Alternatives

Products that do what Mailguard does

Email verification API with a free tier, up to 100x cheaper

1. 1
   Email Verify API▲92

   Simple email validation API for a $39 lifetime license

   2021

2. 2
   Trumail▲215

   Free email verification API

   2017

3. 3
   MailCheck▲49

   Stop Free Trial Abuse with Advanced Email Verification

   2025

4. 4
   BounceBan▲123

   Unlimited free email verify, works great for accept-all

   2022

5. 5
   Proofy▲181

   Quickly validate and verify your email lists.

   2016

6. 6
   Free Email Verifier▲202

   The first free and accurate email verification service

   2020

7. 7
   Email Bounce Checker from BlockSurvey▲98

   Privacy-focused email bounce checker. No ads, no trackers.

   2022

8. 8
   ZeroBounce▲163

   Email verification platform, 99%+ accurate

   2018

9. 9
   MailerCheck 2.0▲145

   All-in-one email deliverability platform for businesses

   2023

10. 10
    Mailvalid▲3

    Email verification API, 6x cheaper than ZeroBounce

    Jun 2026 · mailvalid.io

11. 11
    Email Verification Tool 1.0▲79

    An add-on for email verification directly on Google Sheets

    2018

12. 12
    Lero - Email Validator▲118

    Zero bounce for founders

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13. 13
    Validator.pizza▲99

    Free API to block 🗑 disposable emails

    2017

14. 14
    Checker▲124

    Detect fake signups in under 200ms with an easy-to-use API

    2025

15. 15
    Clearout 2.0▲103

    98%+ accurate real-time & bulk email verification services

    2020

16. 16
    EmailGuard API

    Stop fake signups and burner emails before they hit your DB.

    Mar 2026

17. 17
    MailsGuard▲3

    Email verification API — 80% cheaper than ZeroBounce

    Jun 2026 · mailsguard.io

18. 18
    Mailerio▲30

    Keep your lists clean with email validation tool

    2025

19. 19
    EmailCheck.dev

    Email validation API, 90% cheaper than competitors

    Mar 2026

20. 20
    emailval — Email Validation API▲3

    Email validation API — 10× cheaper than ZeroBounce

    Jul 2026 · emailval.net

21. 21
    Verifully▲17

    Your One Email Verification Platform to Replace them All

    19d ago · verifully.com

22. 22
    Mailgent▲51

    AI agents that can email, pay APIs, sign, and store secrets

    Jun 2026 · mailgent.dev

23. 23
    EmailAwesome▲39

    Validate emails, less bounces & spam reports for 10X less

    2024

24. 24
    MailSift▲1

    Email verification for developers, in one fast API call

    Jul 2026 · mailsift.dev

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