{"name":"brand-domain-check","description":"Checks whether a brand or company domain is established, expiring, registrar-locked, or newly registered, on the same RDAP backend as whois-lookup. Use it as a brand domain check API, startup domain diligence, or company-name domain screen.","price":"$0.02","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","include_certificates":true},"output_example":{"domain":"example.com","age_days":11223,"days_until_expiry":98,"registrar":{"name":"RESERVED-Internet Assigned Numbers Authority"},"flags":[]},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}