We provide Web API Clients in different languages to allow you to easily check and validate Yubico One-Time Passwords. Please note: Third-Party clients are not written by Yubico.
A PHP class allows you to easily check Yubico OTP’s from your PHP web site.
Yubico C client library is a shared library written in C that performs online Yubico OTP validation.
Integrate Yubico OTP verification into your Java code.
This library contains a C# implementation of Yubico OTP verification.
An AnyEvent based Perl extension for validating Yubico OTPs.