OTP code arriving by SMS on a smartphone, with a six-digit code entry screen and a feature phone showing a text message code

What Is an OTP Code? How One-Time Passwords Work

OTPs, Developer Guides /

What is an OTP? Learn how one-time passwords work, the types (SMS, TOTP, HOTP), why they matter for security, and how to deliver OTPs reliably in Africa.

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