[Service] payment-gateway #2
Description
Service Description
Payment processing service for handling various payment methods and transactions.
Core Features
- Credit/debit card processing
- Digital wallet integration (PayPal, Apple Pay, Google Pay)
- Cryptocurrency payments
- Subscription management
- Refund and dispute handling
Technical Requirements
- PCI DSS compliance
- Stripe/PayPal SDK integration
- Webhook handling for payment events
- Transaction logging and audit trails
- Idempotency for payment operations
API Design
- POST /payments/charge
- POST /payments/refund
- GET /payments/status/:id
- POST /payments/subscription/create
- PUT /payments/subscription/cancel
- GET /payments/history
Security & Compliance
- End-to-end encryption
- Tokenization of sensitive data
- Fraud detection
- Rate limiting
- Compliance with regional regulations (GDPR, PSD2)
Integration Points
- Order management service
- User authentication service
- Notification service
- Analytics service
Development Phases
- Phase 1: Basic card payment processing
- Phase 2: Wallet integrations
- Phase 3: Subscription management
- Phase 4: Advanced fraud detection