Shopify storefronts now advertise support for Universal Commerce Protocol (UCP) version 2026-08-25 in their discovery profiles at /.well-known/ucp . This update adds compatibility with the 2026-08-25 protocol release and doesn’t require any changes to your existing integrations. What changed Storefront discovery profiles now declare UCP version 2026-08-25 as a supported protocol version in /.well-known/ucp .
Shopify storefronts now support UCP 2026-08-25
calendar_today
September 4, 2026
domain
shopify-admin