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Maxwell x402 RDAP Domain Lookup
x402
Maxwell x402 RDAP Domain Lookup is a paid API for AI agents from api.maxwellinternational.ai, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-01).
Performs a live RDAP lookup for a domain name, returning registration status, registrar, dates, nameservers, and status flags — but never personal contact data.
Price / call$0.005
Success—
StatusUnknown
How this service works
Domain registration record, looked up live from the registry's own RDAP server: whether it is registered, registrar, status flags, created / updated / expiry dates, nameservers, and which registry answered. No personal contact data. Every lookup is an answer and is charged: "not registered" (registered:false) and "this registry offers no RDAP service" (rdapAvailable:false, e.g. .de) included.
Output
Returns a JSON object with: whether the domain is registered (registered: true/false), registrar name, domain status flags (e.g. clientTransferProhibited), creation/updated/expiry timestamps, list of nameservers, the registry that answered, and whether RDAP service is available for that TLD (rdapAvailable: true/false). Returns registered:false for unregistered domains and rdapAvailable:false for TLDs like .de that don't offer RDAP — both still count as answered calls and are billed.
Example use cases
Domain availability check before purchase
“I'm thinking of registering quantumleapstudio.com — can you check if it's already taken and when it might expire if someone owns it?”
Competitive domain research
“Look up openaiplatform.net and tell me the registrar, registration date, expiry date, and nameservers — I want to know who owns it and how long they've had it.”
Infrastructure audit of owned domains
“Can you pull the RDAP record for mycompany.org and confirm its status flags, nameservers, and whether it's about to expire?”
Technical details
Endpoint
GEThttps://api.maxwellinternational.ai/v1/rdap/domain?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need authoritative, live domain registration data sourced directly from the registry's own RDAP server — more reliable and up-to-date than third-party WHOIS aggregators. Prefer it over generic WHOIS tools when you need structured data (registrar, dates, nameservers, status flags) without personal contact details, or when building automations that check domain availability, audit expiries, or enrich domain metadata at $0.005 per call.
Side effects
- TLD does not support RDAP (rdapAvailable:false returned, still billed) — e.g. .de registry
- Domain not found / unregistered (registered:false returned, still billed)
- Malformed or syntactically invalid domain name causes a 400 error
- Registry timeout or temporary RDAP server unavailability causes a 503
- Payment not provided or invalid x402 payment header causes a 402 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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