4
VerifyAnyEmail
VerifyAnyEmail checks whether email addresses appear real, risky, or undeliverable before a message is sent.
Free planiOSWebAPI
6.9From $8.99 a month
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5
MailboxValidator
MailboxValidator checks email addresses and mailboxes to help identify invalid addresses and reduce email bounces.
Free planWebAPI
6.8Free plan
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6
Bounceless
Bounceless verifies and cleans email lists, giving each address a confidence level, reason codes, and a Pre-Send Decision: send, review, or suppress.
Free planWebAPI
6.7From $19 a month
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7
Bulk Email Checker
Bulk Email Checker verifies email addresses in uploaded lists or through a real-time API.
WebAPILinuxmacOS
6.7From $250 a month
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8
Email Verifier API
Email Verifier API checks email addresses in real time to help reduce bounces and protect sender reputation.
Free planWebAPI
6.7Free plan
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9
Emailable
Emailable verifies email addresses to help keep mailing lists clean and improve deliverability.
Free planWebAPI
6.7From $32.30 a month
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10
EmailMarker
EmailMarker checks email addresses and lists to identify invalid or risky entries, helping users reduce bounces and protect sender reputation.
Free planWebAPI
6.7$3 one-time
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11
Mailbeam
Mailbeam is a real-time email verification API for developers who want to check addresses in signup flows.
Free planWebAPI
6.7From €19 a month
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12
QuickEmailVerification
QuickEmailVerification checks whether email addresses are valid and deliverable, helping businesses reduce bounces.
Free planWebAPI
6.7Free plan
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13
Reoon Email Verifier
Reoon Email Verifier checks email addresses to help email marketers, list owners, SaaS apps, websites, and lead-generation teams clean their lists.
Free planWebAPI
6.7From $9 a month
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14
Advanced Email Verifier
Advanced Email Verifier checks addresses in databases and mailing lists for validity and helps identify bounced or undeliverable contacts.
Free planAPImacOSWindows
6.6$99 one-time
Visit
15
emailverifier.dev
emailverifier.dev checks email addresses before they enter product workflows such as signups, lead forms, free trials, and CRM imports.
Free planWebAPI
6.6Free plan
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16
Bouncer
Bouncer is an email verification service for checking mailing lists and finding addresses that may bounce before messages are sent.
WebAPI
6.4From $25 a month
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17
Email Hippo
WebAPI
6.4From $9.88 a month
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18
MillionVerifier
MillionVerifier checks email addresses individually, in uploaded lists, or through connected services and API workflows.
WebAPI
6.4
Visit
19
AtData SafeToSend
AtData SafeToSend is a paid email-validation service available through the web and an API.
WebAPI
6.3$0.01 one-time
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20
CaptainVerify
WebAPI
6.3From $36 a month
Visit
21
EmailValidation API
EmailValidation API is a REST service for developers validating email addresses through web and API access.
WebAPI
6.3
Visit
22
Impressionwise
WebAPI
6.2$87 one-time
Visit
23
MailTester Ninja
MailTester Ninja verifies email addresses, searches for contact emails, and provides an API for connecting verification to other software.
WebAPImacOSWindows
6.2From $23.99 a month
Visit
24
MyEmailVerifier
MyEmailVerifier checks email addresses individually or in bulk using real-time SMTP verification.
Free planWebAPIExtension
6.2Free plan
Visit
25
Reacher
WebAPISelf-hosted
6.2From €69 a month
Visit
26
Clearout Email Verification
Clearout Email Verification checks email addresses individually, in bulk, or through an API to help reduce bounces and keep lists clean.
WebAPIExtension
6.1
Visit
27
EmailListVerify
EmailListVerify checks email addresses in uploaded lists and in real time through its API.
WebAPIExtension
6.1From €16 a month
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28
XVerify
XVerify checks email addresses, phone numbers, and postal addresses to help improve data quality and email deliverability.
WebAPI
6.0$5 one-time
Visit
29
Proofy
WebAPI
5.9$5 one-time
Visit
30
Byteplant Email Validator
WebAPI
5.8
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