MillionVerifier

C tier on Email Verification ServicesScore 6.4 · #8 of 36

Android app: Not listed
Free plan: Trial only
Runs on: api, Web

millionverifier.com

Summary

MillionVerifier checks email addresses individually, in uploaded lists, or through connected services and API workflows. It accepts CSV, TXT, and XLSX lists, supports bulk verification and imports from email-service providers, and offers a REST API described as sub-second for signup forms. Its EverClean feature checks new contacts in connected email-service-provider accounts each day and can remove bad addresses automatically. The service advertises 99%+ accuracy, advanced catch-all checks at no extra cost, and refunds for addresses it cannot verify with certainty, including a 100% money-back guarantee for risky emails. More than 40 integrations are listed, including Mailchimp, HubSpot, ActiveCampaign, and SendGrid; custom endpoints can connect other CRMs or databases. MillionVerifier is available through web and API access and is for business, professional, trade, public-sector, or organizational use. It has a free plan and trial. Paid credit bundles start at $39.00 USD per once for 10,000 credits; purchased credits do not expire.

Who it is for

It suits organizations that need to check individual addresses, clean lists, or verify new contacts through an API or email-service-provider connection. Its listed use is limited to business, professional, trade, public-sector, or organizational customers.

What is good

Checks single addresses and CSV, TXT, or XLSX lists
REST API supports signup-form verification
EverClean checks connected accounts daily
Advanced catch-all checks cost no extra
Purchased credits never expire

What to know first

Available only for organizational or professional use
The 10,000-credit bundle costs $39.00 USD per once

Verdict

MillionVerifier combines list cleaning, API checks, and integrations with ongoing checks through EverClean. Its free plan and non-expiring credit bundles offer different ways to start or pay for verification.

MillionVerifier plans and pricing

All plans

10,000 verification credits $39 once Buy once 10,000 credits · $0.0039 per credit · credits never expire millionverifier.com · 30 Sept 2026

25,000 verification credits $59 once Buy once 25,000 credits · $0.00236 per credit · credits never expire millionverifier.com · 30 Sept 2026

50,000 verification credits $89 once Buy once 50,000 credits · $0.00178 per credit · credits never expire millionverifier.com · 30 Sept 2026

100,000 verification credits $149 once Buy once 100,000 credits · $0.00149 per credit · credits never expire millionverifier.com · 30 Sept 2026

500,000 verification credits $299 once Buy once 500,000 credits · $0.00059 per credit · credits never expire millionverifier.com · 30 Sept 2026

1,000,000 verification credits $449 once Buy once 1,000,000 credits · $0.00044 per credit · credits never expire millionverifier.com · 30 Sept 2026

Compared on email verification services

Free plan: Yesmillionverifier.com
Disposable detection: Yesmillionverifier.com

Facts

Core function: MillionVerifier verifies email addresses and advertises 99%+ accuracy.millionverifier.com · 30 Sept 2026
Verification workflows: The service supports single-email checking, CSV/TXT/XLSX list verification, bulk verification, API verification, and ESP integration imports.millionverifier.com · 30 Sept 2026
Real-time API: Its REST API is described as sub-second for signup-form verification and as having global low-latency endpoints.millionverifier.com · 30 Sept 2026
EverClean: EverClean verifies new contacts in connected email-service-provider accounts every day and can remove bad emails automatically.millionverifier.com · 30 Sept 2026
Risky-email refund: MillionVerifier says it fully refunds emails it cannot verify with certainty and provides a 100% money-back guarantee for risky emails.millionverifier.com · 30 Sept 2026
Catch-all checking: Advanced catch-all verification is included at no extra cost.millionverifier.com · 30 Sept 2026
Integrations: The company lists more than 40 ready-to-use integrations, including Mailchimp, HubSpot, ActiveCampaign, SendGrid, and many other email-marketing and CRM tools.millionverifier.com · 30 Sept 2026
Custom integrations: Customers can connect virtually any CRM or database through custom integration endpoints for manual or automated list cleaning.help.millionverifier.com · 30 Sept 2026
Security and privacy: MillionVerifier states that it is GDPR compliant, uses servers in Hungary and Sweden, does not sell customer data, and automatically permanently deletes uploaded files and result files within one month.help.millionverifier.com · 30 Sept 2026
Support: The website advertises 24/7 chat assistance and live human support during working hours.millionverifier.com · 30 Sept 2026
Business audience: The Terms state that MillionVerifier is available only for business, professional, trade, public-sector, or organisational use.millionverifier.com · 30 Sept 2026
Trial credits: After registration, the company offers up to 10,000 credits through an integration, 500 free credits with a business email, or 2,000 credits for $4.90.help.millionverifier.com · 30 Sept 2026
Credits: Verification credits are purchased once and never expire.millionverifier.com · 30 Sept 2026
Training: Every MillionVerifier user receives lifetime access to EmailAcademy's full deliverability curriculum.millionverifier.com · 30 Sept 2026