{"name":"email","description":"Validates an email address end to end: syntax, MX reachability, disposable/temp-mail domains, role accounts, and SPF/DMARC/DKIM posture. This endpoint does not send email and does not probe the recipient mailbox; it is DNS + public blocklist only. Use it as an email validation API, email deliverability check, or email verifier.","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."}},"required":["email"]},"input_example":{"email":"buyer@example.com"},"output_example":{"email":"buyer@example.com","deliverability_score":92,"risk":"low","can_receive_mail":true,"verification_level":"domain_dns_no_mailbox_probe"},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}