Reference
UCP Explained: Google's Universal Commerce Protocol
A plain guide to UCP, Google and Shopify's open standard for agentic shopping: the /.well-known/ucp model, how it relates to ACP, and what is live now.
Blog · Tag
UCP
2 posts tagged “UCP”.
Reference
The Agentic Commerce Protocol Stack, Explained
ACP, UCP, MCP, AP2, A2A, x402, MPP — the agentic commerce protocols are layers, not rivals. Here is the job each does, and how one purchase uses several.