What you learn
- Embedded versus hosted Stripe Checkout and why you never handle card data yourself
- The products-and-prices model and subscriptions with monthly versus yearly billing
- Test mode with the 4242 test card, and the clean path to going to production
Summary
Auth, data and secrets are in place. Now your product can make money. Stripe is the standard for taking payments, and the headline benefit is that you never touch a raw credit card number - Stripe collects it, so your compliance burden shrinks from terrifying to manageable. This lesson gets you to a working subscription: the two flavours of Checkout, how products and prices model your pricing, how subscriptions handle recurring billing including the monthly-versus-yearly toggle your pricing page needs, and the test-mode discipline that lets you build and verify the whole thing without moving a cent of real money.
What you will learn
You will learn the difference between hosted and embedded Checkout and when to use each, how Stripe's products-and-prices model maps to your pricing tiers, how subscriptions handle recurring monthly and yearly billing, how to build entirely in test mode using Stripe's test cards, and the clean checklist for flipping to production once everything works.
Prerequisites
A working app with auth and data, and the secrets discipline from the previous lesson, because Stripe keys are among the most sensitive you will ever hold - a leaked live key is a direct line to your money. You should also be comfortable that test and production are separate worlds, exactly as with Clerk.
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The problem
Beginners assume taking payments means building a credit-card form and storing card numbers. That path is a nightmare: handling raw cards puts you under the full weight of PCI compliance, and a mistake exposes you to fraud and legal liability you are not equipped to carry. So people either avoid charging at all, leaving money on the table, or they build something unsafe. Stripe exists precisely so you never store a card number. You hand the payment step to Stripe, it collects the card on its own secure infrastructure, and it tells you the result. Your job shrinks to "set up products and react to what Stripe tells you", which is completely achievable.

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