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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 - Verified
Quality Score
96
/ 100
Syntax
DNS
MX Records
SMTP
Disposable
Engine processing ~4800ms โ€ข Full results typically return in a few seconds
Syntax, DNS & MX checked on every verify

An example of the structured result the production API returns โ€” 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.

Complete the security check to continue.

3 free verifications per day. No signup required.

DNS
MX Checks
Bulk
Async Jobs
6
Languages
Source
Client SDKs
Features

Everything you need to verify emails

Powerful verification checks to find invalid, risky, and mistyped emails before you send.

Multi-Layer Verification

Comprehensive checks including syntax validation, DNS lookups, MX records, and risk signals.

AI Typo Detection

Automatically detect and suggest corrections for common typos like "gmial.com โ†’ 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-level hints from domain TLDs and known provider domains when a reliable signal exists.

Data Enrichment

Extract first/last names, predict gender, and add country hints from domain-level signals.

Blacklist Monitoring

Check domains against 40+ major 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 avoidable bounces before sending
  • 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, email & webhook alerts
  • White-label API for resellers
Example result categories
Mailbox accepted
High confidence
Mailbox rejected
Bounce risk
Risk signals found
Review
Role address
Team inbox
Integrations

Connect with your favorite tools

Client SDK source, API integrations, and Zapier for 5000+ apps.

Platform Integrations

๐Ÿงก

HubSpot

Via Zapier, Make & API

โ˜๏ธ

Salesforce

Via Zapier, Make & API

๐Ÿ“ง

Mailchimp

Via Zapier, Make & bulk

โšก

Zapier

5000+ app connections

๐Ÿ”„

Make

Automation platform

๐Ÿ“Š

Google Sheets

Spreadsheet add-on

๐Ÿ”ท

WordPress

Form validation plugin

๐Ÿ“

JS Widget

Embed in any form

SDK Packages and Source

๐Ÿ

Python

pip install kawaa
๐Ÿ“ฆ

Node.js

npm install kawaa
๐Ÿ˜

PHP

source: sdks/php
๐Ÿ”ท

Go

source: sdks/go
๐Ÿ’Ž

Ruby

source: sdks/ruby
โ˜•

Java

source: sdks/java
๐ŸŸฃ

C#

source: sdks/csharp
๐Ÿฆ€

Rust

source: sdks/rust
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 ร— 4 emails/mo ร— 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?

Use Kawaa to verify email lists, reduce avoidable bounces, and protect sender reputation.

No credit card required