ARO · Operational

x402

x402 is an Agent Readiness Optimization check in the Commerce group.

Version agent-readiness-2026-10

What is this benchmark?

x402 is an Agent Readiness Optimization check in the Commerce group.

Why it matters

HTTP 402 payment is recorded. It does not change the score.

How SiteGlue evaluates it

HTTP request to a well-known or published URL. Spec: https://www.x402.org/. Catalog agent-readiness-2026-10.

Passing criteria: The published signal for x402 is present and readable.
Failing criteria: The scan requested the signal and it was missing, blocked, or malformed.
Not verified: The check was not selected, the probe did not run, or evidence was inconclusive. Not verified is never scored as 0.
Not applicable: Optional checks can be recorded without changing the ARO score.

Scoring weight: 0. Evidence: Public HTTP, HTML, or DNS evidence for x402. No private credentials.

Example results

Pass

Agents can read a valid x402 signal on the public site.

Fail

x402 is missing, blocked, or not machine-readable.

Recommended fixes

Commerce protocols are skipped when the site has no shopping cart. This row does not generate a payment endpoint.

Related benchmarks

Frequently asked questions

Does a missing optional check lower my ARO score?

No. Weight 0 checks are recorded and shown. They do not change the score.

No. ARO is a website audit. Optional live walks are Test With AI Agents.