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Domain Registration Expiry & Registrar Lookup
x402
Domain Registration Expiry & Registrar Lookup is a paid API for AI agents from sentinel.rootstuff.io, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Returns the registration expiry date and registrar information for a given domain name
Price / call$0.01
Success—
StatusUnknown
How this service works
Registration expiry and registrar for a domain
Output
Returns the registrar name and registration expiry date for the registrable portion of the supplied domain or hostname, allowing agents to assess domain ownership tenure and upcoming renewal deadlines.
Example use cases
Proactive domain renewal alert
“Check when shopify.com's domain registration expires so I can warn my team if it's coming up in the next 30 days.”
Competitor domain intelligence
“Who registered openai.com and when does their registration expire?”
Verify supplier domain legitimacy
“Look up the registrar and expiry date for acmesuppliers.co.uk — I want to make sure it's a legit long-standing registration before we wire them money.”
Technical details
Endpoint
GEThttps://sentinel.rootstuff.io/x402/domainWhen to prefer
Use this endpoint when you need a quick, single-call lookup of a domain's expiry date and registrar without needing full DNS record data. Prefer this over the full DNS record sibling endpoint when WHOIS registration metadata (expiry, registrar) is the specific need rather than DNS resolution records. Ideal for domain health monitoring, supplier due diligence, or proactive renewal workflows.
Side effects
- Domain not found in WHOIS registry — returns empty or error if domain does not exist
- TLD not supported by WHOIS lookup — some ccTLDs restrict or do not publish expiry data
- Rate limiting or upstream WHOIS timeout — may return an error or partial result
- Malformed domain input — non-parseable hostnames may return an error
- Privacy-protected registrations may hide registrar details
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| domain | string | Domain or hostname; the registrable domain is looked up. |
Tags
x402
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