Bulk Email Verifier & Validation Service

Email Verifier

Verify a single email address or bulk email list using our email checker

Validate Emails in Seconds | Try our Free Email Verifier

Upload Your List for Bulk Email Verification

g2 reviews
capterra reviews
IAF certifiaction validation
soc2

Our Guarantee - Bounce Rate reduced to 3% or Less

We verify and check the status of an email address in real-time and give a guaranteed deliverability score

Verify 100 Emails for FREE

Trusted By Businesses of All Sizes Worldwide

Over 50,000+ Companies & Organisations Already Trust Us!

Adobe
Truecaller
chargebee
DataCaptive
InMobi

Quick Email Verification

Verify individual email addresses

Quickly verify single email address with our accurate email checker tool. Just input the email address you want to verify, click on validate and let Clearout do its magic. We test your email address on multiple validation checks without sending an email to the recipient. Maintain your list hygiene by adding only valid email addresses to your list.

Check 100 Emails for Free
Clearout's Online Email Verifier to quickly verify email addresses
Clearout's Bulk Email Verifier with 98%+ accuracy

Bulk Email Verifier

Validate a bulk email list

Sending emails to invalid email addresses increases bounce rate and thereby damages your sender reputation. Clearout's bulk email checker helps you verify large volumes of email addresses to clean your email list. What's more? We provide additional information on why an email is valid or invalid along with guaranteed deliverables to reduce your bounce rate to 3% or less.

Add Your List to Bulk Verify

Email Verifier API

Integrate with API to scale email verification operation

Scale and automate your email verification needs using Clearout's email validation API. From solopreneurs to big enterprises, we've built our API for everyone. We support all programming languages so you can easily add our API to your tech stack and verify emails instantly or in bulk.

Explore APIs
Clearout's email validation API for instant and bulk verification
Check email at capture with Clearout's real-time email validation

On-Form Real Time Email Verification

Filter bots and spam form fills at the point of capture

Verify email addresses instantly as users enter them into your forms. Connect your forms with Clearout to ensure you capture accurate and valid email addresses from the get-go. We detect typos, disposables and other invalid email entries to protect your forms from bots and spam submissions so you can maintain a clean database.

Verify Emails on your Forms

Quick Email Verification

Verify individual email addresses

Quickly verify single email address with our accurate email checker tool. Just input the email address you want to verify, click on validate and let Clearout do its magic. We test your email address on multiple validation checks without sending an email to the recipient. Maintain your list hygiene by adding only valid email addresses to your list.

Clearout's Online Email Verifier to quickly verify email addresses

Bulk Email Verifier

Validate a bulk email list

Sending emails to invalid email addresses increases bounce rate and thereby damages your sender reputation. Clearout's bulk email checker helps you verify large volumes of email addresses to clean your email list. What's more? We provide additional information on why an email is valid or invalid along with guaranteed deliverables to reduce your bounce rate to 3% or less.

Clearout's Bulk Email Verifier with 98%+ accuracy

Email Verifier API

Integrate with API to scale email verification operation

Scale and automate your email verification needs using Clearout's email validation API. From solopreneurs to big enterprises, we've built our API for everyone. We support all programming languages so you can easily add our API to your tech stack and verify emails instantly or in bulk.

Clearout's email validation API for instant and bulk verification

On-Form Real Time Email Verification

Filter bots and spam form fills at the point of capture

Verify email addresses instantly as users enter them into your forms. Connect your forms with Clearout to ensure you capture accurate and valid email addresses from the get-go. We detect typos, disposables and other invalid email entries to protect your forms from bots and spam submissions so you can maintain a clean database.

