Developer shares reusable Stripe payment and webhook setup for Next.js 15 SaaS apps

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A developer has published a reusable integration pattern for adding Stripe payments to Next.js 15 SaaS applications, covering checkout sessions and subscription handling. The setup centralises Stripe configuration in a single file and uses a Server Action to create hosted Stripe Checkout Sessions, attaching a user ID in metadata for later reference. A key emphasis of the guide is the correct use of webhooks rather than relying on browser-side redirect pages to confirm payment, as redirects can fail or be closed before they fire. The webhook handler verifies Stripe's signature and updates the database only after receiving a confirmed event directly from Stripe's servers. The author presents this as a production-ready pattern reused across multiple projects to avoid common pitfalls in payment integration.

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