We go beyond a simple regex to perform real-world checks, ensuring you only accept high-quality, deliverable email addresses.
Direct mailbox verification without sending emails
Verify the domain can actually receive emails
Block temporary email addresses automatically
Identify info@, support@, and other role accounts
Validates test@, +addressing, and developer email patterns
{
"success": true,
"email": "[email protected]",
"result": {
"valid": true,
"pattern_type": "plus_addressing",
"developer_friendly": true,
"classification": {
"plus_addressing": {
"base_email": "[email protected]",
"tag": "signup"
}
}
},
"trace_id": "trace_..."
}Our API is designed to run in your most critical paths—like user sign-up—without slowing you down.
Production-tested performance, 2-3x faster than competitors (200-500ms)
Vercel global network for low-latency access worldwide
Cached responses in 7ms—11x faster for repeat validations
Process thousands of emails efficiently in batches
See why [email protected] isn't a typo. Get real-time validation data in <150ms.
Try these examples:
Your data is never stored. Your uptime is guaranteed. Your compliance is assured.
Enterprise-grade reliability you can verify on our live status page See for yourself →
Full compliance with data protection regulations
Enterprise-grade security at every layer of the stack
| Check | ValidKit | Regex |
|---|---|---|
| Syntax Check | ||
| MX Record Validation | ||
| Disposable Detection | ||
| Role-Based Detection | ||
| SMTP Check |