{"name":"email-deliverability-score","description":"Scores an email domain's deliverability from 0-100. The score is built from syntax, MX, disposable-domain, role-account, SPF, DMARC, and DKIM signals; no SMTP mailbox probe. Use it as an email deliverability score API, inbox readiness score, or email health check.","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":{"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"}