Dev tools · alternatives · 2026

24 alternatives to Free API to block disposable emails

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

UserCheck is an API that identifies and blocks disposable and fake email addresses. It validates email formatting against industry standards and checks domain authority, MX records, SPF, and DMARC settings to… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Free API to block disposable emails launched in 2017; newer entries below may have overtaken it.

1
TrustyMails▲78
Free API to block disposable emails - say goodbye to fraud
2023 · trustymails.com · its alternatives →
2
DisposableCheck – Disposable Email Check▲12
Free Disposable Email Detector & API
Jan 2026 · disposablecheck.irensaltali.com · its alternatives →
3
MailCheck▲49
Stop Free Trial Abuse with Advanced Email Verification
2025 · mail-check.tech · its alternatives →
4
Validator.pizza▲99
Free API to block 🗑 disposable emails
2017 · usercheck.com · its alternatives →
5
Email List Verify▲330
Remove hard bounces and email traps from your email lists
2016 · emaillistverify.com · its alternatives →
6
Block Disposable Emails API▲3
Block temp emails at signup and stop trial abuse instantly
Dec 2025 · tempmailchecker.com · its alternatives →
7
Checker▲124
Detect fake signups in under 200ms with an easy-to-use API
2025 · its alternatives →
8
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 →
9
Weecheck▲120
Validate email addresses and avoid bounces
2021 · its alternatives →
10
Email Bounce Checker from BlockSurvey▲98
Privacy-focused email bounce checker. No ads, no trackers.
2022 · blocksurvey.io · its alternatives →
11
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 →
12
CheckMailPro▲8
Block fake/temp emails
2024 · its alternatives →
13
verify-email.app▲10
Verify deliverable emails & disposable or temporary emails
2025 · verify-email.app · its alternatives →
14
Email Verify API▲92
Simple email validation API for a $39 lifetime license
2021 · cloudlyn.com · its alternatives →
15
IsFakeMail▲3
Stop fake signups without blocking real customers
2025 · signupscore.com · its alternatives →
16
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 →
17
Weecheck v2▲100
Simple email verification to improve deliverability
2022 · its alternatives →
18
Email Spam Checker by Autoklose▲105
Send spam-free, high-converting emails
2020 · app.autoklose.com · its alternatives →
19
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 →
20
Free disposable email address detection API▲9
Free api to detect single-use email addresses
2017 · open.kickbox.io · its alternatives →
21
VerifyRight▲5
Catch fake emails before they signup
2025 · verifyright.io · its alternatives →
22
IsItDisposable▲11
Stop throwaway emails before they hit your database
Aug 2026 · isitdisposable.com · its alternatives →
23
MailGate▲1
Block fake & disposable emails before they hit your DB
Aug 2026 · mailgate.netlify.app · its alternatives →
24
Mailphin▲17
Disposable, temporary email checking API and bulk validator
2024 · mailphin.xyz · its alternatives →

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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 →