TowerData Review

TowerData Inc.


TowerData is a great player in the email industry: in addition to being the leading email validation service provider, it provides tools for a winning multi-channel marketing campaign. Email validation and email marketing work arm in arm: to improve your campaign’s deliverability you have to boast clean subscribers lists. Tower data helps you reaching higher opens, clicks, and conversions: it validates your data, removing bad emails and detecting habitual complainers, honeypots and spam traps, bad domains, syntax errors, typo and misspellings, spam keywords, disposable email address (DEA) and role accounts.

Moreover, a comprehensive check determines whether messages to a particular mailbox will deliver, hard bounce, or soft bounce. A detailed reporting provides 30 diagnostic codes to categorize which emails are bad and why letting you also know you how old and active an email is and when it last opened. Thanks to API integration, you can validate email addresses in real-time from browser and mobile. Batch validating is available through FTP.

Tower Data pricing plans are per $0.01/query with a $100 monthly minimum through API and a $100 minimum per file in batch. Free trial available up to first 1000 email addresses validated.


TowerData offers real-time API, spreadsheet processing services, and feature-rich email marketing tools.

Usability: 8 /10 Speed: 7 /10 Features: 8 /10 Support: 7.5 /10 Pricing: 7.5 /10

Users Reviews


  1. TowerData is one of the reputed email verification services that is highly accurate. The value-add services like email activity metrics make TowerData a preferred choice amongst other. As a user, the only thing that I found is the minimum order value is $50 which does not sound suitable for verifying email list with fewer records. I found cheaper alternatives with the same offerings and accuracy here


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