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.
SafeToSend®
Email Validation
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

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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

Collect Real Emails and Connect with your Customers with AtData Email Validation

By catching and correcting bounces, complainers and toxic emails, Email Validation avoids lost leads by prompting customers to enter accurate information and enables you to reach more customers with greater inbox delivery.

Since 1999, AtData has been serving up global email validation to the industry's smartest marketers and developers. Featuring ISO-27001 certified systems with the highest throughput, fastest response time and lowest unknown rate on the market, AtData Email Validation protects the integrity of your website, subscriber list and email delivery.

Reach out to the AtData team

unlock

SMTP and proprietary mailbox verification

Improve single view

Syntax and typo correction

recapture initiatives

Over 30 disposition codes for precise handling

How to Access AtData Email Validation

Correct typos, avoid blocklists and improve email deliverability by removing bouncing email addresses, disposable domains, and toxic-but-deliverable spamtraps and honeypots.

collaboration

Managed Batch Project Based

Clean your email list using the expert knowledge of the most experienced and dedicated team in the industry.

Managed Service is perfect for:

  • Projects that require the insight of a dedicated project manager and expert data engineers
  • One-time runs and projects with special requirements
batch emails

Automated Batch

Fast & easy cleaning for frequent projects. Clean your email lists 24/7 via SFTP, API or our website. Perform routine cleanups in minutes.

Automated Batch is perfect for:

  • Cleaning new collected emails
  • Preparing lists for campaigns
  • Routine existing data cleanup
speed

Real-Time

Block problematic addresses at the point-of-entry and correct registration errors in milliseconds. 

Real-Time is perfect for:

  • CRM and POS systems
  • Client-side integrations
  • Web-based forms
schedule a meeting with sales

Talk with an Email Expert

Contact Us