{"name":"vendor-domain-risk","description":"Screens vendor domains for age, expiration, registrar, DNSSEC, nameservers, and suspicious newly-registered risk flags. Same RDAP backend as whois-lookup. Use it as a vendor domain risk API, supplier website age check, or procurement domain diligence tool.","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":"stripe.com","include_certificates":true},"output_example":{"domain":"stripe.com","age_days":1860,"registrar":{"name":"Example Registrar"},"flags":[]},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}