Google Pay is overhauling its payment infrastructure for an impending wave of transactions from AI agents.

The latest updates introduce the Universal Commerce Protocol and a new server architecture, positioning Google Pay as a central clearinghouse for purchases executed by autonomous agents rather than human users.

AI agents – designed to perform tasks like booking flights or ordering supplies – cannot effectively navigate the multi-step, visually-oriented checkout pages built for human interaction. Google is attempting to replace this UI-dependent model with a stable, API-driven backend for machines.

This restructuring of Google Pay introduces several components:

Universal Commerce Protocol (UCP): This is a new specification intended to standardise how AI agents communicate with payment and merchant systems. It creates a common language for initiating transactions, confirming inventory, and handling fulfillment details.…