{"slug":"base-contract-fb22c5d6","name":"base-contract","summary":"Contract introspection on Base mainnet - is it a contract, bytecode size, best-effort owner(), and whether it's a proxy.","status":"live","indexable":true,"listed_since":"2026-10-25T17:51:52.482868Z","sources":[{"source":"x402_bazaar","external_id":"https://x402.agentindex.world/base/contract","owner_address":"0xb3f32bdfe8d07825bc0d7387295ab1d7559ba69d","seen_at":"2026-10-26T17:12:26.402846Z","removed_at":null}],"endpoints":[{"url":"https://x402.agentindex.world/base/contract","host":"x402.agentindex.world","protocol":"x402","state":"live","last_probe_at":"2026-10-26T07:24:39.881839Z","last_ok_at":"2026-10-26T07:24:39.881839Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"x402-agentindex-world-04b92566","name":"x402.agentindex.world"}],"payment_options":[{"endpoint_url":"https://x402.agentindex.world/base/contract","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"5000","pay_to":"0xb3f32bdfe8d07825bc0d7387295ab1d7559ba69d","observed_at":"2026-10-26T07:24:39.881839Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":3,"paid_calls_30d":3,"last_paid_at":"2026-10-08T06:09:21.568Z","reported_at":"2026-10-26T17:12:26.402846Z"},"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":"2026-10-26T14:48:32.141524Z"},"identity":{"endpoint_domains":["agentindex.world"],"proven_domains":[],"proven_wallets":[],"namesakes":[],"namesake_count":0},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}