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Step-by-step guide to implementing UCP using Google's path — feed requirements, Business Profile setup, and endpoint development.
Last updated: February 3, 2026
This content is based on official sources and ecosystem developments:
This guide walks you through implementing Universal Commerce Protocol (UCP) using Google's integration path: Merchant Center feeds, Business Profile, and UCP endpoints.
.well-known/ucp endpoint on your domainEnsure your product feed meets Google's requirements for AI Mode and UCP discovery:
CTA: Validate my feed — use the Readiness tool to check feed health.
Connect your Merchant Center account and ensure your Business Profile is linked where relevant so your store can be discovered in AI Mode.
Host a capability discovery file at https://yourdomain.com/.well-known/ucp that declares your catalog and checkout capabilities.
CTA: Generate manifest — use the Manifest Generator to create a valid UCP manifest.
Use the Readiness Score to run a full UCP check, then submit your site for verification in Merchant Center.