MillionVerifier
Email verification service and API for clean email lists.
MillionVerifier is an email verification service designed to help businesses protect sender reputation and reduce wasted marketing spend by identifying invalid, risky, and temporary email addresses. It supports verification of individual addresses, bulk list cleaning, real-time checks at signup, and ongoing list maintenance through connected email service providers.
The platform offers an Email Checker for single-address verification, Email List Verification via CSV, TXT, or XLSX upload, a Bulk Verifier for large lists, and a REST API for real-time checks. EverClean automates daily re-verification of new subscribers within Mailchimp, HubSpot, and ActiveCampaign. Catch-all detection is included, and the service integrates with 40+ email marketing and CRM tools, including Mailchimp, HubSpot, ActiveCampaign, SendGrid, Mailgun, and Constant Contact.
MillionVerifier is suited for marketing teams, sales and support staff, agencies, and developers managing email lists or signup flows. It is packaged as pay-as-you-go verification credits that do not expire, with volume-based pricing and no contracts. A free account includes 100 credits, and a refund is offered for emails the service cannot verify with certainty.
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