{"slug":"agentshelf-syntexa-ch-v1-base-contract-info-19c041bd","name":"agentshelf.syntexa.ch/v1/base-contract-info","summary":"Call when an agent needs is_contract, bytecode size and hash, EIP-1967 proxy implementation, and owner() for one Base address. owner_renounced is true for the zero address or the dead address. An EOA is is_contract false. Read-only. Send JSON {\"address\":\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\"}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/base-contract-info first.","status":"live","indexable":true,"listed_since":"2026-10-25T17:57:20.261217Z","sources":[{"source":"x402_bazaar","external_id":"https://agentshelf.syntexa.ch/v1/base-contract-info","owner_address":"0x1d61faa032d3f40d9c470d2bf3a3f53de0e55a38","seen_at":"2026-10-28T09:20:47.910146Z","removed_at":null}],"endpoints":[{"url":"https://agentshelf.syntexa.ch/v1/base-contract-info","host":"agentshelf.syntexa.ch","protocol":"x402","state":"live","last_probe_at":"2026-10-28T03:42:54.221015Z","last_ok_at":"2026-10-28T03:42:54.221015Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"agentshelf-syntexa-ch-0a55f32e","name":"agentshelf.syntexa.ch"}],"payment_options":[{"endpoint_url":"https://agentshelf.syntexa.ch/v1/base-contract-info","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"5000","pay_to":"0x1d61faa032d3f40d9c470d2bf3a3f53de0e55a38","observed_at":"2026-10-28T03:42:54.221015Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":1,"paid_calls_30d":1,"last_paid_at":"2026-10-11T10:14:21.344Z","reported_at":"2026-10-28T09:20:47.910146Z"},"assessment":{"method":"2026.10.2","checks":[{"id":"answers","state":"pass","reason":"Answered a check 13 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":"1 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":"2026-10-28T00:47:16.270937Z"},"identity":{"endpoint_domains":["syntexa.ch"],"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."}