{"name":"domain-expiry-check","description":"Checks a domain's expiration date and days until it expires, for renewal monitoring, vendor-risk checks, and brand-protection agents. Same RDAP backend as whois-lookup. Use it as a domain expiry check API or expiration date lookup.","price":"$0.02","method":"POST","input_schema":{"properties":{"domain":{"type":"string","description":"Domain to look up, e.g. 'example.com'. Protocol and www prefix are stripped."},"include_certificates":{"type":"boolean","description":"Optional. If true, also queries crt.sh for TLS certificate history (recent count, first seen). Default false."}},"required":["domain"]},"input_example":{"domain":"example.com"},"output_example":{"domain":"example.com","expiration_date":"2026-08-13T04:00:00Z","days_until_expiry":98,"flags":[]},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}