Agentic Payment Protocols (UCP, AP2)

Universal Cart: What Agentic Checkout Changes for Merchants

Universal Cart is Google’s cross-surface shopping cart, announced 19 May 2026. This piece separates what UCP requires from what AP2 might require later, and clarifies that the merchant remains the Merchant of Record.

May 29, 2026 13 min read

Agentic Commerce Fundamentals

Agentic Commerce Glossary: UCP, AP2 and Universal Cart

A source-aware glossary for retailers trying to understand UCP, AP2, Universal Cart, agent checkout, product discovery, and agentic commerce readiness.

February 28, 2026 14 min read