{"slug":"numberintel-dev-v1-attest-d86537d1","name":"numberintel.dev/v1/attest","summary":"Signed settlement attestation: we make a REAL x402 purchase from your target endpoint (up to $0.1), grade the delivered response against its advertised schema, and return an EIP-191-signed attestation embedding the on-chain USDC receipt. Proof-of-real-delivery for directories, reputation systems and sellers.","status":"live","indexable":true,"listed_since":"2026-10-25T17:53:16.891276Z","sources":[{"source":"x402_bazaar","external_id":"https://numberintel.dev/v1/attest","owner_address":"0x9a8dfbe7a11ee89dd59d80c93ab0efe00d5d5767","seen_at":"2026-10-26T18:19:24.761073Z","removed_at":null}],"endpoints":[{"url":"https://numberintel.dev/v1/attest","host":"numberintel.dev","protocol":"x402","state":"live","last_probe_at":"2026-10-26T07:48:00.393176Z","last_ok_at":"2026-10-26T07:48:00.393176Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"numberintel-dev-1e51781d","name":"numberintel.dev"}],"payment_options":[{"endpoint_url":"https://numberintel.dev/v1/attest","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"250000","pay_to":"0x9a8dfbe7a11ee89dd59d80c93ab0efe00d5d5767","observed_at":"2026-10-26T07:48:00.393176Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":1,"paid_calls_30d":3,"last_paid_at":"2026-10-13T16:47:24.139Z","reported_at":"2026-10-26T18:19:24.761073Z"},"assessment":{"method":"2026.10.1","checks":[{"id":"answers","state":"pass","reason":"Answered a check 7 hours ago."},{"id":"owner","state":"fail","reason":"No one has proven control of its domain or of the wallet it is paid at."},{"id":"track_record","state":"fail","reason":"Listed for 0 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"1 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed."},{"id":"clean_scan","state":"not_applicable","reason":"Not an MCP server."}],"passed":1,"applicable":4,"contradicted":false,"computed_at":"2026-10-26T14:50:04.066237Z"},"identity":{"endpoint_domains":["numberintel.dev"],"proven_domains":[],"proven_wallets":[],"namesakes":[],"namesake_count":0,"identity_checks":[]},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}