Verify email addresses quickly with our email list cleaning service.
See the percentage of deliverable, engaged, and undeliverable email addresses on your list prior to purchasing! All email lists imported to our service are verified for deliverability and given a List Quality Score. Always know the health of your email list with Free List Quality Reporting.
Use one of our supported ESP Integrations to easily link an account, view List Quality Reporting, and quickly verify your email lists. Email verification results are automatically synced backed to your ESP account.
Verify email addresses in real-time at the point of entry, plus use our Batch API for full list verification. Our API is developer-friendly, and provides you with comprehensive deliverability data on each address in your email list.
Use the slider or input your email list size to calculate the cost to clean your email list.
Fast and comprehensive email address validation. There are no setup fees, no contracts, and no credit card required to get started. For lists over 3M, talk to us!
Free email list quality reportsGet Free List Quality Reporting for any list uploaded or synced to our application. Free Reporting includes List Quality Scoring and Deliverability Code Breakdowns for each list.
One-time, comprehensive email verificationA One-time Tuneup provides you with a one-time, comprehensive list verification. Pricing is based on the number of addresses in your email list.
Flexible, pre-paid token packagesToken Packages make it easy to buy verification in bulk, and can be used to verify numerous email lists.
Have a high volume email list or ongoing email verification needs?
Talk to us! We will make sure you get the best deal.
The fastest way to clean your mailing list is to signup using your ESP credentials or an email address. Your email lists will be imported, and your contacts will be analyzed for deliverability. A list quality score indicates the overall health of your contact list. To see the individual contact deliverability data, you'll want to purchase a One-time Tuneup. After purchase, you receive a downloadable address-by-address analysis, your contacts are updated inside of your ESP, and undeliverable email addresses are unsubscribed. Learn more
We are faster, friendlier, more accurate, and our pricing is competitive. With DataValidation, you always know the quality of your email list before purchasing. We analyze hundreds of millions of emails daily, and our comprehensive email verifier process goes beyond basic SMTP and verification checks, also referencing historical bounce, click, open, and opt-out data. It's easy to signup and our ESP integrations makes list cleaning and maintaining a healthy email list a breeze. Learn more
Simply upload your list in a CSV format or link a supported ESP account. You can review your list quality report, and then purchase a One-time Tuneup. Each purchase includes a downloadable Address-by-Address analysis with Email Assurance grades and deliverability codes assigned to each email address. The Safe list only includes A+ and A grades. If you purchase a linked list, the grades are synced back to your ESP at purchase, and F results are unsubscribed. Learn more
No, you do not need to pay before having an email list validated. Upload a list or link an ESP account, have your list validated, and view your Always Free Email Assurance Report before you buy! We believe you should always know the health of your list prior to purchasing it. You only pay to access the cleaned email list and Address-by-Address analysis. Learn more
Dina is using her skills as a former educator to empower our customers. She is a wife and native New Yorker, who dreams of traveling the world.
Alex is a gadget freak who likes knowing everything new on the market. He is an NFL enthusiast that loves tv series, movies, soccer games. His hobbies include swimming, basketball, soccer, and reading.
With a background in psychology, Bogdan enjoys traveling and meeting new people. Put a pair of drum sticks in his hands and you’ve got him busy all day long.
In less than two weeks we went from an 87% reputation to 98% with SendGrid. We have pleased the ISP gods thanks to your team!— Mikhail Avady, IP SmartUP
I was a bit desperate yesterday after MailChimp blocked one of my uploaded lists. It is clear that DataValidation solved this very quickly. Thanks a lot!— Yves Van Hee, Atradius
DataValidation saved my life! I had to migrate the newsletter campaigns from a self-programmed system to Zoho Campaigns, and I recognized, too late, that the dataset was horrible. Zoho blocked me during the first campaign.— Hans-Henning Schulz, Deutscher Verlag für Gesundh
I LOVE your service. I’ve used the MailChimp integration, which works like a dream. I will be recommending your service to all my MailChimp clients as a “good practice” tool to add to their arsenal.— Bridget Gilchrist, Tin Soldier Ltd.
Thanks very much for cleaning my list, the service works very well.— Ross Debos, Sunday SouLounge
Super. I didn't expect the Mailchimp integration. It made everything painless.— Philip Owen, volgatrader.com
The service I have received has been fantastic. Without any doubt the best online service I have ever had. Thank you!— Andrés Gómez-Peña, IDB
On our first eNews to nearly 2,500 subscribers, we had only 5 bounce-backs and 7 unsubscribes. No way that would have been possible without your service! Thanks, DataValidation, for keeping us in compliance!— Jodie Rogers, University of Oregon
You guys are awesome. I've been looking for a platform like this for 2 months to vet media contacts for my startup so I don't trash our domain in spam traps. This was the most effective tool I've found, and I'll be using it again on the consumer side as we develop a direct email marketing campaign.— Jared Criscuolo, seededbox.com
Y’all have a great service with a nice clean, user friendly interface. Glad to be able to have multiple versions of our list to make use of. No doubt I’ll be using the services of your company again in the near future.— Cody Reid, Brunk Auctions
I'm very pleased with how fast I got a reply to my questions. Also very satified with the price and service. Great job.— Joshua Guilfoyle, New York City, NY
Very useful — helped us get over the hump with our first import of 6-year old data to MailChimp. Now running much more smoothly!— Alex English, Tampa Bay Regional Transportation Authority (TBARTA)
Thanks Data Validation! It was easy to use and after I studied the definitions, I was able to re-sort my data for upload to MailChimp. In addition, your tips about sending emails to the Accepts All emails was extremely helpful!— Jennifer Hoskins, PHR
It's awesome!! I was able to import the cleaned list of A's and B's into MailChimp no problem, whereas before cleaning with DV, MailChimp let me know a re-opt in would be required. I'm thrilled with this service!— Lily Starling, ParkWinters.com
We tried DataValidation on advice from a colleague. The service was easy to link to Mailchimp, and was extremely affordable.— Jodie Rogers, University of Oregon
We are VERY satisfied. Your service has refreshed our stale mailing list and contributed to the surrealistic celebration of the Domestic Research Society's 10th anniversary - high in the Julian Alps!— Alenka Pirman, Domestic Research Team
Your service has been outstanding, and I especially liked your LiveChat feature - very helpful!— Karen Burke, Crop King
We saved thousands of dollars that would have been spent on bounces and opt-outs by using DataValidation's cleaning tools. Now, we use their real-time protection so we never have a bad list again.— Blake, Perdue for Senate
Thank you very much! Your service is super!— Lexi Serebro, ToneDef.co.za
Thanks for your service, it was helpful and easy to use! MailChimp knew what they were doing when they recommended you.— Abby Rubottom, FloridaPromise.org
We are very pleased with your service and fast turnaround time. We ran a small list through and then sampled those emails through our email platform.— James J. Marks, Background Info USA