Normalize email addresses across Gmail, Outlook, Yahoo, and Fastmail to stop duplicate signups
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Updated
Sep 18, 2026 - Go
Normalize email addresses across Gmail, Outlook, Yahoo, and Fastmail to stop duplicate signups
Detect disposable, temporary and fake email addresses with one API call. Checks 75,000+ throwaway domains, syntax, MX records and free webmail — block fake signups.
A standardized email and phone number normalization and hashing utility that follows UID2 specifications for email address and phone number processing. This tool ensures consistent normalization and hash generation for identity resolution and data matching purposes.
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