Dev tools · alternatives · 2026

24 alternatives to Email Validation API – Validateemail.io

Verify email addresses in real time with a fast REST API. Check syntax, domain and MX records, and catch disposable, role-based and mistyped emails.

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

1
Email Verify API▲92
Simple email validation API for a $39 lifetime license
2021 · cloudlyn.com · its alternatives →
2
Validate Email – 100% Free & Private▲28
Instant Email Verification – Real, Reachable & Secure
2025 · validate.email · its alternatives →
3
Proofy▲181
Quickly validate and verify your email lists.
2016 · proofy.io · its alternatives →
4
Mailerio▲30
Keep your lists clean with email validation tool
2025 · mailerio.com · its alternatives →
5
Free Email Verifier▲202
The first free and accurate email verification service
2020 · gmass.co · its alternatives →
6
Email Validator API ▲7
It tells you if a Email is valid or not
2025 · thirsty-melisse-hardcode-c2fce731.koyeb.app · its alternatives →
7
Email Validator!▲193
Free JSON API that gives you a simple way to validate emails
2015 · garridodiaz.com · its alternatives →
8
Email Validator by Sidemail▲16
Hi HN – Kristyna here. I built this free, online email validator and would love to share it with you. What it checks: - Syntax – Confirms correct proper email format. - Domain & DNS – Verifies the domain exists and resolves. - MX records – Verifies the domain can receive mail. - SMTP handshake (optional) – Checks the mail server accepts the recipient (no message is sent). - Disposable domains – Flags temporary inbox providers that can hurt deliverability lists. - Common typos – Catches mistakes and suggests fixes. How it works: Paste an email > click Validate > get a clear result with…
Feb 2026 · sidemail.io · its alternatives →
9
Email Validation and Verification API▲2
Validate and verify email address
2018 · its alternatives →
10
Email Verification API▲4
Real-time and convenient email validation tool
2021 · emailverification.whoisxmlapi.com · its alternatives →
11
Weblegit Email Validation Service▲72
A real customer starts with a real email
2017 · weblegit.com · its alternatives →
12
Bulk Email Verifier & Checker▲115
The top tool for checking mail address authenticity
2023 · email-verifier.convertinsight.com · its alternatives →
13
Email Validator API▲8
This is an easy way to check email addresses
2020 · its alternatives →
14
Official Email Validator▲1
Validate emails with real-time, deep SMTP checks.
2025 · rapidapi.com · its alternatives →
15
SmartEmailCheck▲9
Smarter Email Validation—Built for Modern Apps.
Nov 2025 · smartemailcheck.com · its alternatives →
16
VerifyRight▲5
Catch fake emails before they signup
2025 · verifyright.io · its alternatives →
17
Free Email Validator - Full Source Code▲6
Cold Email Validation Tool with Full Source Code
Nov 2025 · its alternatives →
18
MailCheck▲49
Stop Free Trial Abuse with Advanced Email Verification
2025 · mail-check.tech · its alternatives →
19
GoEmailVerify▲2
Professional email verification & validation api
Dec 2025 · its alternatives →
20
Deep Email Validator▲51
Validates regex, typos, disposable, dns and smtp. Contribute to mfbx9da4/deep-email-validator development by creating an account on GitHub.
2020 · github.com · its alternatives →
21
Legitmailbox▲75
Email Verification API with monthly reports
2021 · its alternatives →
22
VerifiedEmail▲13
Affordable, accurate email-verification tool
Nov 2025 · verified.email · its alternatives →
23
Email Verification and Validation API
Verify emails without the mystery
Apr 2026 · rapidapi.com · its alternatives →
24
EmailToCheck▲5
Free email verification tool
2024 · emailtocheck.netlify.app · 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 →