{"uid":"cap_XPgqIlAUoe65d8tyUInEi","slug":"quietsignal-url-evidence-df0e6fd1","name":"QuietSignal URL Evidence","description":"QuietSignal Public Data: independent, read-only rollup, wallet, opportunity, and developer-data facts for agents, paid per request with USDC over HTTP 402 on Base.","url":"https://83-29-153-50.sslip.io/v1/url-evidence","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string","format":"uri","description":"Public HTTP(S) URL to inspect"},"max_redirects":{"type":"integer","maximum":5,"minimum":0,"description":"Maximum validated public redirects to follow"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"https":true,"schema":"url-evidence/v1","final_url":"https://example.com/","disclaimer":"Public URL response evidence only; not a security audit or uptime guarantee.","status_code":200,"requested_url":"https://example.com/","redirect_count":0}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NuCD15wkLRs3DyZFKQwlW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches and returns machine-readable HTTP evidence (status code, final URL, redirect chain, HTTPS status) for any given public URL","exampleAgentPrompt":"Can you check if https://example.com/api/docs is live, whether it uses HTTPS, and where it finally lands after any redirects — following up to 3 hops?","exampleUseCases":[{"title":"Verify link before publishing","prompt":"Before I publish this blog post, can you check if https://partner-site.com/announcement is actually live, returns a 200, and is served over HTTPS?"},{"title":"Resolve shortened URL destination","prompt":"Can you follow https://bit.ly/3xAbc12 and tell me where it actually ends up — how many redirects it takes and what the final URL is?"},{"title":"Pre-flight check for API integration","prompt":"I'm about to integrate with https://api.thirdparty.io/v2/health — can you confirm it's reachable and returning a 200 before I write any code?"}],"resultDescription":"A JSON object containing: whether the URL uses HTTPS, the HTTP status code returned, the final resolved URL after redirects, the originally requested URL, the number of redirects followed, and a disclaimer noting this is response evidence only (not a security audit or uptime guarantee).","failureModes":["URL is not publicly accessible or behind authentication — may return non-200 status or connection error","Invalid or malformed URL input causes request rejection","Redirect count exceeds the specified max_redirects limit — stops following chain at that point","Private/internal IPs or localhost URLs may be rejected","DNS resolution failure for the given hostname","Payment failure over HTTP 402 prevents the request from being processed"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, independent, read-only verification of whether a public URL is reachable, what HTTP status it returns, and where it resolves after redirects — especially when you need a neutral third-party check rather than trusting self-reported uptime. It is ideal for pre-flight link validation, redirect chain resolution, and HTTPS confirmation without running a full security audit.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T19:26:21.957Z","isFirstParty":false}