Email verification and finder tool that processes data in real time without storage
The email verification tool built for scale with real-time SMTP checks and 99.9% accuracy
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Free version verifies one email at a time with no signup. Pro plan: 100,000 emails per day. Ultimate plan: 200,000 emails per day. Plan quantities can be multiplied at checkout; for example Ultimate x5 gives 1,000,000 emails per day. Bitcoin payment accepted via Pay with crypto option.
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Key features
Real-time email verification checking DNS records and SMTP
Email finder to discover valid business contact addresses
Detects invalid, disposable and catch-all addresses
Anti-spam detection and deliverability analysis
Syntax validation for email format
RESTful API integration for applications
Analytics and reporting of verification results
CSV export and spreadsheet integration
No data storage or retention of verified emails
GDPR compliant privacy-first verification
Live SMTP mailbox verification checking if a mailbox exists and accepts mail
Bulk file upload and processing for CSV and XLSX lists
REST API with batch requests supporting up to 50 addresses per call
Risk flagging for disposable, role, and catch-all addresses
MCP server integration for AI agents like Claude and Cursor
Email finder turning a name and company domain into verified work address
White-label service with custom domain and client workspaces
Free email tools including SPF, DKIM, DMARC checkers and DNS lookups
What makes it different
Never stores verified email addresses on servers, ensuring full GDPR compliance
Achieves bounce rate of less than 1% with verified emails
Uses deep technical analysis beyond surface-level email checks
No signup required, free access with no personal data collection
Over ten years of industry experience in email verification and deliverability
MailTester Ninja
BillionVerify