How to get additional services from Email Hippo. We do email verification and WHOIS services. Find out more.

We are really happy that you are enjoying our free tools.

Your quota resets at midnight UTC, after which time you can continue to use the free tools on this website.

If you need more usage allowance, please feel free to explore some of our commercial offerings below.

Batch / File Processing

Tap into the power of our services with quick, self-serve list checking.

Use CORE to add value to your data. When you know the good and bad email addresses on your list you will save time, improve marketing results and reduce bounced emails.

Real time RESTful API

Explore a universe of email validation with our comprehensive API.

Get accurate results quickly and analyse 74 datapoints about every email address you check. Use MORE to add value to your data and enhance your business performance.


Access consistent, reliable WHOIS data via an easy to call API that unwraps 2,500 sources.

WHOIS presents domain age intelligence that the data enrichment industry has been wishing for.