Fast, easy, secure email data solutions for all industries.

How we help by need

By Need

Access email-centric data that anchors your data-oriented business strategy.
Improve Deliverability and Response
Connect Data Across Channels
Foster Customer Loyalty
Mitigate Fraud and Risk
industry

By Vertical

Maximize the potential of your First Party data in any industry.
eCommerce and Retail
FinTech
Nonprofit and Political
Technology Platforms

Invest in your first party data.

email validation

Email Verification

Catch and correct invalid email data and preserve your marketing spend.
List Guard®
identity matching

Identity

Get a complete picture of your customers across channels.
Email Append
Postal Append
Email Change of Address
Email Intelligence
fraud prevention

Fraud Prevention

Prevent fraud, mitigate risk and protect the integrity of your database.
engagement

Engagement

Personalize offers, segment + win back customers and get higher response rates.
Email Activity Signals
Website Visitor ID

Learn from our
marketing and data experts.

how we help center

Help Center

Get the answers
API pricing

API Documentation

Let's get technical
free list check

Free List Check

A free health scan for your email addresses
integrations

Integrations

Discover our partners
blog

Blog

See what we're writing about
content hub

Knowledge Center

Videos, whitepapers, ebooks, and more
case studies

Case Studies

See what works
under the hood

Under the Hood

Dive deep into the machine that powers our email data solutions
Email Verification

Leaders in email data services since 1999.

company overview

Company Overview

More about AtData
careers

Careers

Join the team
news and events

News & Events

Read the latest
security

Security

IS0-27001 Certified for you

Login to Your Account

services1

TowerData Login

Catch and correct invalid email data and preserve your marketing spend.
services1

FreshAddress Login

Catch and correct invalid email data and preserve your marketing spend.
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We're Here to Help

When you need a comprehensive approach to assess, enrich and connect your customer emails instantly, AtData’s advanced email data technology provides you with the tools you need.

For faster help, reach out to us at emailexperts@atdata.com or by phone at 1-332-245-4415.

Contact AtData

New York

33 Irving Place
3rd Floor
New York, NY 10003

Boston

770 Legacy Pl
2nd Floor
Dedham, MA 02026

Chicago

707 Skokie Blvd., Ste 607
Northbrook, IL 60062