{"slug":"x402-security-audit-95e9e520","name":"x402 security audit","summary":"Grade any x402 seller's payment-security posture from the outside - a read-only black-box check mapped to the 'Five Attacks on x402' failure modes. Probes the URL's 402 challenge (never pays) and scores TLS transport, gated-response cache hygiene (Attack III / cache leakage), error/info-leak hygiene, and payment-terms well-formedness, then returns a letter grade with per-check findings and an honest note on what only insider/active testing can confirm.","status":"live","indexable":true,"listed_since":"2026-10-25T17:51:08.300326Z","sources":[{"source":"x402_bazaar","external_id":"https://agent402.tools/api/x402-audit","owner_address":"0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0","seen_at":"2026-10-26T05:59:31.572244Z","removed_at":null}],"endpoints":[{"url":"https://agent402.tools/api/x402-audit","host":"agent402.tools","protocol":"x402","state":"live","last_probe_at":"2026-10-25T22:10:09.539116Z","last_ok_at":"2026-10-25T22:10:09.539116Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"agent402-tools-4df46169","name":"agent402.tools"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":5,"paid_calls_30d":10,"last_paid_at":"2026-10-20T01:50:57.487Z","reported_at":"2026-10-26T05:59:31.572244Z"},"notice":"Not affiliated with addrbook — claim or request removal."}