
Payment gateway integration challenges drain engineering time and multiply technical debt. This article breaks down the five most common problems, from API fragmentation to PCI scope creep, and shows how a payment orchestration layer addresses each one.
3D Secure authentication adds identity verification to online card payments. Regional conversion data shows 3DS helps in some markets and hurts in others. This guide covers the authentication flow, regional impact data, frictionless rate optimization, the multi-PSP consistency problem, and where mandates are heading.