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does-site-use-klaviyo
x402
does-site-use-klaviyo 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 Klaviyo email-marketing technology by fingerprinting its HTML and response headers, returning a yes/no result with evidence.
Price / call$0.01
Success—
StatusUnknown
How this service works
Does a website use Klaviyo? Fetches the page (homepage for a bare domain) and matches Klaviyo's fingerprints in the HTML and response headers, returning yes/no with the evidence snippet and the category (email-marketing). Technographics for sales, competitor research and migration planning, one technology per call. $0.01 per check.
Output
Returns a yes/no boolean indicating whether Klaviyo is detected on the target site, along with a snippet of evidence from the HTML or response headers that triggered the match, and the technology category label (email-marketing).
Example use cases
Sales prospect email stack lookup
“Before I reach out to shopify-store-example.com, can you check if they're already using Klaviyo? I want to know if they're a warm lead for our email migration service.”
Competitor martech research
“I'm putting together a competitive analysis — can you check whether glossier.com has Klaviyo installed on their site?”
Pre-migration technographic audit
“We're pitching a migration project to this client — can you confirm whether their site at brandnewbrand.com is currently running Klaviyo so we know what we're moving them off of?”
Technical details
Endpoint
GEThttps://site.intel.rallylive.ca/site/uses/klaviyo?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, inexpensive ($0.01) single-technology check for Klaviyo specifically on a given domain. Prefer this over broad technographic scraping tools when you only need to confirm Klaviyo presence for sales qualification, competitor research, or migration planning. If you need to check multiple technologies at once, consider using sibling endpoints in sequence or looking for a bulk variant.
Side effects
- Domain does not resolve or is unreachable — returns error or no-match
- Site blocks crawlers via robots.txt or firewall — may return false negative
- Klaviyo loaded client-side via JavaScript after page load — may not be detected from static HTML
- Invalid or malformed domain input — returns an error
- Site uses Klaviyo on inner pages but not homepage — false negative possible
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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