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Universal Cart launches as Google's intelligent agentic shopping cart
Universal Cart is Google's new agentic shopping cart, announced at Google I/O on 20 May. Brodie Clark and Juozas Kaziukėnas both flagged the launch as the standout I/O ecommerce announcement.
What changed
The cart runs on Universal Commerce Protocol (UCP) and Agent Payments Protocol (AP2), allowing shoppers to find deals, manage alerts, and complete checkout across Search, YouTube, Gmail, and the Gemini app. Google Wallet integration surfaces savings, and the cart anticipates shoppers' needs using Gemini-powered reasoning.
Live in the US for retailers including Wayfair, Target (via account linking), The Home Depot, and Etsy sellers. Coming to Canada, Australia, and the UK in the coming months. Google's Shopping Graph now contains 60B+ product listings. Universal Cart turns those listings into a unified agentic purchase surface across Google's properties.
The structural read: ChatGPT tried this with its own shopping cart beta but quietly pulled it after just a few months, with limited retailer adoption. Walmart said ChatGPT's cart converted 3x worse than directing shoppers to walmart.com. Google's Universal Cart enters with materially better launch positioning: UCP is open and weeks to months ahead of deployed features, allowing merchants more flexibility, and the same protocol can power non-Google agents (Copilot, etc.). This is the most serious agentic-commerce push Google has attempted.
Why it matters for advertisers
For you, this means that e-commerce merchants in the launch markets should engage with their Google account teams immediately to scope Universal Cart integration. Particularly relevant for high-AOV categories where checkout friction has been a measurable conversion drag, and for retailers competing for visibility inside Gemini-powered surfaces.
Perspective from the original PMC newsletter.Sources & contributor credit
- Newsletter coverage · Paid Media Collective newsletter
Original newsletter text, contributor labels and media for this update.
- Source referenced in newsletterBrodie Clark
Linked from the original newsletter. The source publication date has not been independently confirmed.
- Source referenced in newsletterJuozas Kaziukėnas
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- Source referenced in newsletterwalmart.com
Linked from the original newsletter. The source publication date has not been independently confirmed.
- Source referenced in newsletterGoogle blog · Universal Cart
Linked from the original newsletter. The source publication date has not been independently confirmed.
- Source referenced in newsletterUCP for developers
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- Published on this site
This update reflects the dated source reporting. Availability may have changed. Further coverage of this same development will be added to this page.
Original newsletter text and archive evidence
Universal Cart launches as Google's intelligent agentic shopping cart
Universal Cart is Google's new agentic shopping cart, announced at Google I/O on 20 May. Brodie Clark and Juozas Kaziukėnas both flagged the launch as the standout I/O ecommerce announcement. The cart runs on Universal Commerce Protocol (UCP) and Agent Payments Protocol (AP2), allowing shoppers to find deals, manage alerts, and complete checkout across Search, YouTube, Gmail, and the Gemini app. Google Wallet integration surfaces savings, and the cart anticipates shoppers' needs using Gemini-powered reasoning.
Live in the US for retailers including Wayfair, Target (via account linking), The Home Depot, and Etsy sellers. Coming to Canada, Australia, and the UK in the coming months. Google's Shopping Graph now contains 60B+ product listings. Universal Cart turns those listings into a unified agentic purchase surface across Google's properties.
The structural read: ChatGPT tried this with its own shopping cart beta but quietly pulled it after just a few months, with limited retailer adoption. Walmart said ChatGPT's cart converted 3x worse than directing shoppers to walmart.com. Google's Universal Cart enters with materially better launch positioning: UCP is open and weeks to months ahead of deployed features, allowing merchants more flexibility, and the same protocol can power non-Google agents (Copilot, etc.). This is the most serious agentic-commerce push Google has attempted.
For you, this means that e-commerce merchants in the launch markets should engage with their Google account teams immediately to scope Universal Cart integration. Particularly relevant for high-AOV categories where checkout friction has been a measurable conversion drag, and for retailers competing for visibility inside Gemini-powered surfaces.
Source captured . No explicit first-contributor label was provided for this update.
