{"uid":"cap_f8P5CkIYhT4WPAsz5lznH","slug":"api-the402-ai-6bc221eb","name":"WHOIS Lookup","description":"Purchase: WHOIS Lookup","url":"https://api.the402.ai/v1/services/svc_a52dacbc43024f36/purchase","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"object","properties":{"job_id":{"type":"string"},"status":{"type":"string"},"thread_id":{"type":"string"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_TTa9hBxUKi_QVBU1h72pR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a WHOIS lookup for a given domain name, returning registration and ownership details","exampleAgentPrompt":"Can you do a WHOIS lookup on openai.com and tell me who registered it, when it expires, and what nameservers it's using?","exampleUseCases":null,"resultDescription":"A WHOIS record for the queried domain, including registrar name, registration and expiration dates, registrant contact details (where available), nameservers, and domain status flags.","failureModes":["Domain not found or not yet registered — returns empty or error response","Invalid domain name format — returns validation error","WHOIS data privacy-protected (GDPR redaction) — limited contact info returned","Rate limiting or payment failure via x402 protocol — transaction rejected","WHOIS server timeout — upstream lookup fails"],"whenToPreferThis":"Use this endpoint when you need WHOIS registration metadata for a domain name — ownership, registrar, expiry, nameservers — and are operating in an agentic context where micropayment via x402 is supported. Pair with the sibling Domain Availability endpoint when you also need to check if a domain is available to register.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T16:25:02.452Z","isFirstParty":false}