{"slug":"machinemint-native-x402-production-up-railway-app-v1-ba-29e5ee0b","name":"machinemint-native-x402-production.up.railway.app/v1/base-preflight","summary":"Check an unsigned Base mainnet transaction before signing or broadcasting. Simulates with eth_call, estimates gas, checks sender balance and target bytecode, decodes supported token transfers and approvals, flags unlimited approvals and suspicious transaction shapes, and returns PASS, REVIEW, or FAIL. Never signs or broadcasts.","status":"live","indexable":true,"listed_since":"2026-10-25T17:52:57.719262Z","sources":[{"source":"x402_bazaar","external_id":"https://machinemint-native-x402-production.up.railway.app/v1/base-preflight","owner_address":"0xe43e47dd6b779fe9e591586a3e1cba00c2f36c80","seen_at":"2026-10-30T18:39:32.825640Z","removed_at":null}],"endpoints":[{"url":"https://machinemint-native-x402-production.up.railway.app/v1/base-preflight","host":"machinemint-native-x402-production.up.railway.app","protocol":"x402","state":"live","last_probe_at":"2026-10-31T00:45:21.585320Z","last_ok_at":"2026-10-31T00:45:21.585320Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"machinemint-native-x402-production-up-railway-app-8e8a4427","name":"machinemint-native-x402-production.up.railway.app"}],"payment_options":[{"endpoint_url":"https://machinemint-native-x402-production.up.railway.app/v1/base-preflight","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"10000","pay_to":"0xe43e47dd6b779fe9e591586a3e1cba00c2f36c80","observed_at":"2026-10-31T00:45:21.585320Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":6,"paid_calls_30d":7,"last_paid_at":"2026-10-23T23:32:59.211Z","reported_at":"2026-10-30T18:39:32.825640Z"},"assessment":{"method":"2026.10.2","checks":[{"id":"answers","state":"pass","reason":"Answered a check 9 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 5 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"6 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":"2026-10-31T00:25:58.480147Z"},"identity":{"endpoint_domains":["machinemint-native-x402-production.up.railway.app"],"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."}