Commerce — agent readiness

Prices, availability and the discovery profile that lets an agent transact. Getting this wrong does not degrade quietly: an agent that reads a stale price or an unrecognised availability value quotes something false to a buyer.

Scored

Detected and validated. Each page lists the checks that can fail it and on whose authority.

UCP profile platform default ▲ rising

Universal Commerce Protocol discovery for agentic shopping.

Product / Offer schema web baseline ► flat

Price, availability and identifiers an agent can quote.

Watched

Followed but not scored: each page says what would change that.

ACP early pilots ▼ receding

The Agentic Commerce Protocol, which powered checkout inside ChatGPT.

AP2 early pilots ► flat

The Agent Payments Protocol, covering how an agent proves it was authorised to pay.

x402 early production ▲ rising

Paying for a request with the HTTP 402 status code, so an agent can settle a charge inline.

MPP (Machine Payments Protocol) early pilots ▲ rising

Publishing an API's prices in its OpenAPI document, so an agent knows what a paid endpoint costs before it calls one.