Step 1: Get technically ready
We implement the Universal Commerce Protocol (UCP) integration, starting with cart transfer and adding native checkout when appropriate. Reuse your existing cart, checkout and integrations.
GOOGLE UNIVERSAL CART FOR MERCHANTS IN THE US
Google’s Universal Cart is live. Turn it into sales.
Google’s AI shopping experiences are opening new ways for American shoppers to buy. commercetools helps you connect to Google, starting with cart transfer and preparing for native checkout, using the commerce capabilities you already run.
Talk to an expert
Book 30 minutes with a specialist in agentic commerce.
Request a personalized demo
Book 30 minutes with a specialist in agentic commerce.
THE OPPORTUNITY
From browsing to buying, inside Google Search, AI Mode and Gemini
Shoppers in the United States can now discover products and build a basket in Google’s AI experiences, with two ways to complete their purchase: Transfer the cart to your website or check out directly in Google.
Own the customer
You stay the seller of record, and the customer relationships stay yours.
Protect your pricing
Your prices and promotions apply. Shoppers see and pay what you have set.
Keep operations simple
Orders flow into the systems you already run. Fulfillment works as it does today.
The opportunity is growing
Source: Adobe Digital Insights, AI Traffic Trends Report, June 2026.
+138%
Year-over-year growth in AI-referred traffic to US retail sites.
54%
Higher conversion rate for AI-referred traffic compared with other traffic sources.
One cart.
Two ways to complete the sale.
Both Cart Transfer and Native Checkout paths connect Google’s shopping experience to your commerce operations. The right starting point depends on the shopper journey you want to support and the implementation work you’re ready to undertake.
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Cart transfer
Shoppers build a basket in Google, then continue to your website to complete their purchase.
What you keep
- Your checkout and payment options
- Cross-sell and upsell opportunities
- Abandoned-cart retargeting
- Loyalty and customer engagement
- Your role as seller of record
How commercetools helps
Connect the Google cart to your existing cart and match the relevant product IDs, so the shopper can continue with their basket intact.
A lighter implementation to start with.
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Native checkout
Shoppers complete their purchase within Google’s experience, without navigating to your website.
What you keep
- Your supported prices and promotions
- Your tax and shipping rules
- Your role as seller of record
- Connections to your commerce operations
How commercetools helps
Implement the required checkout endpoints and extend your existing fraud, tax, inventory and order logic to support the new channel.
A deeper integration, without rebuilding your commerce logic from scratch.
*Google determines merchant access to both cart transfer and native checkout. Implementation scope and supported capabilities depend on the retailer’s setup and Google’s requirements.
HOW COMMERCETOOLS HELPS
From readiness to live on Google
We help you prepare the technical foundation, navigate Google’s process and validate your implementation step by step. We help you find the right starting point for your setup.
Step 2: Prep before applying to Google
We'll help you prepare the relevant technical and business information for the process before submitting Google’s merchant interest form.
Step 3: Test and validate
If selected, we work together using Google’s sandbox and validation checklist to identify and resolve implementation issues.
Step 4: Go live and monitor results
Google confirms your launch or identifies any remaining fixes. We help you address them and get ready to go live. After that, you can track results in your Google dashboard.
A smarter way to connect your commerce to Google’s Universal Cart
With commercetools, you can connect to Google’s Universal Cart using your existing commerce capabilities, from cart and checkout to the integrations that support your business. No need to build and maintain a separate integration from scratch.
Reuse your existing commerce logic
Connect your established cart, checkout and relevant fraud, tax and inventory integrations to the new channel. Reduce the need to recreate existing business logic for Google.
Keep orders connected to fulfillment
Orders flow into commercetools, allowing you to build on your existing order and fulfillment processes rather than creating a separate operational workflow for this channel.
Keep pace as UCP evolves
We maintain the integration as the protocol develops, helping you adapt to new capabilities without having to manage every change entirely on your own.
Build beyond a single AI channel
commercetools agentic commerce helps connect your store to AI search, AI assistants and shopping agents, so shoppers can buy from you there, not just find you.
Ready to turn Google’s Universal Cart into orders?
Talk to a commercetools expert about:
- Your commerce setup, goals and priorities
- The right implementation path for your brand
- What it takes to prepare for Google’s evolving shopping experiences
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Frequently asked questions
What is Google’s Universal Cart?
Google’s Universal Cart is an AI-powered cart that lets shoppers save and manage products from multiple retailers across Google Search, AI Mode, Gemini and other Google platforms in one place. As a result, it helps shoppers find deals, track prices and simplify checkout.
What is UCP?
UCP (Universal Commerce Protocol) is an open standard developed by Google and industry partners that enables AI agents, businesses and payment providers to communicate and complete purchases seamlessly.
UCP is the protocol that powers agentic commerce solutions, such as Google’s Universal Cart, connecting product discovery, shopping carts and checkout.
Which path should I start with?
Cart transfer is the recommended starting point for many retailers because it requires a lighter integration. Native checkout is worth considering when you want shoppers to complete their purchase on Google and they are eligible to participate.
Can any retailer use Universal Cart?
No. Google determines merchant selection and access. commercetools can help you prepare technically, but cannot guarantee eligibility or approval.
Will my prices, promotions, tax and shipping rules carry over to Google’s Universal Cart?
Yes. With commercetools, your existing pricing, promotions, tax and shipping logic is reused. We’ll confirm the details for your setup.
Do I need to replatform?
Not necessarily. The approach is designed to reuse your existing commerce capabilities wherever supported. The right integration path depends on your current platform, architecture and requirements.
Can I integrate directly with Google instead?
Yes, direct integration is an option for retailers with the technical resources to build and maintain it. commercetools offers a way to build on your existing commerce capabilities and supported integrations while preparing for evolving AI shopping channels.