{"slug":"checkpoint402-tx-explainer-b2967979","name":"Checkpoint402 Tx Explainer","summary":"Explains any Base or Ethereum transaction in plain English: who sent what to whom, which tokens/NFTs moved, the function called, success/failure and fee — plus the structured decoded data.","status":"live","indexable":true,"listed_since":"2026-10-25T17:52:37.595842Z","sources":[{"source":"x402_bazaar","external_id":"https://api.checkpoint402.com/v1/tx-explain","owner_address":"0x739e2381939f558046e6041e1853b49b8033db6e","seen_at":"2026-10-28T09:12:42.777254Z","removed_at":null}],"endpoints":[{"url":"https://api.checkpoint402.com/v1/tx-explain","host":"api.checkpoint402.com","protocol":"x402","state":"live","last_probe_at":"2026-10-28T10:41:45.320996Z","last_ok_at":"2026-10-28T10:41:45.320996Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"api-checkpoint402-com-f9d04c47","name":"api.checkpoint402.com"}],"payment_options":[{"endpoint_url":"https://api.checkpoint402.com/v1/tx-explain","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"30000","pay_to":"0x739e2381939f558046e6041e1853b49b8033db6e","observed_at":"2026-10-28T10:41:45.320996Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":3,"paid_calls_30d":4,"last_paid_at":"2026-10-23T23:31:18.919Z","reported_at":"2026-10-28T09:12:42.777254Z"},"assessment":{"method":"2026.10.2","checks":[{"id":"answers","state":"pass","reason":"Answered a check 3 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":"2026-10-28T00:42:21.183791Z"},"identity":{"endpoint_domains":["checkpoint402.com"],"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."}