Validate a single email address
Email Verification
Validate a single email address
deprecated
⚠️ Deprecated — use POST /v2/email/verify instead. Sunset: Tue, 07 Jul 2026.
Validates one email address synchronously. Returns Valid, Invalid, or Unknown. Set metadata=true to include MX record presence, email provider, security gateway, and failure reason in the response. Deducts 1 credit on Valid or Invalid results. Rate limited to 1 request per second.
Errors
402— Insufficient credits. Recharge your account before retrying.
POST
Validate a single email address
