Validate Emails and Domain Names.
Skip fakes.
Proceed with confidence.

Real-time & bulk verification with accurate, developer-friendly APIs priced to beat the market.

✨Get Started for Free🎁
200 checks/monthFree Trial
✅ GDPR-ready
⚡ 99.99% uptime
💳 No card required
Python SDK
from mailsniff import MailSniffClient
# Initialize the client with your API key
client = MailSniffClient(api_key="YOUR_API_KEY")
# Validate a single email
result = client.validate_email("test@example.com")
Response:
{
'success': True,
'result': {
'email': 'test@example.com',
'deliverability': 'UNDELIVERABLE',
'confidence': 'HIGH',
'valid_format': True,
'scores': { 'overall': 37.0 },
...
},
'usage': { 'current': 1, 'limit': 500 }
}
API Ready
✅ Live Demo
✨ Powerful Features

Everything you need to validate emails & domains

From simple syntax checks to advanced deliverability insights and AI-powered domain generation, we've got you covered.

Popular

Real-time API & JS Widget

Validate emails instantly with our lightning-fast API or embed our JavaScript widget directly into your forms.

import { validateEmail } from '@mailsniff/js'
New

Bulk list cleaning

Drag & drop CSV files for async processing with downloadable results.

Upload CSV → Process → Download Results
Security

Fraud & disposable detection

Detect temp-mail, catch-all domains, and bot-generated emails.

Disposable: false, Catch-all: false
Pro

Actionable deliverability insights

MX/SMTP/DMARC checks with plain-English scoring and recommendations.

Score: 95/100 - Excellent deliverability
Advanced

Domain validation & health check

Verify domain MX records, DNS configuration, and domain reputation for comprehensive email deliverability.

MX: ✓ Valid | DNS: ✓ Configured | Reputation: High
AI Powered

Smart AI domain generator

Generate creative, available domain names powered by AI. Perfect for startups and businesses looking for the perfect domain.

AI.generate('tech startup') → techify.io, innovatech.ai

Ready to get started? Choose the perfect plan for your needs.

View Pricing Plans→
💰 Flexible Pricing

Simple, transparent pricing

Start free and scale as you grow. All plans include our core validation features.

All plans include our core validation features.

✓ No credit card required
✓ Cancel anytime

Service Status

Real-time monitoring of our email validation infrastructure

0.00%
Uptime SLA
Guaranteed
99.99% Guaranteed Uptime SLA

All Systems Operational

operational

API Response Time

< 100ms

Security Status

Protected

Last Updated

Just now

Service operating normally • Last incident: Never
❓ Common Questions

Frequently asked questions

Everything you need to know about MailSniff. Can't find the answer? Contact our support team.

Still have questions?

We're here to help! Reach out to our support team.

View documentation→support@mailsniff.com