KeyMint
Self-hosted license key management
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- Paid from $34.99
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KeyMint is a self-hosted license key manager built for indie hackers and digital product sellers. Lemon Squeezy charges $29/month to manage your license keys. KeyMint is a one-time $49 purchase — you own the code, you run it on your own server, no recurring fees ever. You generate license keys for your products, set activation limits, and validate keys via a simple API endpoint. Buyers hit your endpoint to check if their key is valid. Everything runs on your own Railway + Neon stack. Built with React 19, Express 5, PostgreSQL, and Drizzle ORM. Deploy in under 15 minutes with the included step-by-step guide. Full source code included, MIT licensed. Who it's for: Gumroad sellers, Lemon Squeezy sellers, or anyone selling digital products who wants to add license key validation without paying monthly SaaS fees.
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Built this because Lemon Squeezy wanted $29/month just to validate license keys. Self-hosted, one-time $49, full source code. Happy to answer any questions about the stack or deployment.