Free email address validator

Enter an email address below to check in real-time if it's real, using our free online email validator. We'll let you know if it's properly formatted and verify that its mailbox exists and is able to receive mail. We'll get you a detailed response without ever sending an email!

Email List Cleaning

Super-fast speed, 99% accuracy.

Clean your mailing lists with Verifalia's AI email verification: achieve 99% accurate and detailed results at unbelievably high speed, detecting invalid, risky, and undeliverable emails.

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Email Verification API

Free and open source SDKs included.

Microsoft .NET Standard, .NET Framework, .NET Core email verification

Integrate our real-time email verification API with your app and prevent invalid and undeliverable emails, both single and bulk, ensuring data integrity. Ideal for user segregation and resellers, with multiple user support and enhanced security.

Developers documentation

How Verifalia works

Latest tweets - twitter.com/verifalia

Thursday, September 14, 2023

🚀 We have just released version 1.9 of our email verification widget: easily embed our email checker into any website, no coding required! 🎉

What's new: built-in support for HubSpot, Instapage, Kendo UI for jQuery, KickoffLabs, Leadpages, and Unbounce!

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Tuesday, August 15, 2023

We just improved our Yahoo email verification algorithm, which now fully supports Yahoo's recent changes to its mail exchangers and is faster than ever! 🚀

Thursday, August 10, 2023

🔥 Version 1.8 of our Javascript widget is out! 🔥

Improved verification speed, added selector and styling configuration fields, added support for Adobe Marketo Engage and much more... without the need for coding skills! ✨

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Friday, May 26, 2023

Exciting update for our fellow .NET developers! 🎉🔧 Our .NET SDK is now at version 4.1, with added support for filters when listing email verification jobs. Enjoy the enhanced functionality!

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From our blog

Invalid emails in HubSpot, InstaPage, KickoffLabs, Leadpages and Unbounce? You can now block them with our email verification widget.

September 21, 2023

Website and landing page builders are fantastic tools for attracting leads and boosting conversion rates. Building funnels with these tools is a breeze, and the outcomes are impressive. But here's the critical question: are the emails you're gathering with these tools valid and deliverable?

Exciting New Features Added to Our Email Verification API - Version 2.4

February 21, 2023

The latest release of our email verification API comes packed with some cool new features, including the ability to recognize parked or inactive mail exchangers, configurable waiting times, relaxed HTTP 429 status codes, and improved completion callback options. Read on to find out more!

Where to Find Free Images and Media for Your Email Marketing Campaigns

February 09, 2023

Finding free images for email marketing campaigns can be difficult on a tight budget: fortunately, there are many online resources offering free images for marketing materials.