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Keygen is a powerful software licensing API for desktop apps, on-premise software and other software products written in C++, C#, Swift, Java, Kotlin, Node and more.

Let your team focus on product, not in-house licensing and distribution.

Easily add license key validation, entitlements, and device activation to your business's desktop apps, server applications, on-premise software, and other products using our software licensing API.
Developer time is expensive
Trusted by hundreds of software businesses all over the world
Bring your own programming language
A better answer to Build vs. Buy
We handle licensing for all kinds of software products
Ready to get started?

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