{"slug":"hcrb-in-v1-tools-ein-format-check-call-a901af6d","name":"hcrb.in/v1/tools/ein-format-check/call","summary":"Validate US Employer Identification Number FORMAT (NN-NNNNNNN). Use during US business counterparty KYB verification. Returns signed XDR-1 receipt.","status":"live","headings":[],"indexable":true,"listed_since":"2026-10-26T14:57:34.799108Z","sources":[{"source":"x402_bazaar","external_id":"https://hcrb.in/v1/tools/ein-format-check/call","owner_address":"0xc59c85e661d34084a7769f955d17fd38254a6235","seen_at":"2026-11-14T10:30:21.306831Z","removed_at":null}],"endpoints":[{"url":"https://hcrb.in/v1/tools/ein-format-check/call","host":"hcrb.in","protocol":"x402","state":"live","last_probe_at":"2026-11-14T23:52:12.377084Z","last_ok_at":"2026-11-14T23:52:12.377084Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"hcrb-in-c6832d6e","name":"hcrb.in"}],"payment_options":[{"endpoint_url":"https://hcrb.in/v1/tools/ein-format-check/call","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"10000","pay_to":"0xc59c85e661d34084a7769f955d17fd38254a6235","observed_at":"2026-11-14T23:52:12.377084Z"},{"endpoint_url":"https://hcrb.in/v1/tools/ein-format-check/call","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x60a3e35cc302bfa44cb288bc5a4f316fdb1adb42","coin":"EURC","asset_label":"EURC","amount":"10000","pay_to":"0xc59c85e661d34084a7769f955d17fd38254a6235","observed_at":"2026-11-14T23:52:12.377084Z"},{"endpoint_url":"https://hcrb.in/v1/tools/ein-format-check/call","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","rail":"exact","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","coin":"USDC","asset_label":null,"amount":"10000","pay_to":"AY3ZWZ5rEJ2RgMorWguxZ86jjbCxuVgvkoB8ThT3N5uC","observed_at":"2026-11-14T23:52:12.377084Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":2,"paid_calls_30d":2,"last_paid_at":"2026-10-27T01:59:15.998Z","reported_at":"2026-11-14T10:30:21.306831Z"},"assessment":{"method":"2026.11.4","checks":[{"id":"answers","state":"pass","reason":"Answered a check within the last hour."},{"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 19 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"2 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":"2026-11-15T00:41:06.678319Z"},"identity":{"endpoint_domains":["hcrb.in"],"proven_domains":[],"proven_wallets":[],"namesakes":[],"namesake_count":0,"identity_checks":[],"wallet_attestations":[],"human_backings":[]},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}