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RDAP Whois Lookup
x402
RDAP Whois Lookup is a paid API for AI agents from 164.160.90.241.sslip.io, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-12).
Returns RDAP registration data for a domain including registrar, creation/expiry dates, status codes, and nameservers.
Price / call$0.05
Success—
StatusUnknown
How this service works
Registration data for a domain via RDAP: registrar, creation/expiry dates, status codes and nameservers.
Output
Returns structured registration data for the queried domain including: registrar name, domain creation date, last updated date, expiry/deletion date, domain status codes (e.g. clientTransferProhibited), and list of nameservers. Data is sourced from the domain's authoritative RDAP endpoint.
Example use cases
Check domain expiry before acquisition
“Look up the RDAP registration data for acmecorp.io — I want to know when it was registered, when it expires, and who the current registrar is so I can figure out if it's worth pursuing.”
Verify domain legitimacy for phishing check
“Can you check the RDAP record for secure-login-paypal.net? I want to see the registrar, creation date, and status codes — a user got a suspicious email from that domain.”
Audit nameservers for infrastructure review
“Pull the RDAP whois data for mybusiness.com — specifically I need the nameservers and domain status codes for our infrastructure audit.”
Technical details
Endpoint
GEThttps://164.160.90.241.sslip.io/api/sec-whois-privacy-history?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need structured, machine-readable domain registration metadata (registrar, dates, nameservers, status codes) via the modern RDAP protocol rather than legacy WHOIS text parsing. Prefer this over raw WHOIS scraping when you need reliably parsed fields. Best suited for single domain lookups rather than bulk queries.
Side effects
- Domain not found or unregistered — returns empty or error response
- TLD not supported by RDAP protocol — some ccTLDs may lack RDAP support
- Rate limiting from upstream RDAP servers causing timeouts
- Malformed or missing domain parameter returns validation error
- Private/redacted registrant data may return minimal fields for GDPR-protected registrations
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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