AI shopping gets simpler with Universal Commerce Protocol updates

AI shopping gets simpler with Universal Commerce Protocol updates

By Ashish Gupta
Publication Date: 2026-03-19 00:00:00

We built the Universal Commerce Protocol (UCP) with the industry as an open standard to help make online shopping easier for everyone. Today, we’re sharing updates on new UCP capabilities, and, separately, how we are simplifying the UCP onboarding experience on Google surfaces.

New capabilities available in UCP

Since launch, we’ve worked with community contributors to add new optional capabilities to the protocol:

  • UCP can help make online shopping more intuitive and convenient, thanks to a new Cart option that will let agents save or add multiple items to a shopping cart at once from a single store — just as a shopper typically would.
  • UCP adopters will be able to access a new Catalog capability that lets agents retrieve select real-time product details from a retailer’s catalog where necessary — like variants, inventory and pricing.
  • Building on existing standards, UCP will also support Identity Linking. That allows shoppers on UCP-integrated platforms to receive the same…