Bulk List Email Checker
Best Speed-to-Accuracy Value For Bulk Email Verification.
Our Guarantees to You
99% Deliverability Guarantee
Emails marked "deliverable" have under 1% bounce rate. Miss the mark? We refund those credits—no questions asked.
99.9% Uptime SLA
Built for reliability with 99.9% uptime guarantee. Redundant systems across multiple data centers keep validations running 24/7.
Best-in-Class Support
Expert support responds within 2 hours during business hours. Premium plans get dedicated account managers.
Unbeatable Value
Best combination of speed, accuracy, and pricing. Others compromise on one—we deliver all three.
Bulk Email List Validation Made Simple
Process Thousands of Emails in Minutes
Upload Any Format
Support for CSV, TXT, XLSX, and XLS files up to 10MB
Real-Time Progress
Watch your validation progress with live updates and detailed statistics
Comprehensive Reports
Download detailed results with validation status, reasons, and recommendations
Smart Segmentation
Automatically categorize emails into deliverable, risky, and invalid groups
Drop Your Email List Here
CSV, TXT, or Excel files up to 10MB
Maximum file size to upload: 10 MB
Powerful Email Validation API
Built for Developers
Clean, well-documented API with consistent responses and comprehensive error handling
curl -X POST https://api.emailcheckerai.com/v1/validate \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"email": "john.doe@example.com"}'{
"email": "john.doe@example.com",
"status": "deliverable",
"is_valid": true,
"is_disposable": false,
"is_role_based": false,
"is_catch_all": false,
"domain": "example.com",
"mx_records": true
}{
"email": "info@catch-all-domain.com",
"status": "risky",
"is_valid": true,
"is_disposable": false,
"is_role_based": true,
"is_catch_all": true,
"domain": "catch-all-domain.com",
"mx_records": true
}{
"email": "invalid@nonexistent.xyz",
"status": "undeliverable",
"is_valid": false,
"is_disposable": false,
"is_role_based": false,
"is_catch_all": false,
"domain": "nonexistent.xyz",
"mx_records": false
}Complete Email Validation in One Service
Syntax & Format Validation
Verify email addresses follow RFC standards with proper formatting. Catch typos, invalid characters, and structural errors before they cause bounces.
Domain & DNS Verification
Confirm the domain exists and has valid MX records configured. Detect misspelled domains and suggest corrections for common typos.
SMTP Mailbox Verification
Connect to mail servers to verify the mailbox actually exists and can receive emails. All done without sending actual test messages.
Disposable Email Detection
Identify temporary and throwaway email services using our constantly updated database. Filter out low-quality contacts automatically.
Catch-All Domain Detection
Detect domains configured to accept all email addresses. Prevent false positives and improve validation accuracy for better targeting.
Role-Based Email Identification
Flag generic addresses like admin@, info@, and support@ that typically have lower engagement rates and higher complaint risks.
The Numbers Don't Lie
Average decrease in bounce rates after validation
Average return on email marketing investment
Average time to validate each email
Validation accuracy across all checks
Experience that with 100 free credits
Create Free AccountPerfect For Your Email Workflow
Cold Email Outreach
Validate scraped or purchased lists before launching campaigns. Protect your domain reputation and maximize inbox placement.
Lead Generation
Clean leads from web forms, LinkedIn scraping, or lead magnets in real-time. Ensure every lead is worth following up.
Sales Prospecting
Verify prospect emails before outreach. Stop wasting time on bounced emails and focus on real opportunities.
Email List Hygiene
Regularly clean your existing database to maintain high deliverability and sender reputation.
Join teams getting better results
Get Started TodaySimple, Transparent Pricing
Choose the plan that fits your needs
Start with our free tier or select a plan that scales with your business. No hidden fees, no surprises.
How many emails you have?
5,000 Total Credits
(one-time purchase)
One-time payment, no recurring charges
"The API integration was seamless and the results speak for themselves. Our bounce rate dropped to almost zero."
top rated, trusted partner in email verification
Clean up your Email List quickly!
Stop burning budget on emails that bounce. Clean your list, reach real decision-makers, and watch your ROI multiply. Every validated email is money in your pocket.