Public aggregate ยท Nov 9, 2026
x402 check stats.
How often public x402 endpoints fail our unpaid lint checks. Aggregate only. Sellers are not named.
59
Endpoints sampled
25.4%
Passed every check
33.9%
Had at least one FAIL
Method: one unpaid GET or POST for the 402, facilitator /supported, and MCP parity when /mcp exists. No payments. 1 request per second per host. 20 hosts each from 402index.io, x402dash and CDP Bazaar public discovery.
66.1% had no FAIL (PASS or WARN only). Machine-readable: /x402-stats.json.
Failure rate by check
Impact class on each rowCheckImpactFAIL %WARN %
statusblocks_payment11.9%0%acceptsblocks_payment10.2%0%versionblocks_payment8.5%0%accept.extra.eip712blocks_payment5.1%1.7%body.jsonblocks_payment5.1%0%envelopeblocks_payment5.1%0%accept.networkblocks_payment1.7%18.6%accept.amountblocks_payment1.7%0%facilitator.fetchblocks_payment1.7%0%redirectblocks_payment1.7%0%facilitator.supportedblocks_payment0%27.1%mcp.parityclient_specific13.6%30.5%accept.v1fieldsclient_specific0%11.9%consistency.acceptsclient_specific0%10.2%version.headerclient_specific0%8.5%blocks_payment stops settlement for typical clients. client_specific breaks some clients (for example MCP-only buyers). cosmetic does not block payment.
Check your own URL
POST a public endpoint URL to /api/x402-lint for $0.01 USDC. Returns PASS/WARN/FAIL with the same impact tags used above.