Email Address Validation For Professionals and Enterprise

Email validation online service for professional marketers and their clients

Secure and trustworthy with ISO 27001 compliance.

Extract just the valid, working email addresses from your customer lists. Make more money from your email campaigns. Reduce the stress of dealing with huge amounts of bounced emails.

Email Hippo prevented

hard bounces since October '15!

Receiving live results

ISO 27001 / GDPR Compliance

Industry recognised accreditation ensures that your data remains private.

Fast, Reliable Service - Anywhere

Data centers running the latest hardware in US, SE Asia and Europe. 99.9% uptime - better than our competitors.

Powerful Analytics

Actionable reports that go beyond the basics. Track the bad email addresses and what makes them bad.

Email Hippo Core
Fast, accurate email validation

Email list validating should be quick, accurate, affordable and easy – so that’s exactly what we give you with Core. Simply upload your lists and self-serve.

Features & Benefits

  • ISO 27001 certified data privacy.
  • Check lists on demand online in a ‘self-serve’ environment. Core will email you when your checked list is ready to download.
  • Upload your file(s) by cut paste or drag and drop.
  • Your Core dashboard displays results graphically, with key information such as deliverability and domains highlighted.

Email Hippo More
The world’s most comprehensive email validation and data enrichment service

Email validation that gives you More. More checks, More data, More benefits, More uses.

email validation API

Features & Benefits

  • ISO 27001 certified data privacy.
  • Results from the More API are returned on an unprecedented 74 data points. That’s 62 more than before, and at least 50 more than any other email validation business.
  •   Scoring for inbound and outbound email activities (receive and send).
  • Unique Hippo Trust® score helps you decide quality of email addresses.
  • Bad email address detection.
  • Beat the bad actors with advanced DEA detection, website PING and spamhaus lookup.
  • Longitudinal reporting is provided – text and graphics.
  • Multiple protocols supported. JSON, BSON, XML and protobuf.
  • Integrates with more than 20 frameworks and languages using client code generator.
  • > 99.9% uptime.
  • Global cloud based servers for fast response time.
  • Big data volumes? Our auto-scaling cloud based systems cope with large data volumes up to 40 million email addresses per month with ease.

Large Files

For files containing more than 500,000 email addresses

huge file processing

Features & Benefits

  • Huge files with more than 500,000 email addresses.
  • No hassle service (e.g. you don't need to carve up files into smaller chunks). We do the hard work.
  • Fast delivery / turn around.

Why Choose Email Hippo?

Privacy and Security

With our ISO 27001 certifcation, you can be confident that your data is secure and not shared with third parties. All PII is stored in secure, compliant data centers located in the EU.

Would you trust non-certified providers with your data?


In 2009, we created the world's first self-service online batch verification tool. We did this because we believed we could solve the pain caused by unsatisfactory results generated by the desktop based tools at the time.

Today, in 2018, we still do this because we are passionate about solving the problem of dirty email addresses for our customers.


If you are using cloud based email verification technology services you need to be confident that services will be there when you or your business critical application needs them.

Our 99.9% uptime guarantee is the best in the industry and is backed by our SLA. Our live Status Page shows current and past performance and provides news of system updates.

White Paper

For marketing decision makers

why do I need to verify emails?

  Which works better, Email or Social Media?
 Why it's not a good idea to purchase email lists.
 How to create the perfect email marketing list.

Over 1,200 businesses have purchased our services