{"name":"whois-lookup","description":"WHOIS API and RDAP domain lookup for agents. Returns registration date, domain age, expiration date, registrar, contacts, nameservers, DNSSEC status, EPP status codes, transfer history, and risk flags from the IANA-mandated RDAP endpoint for the domain's TLD. Optionally appends a certificate-transparency summary. Use it for domain diligence, phishing triage, brand protection, registrar checks, or expiry monitoring.","price":"$0.005","method":"POST","input_schema":{"properties":{"domain":{"type":"string","description":"Apex domain to look up (e.g. 'example.com'). Subdomains are stripped to the registrable domain before query."},"include_certificates":{"type":"boolean","description":"If true, fetch a crt.sh certificate-transparency summary (issuer counts, first/last seen, total certs). Default false."}},"required":["domain"]},"input_example":{"domain":"example.com"},"output_example":{"domain":"example.com","found":true,"rdap_server":"https://rdap.verisign.com/com/v1/","registered_date":"1995-08-14T04:00:00Z","expiration_date":"2026-08-13T04:00:00Z","last_changed":"2026-01-16T18:26:50Z","transfer_date":null,"age_days":11223,"days_until_expiry":98,"registrar":{"name":"RESERVED-Internet Assigned Numbers Authority","iana_id":"376"},"contacts":{},"nameservers":["A.IANA-SERVERS.NET","B.IANA-SERVERS.NET"],"dnssec_signed":true,"statuses":["client delete prohibited","client transfer prohibited"],"flags":[],"cert_summary":null},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}