Commerce
UCP
The Universal Commerce Protocol describes catalog, cart, checkout and order services so an agent can transact end to end.
Why it matters
It is the difference between an agent recommending your product and an agent buying it.
Pass criteria
/.well-known/ucp declares protocol_version and at least one service.
What the scanner records
Every request the check makes is recorded (URL, method, response status, relevant headers and a body preview) and shown under the check in your results.
Every request the check makes is recorded (URL, method, response status, relevant headers and a body preview) and shown under the check in your results.
Scan your site
See whether this check passes on your domain, along with the other 21.
Related checks
x402
Payable routes answer HTTP 402 with x402 requirements, or a discovery document is published.
MPP
An OpenAPI document annotates payable operations with x-payment-info.
ACP
/.well-known/acp.json declares protocol.name, api_base_url, transports and capabilities.services.
AP2
The A2A Agent Card advertises an AP2 extension with role information.