{"uid":"cap_pzt4Aigx4yIko5VggiuWs","slug":"does-site-use-posthog-70606b7b","name":"does-site-use-posthog","description":"Does a website use PostHog? Fetches the page (homepage for a bare domain) and matches PostHog's fingerprints in the HTML and response headers, returning yes/no with the evidence snippet and the category (analytics). Technographics for sales, competitor research and migration planning, one technology per call. $0.01 per check.","url":"https://site.intel.rallylive.ca/site/uses/posthog?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_ircVBmsmU27Q07B5k76Fe","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 website uses PostHog analytics by scanning its homepage HTML and response headers for PostHog fingerprints, returning yes/no with evidence.","exampleAgentPrompt":"Can you check if linear.app uses PostHog analytics — I want to know if they've adopted it before I pitch them a migration to a competing tool?","exampleUseCases":[{"title":"Competitor analytics stack research","prompt":"Does Vercel's website use PostHog? I'm doing a competitive analysis of which dev-tools companies have adopted it."},{"title":"Sales prospecting for PostHog alternatives","prompt":"Check whether acme-corp.com has PostHog installed — I'm reaching out to companies already using PostHog analytics to offer them a migration to our platform."},{"title":"Pre-migration audit of current stack","prompt":"Before we start planning our migration away from PostHog, can you confirm that our site startupxyz.com actually still has PostHog running on it?"}],"resultDescription":"Returns a yes/no answer indicating whether PostHog is detected on the site, along with an evidence snippet (matching HTML or header content that triggered the fingerprint match) and a technology category label ('analytics').","failureModes":["Domain is unreachable or returns non-200 status — endpoint may return no-match or an error","Website uses server-side rendering or heavy JS obfuscation that hides PostHog initialization from static HTML scan","PostHog loaded via a custom proxy or renamed bundle may evade fingerprint matching","Rate limits or bot protection on the target site may block the fetch","Bare domain redirects to a subdomain that isn't scanned"],"whenToPreferThis":"Use this endpoint when you need a lightweight, single-domain check specifically for PostHog technology presence — ideal for sales prospecting, competitive technographic research, or verifying PostHog deployment before or after a migration. Prefer the bulk sibling endpoint if checking more than one domain at a time.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T19:00:48.947Z","isFirstParty":false,"canonicalSlug":"does-site-use-posthog-70606b7b"}