Implement Stripe Checkout.

Focus on outlining the steps required to integrate Stripe Checkout into a web application. Start by discussing the prerequisites, such as setting up a Stripe account and obtaining API keys. Then, detail the implementation process, including how to create a payment session, handle client-side integration with JavaScript, and manage server-side logic to confirm payment success or failure. Be prepared to address security considerations, such as handling sensitive data and ensuring PCI compliance, as well as discussing how to test the integration effectively.