{"uid":"cap_U08B3y_FZfR-8_sFoTgH6","slug":"grey-ridge-signals-whois-domain-lookup-ef303b9c","name":"Grey Ridge Signals — WHOIS Domain Lookup","description":"Pay-per-call market & on-chain data for Base trading agents over x402: live DeFi yields, cross-venue funding rates, token prices, Polymarket and RPC data — plus a pre-trade token-safety gate (GO/HOLD/BLOCK). No account, no API key; agents pay inline in USDC from $0.001/call.","url":"https://x402-data-api.sigrunner.workers.dev/whois?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"domain":"example.com","expiry":"2025-08-13T04:00:00Z","status":["client delete prohibited"],"created":"1995-08-14T04:00:00Z","registrar":"RESERVED-Internet Assigned Numbers Authority","registrant":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_Z1teV9f7E82Wpq8UxJpcX","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":"Returns WHOIS registration data for a domain, including registrar, creation date, expiry, status flags, and registrant information.","exampleAgentPrompt":"Can you look up the WHOIS record for example.com and tell me who the registrar is, when it was created, and when it expires?","exampleUseCases":[{"title":"Domain expiry monitoring for portfolio","prompt":"Check the WHOIS record for mybrand.com — I want to know when it expires so I can make sure it gets renewed on time."},{"title":"Verify domain ownership before outreach","prompt":"Look up who owns and registered techstartup.io — I need the registrar and registrant details before I reach out about acquiring it."},{"title":"Fraud or phishing domain check","prompt":"Can you pull the WHOIS for this suspicious domain phishingsite.net and tell me when it was created and what its status flags are?"}],"resultDescription":"A JSON object containing the domain name, registrar name, creation date, expiry date, current status flags (e.g. client delete prohibited), and registrant information (may be null if redacted for privacy).","failureModes":["Domain not found or unregistered — returns null or empty result","Invalid domain format in query — may return error","WHOIS privacy shielding — registrant field returns null","Rate limits or upstream WHOIS provider timeouts","TLD not supported by the underlying WHOIS service"],"whenToPreferThis":"Use this endpoint when an agent needs WHOIS registration metadata for a domain — registrar, dates, status flags — without setting up an account or API key, paying only $0.01 USDC inline via x402. Prefer over traditional WHOIS APIs when operating in a crypto-native, accountless agent environment on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T06:35:45.537Z","isFirstParty":false,"canonicalSlug":"grey-ridge-signals-whois-domain-lookup-ef303b9c"}