{"uid":"cap_G1aw0Hdm85J9cqXwXaM74","slug":"sentinel-url-consensus-checker-a2a9febb","name":"Sentinel URL Consensus Checker","description":"Four-region consensus check of a URL","url":"https://sentinel.rootstuff.io/x402/check","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","description":"The http(s) URL to probe. Public hosts only; private and reserved addresses are refused."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YU9BpGiBffNMkl_n8QqZH","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs a four-region distributed consensus probe on a URL to verify its reachability and behavior","exampleAgentPrompt":"Can you run a four-region consensus check on https://api.example.com/health to see if it's reachable globally?","exampleUseCases":[{"title":"Global site outage diagnosis","prompt":"My users in different countries are saying my site is down — can you do a consensus check on https://mystore.example.com to see if it's actually unreachable from multiple regions?"},{"title":"Pre-launch API endpoint validation","prompt":"Before we go live, can you probe https://api.newproduct.io/v1/status from multiple regions to confirm it's consistently accessible everywhere?"},{"title":"Third-party dependency availability check","prompt":"We depend on https://payments.thirdparty.com/ping — can you run a multi-region check to verify it's up and responding consistently right now?"}],"resultDescription":"A consensus result from four geographic regions indicating whether the URL is reachable and consistent, including per-region probe outcomes and an overall availability verdict.","failureModes":["Private or reserved IP addresses are refused with an error","Malformed or non-HTTP/HTTPS URLs are rejected","Target host may time out in one or more regions, affecting consensus","URL may be reachable in some regions but not others, resulting in split consensus","Rate limiting or payment failure may block the request"],"whenToPreferThis":"Choose this endpoint when you need a geographically distributed, multi-region view of URL availability rather than a single-point ping. It is ideal for diagnosing whether a site is down globally versus locally, validating public endpoints before launch, or checking third-party dependency health from a consensus perspective.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:49:57.304Z","isFirstParty":false}