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Duo Data Utilities

Parse and canonicalise a URL, and extract its registrable domain using the Public Suffix List — the part an agent needs to decide whether two URLs belong to the same owner. Returns scheme, host, port, path, decoded query parameters and frag

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
54 ms
Price
$0.050 per call
Paying buyers, last 30 days
1 (directory's own records)
Paid calls, last 30 days
2
Category
DNS and domains
Address
https://api.duoleads.com/v1/code/url

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/d127c275df84.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].