Payment processing is a high-value skill. E-commerce, SaaS platforms, marketplaces - they all need developers who can handle payments safely and correctly.
This project teaches you how to integrate with third-party APIs like Stripe. You'll learn about webhooks, which let Stripe notify your server when events happen (payment succeeded, subscription canceled, etc).
Security and reliability are critical with payments. You'll learn how to verify webhook signatures, handle failed payments, and keep financial data safe. These skills directly impact business revenue.
Payment integration is a valuable skill. E-commerce, SaaS products, and many apps need to accept payments. Companies want developers who can handle this safely and correctly.
This project teaches you how to work with third-party services like Stripe. You'll learn about webhooks, which let Stripe notify your app when events happen (payment succeeded, subscription canceled, etc).
Security is crucial with payments. You'll learn to verify webhooks, handle edge cases, and never store sensitive payment data yourself. These practices keep your users safe.
Implement a complete payment flow with Stripe, handling webhooks, refunds, subscription management, and transaction history. This project teaches you how to safely integrate third-party payment processors and handle financial transactions.
One-time payment processing with Stripe
Subscription creation and management
Webhook handling for payment events
Refund processing
Transaction history and receipts
Payment method storage
Invoice generation
Failed payment handling
Currency conversion support
Integrate Stripe payment processing
Handle webhook events securely
Manage subscription billing cycles
Process refunds and disputes
Store payment data securely
Handle edge cases in payment flows
Checkout page with Stripe Elements
Save card for future purchases
Support multiple payment methods
3D Secure authentication
Automatic retry for failed payments
Email receipts after successful payment
Admin panel to view all transactions
Subscription upgrade/downgrade
Verify webhook signatures to prevent fraud
Handle idempotency for duplicate requests
Implement proper error handling for payment failures
Store Stripe customer IDs securely
Handle subscription cancellation timing
Implement proper logging for financial transactions
Test payment flows in Stripe test mode
Stripe Documentation: stripe.com/docs has excellent guides. Start with "Accept a payment" tutorial.
Stripe Testing: Stripe provides test card numbers. Use them to test all scenarios.
Webhooks: Read Stripe's webhook guide. Learn how to verify webhook signatures.
Idempotency: Search for "idempotent requests" to handle duplicate submissions safely.
PCI Compliance: Learn basic PCI compliance rules. Never store full card numbers.
Subscription Management: Stripe docs on subscriptions cover billing cycles and cancellations.
Stripe Docs: Stripe documentation is excellent. Start with "Accept a payment" guide.
Stripe Testing: Stripe provides test card numbers. Use them to test all scenarios.
Webhooks: Read Stripe's webhook guide. Learn how to verify webhook signatures.
Stripe Elements: Pre-built UI components for collecting payment info securely.
Idempotency: Search for "API idempotency" to learn how to prevent duplicate charges.
Subscription Billing: Stripe subscription docs explain billing cycles and proration.
Payments process successfully in test mode
Webhooks update database correctly
Refunds reflect in transaction history
Subscriptions renew automatically
Failed payments trigger retry logic
All transactions are logged properly
Hint: Use Stripe's test mode extensively. Test every edge case: successful payments, failed cards, disputed charges, subscription cancellations. Stripe provides test card numbers for all these scenarios.
Submit Your Project
Once you've completed this project, submit your GitHub repository link below: