{"name":"email-domain-health","description":"Validates an email address and scores whether its domain can receive mail, reporting authentication records and disposable-domain risk without contacting the mailbox. Use it as an email domain health API, MX SPF DMARC DKIM checker, or mail authentication posture audit.","price":"$0.005","method":"POST","input_schema":{"properties":{"email":{"type":"string","description":"Email address to validate and score, e.g. 'buyer@example.com'."},"dkim_selectors":{"type":"array","items":{"type":"string"},"description":"Optional DKIM selectors to check. Defaults to common selectors such as google, selector1, selector2, s1, and s2."}},"required":["email"]},"input_example":{"email":"support@example.com"},"output_example":{"email":"support@example.com","domain":"example.com","deliverability_score":92,"risk":"low","can_receive_mail":true,"is_disposable":false,"is_role_account":true,"mx_records":["10 mail.example.com."],"verification_level":"domain_dns_no_mailbox_probe"},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}