Keygen
A dead-simple software licensing API built for developers
Keygen launched on November 4, 2016 with 252 votes, #111 of 3,636 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 9 years on.
In plain words
Keygen is a software licensing API designed for developers who need to manage software distribution and licensing. The platform provides a suite of APIs that handle licensing functionality, allowing developers to integrate licensing capabilities into their applications. It targets technical users building software products that require licensing mechanisms.
written from the facts on this page · September 2026
From the sources
Keygen is a suite of developer APIs for software licensing and distribution.
Keygen is a powerful software licensing API for desktop apps, on-premise software and other software products written in Go, Rust, JS, C/C++, C#, Swift, Java, Kotlin and more.
Keygen is a Fair Source software licensing and distribution API , built for developers, by developers. Self-host or try Keygen Cloud today. We've designed Keygen 's software licensing and distribution API to be easy to use for developers of all skill sets. Use our official SDKs or grab your favorite HTTP client. Keygen was born in the cloud. Cloud is in our team's DNA. With Keygen Cloud , we'll handle all the hard stuff while your team focuses on product, not critical infrastructure. Let your team focus on product, not in-house licensing and distribution. Save time by using Keygen Cloud as a ready-to-go licensing solution. Skip the expensive up-front and ongoing costs of an in-house or…from keygen.sh
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