Email Verification | Whois XML API

Ensure the validity and quality of any email address

Get started

1000 free requests monthly. No credit card required.

For every email address, we check

  • Syntax

    Check if the email address conforms to the IETF standards by using a complete syntactic email validation engine.

  • Typos and curse words

    Check the email address against for common typos regarding popular email domains. Check fake email patterns.

  • Disposable email address

    Check if the email address is supplied by a known Disposable Email Address provider such as Mailinator, 10MinuteMail, GuerrillaMail and 2000+ more.

  • Mail server existence

    Check the availability of the email address domains by using DNS MX records.

  • Mailbox existence

    Check if the email address exists and can receive emails by using SMTP connection and email-sending emulation techniques.

  • Catch-all email address

    Check if the email address can receive emails for any number of other email addresses.

Email Verification product line includes

Lookup

Instantly find out the existence, validity & quality of a given email address with the handy online tool.

Email Verification Lookup | Whois XML API
Email Verification API | Whois XML API

API

Our Email Verification API performs a comprehensive verification of e-mail addresses in real time, in a very convenient manner. Verify the email addresses of new user registrations, reduce email bouncing, block spam and more.

Bulk processing

We provide an easy-to-use online Bulk Email Validation service. Upon registration, you will get 1,000 Free Email ID Checks per month. For correct validation, the file must meet the requirements. Upload your existing data and download the result in a format convenient to you – CSV, JSON or XML.

Email Verification Bulk API/GUI | Whois XML API
Disposable Email Domains Data Feed | Whois XML API

Data Feed

Get a complete current list of disposable email domains and find out if a given email is from a disposable email service or not, with the most relevant and up-to-date data available.

The data we provide for Email Verification is

  • Comprehensive

    We detect services like Mailinator, MintEmail, GuerillaMail, 10 Minute Mail, Fake Inbox and many more - protecting you against an ever-increasing number of fake email domains. More than 43,402 domains are currently in the database.

  • Up-to-date

    We continuously monitor the field. New domains added by existing trashmail domains become visible as they come into use, and you will get them as a daily update datafeed.

Email Verification Overview

Get 1,000 free requests monthly. No credit card required.

Get started

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