One cart across the internet. Your products need to be in it.
Google wants shoppers to collect items from any store in one place and let agents pay within limits. For retailers, clean product data becomes the shop floor.
By the Xuru Technologies team · 21 May 2026
Key takeaways
- Universal Cart follows shoppers across Search, Gemini, YouTube and Gmail, tracking prices and restocks.
- It launches in the US this summer with retailers including Nike, Target, Walmart and Wayfair.
- AP2 lets agents make payments within limits users set.
- The Universal Commerce Protocol expands to Canada and Australia, then the UK, and into hotels and food delivery.
In January, Google launched its open commerce protocol. Four months later it is building a shopping layer across all its products, and opening it to more countries and industries.
What happened
TechCabal detailed the shopping announcements from I/O, and Tech2 covered the wider keynote.
What it means for retailers and hotels
- Product feeds are critical. Missing prices or stock means missing the cart.
- Price tracking is public. Shoppers get alerts when competitors drop prices.
- Hotels and restaurants are next. Booking and delivery join agentic checkout.
Preparing for agent shopping
| Step | Outcome |
|---|---|
| Merchant Center feed audit | Accurate titles, prices, variants and stock. |
| Product and offer schema | Machines read your site correctly. |
| Clear returns and delivery | Agents compare policies too. |
| Modern checkout platform | Ready for agent and wallet payments. |
Frequently asked questions
What is Google Universal Cart?A shopping cart that works across Google Search, Gemini, YouTube and Gmail, collecting items from multiple stores and tracking prices.
A shopping cart that works across Google Search, Gemini, YouTube and Gmail, collecting items from multiple stores and tracking prices.
What is AP2?A protocol announced at Google I/O 2026 that lets AI agents make payments on a user's behalf within limits the user sets.
A protocol announced at Google I/O 2026 that lets AI agents make payments on a user's behalf within limits the user sets.
Will this come to the UK and Australia?Google said its Universal Commerce Protocol will expand to Canada and Australia in the coming months, followed by the UK.
Google said its Universal Commerce Protocol will expand to Canada and Australia in the coming months, followed by the UK.
Get into the cart before your competitors.
Product feeds, schema and modern checkout for AI-driven shopping.
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