{"slug":"quartermaster-http-check-1858f5f6","name":"Quartermaster HTTP Check","summary":"Liveness/latency pre-flight for a URL: is it up, HTTP status and class, response latency in ms, whether it redirects (and where), content-type and server.","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:15.917441Z","sources":[{"source":"x402_bazaar","external_id":"https://quartermaster.surewhynot.app/v1/http-check","owner_address":"0x5253666c40432f009ebd99908b9cd2a7fd1019cb","seen_at":"2026-10-26T05:59:05.592438Z","removed_at":null}],"endpoints":[{"url":"https://quartermaster.surewhynot.app/v1/http-check","host":"quartermaster.surewhynot.app","protocol":"x402","state":"live","last_probe_at":"2026-10-25T18:33:49.087121Z","last_ok_at":"2026-10-25T18:33:49.087121Z","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":8,"paid_calls_30d":12,"last_paid_at":"2026-10-26T00:16:51.637Z","reported_at":"2026-10-26T05:59:05.592438Z"},"notice":"Not affiliated with addrbook — claim or request removal."}