Google’s Universal Commerce Protocol capabilities expand to main SERP

<p>Google’s Universal Commerce Protocol (UCP) was updated in March 2026. Learn what UCP is, what changed, and how to prepare your business.</p>

Google has launched its Universal Cart today in Google Search and Gemini within the United States. This is powered by the Universal Commerce Protocol (UCP) and it was launched

<p>Google is rolling out cart transfer and checkout testing in the Merchant Center UCP hub, plus a YouTube ads beta and wider AI insights.</p> <p>The post <a

<p>Google introduced Universal Cart at Google I/O, a new intelligent shopping cart and agentic hub for shopping on Google. </p> <p>The post <a

Google is sending email notifications to Google Merchant Center users if their e-commerce platform supports Universal Commerce Protocol (UCP) and if so, telling them that "your

<p>Google built UCP for Shopping. The architecture underneath it is a blueprint every website will eventually need to implement, regardless of whether you sell anything.</p>

<p>Universal Cart is rolling out across Search and the Gemini app, with checkout inside the cart or a one-way handoff to the store's own site.</p> <p>The post <a