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Email Intelligence


Starts from Free

TowerData helps improve the quality, size, and performance of email lists. It can help improve the delivery rate, and segment email lists for better response by validating and correcting email addresses, enhancing email addresses with additional points of contact, demographics, and quality scores.

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FullContact provides a suite of tools to support individuals, businesses, and developers in managing and enhancing their contact data. The FullContact Person API allows customer application to lookup information about a specific person by passing data associated with that person's email address, phone number, Twitter, Facebook, or vCard.


Starts from Free

Clearbit indexes public information on companies and people so its customers can programmatically get info quickly and reliably. It provides APIs for quick OFAC compliance checks on names and address validity. Send Clearbit an email address or company URL via an API call and you’ll get back a bunch of useful information on the person or company you’ve queried.