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Ship your app without building sign-in and billing first.

Live at rekey.dev

Rekey is for teams building apps and AI tools. Accounts, subscriptions, credits and usage limits come from one API, so who signed in and what they paid for is one record.

Visit rekey.dev Self-host it under MIT, or start on Rekey Cloud without a card.
Rekey application overview: end users, active users, subscriptions, credits and an accounts-created chart

What it does

Sign-in

Email and password, magic links, passkeys for operators, and OAuth with Google, GitHub, Microsoft and any OIDC provider. MFA, roles and organizations come with it.

Billing

Subscriptions, licenses, usage and credit plans, with Stripe, PayPal and Razorpay behind one interface. Trials, refunds and dunning are handled for you.

Credits and usage limits

Meter tokens, tool calls or API calls. Quotas are enforced per plan, credits debit safely, and going over returns an error instead of a surprise bill.

A panel to run it

See users, plans, payments and meters in one place. Clear a lockout or grant access from the support console, with every action in an audit log.

Rekey user analytics: total, new, active and paying users with an active-users chart
Rekey usage meters for API calls, storage and AI tokens

Docs, plans and the source on rekey.dev

Need sign-in and billing done right in your product?

A few paragraphs is enough. You get a written reply within 2 working days, including a plain no if we are not the right fit.