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Everything you need to ship a paywall.

Guides, references, and copy-paste recipes for the crxpay SDK — Stripe Connect, signed offline cache, and Manifest V3 from the service worker up.

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Quickstart SDK reference Connect Stripe Migrate from ExtPay

Start here

Pick a path, ship by Friday.

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Start here8 min

Quickstart

Install the SDK, paste your publishable key, ship a live paywall. Eight minutes, end to end.

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Payments5 min

Connect Stripe

One click, no API-key juggling. We use Stripe Express Connect so you keep the account and the payouts.

Read guide
Switching12 min

Migrate from ExtPay

Side-by-side API mapping and a one-time data migration script. Keep every customer and their subscription.

Read guide

Popular how-tos

The things people actually ask.

Set up your first paywallCheck an entitlement from a content scriptRoute Stripe webhooks to crxpayRotate a publishable key safely"Subscription disappeared" — and the offline cacheExport ExtPay customers into crxpay

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Core concepts

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Payments

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Ready when you are

Create an extension, connect Stripe, ship a paywall.

Free on your first $2,500 of monthly tracked revenue. Then 2.5%. No seat fees, no CWS commission on top.

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