{"name":"inbox-readiness-check","description":"Checks whether an email domain is ready to receive mail, returning a low/medium/high risk bucket and findings for mail launch or lead-routing workflows. Covers MX reachability, SPF mode, DMARC policy, DKIM selectors, disposable-domain risk, and role-account signals. Use it as an inbox readiness check, email domain health probe, or deliverability score API.","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"}