The ultimate solution for Email Validation and Data Appends

Powerful tools that enable you to take your data management and email campaigns to the next level. Learn a bit about us and our services.


Instant Form Validation

Validate customer emails at signup to catch typo errors and fake accounts. Easily generate custom forms with our form generator or add a simple java script from our examples.

Real-time API

Integrate Email validation into any custom application from point-of-service email collection to online and mobile applications. Access all of our API’s for even more functionality.

Improve Email Delivery

By removing invalid email address, you can drastically cut your hard-bounce rates, thereby improving email delivery and inbox rates. Many email service provider will even block accounts with too many invalid addresses.
Get your first 200 validations free

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99% accurate


Save Resources

Save Resources

Ensure addresses are valid and deliverable before attempting to send any email.

Consistently Formatted Data

Consistently Formatted Data

Simplify reporting and management by having all addresses stored in the same format.

Learn more about our Email Validation Services

Data Append

Fill in the missing pieces from your customer data. Reveal facts/insights about your customers. Better segment your users.
Available fields

Reverse Email Append

When onboarding data email address could be missing, reverse append your customer’s email addresses using their name and address.
Learn more about our Data Enrichment Services

Data Insights

Identify known Spam Traps, Bots, Dormant Accounts, and other email-based threats
Real-Time Updates

Real-Time Updates

Automatically get demographic data updates

Data Assurance

Data Assurance

30-day validation re-checks

List Management

Powerful tools to help you effortlessly manage your data
Out of the box solution

Out of the box solution

Easily manage all your data in one central location. Anytime/Anywhere data access. Drag and drop controls with data segmentation controls.

File Import

File Import

Drag and Drop imports from Excel, CSV, or text files.

Custom Forms

Custom Forms

Easily create custom forms with automatic email and address validation using the forms wizard.



Quickly sync data from Mail Chimp, Constant Contact, Sales Force, and more.



Validate and Post data in real-time with API support.

Learn more about our Email List Management Services
How it works together
Email Oversight provides a suite of tools to help make email list management a painless task, through the use of custom forms, file import and synchronization features, data append capabilities, suppression list management, as well as custom report generation, and file export. All this is available with the support of a high-performance API, which provides clients with a vast array of possibilities when it comes to their email list management needs. So how does all this work together?
  • Custom forms
  • File import
  • Sync
  • Api
  • Email / address validation
  • Data insights
  • Data append
  • Social Profile and Activity
  • Suppression api
  • Unsubscribe links
  • Suppression lists
  • List Management
  • Custom Reports
  • File Export
  • Sync
  • Api
Should we get started?

If you still have any unanswered questions, please contact us, or check out the FAQ page