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Mar 19, 2026
New capabilities to the Universal Commerce Protocol (UCP) help retailers make online shopping easier and more connected.
- This article discusses updates to the Universal Commerce Protocol (UCP) to simplify AI shopping.
- UCP now lets shopping agents save multiple items to a cart at once, like shoppers normally do.
- Agents can use UCP to get real-time product details like pricing and inventory from retailer catalogs.
- UCP supports Identity Linking, so shoppers get loyalty benefits on integrated platforms.
- Google is simplifying UCP onboarding in Merchant Center to help more retailers use it.
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We co-developed 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.
Thanks to our partners and community contributors, UCP now provides new optional capabilities including:
As always, UCP adopters can customize the experience they provide by selecting which capabilities to support.
At Google, we’ll continue to bring relevant UCP capabilities to shopping experiences in AI Mode in Search, the Gemini app and beyond. Additionally, we are actively working to onboard more retailers of all sizes to agentic experiences on Google with a simplified UCP onboarding process in Google’s Merchant Center, rolling out over the coming months. Partners like Commerce Inc, Salesforce and Stripe will implement UCP on their platforms in the near future, with others coming soon — making online shopping and selling even better for more people and businesses.
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