Google details how its on-Google checkout works

March 3, 2026

Google details how its on-Google checkout works

Google has quietly published a new help page explaining how its Universal Commerce Protocol works, giving merchants a clearer look at how checkout flows now operate across Google surfaces. The new documentation breaks down how UCP and its UCP-powered checkout enable a native Buy button that keeps the entire transaction on Google properties. The merchant

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Published by martech.org