Dev tools · alternatives · 2026

24 alternatives to IsTempMail – Detect and block disposable email addresses

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

IsTempMail detects and blocks disposable, temporary, and fake email addresses to prevent spam, fraud, and free trial abuse. The service offers a simple JSON API that validates email addresses in real-time, returning… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. IsTempMail – Detect and block disposable email addresses launched in 2017; newer entries below may have overtaken it.

1. 1
   IsTempMail▲2

   Block temporary email addresses

   2022 · istempmail.com · its alternatives →

2. 2
   List of disposable email domains to prevent fake registrations▲28

   HTML Editor Online. Edit your text and get the HTML code version.

   2021 · disposable-emails.github.io · its alternatives →

3. 3
   Disposable Temporary Email Address▲79

   Avoid spam with this disposable email address generator

   2021 · etempmail.net · its alternatives →

4. 4
   TrustyMails▲78

   Free API to block disposable emails - say goodbye to fraud

   2023 · trustymails.com · its alternatives →

5. 5
   DisposableCheck – Disposable Email Check▲12

   Free Disposable Email Detector & API

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

6. 6
   I built an API to detect and verify disposable or temp email addresses▲5

   Hi HN, I'm excited to share a project I've been working on: UnwrapEmail(https://unwrap.email), an API designed to detect and verify disposable or temporary email addresses. Features: - Detect disposable email addresses - Extract labels from email addresses (e.g., Gmail) - Normalize addresses by removing labels or special characters (e.g., Gmail) - Validate MX records of domains - Check whether it’s safe to send to a given email to reduce bounces and maintain sender reputation Why I Built This: As the owner of an AI wrapper app, I've seen decent traffic thanks to SEO efforts + ads,…

   2024 · unwrap.email · its alternatives →

7. 7
   Free API to block disposable emails▲19

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

   2017 · validator.pizza · its alternatives →

8. 8
   Email Verify API▲92

   Simple email validation API for a $39 lifetime license

   2021 · cloudlyn.com · its alternatives →

9. 9
   Free disposable email address detection API▲9

   Free api to detect single-use email addresses

   2017 · open.kickbox.io · its alternatives →

10. 10
    Spam Checker by Mailmeteor▲88

    Detect and remove spam words in your emails

    2022 · mailmeteor.com · its alternatives →

11. 11
    AntiTempMail▲2

    Disposable Email Checker & Verification API

    Dec 2025 · antitempmail.com · its alternatives →

12. 12
    MailDrop, throwaway e-mail addresses, built with Scala and Akka▲81

    Maildrop provides free disposable e-mail addresses for use in web forms, app signups, or any other place you'd like to protect your privacy.

    2013 · maildrop.cc · its alternatives →

13. 13
    Detecting disposable email addresses▲4

    A powerful SDK for detecting disposable email addresses

    2025 · github.com · its alternatives →

14. 14TD
    Tempmail.de – Temporary, disposable, anonymous email address▲66

    2014 · tempmail.de · its alternatives →

15. 15
    verify-email.app▲10

    Verify deliverable emails & disposable or temporary emails

    2025 · verify-email.app · its alternatives →

16. 16
    MyTempMail – Temporary Email with OTP▲4

    Customized disposable email addresses with OTP support.

    Jul 2026 · mytempmail.tech · its alternatives →

17. 17
    Block Disposable Emails API▲3

    Block temp emails at signup and stop trial abuse instantly

    Dec 2025 · tempmailchecker.com · its alternatives →

18. 18
    Throwaway – open-source disposable email checker and API▲14

    An open source Cloudflare Worker app and API to check if email addresses are throwaway/disposable or valid - sslboard/throwaway

    Apr 2026 · github.com · its alternatives →

19. 19
    Mailphin▲17

    Disposable, temporary email checking API and bulk validator

    2024 · mailphin.xyz · its alternatives →

20. 20
    MailGate▲1

    Block fake & disposable emails before they hit your DB

    Aug 2026 · mailgate.netlify.app · its alternatives →

21. 21
    CheckMailPro▲8

    Block fake/temp emails

    2024 · its alternatives →

22. 22
    IsFakeMail▲3

    Stop fake signups without blocking real customers

    2025 · signupscore.com · its alternatives →

23. 23
    IsItDisposable▲11

    Stop throwaway emails before they hit your database

    Aug 2026 · isitdisposable.com · its alternatives →

24. 24
    IsThisSpam▲13

    Simple, AI based, email first spam/scam detection service

    2025 · isthisspam.org · 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 →