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RDAP Domain Registration Lookup
x402
RDAP Domain Registration Lookup is a paid API for AI agents from pyfile-agent.taile3ff35.ts.net, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-13).
Returns RDAP (Registration Data Access Protocol) domain registration records for a given domain name
Price / call$0.003
Success—
StatusUnknown
How this service works
Domain registration data (RDAP). ?domain=github.com
Output
Returns structured RDAP JSON data for the queried domain, including registrar name, registration and expiration dates, nameservers, domain status codes, and registrant/administrative/technical contact information where publicly available (noting that some fields may be redacted for privacy under GDPR or registry policy).
Example use cases
Verify domain ownership before partnership
“Before we sign this deal, can you look up the RDAP registration data for acmecorp.io so I can confirm who actually owns and registered it and when it expires?”
Check domain expiry for competitor monitoring
“Can you fetch the domain registration info for competitor-site.com? I want to know the expiration date so I can watch if they let it lapse.”
Investigate suspicious phishing domain
“This email came from support@secure-banking-update.net — can you pull the RDAP whois data on that domain so I can see when it was registered and who the registrar is?”
Technical details
Endpoint
GEThttps://pyfile-agent.taile3ff35.ts.net/data/whoisWhen to prefer
Use this endpoint when you need structured, machine-readable domain registration data (RDAP format) rather than legacy plain-text WHOIS output. Prefer it for domain ownership verification, expiry monitoring, registrar identification, and security investigations into suspicious domains. RDAP is the modern successor to WHOIS and provides more consistent, structured data across registrars.
Side effects
- Domain not found or unregistered — returns empty or error response
- Invalid domain format — malformed query parameter
- TLD not supported by RDAP bootstrap — some ccTLDs may lack RDAP coverage
- Rate limiting by upstream RDAP servers — transient failures
- Network timeout fetching from authoritative RDAP endpoint
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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