{"service":"email-check","version":"1.0.0","title":"Email address check","description":"Returns JSON with an email address check: syntax, domain and MX records, disposable, free and role account flags, SPF and DMARC, and a verdict on whether the domain can receive mail. Use when you need email validation or to verify email addresses (domain, MX records) before sending, signup or lead scoring. Do not use when you need to confirm the mailbox itself exists (no SMTP probe is done) or to send email. Price: 0.005 USDC per call. Typical response time: 800 ms (p95).","paid":{"method":"POST","url":"https://x402-gateway.blackwoodstate8.workers.dev/v1/email-check","scheme":"exact","network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","amount":"5000","amountUsdc":"0.005","payTo":"0x7f299708D49cbAf60815aC52d0B7d645e158A758","maxTimeoutSeconds":60},"input":{"schema":{"type":"object","properties":{"email":{"type":"string","minLength":3,"maxLength":254,"description":"Email address to check, e.g. jane@example.com"}},"required":["email"]},"example":{"email":"postmaster@ietf.org"}},"output":{"schema":{"type":"object","properties":{"email":{"type":"string"},"normalized":{"type":["string","null"]},"syntaxValid":{"type":"boolean"},"domain":{"type":["string","null"]},"disposable":{"type":"boolean"},"freeProvider":{"type":"boolean"},"roleAccount":{"type":"boolean"},"domainExists":{"type":["boolean","null"]},"mx":{"type":"array","items":{"type":"object","properties":{"priority":{"type":"number"},"host":{"type":"string"}},"required":["priority","host"],"additionalProperties":false}},"acceptsMail":{"type":"boolean"},"spf":{"type":["string","null"]},"dmarc":{"type":["string","null"]},"dmarcPolicy":{"type":["string","null"]},"verdict":{"type":"string","enum":["deliverable_domain","risky","undeliverable","invalid"]},"reasons":{"type":"array","items":{"type":"string"}},"smtpChecked":{"type":"boolean"}},"required":["email","normalized","syntaxValid","domain","disposable","freeProvider","roleAccount","domainExists","mx","acceptsMail","spf","dmarc","dmarcPolicy","verdict","reasons","smtpChecked"],"additionalProperties":false},"example":{"email":"postmaster@ietf.org","normalized":"postmaster@ietf.org","syntaxValid":true,"domain":"ietf.org","disposable":false,"freeProvider":false,"roleAccount":true,"domainExists":true,"mx":[{"priority":0,"host":"mx.ietf.org"}],"acceptsMail":true,"spf":"v=spf1 ip4:166.84.6.31 ip4:166.84.7.238 ip6:2602:f977:800:f7f6::/64 ip4:166.84.7.34 ip6:2602:f977:800::e276:63ff:fe66:3400 include:_spf.google.com include:spf.hostedrt.com ~all","dmarc":"v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email,mailto:dmarc-report@ietf.org","dmarcPolicy":"none","verdict":"deliverable_domain","reasons":["role_account"],"smtpChecked":false}},"mcp":{"url":"https://x402-gateway.blackwoodstate8.workers.dev/mcp","tool":"email-check_v1"},"openapi":"https://x402-gateway.blackwoodstate8.workers.dev/openapi.json"}