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does-site-use-hcaptcha
x402
does-site-use-hcaptcha is a paid API for AI agents from site.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-18).
Checks whether a given website uses hCaptcha by fetching the page and matching hCaptcha fingerprints in the HTML and response headers, returning a yes/no result with evidence snippet.
Price / call$0.01
Success—
StatusUnknown
How this service works
Does a website use hCaptcha? Fetches the page (homepage for a bare domain) and matches hCaptcha's fingerprints in the HTML and response headers, returning yes/no with the evidence snippet and the category (security). Technographics for sales, competitor research and migration planning, one technology per call. $0.01 per check.
Output
Returns a yes/no boolean indicating whether the site uses hCaptcha, along with an evidence snippet from the HTML or response headers that triggered the match, and the technology category (security).
Example use cases
Competitor security stack research
“I'm doing competitive research on our top 10 rivals — can you check which of them use hCaptcha? Start with shopify.com.”
Sales prospecting for hCaptcha alternatives
“I'm building a prospect list of companies currently using hCaptcha so we can pitch them our alternative CAPTCHA solution — can you check if notion.so uses hCaptcha?”
Pre-migration CAPTCHA audit
“We're about to migrate our CAPTCHA provider and I need to confirm our staging site at staging.myapp.com is still running hCaptcha — can you verify that for me?”
Technical details
Endpoint
GEThttps://site.intel.rallylive.ca/site/uses/hcaptcha?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a lightweight, low-cost ($0.01) single-technology check specifically for hCaptcha presence on a website. Prefer it over general-purpose web crawlers or full technographic platforms when you need a fast yes/no answer with evidence, without paying for a full technology stack report. Ideal for high-volume sales prospecting, competitor audits, or pre-migration validation where hCaptcha is the specific technology of interest.
Side effects
- Site is unreachable or returns a non-200 status — detection cannot be performed
- Site uses JavaScript-rendered hCaptcha that requires a browser runtime — HTML-only fetch may miss it
- Domain resolves but returns a redirect loop or bot-blocking page — incomplete fingerprint data
- Invalid or malformed domain provided — request fails with an error
- hCaptcha loaded via a third-party tag manager — may not appear in raw HTML
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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