Open, source-available — the new KeygenStar us on GitHub

Use Cases
- Software Application LicensingUse Keygen's flagship software licensing API to add license key validation, device activation and entitlements to any software product.
- Software Artifact DistributionUse Keygen's supplementary software distribution API to securely deliver artifacts and offer automatic updates to licensed users.
- No-code Licensing AutomationUse Zapier to integrate Keygen with your favorite tools, such as Stripe for payments, and Postmark for transactional emails. No code required.
- For On-Premise/Multi-Prem
- For Go Programs
- For Mac Applications
- For Container Images
- For Windows Programs
- For Electron Apps
- For WordPress Plugins
- For Tauri Apps
- For Python Packages
- For PHP Packages
- For Node Packages
- For RubyGems
Demos
Developers
- Self Host Keygen NEWLearn how to self-host our Community Edition for free, or self-host our Enterprise Edition for an all-in-one licensing solution.
- Developer CLIUse Keygen's official CLI to sign and publish software releases. Integrate with our SDKs for secure automatic upgrades.
- Documentation
- API Reference
- Changelog
- Security
- Source Code
Resources
- Read the Source Code NEWKeygen is an open, source-available software licensing and distribution API. View the source code on GitHub to learn more. Build vs BuyBusinesses of all sizes face the question of whether to build or buy a licensing solution.
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- Careers
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Pricing
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Keygen + Paddle

Use Keygen to implement a flexible licensing system

Powerful licensing tools

Use Keygen's APIs to implement licensing models that meet your business requirements, from perpetual licensing to subscription-based licensing.

Learn about licensing

Licensed software distribution

Don't let unlicensed users download your software. Require a valid license key for all software downloads by using Keygen's distribution API.

Learn about distribution

Painless checkout integrations

Create a completely automated checkout, payment and licensing system by allowing Paddle to communicate with Keygen using webhooks.

View our pricing