NovaCheckEmail Validation API
Fast, practical email validation with real-time DNS checks. Also supports domain lookups. Built for production apps.
Live Demo
Try email validation
Enter an email to see the JSON response. This demo uses NovaCheck's test validation flow, so it does not consume live quota.
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How It Works
Integrate
Add our API to your app with a single request. Get your API key from the dashboard.
Validate
Send any email address and get instant validation. We check syntax, DNS, and more.
Improve
Reduce bounces, protect your sender reputation, and improve deliverability.
Why NovaCheck
Fast
Real-time DNS and MX validation with sub-second response times.
Secure
Enterprise-grade security with API key auth and encryption.
Reliable
99.9% uptime SLA with usage analytics and monitoring.
Real-time Validation
Instant DNS and MX record checks to see whether an address appears deliverable.
Reduce Bounces
Help catch invalid emails before you send. Protect your sender reputation.
Disposable Detection
Block temporary email providers. Keep your list clean and valuable.
Simple Pricing
Free
$0/mo
- 500 validations/month
- 10 requests/minute
- Multi-email validation
- Community support
Starter
$10/mo
- 10,000 validations/month
- 100 requests/minute
- Multi-email validation
- Email support
- Basic analytics
Propopular
$29/mo
- 50,000 validations/month
- 300 requests/minute
- Multi-email validation
- Priority support
Business
$79/mo
- 200,000 validations/month
- 1,000 requests/minute
- Multi-email validation
- Priority support
Email Validation Resources
Learn how NovaCheck helps developers validate addresses, verify deliverability, and clean email lists before sending.