Verify email addresses quickly with our email list cleaning service.
All email lists imported to our service are verified for deliverability and given a list quality score. You can see the percentage of deliverable, engaged, and undeliverable email addresses on your list. Always know the health of your email list before deploying an email marketing campaign.
Simply link your ESP account, view your free health reports, and clean your email lists. The email verification results are automatically synced backed to your ESP list, and undeliverable email addresses are unsubscribed.
Purchase a One-time Tuneup or Email Assurance for a linked list and receive the first 30 days of Email Assurance monitoring and remediation free. Your lists are scanned daily, and undeliverable addresses are automatically unsubscribed, protecting your sender reputation.
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 2M, talk to us!
Free email list quality reportsUpload or link unlimited email lists
Comprehensive email validation and list cleaningDownload detailed results
Monthly subscription for linked listsAnalyzes email lists daily
Have a high volume email list or ongoing email verification needs?
Talk to us! We will make sure you get the best deal.
Our self-service platform scans your email list(s) for undeliverable email addresses, and provides a free list quality report before you purchase. Our One-time Tuneup (aka email validation service) removes undeliverable email addresses, preventing high bounce rates and deliverability problems. Our ESP integrations and APIs help email marketers and ESPs automate email list maintenance. Email Assurance analyzes email addresses for deliverability on a daily basis and syncs the results back to ESP lists. Learn more
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
Email Assurance allows your list to grow without worrying about deliverability issues. Never worry about the hassle of cleaning an email list again. Assured email lists are analyzed and synced daily with updated grades. Undeliverable emails are automatically unsubscribed from assured email lists. 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
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
It depends on your needs as an email marketer. A One-time Tuneup cleans up your email list one time. Email Assurance scans your email list daily and automatically removes undeliverable contacts before they bounce. If you have a high growth email list, Email Assurance is ideal and helps alleviate some of the complexity of managing deliverability. Every One-time Tuneup includes 30 days free of Email Assurance. Learn more
Mike is a serial entrepreneur with extensive experience in email, security, and digital marketing. He is also a husband, father and off-road adrenaline junkie.
Rick is a confirmed technologist with experience as a developer and author focusing on NoSQL databases and Python. He is also a husband to Nancy, father to Matthew & Anna, and loves hiking in the mountains.
Ashley is a marketer turned channel partner evangelist with a passion for data and analytics. She is an avid coffee drinker and family kind of gal, learning what the startup life is all about.
Maria is an experienced startup marketer with a background in email compliance, user acquisition, and growth hacking. She's an avid baseball fan and has two dogs, Lucy and Layla.
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After experiencing an internship of a lifetime, Kush knew he was destined to be part of our team. He loves heavy metal, Python, and dominating in our daily foosball tournament.
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