{"uid":"cap_GFRhTgxdJGxg1GSSf3UYL","slug":"saylor-innovations-http-health-check-f175bc24","name":"Saylor Innovations HTTP Health Check","description":"HTTP health check for any URL - up or down, status code, latency, redirects and server header","url":"https://saylorinnovations.com/api/page/health?utm_source=zero.xyz","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","description":"public http(s) URL (query)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["found","up"],"properties":{"up":{"type":"boolean"},"url":{"type":["string","null"],"description":"Canonical URL"},"found":{"type":"boolean","description":"True when the lookup matched a record"},"server":{"type":["string","null"],"description":"Server software reported"},"final_url":{"type":["string","null"],"description":"Final URL"},"checked_at":{"type":["string","null"],"description":"Time the check was run (UTC)"},"latency_ms":{"type":["number","null"],"description":"Response time in milliseconds"},"http_status":{"type":["number","null"],"description":"HTTP status code returned"},"content_type":{"type":["string","null"],"description":"HTTP content type of the response"},"redirect_chain":{"type":["array","null"],"description":"Redirect chain"},"redirect_count":{"type":["number","null"],"description":"Number of redirect"}}}}}}},"responseSchema":null,"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":"unknown","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_CJPcsrgxK4rfxDV3tgVm8","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":"Checks whether a given public URL is up or down, returning HTTP status code, latency, redirect chain, and server header","exampleAgentPrompt":"Can you do a GET health check on https://api.example.com and tell me if it's up, what the HTTP status code is, how long it took to respond, and whether it redirects anywhere?","exampleUseCases":[{"title":"Pre-deploy dependency check","prompt":"Before we deploy, can you verify that https://payments.stripe.com is up and responding with a 200 — and tell me the latency?"},{"title":"Redirect chain investigation","prompt":"I need to know if https://myoldsite.com redirects correctly — can you probe it with a GET and show me the full redirect chain and the final URL it lands on?"},{"title":"Third-party API uptime alert","prompt":"Check whether https://api.openai.com is currently reachable via GET and let me know the status code, response time, and what server header it returns."}],"resultDescription":"Returns a JSON object indicating whether the URL is up (boolean), the HTTP status code, response latency in milliseconds, number of redirects, the full redirect chain, the final resolved URL, the server software header, content type, and the UTC timestamp of the check.","failureModes":["URL is not a valid public http(s) address — returns found:false","Target host is unreachable or DNS fails — up:false with null status fields","Request times out before a response is received — up:false with null latency","Missing required 'url' query parameter — request validation error","Non-public or private IP URLs may be rejected"],"whenToPreferThis":"Use this endpoint when you need a lightweight, on-demand HTTP health probe for any public URL without setting up your own monitoring infrastructure. It is ideal for pre-flight checks before workflows that depend on external APIs, spot-checking third-party service availability, or inspecting redirect behavior and server metadata. Prefer this over full uptime monitoring services when you just need a single synchronous check rather than continuous polling.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T06:38:49.165Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-http-health-check-f175bc24"}