{"slug":"aiskills402-base-receipt-c5703bc0","name":"AISkills402: Base Receipt","summary":"Base Receipt Verify API: checks on Base mainnet that a transaction really paid USDC to an address - status, transfer, amount, payer and EIP-3009 nonce from the chain logs, never from the relayer. Base mainnet USDC only. $0.005 USDC per check, a live measurement. POST JSON {tx, pay_to, amount_micro?, from?, nonce?}; free example at https://api.aiskills402.com/v1/run/base-receipt-verify/example","status":"live","indexable":true,"listed_since":"2026-10-25T17:51:16.564647Z","sources":[{"source":"x402_bazaar","external_id":"https://api.aiskills402.com/v1/run/base-receipt-verify","owner_address":"0x8e37022edcf0f21cf3c9f93fee9d4d32519f36f4","seen_at":"2026-10-26T22:03:22.666146Z","removed_at":null}],"endpoints":[{"url":"https://api.aiskills402.com/v1/run/base-receipt-verify","host":"api.aiskills402.com","protocol":"x402","state":"live","last_probe_at":"2026-10-26T07:05:23.272502Z","last_ok_at":"2026-10-26T07:05:23.272502Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"api-aiskills402-com-62d86cc3","name":"api.aiskills402.com"}],"payment_options":[{"endpoint_url":"https://api.aiskills402.com/v1/run/base-receipt-verify","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"5000","pay_to":"0x8e37022edcf0f21cf3c9f93fee9d4d32519f36f4","observed_at":"2026-10-26T07:05:23.272502Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":3,"paid_calls_30d":4,"last_paid_at":"2026-10-25T11:08:16.015Z","reported_at":"2026-10-26T22:03:22.666146Z"},"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":"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":"2026-10-26T14:48:35.813203Z"},"identity":{"endpoint_domains":["aiskills402.com"],"proven_domains":[],"proven_wallets":[],"namesakes":[],"namesake_count":0,"identity_checks":[],"wallet_attestations":[]},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}