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Editor's Overview

TowerData is designed to help email marketers engage customers behind the email address. Apart, from accurate email validation, TowerData also offers services like Email intelligence and Email append. TowerData will be the preferred choice if you are looking from an Intelligent email verification service.


  • Detailed PDF report for verified results.
  • Faster turnaround time, TowerData system is capable of validating 100K emails in 2-3 hours.


  • Limited online support via live chat.
  • The minimum order value is $50.

  TowerData - Ranked 23rd in Pricing

Number of Email Verifications Cost/Price
5000 Email Verifications $50
10000 Email Verifications $100
100K Email Verifications $900
500K Email Verifications $3000
  • The minimum order value is $50.
  • Cost for verifying 100k emails is on the higher side. i.e $900

Top 10 Most Affordable Email Verification Vendors

(Cost for 10k Email verification)

See All Affordable Email Verification Vendors

TowerData - Ranked # in Accuracy

No Audit for current period

  • TowerData states to remove 95% of bad emails from the list.
  • We do not have the latest accuracy performance report for TowerData

No Audit for current period.

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Top 10 Most Accurate Email Verification Vendors

TowerData - Multiple Different Validations

TowerData Accuracy Vs. Avg. Industry standards

TowerData Accuracy Industry Average

TowerData - Ranked # in Turnaround

No Audit for current period

  • Their process takes 2 to 3 hours to validate 100K email addresses.
  • Resultant file was ready for download only in 4 minutes (100 emails).

No Audit for current period.

Top 10 Fastest Email Verification Vendors

(Turnaround Time per 10k Emails)

TowerData - Ranked 0th in Free Trial

  • TowerData offers 100 free verification for trial - One time.
  • No Credit card is required
  • After the trial expires, you can still upload the new list and get the overview of results and also download the sample report before making a purchase.

No Free Email verification available without Signup

One Time 100 verifications available after signup

Credit card Not Required

Integration Options

  • TowerData facilitates integrations like MailChimp, Constant Contact, Bronto, HubSpot.

Advance Features

  • TowerData goes beyond email verification and provides services like Email intelligence and email append.
  • TowerData Email Intelligence provides valuable demographic, interest and purchases data on 80% of email or postal addresses in batch or via a real-time API.
  • TowerData Email Append attaches business and consumer email addresses to postal records, keeping you in touch with direct mail subscribers and boosting the size of your email list in one fell swoop.

Major Clients

client1 client2 client3 client4 client5 client6 client7 client8 client9 client10 client11 client12 client13 client14 client15 client16 client17 client18 client19 client20

Sign up process

  • Sign up process is carried out by email verification.

App installation required?

  • Using services of TowerData does not require any installation or download.

Formats for file Upload

  • Formats acceptable for uploading the lists are - .csv and .txt.
  • Files can also be imported using integration options.

Format for file Download

  • Resultant files will be available in .csv and .txt for download
  • The email will be sent on a registered email address, once the verification gets completed.
  • TowerData also provides a detailed PDF report for the verified results.

Customized / scalable services

  • On-demand custom quotes are available, Contact TowerData's customer support for requesting the custom quote.
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Customer Support

  • Limited customer support via email and phone is available from TowerData.
Claimed By TowerData
Live Chat
Live Chat
  • Excellent
  • Good
  • Average
  • Not available

Real-time verification through API

  • TowerData offers Real-time verification through API. TowerData API allows access to Email verification, Email correction, Postal Append, Email intelligence, Email activity.
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From the business

About - TowerData

Established in 2001.

TowerData is one feature-rich email verification provider, the services offered by TowerData is designed to make email list cleaner, bigger and more robust. 

Services like Email intelligence, Email validation, Email Append are aiding marketers to engage the customer behind the email address better. 

TowerData is much more than just Email verifier which have earned it a variety of clients from vivid industries including retail, business services, publishing, non-profits, and politics. Some of the notable clients working with TowerData are Toyota, Emarsys, and Mazda. 

TowerData is highly accurate invalidating the email list irrespective of its size, but the minimum checkout requirement is $50.

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