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RDAP Domain Registration Lookup
x402
RDAP Domain Registration Lookup is a paid API for AI agents from api.aventtech.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Checks whether a domain name is registered or available and returns authoritative RDAP registry data including registrar, dates, nameservers, and status flags.
Price / call$0.005
Success—
StatusUnknown
How this service works
Unified digital experiences for Mega Yachts, Executive Spaces, and Luxury Residences. Athens-based, nationwide projects.
Output
Returns whether the domain is registered or available, along with RDAP registry data: registrar name, creation date, expiry date, nameservers, and domain status flags (e.g. clientTransferProhibited, active).
Example use cases
Competitive domain monitoring for startups
“I'm launching a new product line called 'CloudSync' — can you check if cloudsync.com, cloudsync.io, and cloudsync.dev are available? If any are taken, let me know who registered them and when they expire so I can decide if it's worth reaching out.”
Website migration and DNS validation
“We're moving our company website to a new registrar and I need to verify all our domain details first. Can you pull up the current registrar, nameservers, and status flags for ourcompany.com and ourcompany.co.uk so I can make sure everything transfers cleanly?”
Portfolio acquisition due diligence
“I'm looking at buying a portfolio of 15 domain names from a seller. Can you quickly check which ones are still active, when they expire, who owns them currently, and if any have transfer restrictions? I want to know what I'm actually getting.”
Technical details
Endpoint
GEThttps://api.aventtech.com/lookup/domainWhen to prefer
Use this endpoint when you need authoritative, real-time domain registration data from the official RDAP registry — more structured and reliable than legacy WHOIS. Ideal for checking domain availability, verifying ownership, auditing expiry dates, or gathering nameserver/registrar info for a specific domain.
Side effects
- Domain not found / available — registry returns no record
- Invalid domain format — query param missing or malformed
- Registry timeout or RDAP service unavailable — upstream error
- TLD not supported by RDAP — some legacy or ccTLDs may lack RDAP coverage
- Rate limiting — too many requests in short succession
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"domain": "example.com",
"registrar": "ICANN",
"expires_on": "2027-08-13",
"registered": true
}
}Tags
x402
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