Check email at capture with Clearout's real-time email validation

Industry Leading Email Validation Checks

Our email verifier goes through an intensive 20+ validation checks for delivering accurate results

Greylisting Verification

Greylisting Verification

Innovative anti-greylisting method verifies email status quickly without compromising turnaround time

Catch-All Verification

Catch-All Verification

Identify the catch-all type addresses to avoid emailing thereby improving the overall deliverability hygiene

Syntax Validation

Syntax Validation

Fully cleans your email list by conforming invalid syntax to the standard format

Block Verification

Block Verification

This email tester will check against known DNSBLs and URI DNSBLs to stay a step away from the honeypot

Yahoo, AOL Validation

Yahoo, AOL Validation

Provides highest industry mail performance ratios for Yahoo and AOL with 96%+ accuracy

Gibberish Check

Gibberish Check

Identifying and calling attention towards random email addresses

Remove Sub Address

Remove Sub Address

Normalizes sub address from the Gmail/Outlook/Yahoo/ iCloud to avoid multiple email addresses pointing to the same inbox

Auto Suggestion

Auto Suggestion

Eliminates spelling errors and typos in the email addresses by auto-suggesting

Duplicate Removal

Duplicate Removal

Removes all duplicate email addresses automatically and it comes free of cost

Disposable Email Verification

Disposable Email Verification

Verifies the email addresses to check if it is from a disposable email provider

Extended SMTP Validation

Extended SMTP Validation

Verifies SMTP providers for every email address to determine the active mail servers

SpamTrap Detection

SpamTrap Detection

Multi-layered algorithm determining chances of an email address to be a spam trap!

Domain Verification

Domain Verification

Checks for the successful network connection to the mail server domain

MX Record Verification

MX Record Verification

Validates priority based MX records for available Mail Exchange servers to know the mailbox status

Mail Quota Verification

Mail Quota Verification

Verifies the mailbox to ensure it accepts new emails

Mailbox Error Verification

Mailbox Error Verification

Verifies all kind of mailbox errors without sending any payload to the given email address

Guaranteed Deliverables

Guaranteed Deliverables

Guaranteed email delivery to recipient's mailbox with no bounce back

Role Account Verification

Role Account Verification

Identifies all role-based email addresses like admin, support or sales from the list

Verification Time Taken

Verification Time Taken

Measures the response time for every email address by a simple open relay check

Verification Timestamp

Verification Timestamp

Clearout email verifier lets you know when the email address in your list got verified for your better understanding

Free Account Verification

Free Account Verification

Checks whether the email addresses are using free services such as Gmail and Hotmail or not

Fast. Accurate. Affordable.

Reliable email validation at a fair price. Rated 4.9/5 on G2 Crowd

  • Danielle Bradley
    Danielle Bradley
    Founder, Coach with Danielle

    Clearout has been a life saver and a user-friendly tool. It helped us to ensure that we only reached out to verified email addresses, maintain our email deliverability score and improve our campaign's efficiency. The email finder feature also serves its purpose and helped us maximize our searches.

  • Mario Graf-Schantl
    Mario Graf-Schantl
    Managing Director, OPTIFIN GmbH

    We use Clearout's real time email verification services for avoiding SPAM in our application process on our website. It works perfectly fine for us and reduces the invalid and fake email address pretty good. Clearout email verifier also helps our clients to avoid typing issues at the email forms. So I can highly recommend this email verification service !

  • Jennifer Rodgers
    Jennifer Rodgers
    New York State, ptSource

    Our team has tried other Email Finder tools in the past. But Clearout's Email Finder & Verifier has absolutely helped our email sending reputation. Good work Clearout!

  • Jacob Sherman
    Jacob Sherman
    Link Building Prospector, New Reach Marketing

    I've used several other email verifiers and they have all wasted my time and resources. After using Clearout's highly accurate email verification services, I don't find myself struggling to validate emails. It's been a great tool to pair with the top email marketing tool Apollo.io.

  • Monique Davis
    Monique Davis
    CEO, Aflame Marketing

    I've had the pleasure of using Clearout Email Finder & Verifier for a few years now. I own a marketing agency & my team & I are constantly sending out emails. Clearout is my #1 email verifier. I upload bulk email lists & receive the guaranteed deliverable emails. The dashboard is pretty straightforward. I'm able to clean email lists in bulk or one by one with ease.

