{"uid":"cap_6GYFomFc7BC3KIalhljzg","slug":"url-preflight-check-4e65512c","name":"URL Preflight Check","description":"Fast deterministic check that a public URL is alive: HTTP status, redirects, content-type, size, and title. Built for agent workflows before paying for deeper crawls.","url":"https://agent.kihustle.tech/services/url-preflight/jobs","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","description":"Public https URL to preflight"}}},"responseSchema":{"type":"json","example":{"alive":true,"bytes":12500,"title":"Example Domain","job_id":"job_example","status":"completed","service":"url-preflight","sources":[{"url":"https://example.com/","note":"preflight"}],"summary":"URL alive (HTTP 200); no redirect; title=set. Preflight complete for agent workflow gating.","final_url":"https://example.com/","next_jobs":[{"url":"https://agent.kihustle.tech/services/aeo-readiness/jobs","why":"Deeper agent-surface / AEO readiness audit","service_id":"aeo-readiness"}],"redirected":false,"issue_codes":[],"limitations":["Single GET; no JS render; private IPs blocked."],"status_code":200,"content_type":"text/html","generated_at":"2026-01-01T00:00:00+00:00"}},"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_nYtpsPsXSIbaRrBh_qUfn","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":"Performs a fast, deterministic HTTP check on a public URL returning status code, redirect chain, content-type, response size, and page title before committing to deeper crawls.","exampleAgentPrompt":"Before we start scraping, do a quick preflight check on https://example.com/landing-page — I just need to know if it's alive, what status code it returns, whether it redirects anywhere, and what the content-type and page title are.","exampleUseCases":[{"title":"Pre-crawl URL viability check","prompt":"I have a list of URLs I want to crawl — before spending money on full scrapes, can you run a preflight check on https://shop.acme.de to confirm it's live, see what HTTP status it returns, and check if it redirects?"},{"title":"Broken link detection in outreach","prompt":"I'm about to send outreach emails with a link to https://promo.mybrand.com — can you quickly verify that URL is actually up, returning a 200, and the page title looks right before we blast it out?"},{"title":"Content-type gating before parsing","prompt":"Before I try to parse https://data.someagency.gov/export as HTML, can you do a preflight check to confirm what content-type it actually serves and whether it's reachable at all?"}],"resultDescription":"Returns HTTP status code, any redirect chain (intermediate and final URLs), content-type header, response body size in bytes, and extracted page title — all from a single lightweight HEAD/GET probe of the target URL.","failureModes":["URL is unreachable or times out — returns error status and no content metadata","URL returns non-2xx status (e.g. 404, 403, 500) — status code returned but content fields may be empty","Malformed or non-public URL provided — likely returns validation error","URL is behind authentication or firewall — may return 401/403 with no content","Redirect loop detected — may return error or partial redirect chain"],"whenToPreferThis":"Use this endpoint as a cheap gate ($0.01) before investing in deeper, more expensive crawls or content extraction. Ideal when you need to confirm a URL is alive, check its final destination after redirects, or gate on content-type before attempting to parse. Choose this over full scraping endpoints when you only need HTTP-level metadata and don't need page content or structured extraction.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:50:16.077Z","isFirstParty":false}