The most comprehensive email verification service with 99%+ accuracy, the lowest prices, and a real 100% money-back guarantee for risky emails.
Takes less than 1 minute · No credit card required · 100 free credits
Seamless 1-click integrations for
Four ways MillionVerifier protects your sender reputation and saves your marketing budget.
Haven't emailed your list in 2+ months? Verify before you send to protect your domain reputation.
Verify old emails »Catch typos and fakes at the signup form with our sub-second REST API.
See the API »Stop fraud, abuse, and throwaway signups. Detect temporary and role-based addresses.
How it works »EverClean verifies new contacts every day inside your Mailchimp, HubSpot, or ActiveCampaign account.
Meet EverClean »From single-email checks to daily automation across your entire email marketing stack.
Verify a single email in real time, free. Perfect for support teams and sales reps.
Upload a CSV, TXT, or XLSX and get a fully cleaned list in minutes.
Verify millions of addresses fast with enterprise-grade infrastructure.
REST API with global low-latency endpoints and generous rate limits.
Set it once. We verify every new subscriber in your ESP, every single day.
Industry-leading accuracy at prices nobody else can match — with a no-questions-asked refund.
Verified against billions of real-world sends. Independent tests rank us #1.
1 Million verifications for $449. Credits never expire, and bulk discounts stack.
Full refund on any email we can't verify with certainty. Only we offer this.
Advanced catch-all verification at no extra cost. Detect and handle them effectively.
Connect Mailchimp, HubSpot, ActiveCampaign, SendGrid, and more in one click.
Every MV user gets lifetime access to EmailAcademy's full deliverability curriculum.
24/7 chat assistance, live human support during working hours.
We never sell or use your data. Sign our DPA on every plan, including free.
Pick a volume, pick a plan. No contracts. No expiry. No gotchas.
Buy credits once. Use them forever — they never expire.
Only $89
$0.00178 per credit
100% money-back guarantee · Credits never expire · Volume pricing available above 50M
Rated 4.6 / 5 by 70,000+ businesses.
"MillionVerifier saved us thousands in marketing costs. The accuracy is incredible and the refund policy for risky emails is a game-changer."
"I just verified over 300K email addresses. Results came back fast and the bounce rate dropped from 7% to under 1%."
"Never send email to a list without checking the emails here first. The interface is simple and the support is excellent."
"In my experience this is the most accurate email database verification tool on the market. Nothing else comes close."
"Very easy to use, highly recommended. The API saved our signup form from thousands of fake accounts."
"Value for money. Accurate results. Would use again, and have recommended MV to three other companies."
Connect MillionVerifier to your email marketing stack in one click. No CSV exports, no manual uploads.
Playbooks and case studies from the MillionVerifier team.
Most deliverability problems appear in bounce logs or spam complaint rates. Teams often confuse them. Since Gmail started rejecting non-compliant mail in November 2025,…
Most companies that come to GTM Walnut have already tried outbound twice. First they ran it in-house. Then they paid an agency. Neither worked.…
The call usually starts the same way: a client opens with "we need to talk," and by the second sentence you know your…
Create a free account, get 100 verification credits, and see why 70,000+ businesses trust MillionVerifier with their email reputation.