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Unlock Intelligence About the Person Behind the Email Address

The email address is the central component of a person’s digital identity, and the key to recognizing, understanding, targeting, and reaching them. AtData enables you to make optimal use of digital channels using your first-party data to build more meaningful customer experiences.

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Professionals Validating Emails

Improve Reach and Deliverability with Valid Email Addresses

Email validation and hygiene ensures you capture accurate and safe information for your customers. With over 20 years of expertise combined with machine-learning models built on email activity data, achieve new heights of deliverability with the SafeToSend® Guarantee.

Email Validation

Family at Home Representing Demographic Information

Develop Actionable Profiles to Personalize and Engage

Enhance first-party data to enable omnichannel personalization. Append relevant touchpoints to reach consumers across channels. Add robust insights to segment and personalize throughout the customer journey.

Identity Enrichment

Security Professionals Checking for Fraud

Prevent Fraud with the Largest, Global Email Address Network

Backed by the world’s most comprehensive email address database and billions of real-time monthly signals, our activity history on 98% of email addresses helps prevent costly fraud with fast, easy, and secure access.

Fraud Prevention

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Identify and Retarget Your Active Audience

Reengage consumers based on real-time activity signals from across our industry-leading network, identify and contact unknown website visitors, and update outdated email addresses with our patented Email Change of Address.

Reengage Audiences



Email Identity



Monthly Email
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Emails We Have
Profiles For

Integrated Where Your Email Data Already Lives

Get the email data you need, where you need it, instantly. We already integrate with the major platforms and will work with you to connect with any part of your tech stack.

View Current Integrations

Constant Contact iContact Klaviyo Marketo Maropost Listrak
MailChimp HubSpot AWeber DotDigital Emarsys MailJet
ActiveCampaign Campaign Monitor Salesforce GetResponse Iterable

Trusted by the World’s Leading Brands

For over 20 years, AtData has been trusted by thousands of businesses – including 25% of the Fortune 100 – to provide secure, fast, and accurate email-centric data solutions. There’s a reason we’re The Email Address Experts. Get setup on our ISO27001-certified, GDPR, and privacy compliant API today.

The Nature Conservancy
Camping World
The New York Times
Accurate Quick Secure
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Accurate, Reliable Data with Advanced Machine Learning

Optimize your strategies by continuously learning from patterns, behaviors, and trends: our machine learning algorithms dive deep into vast sets of email data to ensure accuracy and relevancy. Get insights that are predictive, precise, and tailored to your unique business needs.

Business Professionals Discussing Implementation

Quick Implementation with Hands-On Support

Implementing AtData's solutions is straightforward and fast: our team provides hands-on support, ensuring our solutions integrate seamlessly into your current systems. We offer smooth transitions and constant support so you can focus on leveraging accurate data for optimal results.

Security Professional Checking Code to Ensure Privacy

Security and Trust at the Forefront of Everything We Do

In an era of increasing data and privacy concerns, AtData prioritizes safeguarding your data and providing digital trust. Our robust security measures and commitment to privacy ensure that your data remains confidential, compliant, and uncompromised.

Talk with an Email Expert