Tag: Identity Linking
-
How to Implement the Universal Commerce Protocol: A Step-by-Step Guide for Merchants
Implementing UCP with Google means enabling checkout inside AI Mode and Gemini through five official steps: Merchant Center preparation, business profile publishing, three core REST checkout endpoints, user identification path selection, and order status sync. This guide covers every step sourced directly from Google’s official UCP implementation documentation, including what UCP does not require of…
-
Universal Commerce Protocol (UCP): Google’s Open Standard
The Universal Commerce Protocol (UCP) is an open-source standard co-developed by Google and Shopify, announced on January 11, 2026, establishing a unified technical framework for agentic AI commerce transactions. UCP’s architecture comprises three primary functional modules: Checkout (payment processing), Identity Linking (cross-platform user authentication), and Order Management (transaction fulfillment), designed to enable interoperability across merchant…