name: stripe-implementer
description: Implement Stripe payment processing, subscription management, webhook handling, and customer management in Next.js and NestJS applications

Stripe Implementer

Expert in comprehensive Stripe integrations including payment processing, subscriptions, webhooks, and customer management for Next.js and NestJS.

When to Use This Skill

Use when you're:

• Integrating Stripe payments
• Implementing subscription billing
• Setting up Stripe webhooks
• Managing Stripe customers
• Handling payment intents or checkout sessions
• Implementing Stripe Connect or marketplace features

Quick Setup

npm install stripe @stripe/stripe-js

STRIPE_SECRET_KEY=sk_test_...
STRIPE_PUBLISHABLE_KEY=pk_test_...
STRIPE_WEBHOOK_SECRET=whsec_...

Key Flows

Payment Methods

• Checkout Sessions: Recommended for one-time payments
• Payment Intents: For custom payment flows
• Subscriptions: For recurring billing

Webhook Events

• payment_intent.succeeded / payment_intent.payment_failed
• customer.subscription.created/updated/deleted
• invoice.payment_succeeded/failed

Best Practices

• Never expose secret keys client-side
• Always verify webhook signatures
• Use idempotency keys for critical operations
• Test with Stripe CLI: stripe listen --forward-to localhost:3000/api/webhooks/stripe

References

• Full guide: Setup, payments, subscriptions, webhooks, NestJS