  • Nenad Pavlov
    Nenad Pavlov
    Founder, SimplyGrow

    We as a cold outreach agency have been using Clearout for two years now. Pretty happy with it. Simple interface makes it easy to use. List verification is fast and the results are reliable. We fell in love with email finder feature when it came out since it's able to discover valid email addresses even when other tools fall short in some cases. Definitelly a recommendation

  • Danielle Bradley
    Danielle Bradley
    Founder, Coach with Danielle

    Clearout has been a life saver and a user-friendly tool. It helped us to ensure that we only reached out to verified email addresses, maintain our email deliverability score and improve our campaign's efficiency. The email finder feature also serves its purpose and helped us maximize our searches.

Connect Your Tools

Improve Data Health With Our Integrations

HubSpot

HubSpot

Connect your Hubspot account to validate emails directly in your hubspot forms, CRM and even chatflows

Apollo

Apollo

Check the validity of email lists you've built through Apollo's database before your next outreach campaign

Lemlist

Lemlist

Sync your Lemlist data with Clearout. Power up your outreach with verified data and warmed up email

active campaign

ActiveCampaign

Protect your sender reputation & boost email deliverability by connecting ActiveCampaign with Clearout

Mailchimp

Mailchimp

Integrate mailchimp with Clearout to reduce bounce rate on your next email marketing campaign

Jotform

Jotform

Verify emails in real time at the time of form fill to keep your email list clean by integrating Jotform with Clearout

Clearout For Sheets

Clearout For Sheets

Verify email lists directly in your sheets using Clearout's Google Sheets add-on

Zapier

Zapier

Automate Clearout's verification services across the web without using a single line of code

Wordpress

Wordpress

Clearout wordpress plugin integrates with all major WP forms to validate emails in real time

View All Integrations

Frequently Asked Questions

An email verifier, or email checker, verifies if an email address exists and can accept emails. Verifying an email list is important before contacting new recipients to avoid bounces and protect your sender's reputation. Clearout's email verifier checks email validity on multiple levels, like format, domain verification, MX records, and a lot more.

The Email Verifier directly connects to the SMTP server.

Clearout Email Verifier performs a list of 20+ validation checks on every email address which included the following-
Email Format Validation: Our email verification tool checks if the email address is in a valid format, such as [email protected].
Catch-All Domain Check: Our tool checks if the server has a accept-all policy that accepts any email address sent to that domain.
Gibberish Email Address Detection: We make sure the email address doesn't appear to be a random string of characters, like [email protected].
Disposable Email Address Detection: Our tool checks if the email address uses a disposable domain name.
Role-based Email Address Detection: It Identifies all role-based email addresses like admin, support or sales from the list.
MX Record Check: We check if the domain has an MX record. If not, the email address cannot receive emails.
Extended SMTP Check: Verifies SMTP providers for every email address to determine the active mail servers.

Clearout email verification boasts accuracy rate of over 98%, setting the industry standard for email verification.

Once an account is created, you can validate 100 email addresses for free.

1 Email Verification costs 1 credit. You can purchase the required credits from here.

You can easily verify emails in bulk by either uploading your list or importing it from your favorite tools like HubSpot, Apollo, ActiveCampaign and more. Clearout's bulk email verifier offers both API and bulk email verification.

Yes, You can use Clearout RESTful API to verify email addresses in real time in single or bulk with 98%+ accuracy with best in respose time.

Email Verification at the point of capture means stopping invalid, fake, disposable & bad email addresses at the time of form fill. This helps you maintain the hygiene of your database. To verify emails at the point of capture, you can use our real-time email validation API, JavaScript widget or our WordPress plugin.

Yes currently, we are at 96% Accuracy compared to other domains.

Yes, Clearout email verifier can Identify Catch-all email addresses with utmost accuracy.

Yes, Clearout Email Validation is a certified app in the HubSpot App Marketplace! Clearout can be integrated with both HubSpot Forms, HubSpot Chatflows and HubSpot CRM, with a few steps.

Yes! Clearout Email Validator is available as a WordPress Plugin. It can be seamlessly integrated with all major forms to validate the email addresses in real-time.

Yes! Clearout Google Sheets add-on makes this possible. The add-on just needs a 3-step installation process to help you clean your database better.

Clearout integrates with your favorites apps, tools and services. Check the complete list.

Yes! Clearout Email Verifier can be seamlessly integrated with all programming languages using API for developers.

Check our help docs or contact us.