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

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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.
Get Started

Unlock new channels and maximize the power of your customer data with Identity Matching.

Reach out to the AtData team

One Billion Unique Records

Identity Matching builds a complete picture of your customers across channels with AtData’s proprietary technology
and data assets, including more than 1 billion unique customer records.
Email Append

Match deliverable emails with your postal list.

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Postal Append

Add postal addresses to your email list.

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Email Intelligence

Personalize offers, segment customers, and improve response rates.

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Email Change of Address

Reconnect with lost customers and protect ROI.

Learn More
schedule a meeting with sales

Talk with an Email Expert

Contact Us