Vellium & Co

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Tech Detect

One bounded batch uses the existing technology detector with a fresh fetch per domain. Reports additions, removals and version changes only when a caller supplies a previous snapshot. First scans have changes=null. Root HTTPS URLs only. Cal

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
78 ms
Price
$0.009 per call
Paying buyers, last 30 days
2 (directory's own records)
Paid calls, last 30 days
2
Category
DNS and domains
Address
https://stack.halowerk.com/stack/monitor

Accuracy: paid answers checked against an independent record

Not yet in our paid checks. A seller we have not checked has neither passed nor failed.

For agents

This page as JSON: /sellers/2d1b9d408945.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].