Alternatives

Products that do what EmailGuard API does

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

1. 1
   Trueguard▲368

   Stop fake user signups

   2025

2. 2
   Throttle▲461

   Stop giving out your email address

   2015

3. 3
   Blocks▲715

   AI-powered builder to create your emails

   2023 · useblocks.io

4. 4
   Burner Mail▲310

   Stop giving away your personal information

   2018

5. 5
   I hate mailto▲412

   Stop websites from opening your email client.

   2019

6. 6
   Mailguard▲3

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

   Jun 2026 · mailguard-api.atek.workers.dev

7. 7
   Checker▲124

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

   2025

8. 8
   AgreeGuard▲90

   AI reads the fine print before you click "I Agree"

   Mar 2026 · agreeguard.app

9. 9
   Gblock▲107

   Block email tracking in Gmail

   2025

10. 10
    lockrMail▲195

    Own the power to organize and protect your email inbox

    2021

11. 11
    reCAPTCHA Mailhide▲84

    Solution to protect email addresses by Google

    2014

12. 12
    Email Spam Checker by Autoklose▲105

    Send spam-free, high-converting emails

    2020

13. 13
    MailCheck▲49

    Stop Free Trial Abuse with Advanced Email Verification

    2025

14. 14
    Gmail Email Guard▲8

    Enterprise-grade phishing protection, no IT team required.

    5d ago · cybercheck360.com

15. 15
    Email Oops Blocker▲78

    Reminder to not reply all emails you were BCC'd on in Gmail.

    2017

16. 16
    mxHero▲58

    Supercharge your email. [free chrome extension]

    2014

17. 17
    Mailpanion▲74

    Know when your emails are opened & block dangerous trackers.

    2019

18. 18FA
    Free API to block disposable emails▲19

    2017 · validator.pizza

19. 19
    DomainGuard▲3

    Stop employees logging into SaaS with personal emails

    Apr 2026 · domainguard.co

20. 20
    Mailsurity▲1

    Catch the fake Emails your blocklist lets through.

    Jul 2026 · mailsurity.com

21. 21
    ByteShield▲1

    API to block disposable fake emails and invalid mail domains

    Jul 2026 · rapidapi.com

22. 22
    SignupGuard▲6

    Stop fraudulent signups

    Oct 2025

23. 23
    Make senders work to get into your inbox▲44

    Hi HN :) really excited to share this with you. The one thing AI reliably does is generate noise. Half the tools I see launch are just machines for producing more noise across more channels. And people are starting to see this in the form of emails in their inboxes as spam filters are struggling. There used to be a useful signal in email: the effort a sender put into customizing a message was a rough proxy for how relevant it actually was. AI killed that. Now it's customized slop with the appearance of effort with none of the cost. It is painful that the open internet / open channels…

    Jul 2026 · captchainbox.com

24. 24
    EdgePhishGuard▲2

    Private, on-device AI that detects phishing before you tap

    Aug 2026 · edgephishguard.web.app

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