Google is advancing its Universal Commerce Protocol (UCP) with new capabilities designed to simplify and connect AI-driven online shopping for retailers and consumers. These updates include multi-item cart functionality for shopping agents, real-time access to product catalogs for inventory and pricing, and identity linking to ensure loyalty benefits apply across integrated platforms, according to Google. The tech giant simplifies onboarding for retailers, pushing agentic commerce forward even as broader consumer trust in AI recommendations remains low.
UCP also introduces a Catalog capability, granting agents real-time access to select product details like variants, inventory levels, and pricing directly from a retailer’s catalog. Additionally, the protocol now supports Identity Linking, which allows shoppers on UCP-integrated platforms to receive loyalty or member benefits, such as special pricing or free shipping, just as they would on a retailer's direct site. "We built the UCP with the industry as an open standard to help make online shopping easier for everyone," stated Ashish Gupta, VP/GM, Merchant Shopping at Google, highlighting the collaborative effort Chain Store Age.
Google streamlines the UCP onboarding process within its Merchant Center, with a rollout planned in the coming months. This move aims to onboard more retailers of all sizes onto agentic experiences across platforms like AI Mode in Search and the Gemini app. Partners such as Commerce Inc, Salesforce, and Stripe plan to implement UCP on their platforms, further expanding its reach.
Only 14% of people explicitly trust AI recommendations, according to Salsify research cited by E-Commerce Times. However, comfort levels vary significantly across demographics. Gen Z shows a higher acceptance, with 34% comfortable with AI making final purchase decisions, compared to 0% of Boomers MediaPost. This generation also allows AI to purchase for them without approval at triple the rate of older demographics.
Despite the UCP's retail-centric design, lacking mechanisms like real-time inventory holds essential for travel transactions, developers are already exploring adapting the protocol for travel bookings. This indicates a strong interest in extending AI-powered commerce to new sectors, anticipating future capabilities and expanding the "agentic buying" wave.
For Retailers
Prioritize UCP integration through Google Merchant Center to enable multi-item cart creation and real-time inventory checks for AI agents, streamlining purchases.
For Developers
Focus on building UCP-compliant shopping agents that leverage Identity Linking, ensuring loyalty programs are recognized, which enhances customer experience and retention.
For Consumers
Expect more intuitive AI shopping experiences that can handle complex tasks like adding multiple items. However, remain mindful that only 14% of people trust AI recommendations, so verification is still a good practice.
The Universal Commerce Protocol (UCP) is an open standard co-developed by Google and the retail industry to streamline online shopping. It allows AI shopping agents to replicate typical shopping behaviors, such as adding multiple items to a cart and accessing real-time product details. UCP also supports identity linking, enabling shoppers to receive loyalty benefits across integrated platforms.
The updated Universal Commerce Protocol (UCP) enhances AI shopping by enabling multi-item carts for shopping agents, granting real-time access to product catalogs for inventory and pricing, and integrating loyalty benefits across platforms. This allows AI shopping agents to replicate typical shopping behaviors more closely and provides a more seamless experience for consumers.
Identity Linking within the Universal Commerce Protocol allows shoppers to receive loyalty or member benefits on UCP-integrated platforms. This ensures that shoppers receive special pricing or free shipping, just as they would on a retailer's direct site, creating a consistent and rewarding shopping experience.
Google is streamlining the UCP onboarding process within its Merchant Center to encourage wider adoption. This simplified process aims to onboard more retailers of all sizes onto agentic experiences across platforms like AI Mode in Search and the Gemini app, making it easier for them to integrate with the protocol.
Several companies plan to implement the Universal Commerce Protocol on their platforms, including Commerce Inc, Salesforce, and Stripe. This expanded reach will allow more retailers and consumers to benefit from the streamlined online shopping experience offered by UCP.
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