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