Sample extensions

Real extensions, real code, ready to clone.

Every sample is a full, loadable Chrome extension. Unpack the repo, paste your crxpay publishable key, run pnpm dev, and load the /dist folder as unpacked.

Starter

Minimal MV3 subscription

TypeScript · Vite · plain JS popup

The smallest possible crxpay integration: service-worker init, one entitlement check, one upgrade button. About 60 lines.

Open on GitHub

React

React paywall + entitlement gate

TypeScript · React · @crxpay/react-paywall

Uses the <PaywallProvider> and <Locked> primitives so your UI hides premium features automatically. Works with Vite or CRA.

Open on GitHub

TrialsComing soon

Free-trial + dunning flow

TypeScript · XState · Stripe test mode

7-day trial with a grace period, reminder emails, and an in-extension "your trial ends soon" banner. Full end-to-end demo.

Watch the repo

One-timeComing soon

One-time lifetime unlock

TypeScript · Vite · Stripe Payment Links

Single $29 unlock, no subscriptions. Shows how to map a product to an entitlement that never expires.

Watch the repo

Missing something? Email us what you’d like to see.