Vellium & Co

Directory › DNS and domains › api.x-402.online

api.x-402.online

Trace the redirect chain of a URL to its final destination without downloading page bodies: every hop with its status code, time and Location header, the final URL, whether the domain changed, and loop detection. Useful before trusting a sh

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
112 ms
Price
$0.005 per call
Paying buyers, last 30 days
3 (directory's own records)
Paid calls, last 30 days
4
Category
DNS and domains
Address
https://api.x-402.online/v1/url/unwrap

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/67d6f2ad3291.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].