Research, guides and ecosystem updates
Original research on UCP adoption, the State of Agentic Commerce report, guides for each store platform, and the latest spec changes, written for developers and platform teams building for agentic commerce.
UCP for Lodging Just Got a Charter — and a Phased Roadmap. Here's What It Commits To.
A proposed Domain Tech Council charter for UCP Lodging just named its committed participants — Booking.com, Expedia, Hilton, Marriott, Trip.com and Amadeus — and laid out a phased roadmap that starts at checkout, not search. Here is what each phase commits to, how the sequencing confirms what we mapped in May, and the three hard questions the charter still leaves open.
· 5 min read
UCP Is Growing a Fulfillment Layer — and a Proposed 800ms Budget
In one week Google opened four spec moves building UCP fulfillment layer — partner-sourced shipping, delivery instructions, catalog-level methods — and wrote an 800ms latency budget into the protocol.
· 5 min read
10,000 Domains Monitored — and Target Just Turned On Agentic Checkout in Gemini
This week Target went live with frictionless checkout in Google Gemini — and our crawler crossed 10,000 monitored domains. The demand side of agentic commerce is switching on at the same scale we measure the supply side.
· 5 min read
Introducing Wire-Level Tool Inspection: See Every Byte Your Store Sends an Agent
Every tool call in a Playground session — live and in replay — now expands to show exactly what crossed the wire: the request we sent, and the raw response the store returned. Plus a refreshed 14-model bench.
· 3 min read
UCP Message Signatures: How Every Request Proves Who Sent It (RFC 9421)
A profile is just JSON anyone can copy; a `UCP-Agent` header is just a string anyone can set. What makes them mean something is the signature on the request carrying them. This is the engine under the agent profile and order webhooks — RFC 9421 covered components, Content-Digest, key resolution by `kid` — and the one encoding bug that breaks almost every first implementation.
· 8 min read
UCP Webhooks: How Stores Tell Agents an Order Changed — and How to Verify It
Checkout is the beginning of an order, not the end. UCP webhooks are how a store tells an agent the order shipped, partially fulfilled, or got refunded — as a signed, current-state snapshot. The natural downstream of the agent profile: same `UCP-Agent` header, same `signing_keys`, same RFC 9421 signatures, pointed the other way.
· 9 min read
The UCP Agent Profile: How We Gave Our Shopping Agent a Verifiable Identity
Merchants have always been able to verify a store's UCP profile. Now the agent is verifiable too. Our platform profile at /.well-known/ucp-agent now conforms to the UCP profile schema — a `ucp` member, a `signing_keys` JWK set, and signed requests (RFC 9421) that let any merchant prove who's knocking.
· 7 min read
Is My Store WebMCP and UCP Ready? What Agent Checkout Actually Needs
WebMCP lets agents operate your store in the browser. UCP is what lets them actually buy. Here is what WebMCP-ready means for commerce — and how to check the half that closes the sale.
· 8 min read
UCP for Hotels: A Hotelier's Guide to Agentic Booking
UCP is not an OTA. It's a new agent-facing booking funnel that runs on top of your existing booking infrastructure, preserves you as Merchant of Record, and changes the customer surface without changing who owns the data.
· 18 min read
UCP vs NDC: What Airlines Actually Need to Know About the Agentic Distribution Layer
UCP and NDC sit at different layers of the same airline distribution stack. NDC carries the content (Offers, Orders, ancillaries) that an agent-native UCP airline endpoint exposes. The practitioner comparison.
· 16 min read
KYC, KYB, KYA: The Identity Stack for Agentic Commerce
KYC, KYB, KYA aren't a comparison — they're a lineage. The same risk-management primitive applied to each new class of actor that becomes powerful enough to matter — now agents.
· 12 min read
Introducing the UCP Playground Extension: An AI Shopping Agent in Your Side Panel
Our second extension turns any UCP-enabled store into a live agent demo. Open Chrome's side panel, pick a model, and watch (or drive) an AI shopping agent search, build a cart, and reach checkout — side by side with the page, using the store's own UCP tools. No screen-scraping, no leaving the tab.
· 7 min read