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For senders where every email counts

Email Verification
Made Simple

Reduce bounce rates, protect your sender reputation, and improve deliverability with our fast, accurate API.

100 free verifications included. No credit card required.

Sample result
Verification Result
hello@acme.co
Valid • High Deliverability
Quality Score
96
/ 100
Syntax
MX Records
SMTP
Mailbox
Typically verified in ~187ms • Same engine as the free checker below
99%+ accurate across millions of checks

An example of the structured result the production API returns — try it live with the free checker below.

Try It Free

Verify an email right now

See the quality of your email data instantly. No signup required.

3 free verifications per day. No signup required.

<100ms
Cached Verify
10K+/min
Throughput
6
Languages
8
Official SDKs
Features

Everything you need to verify emails

Powerful features to ensure your emails reach the inbox, every time.

Multi-Layer Verification

Comprehensive checks including syntax validation, DNS lookups, MX records, and SMTP verification.

AI Typo Detection

Automatically detect and suggest corrections for common typos like "gmial.com → gmail.com".

Auto-Clean Lists

Schedule automatic re-verification of your lists daily, weekly, or monthly with alerts.

Spam Trap Detection

Identify honeypots, recycled spam traps, and known spam trap addresses in your lists.

Abuse Email Detection

Flag known complainers, abuse contacts, and users who frequently mark emails as spam.

Domain Geography Hints

Country and region signals from domain TLD and MX records when available. Full location enrichment is on our roadmap.

Data Enrichment

Extract first/last names, predict gender, and enrich with location data automatically.

Blacklist Monitoring

Check domains against 50+ email blacklists with alerts to protect your sender reputation.

DMARC/SPF/DKIM Monitor

Continuous monitoring of email authentication records with compliance scoring and alerts.

Why Kawaa?

Clean lists,
better results

Stop wasting money on invalid emails. Our verification engine helps you maintain pristine email lists.

  • Reduce email bounce rates by up to 98%
  • AI-powered typo detection and suggestions
  • Email activity tracking with engagement scores
  • AI email composition powered by Claude
  • Find emails by name with Email Finder
  • Advanced analytics with geographic insights
  • Spam trap & abuse email detection
  • Multi-language dashboard (6 languages + RTL)
  • Slack, SMS & push notification alerts
  • Scheduled data exports to cloud storage
  • White-label API for resellers
Real API response shapes — quality scores from production
valid@company.com
98%
bounce@invalid.xyz
12%
risky@temp-mail.org
35%
info@business.com
72%
Integrations

Connect with your favorite tools

8 official SDKs, browser extensions, and Zapier for 5000+ apps.

Platform Integrations

🧡

HubSpot

Via Zapier, Make & API

☁️

Salesforce

Via Zapier, Make & API

📧

Mailchimp

Via Zapier, Make & bulk

Zapier

5000+ app connections

🔄

Make

Automation platform

📊

Google Sheets

Spreadsheet add-on

🔷

WordPress

Form validation plugin

📝

JS Widget

Embed in any form

🌐

Chrome

Browser extension

🦊

Firefox

Browser extension

Official SDKs

🐍

Python

pip install kawaa
📦

Node.js

npm install kawaa
🐘

PHP

composer require kawaa/kawaa
🔷

Go

go get kawaa-go
💎

Ruby

gem install kawaa

Java

Maven/Gradle
🟣

C#

dotnet add package Kawaa
🦀

Rust

cargo add kawaa
ROI Calculator

Calculate your potential savings

See how much you could save by cleaning your email list. Adjust the sliders to match your situation.

Your Email List

1K500K
1%30%
$0.001$0.05
130

Your Potential Savings

Currently wasting per year

$768

800 invalid emails × 4 emails/mo × 12 months

One-time verification cost$30
Direct savings per year+$730
Reputation protection value+$219
Total annual value$919
Return on Investment2332% ROI
Start Saving Now

100 free verifications included

Start verifying today

Ready to improve your
email deliverability?

Join thousands of businesses using Kawaa to verify their email lists and boost their sender reputation.

No credit card required