Dev tools · alternatives · 2026

24 alternatives to Email Validation and Verification API

Validate and verify email address

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Email Validation and Verification API launched in 2018; newer entries below may have overtaken it.

1. 1
   Email Validator!▲193

   Free JSON API that gives you a simple way to validate emails

   2015 · its alternatives →

2. 2
   Email Verify API▲92

   Simple email validation API for a $39 lifetime license

   2021 · its alternatives →

3. 3
   Email Verification API▲4

   Real-time and convenient email validation tool

   2021 · its alternatives →

4. 4
   Email Validator API ▲7

   It tells you if a Email is valid or not

   Oct 2025 · thirsty-melisse-hardcode-c2fce731.koyeb.app · its alternatives →

5. 5
   Free Email Verifier▲202

   The first free and accurate email verification service

   2020 · its alternatives →

6. 6
   Mailerio▲30

   Keep your lists clean with email validation tool

   2025 · mailerio.com · its alternatives →

7. 7
   Bulk Email Verifier & Checker▲115

   The top tool for checking mail address authenticity

   2023 · its alternatives →

8. 8
   Email Validator API▲8

   This is an easy way to check email addresses

   2020 · its alternatives →

9. 9
   Verify Email Addresses▲4

   Email Verification Services

   2021 · its alternatives →

10. 10
    Proofy▲181

    Quickly validate and verify your email lists.

    2016 · its alternatives →

11. 11
    Email Validation API▲2

    Stop fake signups with instant email validation API

    Nov 2025 · rapidapi.com · its alternatives →

12. 12DE
    Deep Email Validator▲51

    2020 · github.com · its alternatives →

13. 13
    APIddress — email validation API▲17

    The email validation API that shows its work

    Jun 2026 · apiddress.com · its alternatives →

14. 14
    EmailToCheck▲5

    Free email verification tool

    2024 · emailtocheck.netlify.app · its alternatives →

15. 15
    Email verification made simple - JSON API and Webform▲3

    Stop bouncing and start connecting with our email check API

    2017 · its alternatives →

16. 16
    SmartEmailCheck▲9

    Smarter Email Validation—Built for Modern Apps.

    Nov 2025 · smartemailcheck.com · its alternatives →

17. 17
    MailCheck▲49

    Stop Free Trial Abuse with Advanced Email Verification

    2025 · mail-check.tech · its alternatives →

18. 18
    Validate Email – 100% Free & Private▲28

    Instant Email Verification – Real, Reachable & Secure

    2025 · validate.email · its alternatives →

19. 19
    Truelist▲53

    Unlimited email validation

    2024 · truelist.io · its alternatives →

20. 20
    Totus Email Validation API▲5

    Stop Bounced Emails Killing You Business, Get Real Users

    2025 · gototus.com · its alternatives →

21. 21
    Legitmailbox▲75

    Email Verification API with monthly reports

    2021 · its alternatives →

22. 22
    NLSQL email verification tool▲26

    Free email verification tool feature from NLSQL

    2018 · its alternatives →

23. 23
    VerifiedEmail▲13

    Affordable, accurate email-verification tool

    Nov 2025 · verified.email · its alternatives →

24. 24
    Free Email Validator - Full Source Code▲6

    Cold Email Validation Tool with Full Source Code

    Nov 2025 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →