30% of emails go bad annually. Our real-time SMTP verification catches bounces before they hurt your sender reputation. Validate up to 1M emails with 99.5% accuracy.
or click to browse
CSV or TXT up to 50MBWhen over 10% of your list contains invalid addresses, less than 44% of your emails get delivered. Bounces, spam traps, and invalid addresses damage your sender reputation.
Invalid mailboxes that never existed or were deleted
Honeypot addresses that flag you as a spammer
Disposable addresses that expire after use
Domains that accept any address but may not deliver
Multi-layer validation with real-time SMTP verification. We check everything so you don't have to.
Direct connection to mail servers verifies mailbox existence without sending emails. We try multiple MX records for maximum accuracy. Catches hard bounces before they hurt your reputation.
Identifies known spam traps and honeypot addresses before they damage your sender reputation.
AI-powered detection of fake, randomly generated, and keyboard-mash email addresses.
Filters 1000+ temporary email providers like Mailinator, Guerrilla Mail, and 10MinuteMail.
Identifies generic addresses like info@, support@, admin@ that often have lower engagement.
Detects domains that accept any email address but may not actually deliver to real mailboxes.
Every email gets a deliverability score based on all validation factors. High scores mean safe to send, low scores mean risky. Helps you make informed decisions about which emails to keep.
Suggests corrections for common domain typos like gmial.com, outlok.com, and more.
Detects duplicate emails with different formatting (dots, plus signs) for Gmail and other providers.
Paste emails directly or upload a CSV/TXT file with up to 1 million addresses.
Our system performs 10+ checks including real SMTP verification in real-time.
Export clean lists segmented by validity, risk level, or quality score.
Integrate email validation directly into your signup forms, CRM, or marketing automation. Simple JSON API with real-time response.
POST /api/validate
X-API-Key: lx_your_api_key
{
"email": "user@example.com"
}
// Response
{
"valid": true,
"status": "valid",
"qualityScore": 95,
"isDisposable": false,
"isRoleBased": false,
"smtp": { "valid": true }
}More features, better accuracy, transparent pricing. No hidden fees or surprise charges.
Clean your lists before campaigns to improve deliverability and reduce bounce rates.
Validate emails at signup to prevent fake accounts and improve user quality.
Verify customer emails at checkout to ensure order confirmations are delivered.
Validate leads before adding to CRM to maintain data quality and save on CRM costs.
Start with 1,000 free validations per day. No credit card required.