{"slug":"sitecheck-311c43ba","name":"SiteCheck","summary":"Checks the check digit and structure of an identifier with no network call: ISBN-10 and ISBN-13 (with ISBN-10 to 13 conversion), EAN-8, UPC-A, EAN-13 and GTIN-14 (with the GS1 prefix country), VIN (manufacturer code, region, model year), IMEI, ISIN (country) and a generic Luhn number. type=auto detects the type. Up to 50 comma-separated values give a results array.","status":"live","indexable":true,"listed_since":"2026-10-25T17:51:18.577545Z","sources":[{"source":"x402_bazaar","external_id":"https://api.sitecheck-api.workers.dev/api/validate","owner_address":"0xb8491f953e6860d3b5840b73c60883ff099ceafa","seen_at":"2026-10-27T21:41:52.238712Z","removed_at":null}],"endpoints":[{"url":"https://api.sitecheck-api.workers.dev/api/validate","host":"api.sitecheck-api.workers.dev","protocol":"x402","state":"live","last_probe_at":"2026-10-27T19:36:04.700028Z","last_ok_at":"2026-10-27T19:36:04.700028Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"api-sitecheck-api-workers-dev-a7da1efc","name":"api.sitecheck-api.workers.dev"}],"payment_options":[{"endpoint_url":"https://api.sitecheck-api.workers.dev/api/validate","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"2000","pay_to":"0xb8491f953e6860d3b5840b73c60883ff099ceafa","observed_at":"2026-10-27T19:36:04.700028Z"},{"endpoint_url":"https://api.sitecheck-api.workers.dev/api/validate","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","rail":"exact","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","coin":"USDC","asset_label":null,"amount":"2000","pay_to":"J8vnmBx4pS1X7UUBTfz1yWBKiw69Dj2yRGRHDaXBRdhR","observed_at":"2026-10-27T19:36:04.700028Z"},{"endpoint_url":"https://api.sitecheck-api.workers.dev/api/validate","network":"eip155:5042","scheme":"exact","rail":"exact","asset":"0x3600000000000000000000000000000000000000","coin":"USDC","asset_label":"USDC","amount":"2000","pay_to":"0xb8491f953e6860d3b5840b73c60883ff099ceafa","observed_at":"2026-10-27T19:36:04.700028Z"},{"endpoint_url":"https://api.sitecheck-api.workers.dev/api/validate","network":"eip155:137","scheme":"exact","rail":"exact","asset":"0x3c499c542cef5e3811e1192ce70d8cc03d5c3359","coin":"USDC","asset_label":"USD Coin","amount":"2000","pay_to":"0xb8491f953e6860d3b5840b73c60883ff099ceafa","observed_at":"2026-10-27T19:36:04.700028Z"},{"endpoint_url":"https://api.sitecheck-api.workers.dev/api/validate","network":"eip155:42161","scheme":"exact","rail":"exact","asset":"0xaf88d065e77c8cc2239327c5edb3a432268e5831","coin":"USDC","asset_label":"USD Coin","amount":"2000","pay_to":"0xb8491f953e6860d3b5840b73c60883ff099ceafa","observed_at":"2026-10-27T19:36:04.700028Z"},{"endpoint_url":"https://api.sitecheck-api.workers.dev/api/validate","network":"eip155:143","scheme":"exact","rail":"exact","asset":"0x754704bc059f8c67012fed69bc8a327a5aafb603","coin":null,"asset_label":"USDC","amount":"2000","pay_to":"0xb8491f953e6860d3b5840b73c60883ff099ceafa","observed_at":"2026-10-27T19:36:04.700028Z"},{"endpoint_url":"https://api.sitecheck-api.workers.dev/api/validate","network":"eip155:480","scheme":"exact","rail":"exact","asset":"0x79a02482a880bce3f13e09da970dc34db4cd24d1","coin":"USDC","asset_label":"USDC","amount":"2000","pay_to":"0xb8491f953e6860d3b5840b73c60883ff099ceafa","observed_at":"2026-10-27T19:36:04.700028Z"},{"endpoint_url":"https://api.sitecheck-api.workers.dev/api/validate","network":"eip155:10","scheme":"exact","rail":"exact","asset":"0x0b2c639c533813f4aa9d7837caf62653d097ff85","coin":"USDC","asset_label":"USD Coin","amount":"2000","pay_to":"0xb8491f953e6860d3b5840b73c60883ff099ceafa","observed_at":"2026-10-27T19:36:04.700028Z"},{"endpoint_url":"https://api.sitecheck-api.workers.dev/api/validate","network":"eip155:42220","scheme":"exact","rail":"exact","asset":"0xceba9300f2b948710d2653dd7b07f33a8b32118c","coin":"USDC","asset_label":"USDC","amount":"2000","pay_to":"0xb8491f953e6860d3b5840b73c60883ff099ceafa","observed_at":"2026-10-27T19:36:04.700028Z"},{"endpoint_url":"https://api.sitecheck-api.workers.dev/api/validate","network":"stellar:pubnet","scheme":"exact","rail":"exact","asset":"CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75","coin":null,"asset_label":null,"amount":"20000","pay_to":"GBIX2M7HNL2G2VYU5KZ446OSN55ZWHS3WBEUP4JTLS6R34VXIGTDOAFI","observed_at":"2026-10-27T19:36:04.700028Z"},{"endpoint_url":"https://api.sitecheck-api.workers.dev/api/validate","network":"xrpl:0","scheme":"exact","rail":"exact","asset":"524C555344000000000000000000000000000000","coin":null,"asset_label":null,"amount":null,"pay_to":"rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ","observed_at":"2026-10-27T19:36:04.700028Z"},{"endpoint_url":"https://api.sitecheck-api.workers.dev/api/validate","network":"xrpl:0","scheme":"exact","rail":"exact","asset":"XRP","coin":null,"asset_label":null,"amount":"1515","pay_to":"rDxNZCDfLxUzeMWGGwsY3sjQT8eoZCf8UJ","observed_at":"2026-10-27T19:36:04.700028Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":3,"paid_calls_30d":5,"last_paid_at":"2026-10-25T08:11:39.661Z","reported_at":"2026-10-27T21:41:52.238712Z"},"assessment":{"method":"2026.10.2","checks":[{"id":"answers","state":"pass","reason":"Answered a check 5 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 2 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"3 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":"2026-10-28T00:42:36.765063Z"},"identity":{"endpoint_domains":["sitecheck-api.workers.dev"],"proven_domains":[],"proven_wallets":[],"namesakes":[{"slug":"site-check-a1d5a1a0","name":"Site Check","proven_domain":"modernmustardseed.com"},{"slug":"sitecheck-9b857b68","name":"sitecheck","proven_domain":"79-108-224-31.sslip.io"},{"slug":"sitecheck-f11c09a0","name":"SiteCheck","proven_domain":null},{"slug":"sitecheck-0eb5bbdc","name":"SiteCheck","proven_domain":null},{"slug":"sitecheck-b03d6294","name":"SiteCheck","proven_domain":null},{"slug":"sitecheck-da772fcf","name":"SiteCheck","proven_domain":null},{"slug":"sitecheck-2a71265f","name":"SiteCheck","proven_domain":null},{"slug":"sitecheck-a028cb0b","name":"SiteCheck","proven_domain":null},{"slug":"sitecheck-45d21fba","name":"SiteCheck","proven_domain":null},{"slug":"sitecheck-fb497b77","name":"SiteCheck","proven_domain":null}],"namesake_count":227,"identity_checks":[],"wallet_attestations":[],"human_backings":[]},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}