8 docs tagged with "payments"

Overview of Foreign Exchange (FX) in Payments.

Complete guide to inbound payment processing — STP vs exception routing, credit hold rules, beneficiary validation, camt.054 notification, and engineering patterns.

Overview of NPP — New Payments Platform.

Deep architectural guide to off-us transaction processing in banking, the 4-corner payment model, clearing vs settlement mechanics, DNS vs RTGS liquidity models, and resilient interbank gateway design.

Comprehensive senior architectural guide to on-us transaction mechanics, direct ledger book transfers, lexicographical lock ordering to prevent deadlocks, cross-shard 2PC, and card scheme bypass routing.

Complete guide to outbound payment processing — initiation, validation, dual approval, payment factory, channel selection, and engineering patterns.

Payment Hub vs Payment Gateway vs Payment Factory — architecture patterns, orchestration, channel abstraction, and Java/Spring engineering design for centralised payment processing.

Master senior-level resilience patterns for mission-critical distributed systems — Idempotency engines, Two-Phase Reservation (TCC) with timeout reapers, Virtual Waiting Rooms, Adaptive Concurrency Limits, Bulkheading, and Fenced Distributed Sagas.