Payment Systems Architecture

Master payment processing, debugging, and system design at scale

Core Payment Guides

Senior-level architecture guides for building, debugging, and scaling payment systems. Covers payment gateways, API integration, failure handling, and production considerations.

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JusPay Architecture

Complete technical deep-dive into JusPay payment gateway. Learn payment flows, API integration, webhook handling, debugging strategies, pitfalls, and production best practices.

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Payment Reconciliation

Strategies for reconciling payments across systems. Handling failed transactions, retries, idempotency, and audit trails.

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Payment Security

PCI-DSS compliance, encryption, tokenization, fraud detection, and secure credential handling.

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Async Payment Processing

Event-driven architecture, message queues, and handling asynchronous payment notifications.

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Payment Debugging

Systematic debugging approach for payment failures. Logging strategies, trace IDs, and production troubleshooting.

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Multi-Currency & Forex

Handling multiple currencies, exchange rates, and international payment flows.