EmailOversight is a web and API service for email list cleaning, verification, and related data services.
Alternatives to ZeroBounce
Voila Norbert finds and verifies work email addresses.
MailboxValidator checks email addresses and mailboxes to help identify invalid addresses and reduce email bounces.
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VerifyAnyEmail
VerifyAnyEmail checks whether email addresses appear real, risky, or undeliverable before a message is sent.
Free planiOSWebAPI6.9From $8.99 a month - 5

Emailable
Emailable verifies email addresses to help keep mailing lists clean and improve deliverability.
Free planWebAPI6.8From $32.30 a month - 6
QuickEmailVerification
QuickEmailVerification checks whether email addresses are valid and deliverable, helping businesses reduce bounces.
Free planWebAPI6.8Free plan - 7
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 planWebAPI6.7From $19 a month - 8

Bulk Email Checker
Bulk Email Checker verifies email addresses in uploaded lists or through a real-time API.
WebAPILinuxmacOS6.7From $250 a month - 9

Email Verifier API
Email Verifier API checks email addresses in real time to help reduce bounces and protect sender reputation.
Free planWebAPI6.7Free plan - 10
EmailMarker
EmailMarker checks email addresses and lists to identify invalid or risky entries, helping users reduce bounces and protect sender reputation.
Free planWebAPI6.7$3 one-time - 11

Mailbeam
Mailbeam is a real-time email verification API for developers who want to check addresses in signup flows.
Free planWebAPI6.7From €19 a month - 12

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 planWebAPI6.7From $9 a month - 13

Advanced Email Verifier
Advanced Email Verifier checks addresses in databases and mailing lists for validity and helps identify bounced or undeliverable contacts.
Free planAPImacOSWindows6.6$99 one-time - 14

emailverifier.dev
emailverifier.dev checks email addresses before they enter product workflows such as signups, lead forms, free trials, and CRM imports.
Free planWebAPI6.6Free plan - 15

Email Hippo
WebAPI6.5From $9.88 a month - 16

Bouncer
Bouncer is an email verification service for checking mailing lists and finding addresses that may bounce before messages are sent.
WebAPI6.4From $25 a month - 17

CaptainVerify
WebAPI6.4From $36 a month - 18

MillionVerifier
MillionVerifier checks email addresses individually, in uploaded lists, or through connected services and API workflows.
WebAPI6.4 - 19
AtData SafeToSend
AtData SafeToSend is a paid email-validation service available through the web and an API.
WebAPI6.3$0.01 one-time - 20

EmailValidation API
EmailValidation API is a REST service for developers validating email addresses through web and API access.
WebAPI6.3 - 21

Clearout Email Verification
Clearout Email Verification checks email addresses individually, in bulk, or through an API to help reduce bounces and keep lists clean.
WebAPIExtension6.2 - 22
Impressionwise
WebAPI6.2$87 one-time - 23
MailTester Ninja
MailTester Ninja verifies email addresses, searches for contact emails, and provides an API for connecting verification to other software.
WebAPImacOSWindows6.2From $23.99 a month - 24
MyEmailVerifier
MyEmailVerifier checks email addresses individually or in bulk using real-time SMTP verification.
Free planWebAPIExtension6.2Free plan - 25
Reacher
WebAPISelf-hosted6.2From €69 a month - 26

DeBounce
DeBounce checks email addresses for syntax, domain, mailbox, catch-all, and other issues.
Free planWebAPI6.1Free plan - 27

EmailListVerify
EmailListVerify checks email addresses in uploaded lists and in real time through its API.
WebAPIExtension6.1From €16 a month - 28
XVerify
XVerify checks email addresses, phone numbers, and postal addresses to help improve data quality and email deliverability.
WebAPI6.1$5 one-time - 29

Proofy
WebAPI6.0$5 one-time - 305.8
