{"slug":"quartermaster-address-type-25fc05b0","name":"Quartermaster Address Type","summary":"Determine whether a Base address is a contract or an externally-owned account.","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:18.575606Z","sources":[{"source":"x402_bazaar","external_id":"https://quartermaster.surewhynot.app/v1/base/contract","owner_address":"0x5253666c40432f009ebd99908b9cd2a7fd1019cb","seen_at":"2026-10-26T05:59:06.131932Z","removed_at":null}],"endpoints":[{"url":"https://quartermaster.surewhynot.app/v1/base/contract","host":"quartermaster.surewhynot.app","protocol":"x402","state":"live","last_probe_at":"2026-10-25T19:30:59.663470Z","last_ok_at":"2026-10-25T19:30:59.663470Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"quartermaster-surewhynot-app-194d7400","name":"quartermaster.surewhynot.app"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":7,"paid_calls_30d":10,"last_paid_at":"2026-10-26T00:15:20.031Z","reported_at":"2026-10-26T05:59:06.131932Z"},"notice":"Not affiliated with addrbook — claim or request removal."}