Agentic AI entering commercial payments isn't a UI upgrade — it reshapes who initiates, authorizes, and reconciles transactions, forcing issuer processors and corporate banking rails to rearchitect entitlement and authentication frameworks around machine-driven principals rather than human ones. For operators running cross-border and FX infrastructure in Asia-Pacific, the compliance perimeter must now account for autonomous agents executing multi-leg transactions across jurisdictions without real-time human sign-off.