{"uid":"cap_l6q0nMZ2GHsJRP8x2RJg-","slug":"agent-web-tools-url-health-check-30dfcf3b","name":"Agent Web Tools – URL Health Check","description":"Pay-per-call web utilities for AI agents. No account, no API key: pay per request in USDC via x402.","url":"https://agent-web-tools.agent-web-tools.workers.dev/v1/check?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"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"up":true,"url":"https://example.com","https":true,"title":"Example Domain","server":"cloudflare","status":200,"finalUrl":"https://example.com/","checkedAt":"2026-10-14T00:00:00.000Z","latencyMs":120,"redirects":[],"contentType":"text/html"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1NI7aI8_PKWUxPGHUUrST","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a public URL is reachable, returning HTTP status, latency, redirects, TLS, title, and server metadata","exampleAgentPrompt":"Can you check if https://api.myservice.com/health is currently up, how fast it responds, and whether it redirects anywhere?","exampleUseCases":[{"title":"Broken link detection before publish","prompt":"Before I publish this blog post, can you check that https://docs.openai.com/api-reference is reachable and returning a 200?"},{"title":"Monitoring third-party dependency uptime","prompt":"Check whether https://stripe.com/docs is up right now and tell me the response time and any redirects it goes through."},{"title":"Validating a newly deployed service","prompt":"I just deployed my app — can you verify that https://app.mycompany.com is live, uses HTTPS, and what HTTP status it returns?"}],"resultDescription":"A JSON object indicating whether the URL is up (boolean), its HTTP status code, final URL after redirects, latency in milliseconds, redirect chain, page title, server header, content type, HTTPS flag, and the timestamp the check was performed.","failureModes":["Non-public or internal URLs may be unreachable from the checker's network","Very slow targets may cause timeout with no latency data","Malformed or non-http(s) URLs will likely return an error","Sites blocking cloud/proxy IPs may return unexpected status codes","DNS resolution failures for non-existent domains"],"whenToPreferThis":"Use this endpoint when you need a quick, lightweight liveness or reachability check for any public HTTP/HTTPS URL without setting up an account or long-term monitoring subscription. Ideal for one-off checks in agent workflows, validating links before sharing, or spot-checking third-party dependencies. Pay-per-call via USDC means no commitment required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T06:39:29.508Z","isFirstParty":false,"canonicalSlug":"agent-web-tools-url-health-check-30dfcf3b"}