{"uid":"cap_ZcRUfd-aXaH8EtGnphKZx","slug":"percallapi-com-whois-lookup-24cbd83e","name":"percallapi.com WHOIS Lookup","description":"Lookup WHOIS records and domain availability in JSON format. Provide the domain name via ?domain=example.com to query registrar, status, and expiration dates.","url":"https://percallapi.com/whois?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema"},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_pHZbTYAe1n-mpJ7nvw1my","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Look up WHOIS registration records and domain availability for any domain name, returning registrar, status, and expiration details in JSON.","exampleAgentPrompt":"Can you look up the WHOIS record for openai.com and tell me who the registrar is, what the current status is, and when it expires?","exampleUseCases":[{"title":"Domain expiration monitoring for portfolio","prompt":"Check the WHOIS record for mybrand.com and tell me the expiration date and current registration status so I know when I need to renew it."},{"title":"Verifying domain availability before purchase","prompt":"Is thefutureof.ai available to register? Look up its WHOIS record and tell me if it's taken or free."},{"title":"Investigating suspicious website ownership","prompt":"I got a phishing email from a link on suspicioussite.net — can you pull the WHOIS data for that domain and tell me who the registrar is and how long it's been registered?"}],"resultDescription":"A JSON object containing WHOIS data for the queried domain, including the registrar name, domain registration status (e.g. active, expired, pending deletion), expiration date, and domain availability indicator.","failureModes":["Domain not found or unregistered — may return empty or null WHOIS fields","Invalid domain format passed via ?domain= parameter","TLD not supported by upstream WHOIS service","Rate limiting or payment failure resulting in 402 response","Timeout if upstream WHOIS registry is slow to respond"],"whenToPreferThis":"Use this endpoint when you need structured JSON WHOIS data including registrar, status, and expiration for a specific domain, especially in agentic workflows that need to parse domain registration details programmatically. Prefer this over manual WHOIS lookups or scraping when you need reliable, machine-readable output at low per-call cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:42:41.980Z","isFirstParty":false,"canonicalSlug":"percallapi-com-whois-lookup-24cbd83e"}