Google Expands UCP With Cart, Catalog, Onboarding via @sejournal, @MattGSouthern

Google's Universal Commerce Protocol adds cart management and catalog access, highlights identity linking support, and begins simplifying Merchant Center onboarding. The post Google Expands UCP With Cart, Catalog, Onboarding appeared first on Search Engine Journal.

Last updated Mar 19, 2026 by ATDb automated enrichment