Real SMTP checks, catch-all scoring, and bulk processing. Know which emails are safe to send before you hit send.
No credit card required. Free plan.
VeriMails uses real SMTP verification and proprietary catch-all scoring to deliver the most accurate results.
No account required.
Unique to VeriMails.
VeriMails is a great tool for saving time and cleaning email lists before outreach. Our bounce rate dropped from 8% to under 1%. The catch-all scoring is a game changer.Jake R. — Head of Growth at B2B SaaS Platform, United States
Bulk CSV processing with real-time progress tracking. Download clean, verified lists ready for outreach.
No account required.
We verify 500K+ emails per month. VeriMails API is fast, reliable, and the pricing is unbeatable. The catch-all probability scoring is genuinely unique.Sarah M. — Email Operations Lead at Digital Marketing Agency, United Kingdom
Use our REST API to verify emails in real-time from your app, CRM, or workflow automation.
Coming soon.
Used and loved by 19,000+ teams worldwide.
Need to verify a list of emails? Upload your list and get your results in just a few clicks.
Bulk Email Verifier →Bring VeriMails into your own product by using the Email Verifier API.
Email Verifier API →Upload a CSV list and get detailed verification results for every address.
Try bulk upload →Remove invalid, risky, or outdated emails so every sequence targets real buyers and protects sender reputation.
Verification prevents deliverability drops that can significantly impact results across all future sales emails.
Regular verification ensures accurate prospect records, reducing wasted outreach and boosting team confidence.
High bounce rates trigger spam filters. Verify your list before every campaign to maintain inbox placement.
Clean lists mean your emails reach real inboxes. Higher deliverability directly translates to better engagement metrics.
Stop paying ESPs to send to dead addresses. Verification cuts wasted sends and lowers your monthly bill.
Verify candidate emails before outreach to ensure your opportunity lands in their inbox, not the void.
Bulk verify hundreds of candidate emails at once. Focus your time on conversations, not bounced messages.
Periodic verification removes stale contacts from your talent pipeline, keeping data fresh and actionable.
Verify your first prospect list before sending. Start with clean data and build sender reputation from the beginning.
Credits-based pricing means you pay only when you verify. No monthly fees eating into your runway.
Add real-time verification to your signup flow or CRM with a single API call. Ship in minutes.
Verify lists for multiple clients from one account. Bulk processing handles any volume your clients throw at you.
Clean lists = higher deliverability = better metrics. Give your clients measurable improvements they can see.
Use the API to build verification into your own platform. Your clients see your brand, powered by VeriMails.
Simple JSON endpoints. No SDK required. cURL, Python, Node, Go — works with everything.
Get notified when bulk jobs complete. No polling required. Build async verification pipelines effortlessly.
Production-grade infrastructure. Rate limits you can actually work with. Generous free tier for development.
Can't find what you need? Contact us →
safe_to_send field as your primary filter — no need to build complex logic around individual status codes.email column header, or emails in the first column. All original columns are preserved in the output file alongside the verification results, so you can feed results directly back into your CRM.Create a free account and get 100 verification credits.
Get started for freeNo credit card required.