stripe-integration-expert

原文涵盖的主题

• Stripe Integration Expert
• Overview
• Core Capabilities
• When to Use
• Subscription Lifecycle State Machine
• DB subscription status values:
• Stripe Client Setup
• Checkout Session (Next.js App Router)

Tier: POWERFUL Category: Engineering Team Domain: Payments / Billing Infrastructure -- Implement production-grade Stripe integrations: subscriptions with trials and proration, one-time payments, usage-based billing, checkout sessions, idempotent webhook handlers, customer portal, and invoicing. Covers Next.js, Express, and Django patterns. -- Subscription lifecycle management (create, upgrade, downgrade, cancel, pause) Trial handling and conversion tracking Proration calculation and credit application Usage-based billing with metered pricing Idempotent webhook handlers with signature verification Customer portal integration Invoice generation and PDF access Full Stripe CLI local testing setup -- Adding subscription billing to any web app Implementing plan upgrades/downgrades with proration Building usage-based or seat-based billing Debugging webhook delivery failures Migrating from one billing model to another -- trialing | active | pastdue | canceled | cancelpending | paused | unpaid -- -- -- -- -- -- -- -- -- Webhook delivery order not guaranteed — always re-fetch from Stripe API, never trust event data alone for DB updates Double-processing webhooks — Stripe retries on 500; alwa

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