Everyone Is Talking About AI Agents Buying Things. Almost Nobody Is Asking Who Authenticates Them
finon blog
23.07.2026
5 MIN
Interchange Fees Explained: A Practical Guide for PSPs & Acquirers
Interchange is often treated as a fixed tax on every card payment: unavoidable and outside the PSP's control. That is only partly true. A practical guide to what is regulated, what varies, and where PSPs and acquirers can genuinely optimise card acceptance costs.
finon blog
02.07.2026
5 MIN
The Payment Infrastructure Stack in 2026
Most payment platforms were built for a single-acquirer, card-only, domestic-first era, and that architecture is now a liability. This article maps the seven layers of a modern payment stack, the five capabilities separating leaders from laggards, and the build-vs-buy decisions every PSP, bank, and fintech must make
finon blog
25.06.2026
5 MIN
Payment Reconciliation for High-Volume PSP
Manual reconciliation silently erodes PSP margins, damages merchant trust, and creates compliance risk. This guide covers the four architecture patterns: provider-agnostic ledger, multi-stage matching, hybrid processing, and exception workflows that production-grade reconciliation systems are built on