Topic
payment switch
Focused guides connected by this engineering topic.
ISO 8583 Explained: Complete Guide to Payment Message Structure and Transaction Processing
A system-level guide to ISO 8583 message anatomy, participants, transaction flows, reliability controls, security boundaries, testing, and reconciliation.
Payment Switch Architecture: How Financial Transactions Are Routed Reliably
A practical payment-switch architecture covering channels, routing, HSMs, state, queues, timeouts, reversals, reconciliation, monitoring, and high availability.