{"uid":"cap_Ta7iFHCrUYVlcpLutGz9T","slug":"whois-domain-lookup-0bf10462","name":"WHOIS Domain Lookup","description":"WHOIS domain lookup — raw registry text with registrar, nameservers, lifecycle dates and status, plus the responding server. Use the RDAP endpoint when you need parsed structured data.","url":"https://dns.use.x402atlas.com/whois","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["domain"],"properties":{"domain":{"type":"string","maxLength":253,"minLength":1,"description":"Bare domain to query (not an IP literal, not localhost, not under a reserved suffix like .local/.internal)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["domain","server","raw","queried_at"],"properties":{"raw":{"type":"string","description":"Unparsed WHOIS response text; format varies per TLD"},"domain":{"type":"string","description":"The queried domain"},"server":{"type":"string","description":"Authoritative WHOIS host whose raw text was returned (IANA if no referral)"},"queried_at":{"type":"string","format":"date-time","description":"UTC timestamp of the lookup"}}}}}}},"responseSchema":{"type":"json","example":{"raw":"Domain Name: EXAMPLE.COM\n...","domain":"example.com","server":"whois.verisign-grs.com","queried_at":"2026-06-05T12:00:00Z"}},"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_Cw0-d23JY9wID6hhA9KiO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns authoritative WHOIS data for a domain including registrar, nameservers, creation/expiry/updated dates, and status flags.","exampleAgentPrompt":"Can you pull the WHOIS record for openai.com? I want to know the registrar, nameservers, when it was created, and when it expires.","exampleUseCases":[{"title":"Check domain expiry before renewal","prompt":"Hey, can you look up the WHOIS info for mybusiness.com? I want to know when it expires so I can make sure we renew it before it lapses."},{"title":"Investigate suspicious domain ownership","prompt":"I got a phishing email with a link to secure-paypal-login.com — can you pull the WHOIS record and tell me who registered it, when, and what registrar they used?"},{"title":"Verify nameservers for new domain","prompt":"We just transferred clientsite.net to a new host. Can you check the WHOIS record to confirm the nameservers have been updated correctly?"}],"resultDescription":"A JSON object containing the domain's WHOIS record with registrar name, nameserver list, creation date, expiry date, last-updated date, domain status flags, and the raw authoritative registry response.","failureModes":["Domain not found or not registered — returns empty or error response","WHOIS rate limiting by the authoritative registry — may return incomplete data","Private/redacted WHOIS records (GDPR) — registrant details may be masked","Invalid or malformed domain input — may return error or no data","Registry temporarily unavailable — lookup fails with timeout or error"],"whenToPreferThis":"Use this endpoint when you need authoritative domain registration metadata such as registrar, nameservers, and lifecycle dates (creation, expiry, updated). Prefer this over DNS record lookups (A, MX, TXT) when the goal is ownership, registration status, or expiry information rather than DNS resolution. Ideal for domain due diligence, monitoring domain expiry, verifying domain ownership, or investigating suspicious domains.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:37:03.437Z","isFirstParty":false}