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does-site-use-auth0
x402
does-site-use-auth0 is a paid API for AI agents from site.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-11).
Detects whether a website uses Auth0 by fingerprinting its homepage HTML and response headers, returning a yes/no result with supporting evidence.
Price / call$0.01
Success—
StatusUnknown
How this service works
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.
Output
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').
Example use cases
Competitor auth stack research
“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.”
Sales lead qualification for Auth0 migration
“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?”
Pre-acquisition tech due diligence
“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.”
Technical details
Endpoint
GEThttps://site.intel.rallylive.ca/site/uses/auth0?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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