: What’s the Difference?

December 26, 2025

Why OTP Codes Fail and How to Fix Every OTP Error

Learn why OTP errors happen and how to fix delivery failures fast. Explore common causes—routing, filters, templates, and more—with practical solutions.Continue reading Why OTP Codes Fail and How to Fix Every OTP Error

May 12, 2022

93% of enterprises worldwide use SMS OTP for verification

The Mobile Ecosystem Forum has released a short report on the adoption of SMS OTP (One Time Password) by enterprises. And contrary to the ongoing criticism of the security issues of SMS, it seems most businesses are using it for verification. The report is filled with interesting insights. It shows the market is balancing the…Continue reading 93% of enterprises worldwide use SMS OTP for verification

December 3, 2021

Is SMS OTP secure?

1 Is SMS One Time Password (OTP) secure? While explaining our GetOTP: Multi OTP API product to anyone who is willing to listen, this is a question that we have been asked time and time again. "So, is it or is it not secure?" you ask. Before we answer that… Let us go through some…Continue reading Is SMS OTP secure?

December 2, 2025

What Is OTP Verification and Why Is It Crucial for Your Business?

Learn what OTP verification is, how it works, and why it’s vital for secure logins, transactions, and customer trust in your business.Continue reading What Is OTP Verification and Why Is It Crucial for Your Business?