Introduction
In the fast‑moving world of fintech, APIs have become the poster child for innovation. They’re sleek, lightweight, and developer‑friendly. Yet beneath the surface of every instant transfer, compliance check, and cross‑border transaction lies a structured XML message — quietly ensuring that money moves safely, legally, and consistently.
XML isn’t fading away; it’s evolving. It remains the heartbeat of global payments, and projects like XMLPayments prove that legacy technologies can coexist with modern architectures to create something truly future‑ready.
The financial industry has undergone a dramatic shift — from SOAP/XML to REST/JSON, from monolithic systems to microservices, and from manual reconciliation to real‑time orchestration. But XML continues to dominate regulated ecosystems for one simple reason: trust.
Schema validation guarantees data integrity.
