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RDAP Domain Lookup
x402
RDAP Domain Lookup is a paid API for AI agents from x402-seller-0ay3.onrender.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Returns structured domain registration data (status, dates, registrar, name servers) for any domain name via the RDAP protocol through rdap.org
Price / call$0.005
Success—
StatusUnknown
How this service works
RDAP domain lookup — status, registration/expiration dates, registrar, name servers (RDAP is the structured, successor protocol to WHOIS), via rdap.org. Parameter: ?domain=<domain name> (e.g. example.com).
Output
A JSON object containing the queried domain name, its current status flags (e.g. 'client delete prohibited'), registration and expiration timestamps (ISO 8601), the registrar name, a list of name servers, the RDAP source URL (rdap.org), and a fetched_at timestamp indicating when the data was retrieved.
Example use cases
Domain expiration monitoring for a portfolio
“Check when my domain shopify.com expires — I need the exact expiration date and current registration status so I can track it.”
Verifying domain ownership before a deal
“I'm about to acquire a domain and need to verify the registrar and registration details for acmecorp.io — can you pull the RDAP record?”
Investigating suspicious domain infrastructure
“Pull the RDAP data for phishy-site.xyz — I want to see when it was registered, who the registrar is, and what name servers it's using.”
Technical details
Endpoint
GEThttps://x402-seller-0ay3.onrender.com/api/rdap/domainWhen to prefer
Choose this endpoint when you need structured, machine-readable domain registration metadata (registration/expiration dates, registrar, name servers, status flags) and want a reliable RDAP-protocol response rather than parsing legacy WHOIS text. Ideal for domain portfolio management, due-diligence workflows, security investigations, or any agent pipeline that needs authoritative registration data without maintaining RDAP client libraries or API keys.
Side effects
- Domain not found in RDAP registry returns an error or empty result
- Invalid domain name format causes a bad request response
- RDAP registry for the TLD is unavailable or unresponsive, causing a timeout
- New or recently created domains may have incomplete RDAP records
- Some ccTLDs do not support RDAP and may return no data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"domain": "example.com",
"events": {
"expiration": "2027-08-13T04:00:00Z",
"registration": "1995-08-14T04:00:00Z"
},
"source": "https://rdap.org",
"status": [
"client delete prohibited"
],
"registrar": "Reserved-Internet Assigned Numbers Authority",
"fetched_at": "2026-09-01T12:00:00.000Z",
"nameservers": [
"a.iana-servers.net"
]
}
}Tags
x402
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