Dev tools · alternatives · 2026

24 alternatives to Mailguard

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

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Email Verify API▲92

   Simple email validation API for a $39 lifetime license

   2021 · cloudlyn.com · its alternatives →

2. 2
   Trumail▲215

   Free email verification API

   2017 · emailable.com · its alternatives →

3. 3
   MailCheck▲49

   Stop Free Trial Abuse with Advanced Email Verification

   2025 · mail-check.tech · its alternatives →

4. 4
   BounceBan▲123

   Unlimited free email verify, works great for accept-all

   2022 · bounceban.com · its alternatives →

5. 5
   Proofy▲181

   Quickly validate and verify your email lists.

   2016 · proofy.io · its alternatives →

6. 6
   Free Email Verifier▲202

   The first free and accurate email verification service

   2020 · gmass.co · its alternatives →

7. 7
   BounceGuard▲12

   Bounce Guard: Free Email Verification & Finder, 99% Accurate

   2025 · bounceguard.net · its alternatives →

8. 8
   Mailphin▲17

   Disposable, temporary email checking API and bulk validator

   2024 · mailphin.xyz · its alternatives →

9. 9
   Validate Email – 100% Free & Private▲28

   Instant Email Verification – Real, Reachable & Secure

   2025 · validate.email · its alternatives →

10. 10
    Email Bounce Checker from BlockSurvey▲98

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

    2022 · blocksurvey.io · its alternatives →

11. 11
    VerifiedEmail▲13

    Affordable, accurate email-verification tool

    Nov 2025 · verified.email · its alternatives →

12. 12
    Mailvalid▲3

    Email verification API, 6x cheaper than ZeroBounce

    Jun 2026 · mailvalid.io · its alternatives →

13. 13
    Free API to block disposable emails▲19

    Block disposable emails with our API. Start for free today.

    2017 · validator.pizza · its alternatives →

14. 14
    IsTempMail – Detect and block disposable email addresses▲35

    Detect and block disposable, temporary, fake email addresses. Fight spam, fraud and free trial abuse. Available as WordPress plugin and via JSON API.

    2017 · istempmail.com · its alternatives →

15. 15
    DisposableCheck – Disposable Email Check▲12

    Free Disposable Email Detector & API

    Jan 2026 · disposablecheck.irensaltali.com · its alternatives →

16. 16
    UDecode Email Verifier▲12

    Verify emails instantly in bulk syntax, MX, disposable more

    2025 · verify.udecode.net · its alternatives →

17. 17
    EmailGuard API

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

    Mar 2026 · emailguard.lazrek.net · its alternatives →

18. 18
    MailsGuard▲3

    Email verification API — 80% cheaper than ZeroBounce

    Jun 2026 · mailsguard.io · its alternatives →

19. 19
    VerifyRight▲5

    Catch fake emails before they signup

    2025 · verifyright.io · its alternatives →

20. 20
    Truemailcheck Free Email Validation▲7

    Free email Vaildator Tool

    Oct 2025 · its alternatives →

21. 21
    Mailerio▲30

    Keep your lists clean with email validation tool

    2025 · mailerio.com · its alternatives →

22. 22
    Bolt - Free Email Validation▲19

    Bolt is a simple, free API that validates emails using AI.

    2019 · its alternatives →

23. 23
    EmailToCheck▲5

    Free email verification tool

    2024 · emailtocheck.netlify.app · its alternatives →

24. 24
    EmailCheck.dev

    Email validation API, 90% cheaper than competitors

    Mar 2026 · emailcheck.dev · 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 →