OTP Authn.
Enhancing security and strengthening brand credibility for businesses.
SMS OTP is a verification service that sends a one-time password (OTP) via SMS. It is the most widely used authentication method today, commonly applied in online transactions such as payments, account logins, and other digital activities.
ZNS OTP is a user verification service that sends OTP codes through the Zalo application. With over 100 million users in Vietnam, Zalo provides a reliable platform that makes ZNS OTP more secure and stable compared to traditional SMS OTP methods.
Voice OTP is a user verification service that delivers a one-time password (OTP) via a phone call to the user’s number. This solution is ideal for users who do not use smartphones or lack internet access, ensuring everyone can verify their identity easily and securely.
