{"uid":"cap_ZWDzfI0IPwVwNToWKaaUy","slug":"ipintel-ai-whois-lookup-1bf3b415","name":"IPIntel.ai WHOIS Lookup","description":"WHOIS Lookup API. Retrieve domain registration data including registrar, WHOIS server, creation date, expiration date, updated date, nameservers, domain status, and privacy/redaction signals. Useful for agents, developers, domain intelligence, expiry checks, registrar lookup, ownership investigation, and security workflows. Paid per call via x402.","url":"https://tools.ipintel.ai/whois-lookup","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","required":["domain"],"properties":{"domain":{"type":"string","description":"Domain name to query, for example example.com"}},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"ok":{"type":"boolean"},"domain":{"type":"string"},"service":{"type":"string"},"statuses":{"type":"array","items":{"type":"string"}},"registrar":{"type":"string"},"timestamp":{"type":"string"},"is_redacted":{"type":"boolean"},"nameservers":{"type":"array","items":{"type":"string"}},"raw_excerpt":{"type":"string"},"updated_date":{"type":"string"},"whois_server":{"type":"string"},"creation_date":{"type":"string"},"expiration_date":{"type":"string"}},"additionalProperties":true}}}}},"responseSchema":{"type":"json","example":{"ok":true,"domain":"example.com","service":"whois_lookup","statuses":["clientDeleteProhibited","clientTransferProhibited"],"registrar":"RESERVED-Internet Assigned Numbers Authority","timestamp":"2026-06-22T20:00:00+00:00","is_redacted":true,"nameservers":["a.iana-servers.net","b.iana-servers.net"],"raw_excerpt":"Domain Name: EXAMPLE.COM\nRegistrar: RESERVED-Internet Assigned Numbers Authority\n...","updated_date":"2024-08-14T07:01:34Z","whois_server":"whois.iana.org","creation_date":"1995-08-14T04:00:00Z","expiration_date":"2025-08-13T04:00:00Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hGh6KYCPLpF6rDCPrc3HH","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a WHOIS lookup on a domain to retrieve registration details including registrar, nameservers, creation/expiration dates, and domain statuses.","exampleAgentPrompt":"Can you pull the WHOIS record for openai.com — I want to know who the registrar is, when it expires, what nameservers it's using, and whether the contact info is redacted?","exampleUseCases":[{"title":"Monitor critical domain expiration dates","prompt":"I need you to check the WHOIS records for all our company domains and flag any that are expiring within the next 90 days. Pull the registration and expiration dates, and let me know which ones need immediate renewal attention."},{"title":"Verify domain ownership during acquisition","prompt":"We're looking at acquiring a competitor's assets. Can you pull the WHOIS details for their three main domains — I want to see who the registrar is, when they were registered, what the current expiration dates are, and whether the owner information is public or privacy-protected?"},{"title":"Investigate suspicious domains for fraud","prompt":"I've been getting phishing emails from domains that look like our brand. Can you run WHOIS lookups on these suspicious domains and tell me who registered them, what nameservers they're using, and whether the registration info is hidden? I need to know if these are legitimate or fraudulent."}],"resultDescription":"Returns a JSON object with ok status, the queried domain, registrar name, WHOIS server, domain statuses (e.g. clientDeleteProhibited), nameservers list, creation/updated/expiration dates, a raw WHOIS text excerpt, and a flag indicating whether the record is privacy-redacted.","failureModes":["Domain not found or not registered — returns ok:false or empty result","Invalid domain format — returns error response","WHOIS rate limiting by upstream server — may return incomplete data","WHOIS data fully redacted — limited registration details returned","Network timeout reaching WHOIS server — request fails"],"whenToPreferThis":"Use this endpoint when you need authoritative WHOIS registration data for a domain, including registrar identity, expiry dates, nameservers, and domain lock statuses. Prefer this over DNS lookup endpoints when the goal is ownership/registration metadata rather than DNS resolution records. Especially useful for domain expiry monitoring, fraud investigation, or due diligence workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:44:11.838Z","isFirstParty":false}