Email Address Validation API
Verify email deliverability with real-time SMTP checks, disposable detection, and comprehensive fraud scoring. Improve your sender reputation and marketing ROI today.
Check if an email is valid and deliverable in seconds. No signup needed.
Complete Email Intelligence & Validation
Multi-layer verification for maximum deliverability and fraud prevention
Advanced syntax verification
RFC-compliant syntax checking to catch typos, formatting errors, and invalid structures.
MX record & DNS validation
Verify mail server existence, configuration, and DNS records for deliverability.
Real-time SMTP verification
Live mailbox existence checking through SMTP connection without sending emails.
Disposable & role-based detection
Identify and block temporary, disposable, and role-based email addresses.
SPF, DMARC and DKIM posture
Whether the domain enforces its own sending policy or only publishes one, with the lookup count that breaks SPF at 10.
Domain age and standing
How long the domain has existed and where it ranks in our own crawl of 50,000 domains — a week-old domain and an established one are not the same address.
Email Validation use cases
Common workflows teams run with this data.
Email marketing optimization
Clean your lists before campaigns to improve deliverability and sender reputation.
- Reduce bounce rates
- Improve sender reputation
- Increase open rates
User registration validation
Prevent fake account signups and ensure real user engagement at registration.
- Block fake accounts
- Improve user quality
- Reduce spam signups
Lead generation & CRM hygiene
Qualify leads instantly and keep CRM data accurate by validating every email.
- Improve lead scores
- Save sales time
- Clean CRM data
Start using Email Validation today
One API, universal credits, and 200 free credits a month. Live in about five minutes.