{"uid":"cap_cGTIvutH0eCTzmHRM3rka","slug":"does-site-use-auth0-5b1c11d9","name":"does-site-use-auth0","description":"Does a website use Auth0? Fetches the page (homepage for a bare domain) and matches Auth0's fingerprints in the HTML and response headers, returning yes/no with the evidence snippet and the category (auth). Technographics for sales, competitor research and migration planning, one technology per call. $0.01 per check.","url":"https://site.intel.rallylive.ca/site/uses/auth0?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_T5TS3Z3gqGuOjFZ7mVXOx","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":"Detects whether a website uses Auth0 by fingerprinting its homepage HTML and response headers, returning a yes/no result with supporting evidence.","exampleAgentPrompt":"Can you check if stripe.com uses Auth0 for authentication? I want to know if they rely on it and see what evidence was found on their homepage.","exampleUseCases":[{"title":"Competitor auth stack research","prompt":"I'm doing competitive research — can you check if our main competitor, notion.so, uses Auth0? I want to know their authentication setup before our sales call."},{"title":"Sales lead qualification for Auth0 migration","prompt":"We sell Auth0 migration services. Can you check if acme.com is currently using Auth0 so we know whether to pitch them an upgrade or a switch?"},{"title":"Pre-acquisition tech due diligence","prompt":"We're evaluating acquiring a startup at startup.io — can you tell me if their site uses Auth0? I need to understand their identity infrastructure before we proceed."}],"resultDescription":"Returns a yes/no boolean indicating whether Auth0 was detected on the site, along with an evidence snippet from the HTML or response headers that triggered the match, and the technology category label ('auth').","failureModes":["Domain does not resolve or is unreachable — fetch fails with no result","Site blocks automated requests (bot protection) — may return false negative","Auth0 loaded client-side via JavaScript after page load — not detectable via static HTML fetch","Server-side Auth0 usage with no frontend fingerprints — false negative","Invalid or malformed domain input — error response","Rate limiting by target server — incomplete fetch"],"whenToPreferThis":"Use this endpoint when you need a fast, cheap ($0.01) single-domain check to determine Auth0 usage for sales prospecting, competitor research, or migration planning. It is purpose-built for Auth0 specifically, so prefer it over generic tech-stack detectors when you only care about Auth0. For bulk checks across many domains, use the corresponding bulk sibling endpoint instead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:45:11.124Z","isFirstParty":false,"canonicalSlug":"does-site-use-auth0-5b1c11d9"}