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Upload CSV, TXT, or Excel files containing up to 10,000,000 leads. Download pristine, segmented lists with zero hard bounces.
Supports CSV, TXT, XLS, and XLSX up to 500MB (10M rows)
Download separate files for 100% Deliverable inboxes, Catch-All domains, or Invalid records to keep your CRM immaculate.
All custom CRM fields (First Name, Company, Lead Source, Phone) are preserved untouched. We append status & deliverability scores cleanly.
Process lists in the background and receive instant webhook callbacks or automated direct downloads as soon as processing completes.
Join thousands of growth marketers, outbound sales leaders, and developers verifying billions of mailboxes with HyperVerifier.