{"uid":"cap_PYHZbk2tn2qaZty-h5qNC","slug":"zeroclick-x402-service-registry-whois-lookup-0d3f4508","name":"WHOIS Lookup (RDAP)","description":"Look up domain registration details using the RDAP protocol (the modern successor to WHOIS). Free, no API key needed. Input: a domain name. Output: registrar, creation date, expiration date, last updated date, name servers, and domain status.","url":"https://whois.withzero.ai/run?utm_source=zero.xyz","method":"POST","headers":{"X-ZAM-Access-Key":"zeroclick"},"bodySchema":{"type":"object","required":["domain"],"properties":{"domain":{"type":"string","maxLength":253,"minLength":1,"description":"Domain name to look up (e.g. \"example.com\", \"google.co.uk\")"}},"additionalProperties":false},"responseSchema":{"type":"object","required":["domain","registrar","createdDate","expiresDate","updatedDate","nameServers","status"],"properties":{"domain":{"type":"string","description":"The queried domain name"},"status":{"type":"array","items":{"type":"string"},"description":"Domain status codes (e.g. \"active\", \"clientTransferProhibited\")"},"registrar":{"type":"string","description":"Domain registrar name"},"createdDate":{"type":"string","nullable":true,"description":"Domain creation date (ISO 8601) or null if unavailable"},"expiresDate":{"type":"string","nullable":true,"description":"Domain expiration date (ISO 8601) or null if unavailable"},"nameServers":{"type":"array","items":{"type":"string"},"description":"List of authoritative name servers"},"updatedDate":{"type":"string","nullable":true,"description":"Last updated date (ISO 8601) or null if unavailable"}},"additionalProperties":false},"example":{"request":{"domain":"example.com"},"response":{"domain":"example.com","status":["client delete prohibited","client transfer prohibited","client update prohibited"],"registrar":"RESERVED-Internet Assigned Numbers Authority","createdDate":"1995-08-14T04:00:00Z","expiresDate":"2026-08-13T04:00:00Z","nameServers":["elliott.ns.cloudflare.com","hera.ns.cloudflare.com"],"updatedDate":"2026-01-16T18:26:50Z"}},"exampleRequest":{"domain":"example.com"},"tags":["data","whois","rdap","domain","dns","registrar","lookup"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":1,"rating":{"score":"0.92","successRate":"1.00","reviews":1,"stars":"4.7","state":"rated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4zqVdj1ECaGGG5d16Aj_B","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x20C000000000000000000000b9537d11c60E8b50","unit":"request","depositMicros":null,"planRef":"whois:1"}],"brandName":"ZeroClick x402 Service Registry","brandSlug":"zeroclick-x402-service-registry","brandBaseUrl":"https://withzero.ai","brandDocsUrl":null,"whatItDoes":"Look up domain registration details including registrar, creation/expiration dates, name servers, and status using the RDAP protocol.","exampleAgentPrompt":"Can you look up the WHOIS registration details for github.com — I want to know the registrar, when it was created, when it expires, and what name servers it's using?","exampleUseCases":null,"resultDescription":"Returns a structured object with the queried domain name, registrar name, ISO 8601 creation/expiration/last-updated dates (or null if unavailable), a list of authoritative name servers, and an array of domain status codes such as 'active' or 'clientTransferProhibited'.","failureModes":["Domain not found or not registered — registrar and dates may return null","RDAP registry for the TLD is unavailable or unresponsive — may return partial data","Invalid domain format — validation error on input","TLD not supported by RDAP protocol — limited or no data returned"],"whenToPreferThis":"Choose this endpoint when you need structured domain registration metadata (registrar, dates, name servers, status) for any domain, especially when you want a free, key-free solution using the modern RDAP protocol rather than legacy WHOIS. Ideal for agents checking domain ownership, expiration risk, or DNS configuration.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":7,"lastUsedAt":"2026-07-17T22:59:33.394Z","lastSuccessfullyRanAt":"2026-07-17T22:59:33.394Z","lastHealthCheckAt":"2026-10-10T06:32:45.121Z","isFirstParty":true,"canonicalSlug":"zeroclick-x402-service-registry-whois-lookup-0d3f4508"}