Dev tools · alternatives · 2026

24 alternatives to Validator.pizza

Free API to block 🗑 disposable emails

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Validator.pizza 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
Email Validator!▲193
Free JSON API that gives you a simple way to validate emails
2015 · garridodiaz.com · its alternatives →
3
Free API to block disposable emails▲19
Block disposable emails with our API. Start for free today.
2017 · validator.pizza · its alternatives →
4
Verifier▲244
Weed out disposable, non-existent domains or invalid emails.
2019 · verifyright.co · its alternatives →
5
Breadcrumbs Free Email Verifier▲160
Free forever to validate up to 10,000 emails with 1-click
2020 · breadcrumbs.io · its alternatives →
6
Email Verify API▲92
Simple email validation API for a $39 lifetime license
2021 · cloudlyn.com · its alternatives →
7
Proofy▲181
Quickly validate and verify your email lists.
2016 · proofy.io · its alternatives →
8
Email Bounce Checker from BlockSurvey▲98
Privacy-focused email bounce checker. No ads, no trackers.
2022 · blocksurvey.io · its alternatives →
9
Clearalist▲64
Accurate, fast and secure email validation
2021 · clearalist.com · its alternatives →
10
DisposableCheck – Disposable Email Check▲12
Free Disposable Email Detector & API
Jan 2026 · disposablecheck.irensaltali.com · 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
Mailerio▲30
Keep your lists clean with email validation tool
2025 · mailerio.com · its alternatives →
13
Rapid Email Validator 2025▲13
Privacy-first free email verifier | no storage | open source
2025 · rapid-email-verifier.fly.dev · its alternatives →
14
Self host Email Validation▲51
Cleanmails - Unlimited email verification
Jan 2026 · its alternatives →
15
MailCheck▲49
Stop Free Trial Abuse with Advanced Email Verification
2025 · mail-check.tech · its alternatives →
16
Free disposable email address detection API▲9
Free api to detect single-use email addresses
2017 · open.kickbox.io · its alternatives →
17
verify-email.app▲10
Verify deliverable emails & disposable or temporary emails
2025 · verify-email.app · its alternatives →
18
Mailphin▲17
Disposable, temporary email checking API and bulk validator
2024 · mailphin.xyz · its alternatives →
19
Spam Check▲93
A free JSON API to check your email messages' spam scores
2015 · spamcheck.postmarkapp.com · its alternatives →
20
Spam Checker by Mailmeteor▲88
Detect and remove spam words in your emails
2022 · mailmeteor.com · its alternatives →
21
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 →
22
Email Validator by LeadStal▲59
Single & multiple email validation tool online
2022 · leadstal.com · its alternatives →
23
Bulk Email Validator▲4
Verify email addresses. Check spam, and disposable email
2025 · apify.com · its alternatives →
24
Validly▲11
Email validation for calendly | block spam bookings
2025 · 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 →