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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:10000, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-13).
Fetches RDAP (Registration Data Access Protocol) domain registration data 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, domain status flags, nameservers, and where available, registrant/abuse contact details — sourced directly from the authoritative RDAP registry for that TLD.
Example use cases
Domain expiry monitoring for portfolio
“Check the registration details for mybrand.com — I need to know the expiration date and registrar so I can make sure it doesn't lapse.”
Due diligence on a vendor domain
“I'm vetting a supplier and want to verify who owns and registered acmesupplier.io — can you pull the RDAP data so I can see the registrar and how long the domain has been registered?”
Security investigation of suspicious domain
“I got a phishing email from support@secur1ty-alerts.net — can you look up the registration info for that domain so I can see when it was registered and who is behind it?”
Technical details
Endpoint
GEThttps://pyfile-agent.taile3ff35.ts.net:10000/data/whoisWhen to prefer
Use this endpoint when you need authoritative, structured domain registration data (RDAP format) including registrar, dates, nameservers, and status — preferred over raw WHOIS text parsing because RDAP returns clean JSON. Choose this when vetting domains for due diligence, monitoring expiry dates, investigating suspicious domains, or enriching domain intelligence pipelines. Not suitable if you need DNS resolution, SSL certificate info, or subdomain enumeration (see sibling endpoints for those).
Side effects
- Domain not found or not registered returns an error or empty RDAP response
- Unsupported TLD may not have an RDAP endpoint, causing lookup failure
- Rate limiting by the upstream RDAP registry can cause timeouts
- Malformed domain name input may return a validation error
- Some registries redact all registrant contact info due to GDPR/privacy policies
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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