Look up domain registration facts via RDAP (registrar, status, dates, nameservers, DNSSEC). Use when you need live registry data and must not guess. Unregistered names return not_found.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://api.fetchx402.com/v1/tools/whois' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://api.fetchx402.com/v1/tools/whois'
Endpoint: https://api.fetchx402.com/v1/tools/whois. Operated by api.fetchx402.com, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.
host intel: DNS, leaf TLS, and WHOIS/RDAP for one hostname in a single settle. Use when you need live host facts together and must not guess. Child errors stay …
One-shot reachability: DNS, leaf TLS, and origin headers for one hostname in a single settle. Use when you need live up/degraded/down and must not guess. Child …
Resolve public DNS records (A, AAAA, MX, TXT, CNAME, NS, SOA) for a domain. Use when you need live DNS data and must not guess from memory or training data.
Read allowlisted HTTPS response headers for a hostname (HSTS, CSP, server, CORS). Use when you need live origin headers and must not guess. HEAD of https://{dom…
Trace HTTPS redirects for a hostname. Use when you need live hop facts and must not guess. HEAD of https://{domain}/ on :443 (GET if 405/501); follow Location u…
Inspect the leaf TLS certificate for a public hostname (validity, issuer, SANs, fingerprint, expiry). Use when you need live cert facts and must not guess. Expi…