Features

Powerful email verification
built for scale

Everything you need to keep your email lists clean, your sender reputation protected, and your campaigns successful. See our pricing plans or explore integrations.

Why verify your emails?

Clean email lists are the foundation of successful email marketing

01

Boost Deliverability

Up to 98%

Reach more inboxes by removing invalid, risky, and undeliverable emails from your lists.

02

Reduce Costs

Save 40%

Stop paying to send emails that bounce. Clean lists mean lower ESP costs and better ROI.

03

Protect Reputation

Safe Sending

Maintain a healthy sender score by avoiding spam traps, bounces, and complaint triggers.

04

Quality Leads Only

Real Users

Ensure your marketing reaches real people with verified, active email addresses.

05

Save Time

Automated

Automate verification at signup or import. No manual list cleaning required.

06

Global Coverage

200+ Countries

Verify emails from any domain worldwide with support for international characters.

Verify your first 150 emails free

No credit card required • Results in seconds

Core Features

Everything you need for email verification

Enterprise-grade tools trusted by thousands of users worldwide

Verify emails instantly as users type

Real-Time Email Validation API

Our real-time validation API checks email addresses the moment they're entered, preventing invalid emails from ever reaching your database. The verification is so fast, users won't even notice it happening.

Integration is seamless and works on any form, including signup pages, checkout flows, and lead capture forms. The API handles syntax validation, domain verification, and mailbox checking in a single request.

  • Instant verification
  • Simple API setup
  • No coding required
  • Prevents typos at entry point
  • Reduces bounce rates by 95%
Get started with Real-Time
10+
Verification checks
Instant verification
Simple API setup
No coding required
Multi-layer verification technology

99% Verification Accuracy

Every email passes through our 10-step verification pipeline including syntax validation, DNS lookups, MX record checks, and real-time SMTP verification. This comprehensive approach ensures maximum accuracy.

Our proprietary algorithms detect catch-all domains, role-based addresses, and temporary email services. Each verification returns a confidence score from 0-100, giving you granular control over which emails to accept.

  • 10-step verification process
  • Confidence scoring (0-100)
  • Detailed result codes
  • Catch-all domain detection
  • Role-based email flagging
Get started with 99%
99%
Accuracy rate
10-step verification process
Confidence scoring (0-100)
Detailed result codes
Protect your sender reputation

Spam Trap & Disposable Email Detection

Spam traps and disposable emails can destroy your sender reputation overnight. Our extensive database of known spam traps and disposable domains protects you from these dangerous addresses.

We continuously update our database with new threats, including honeypot addresses, recycled spam traps, and the latest temporary email services. Sending to these addresses can get your domain blacklisted. We help you avoid that.

  • Extensive spam trap database
  • Disposable email detection
  • Honeypot identification
  • Real-time threat updates
  • Blacklist prevention
Get started with Spam
24/7
Threat monitoring
Extensive spam trap database
Disposable email detection
Honeypot identification
Upload and verify entire email lists

Bulk List Verification

Need to clean a large list? Upload CSV files with thousands or millions of emails and get verified results quickly. Our batch processing handles any list size efficiently.

Simply drag and drop your CSV file, map your email column, and let our system do the work. Get detailed reports showing valid, invalid, risky, and unknown emails. Download cleaned lists ready for your next campaign.

  • CSV file upload
  • Automatic column mapping
  • Progress tracking
  • Detailed result reports
  • Export cleaned lists
Get started with Bulk
1M+
Emails per upload
CSV file upload
Automatic column mapping
Progress tracking
Integrate email verification in minutes

Developer-First API & SDKs

Our RESTful API is designed for developers. Clean JSON responses, comprehensive documentation, and SDKs for popular languages mean you can be up and running in under 3 minutes.

Simple authentication with API keys, clear error messages, and detailed response codes make integration straightforward. Start verifying emails in minutes, not hours.

  • RESTful JSON API
  • SDKs for popular languages
  • Comprehensive documentation
  • Simple API key auth
  • Detailed response codes
Get started with Developer-First
3 min
Integration time
RESTful JSON API
SDKs for popular languages
Comprehensive documentation
Connect with your favorite tools

Seamless Platform Integrations

EmailMarker integrates directly with popular email marketing platforms and CRMs. Verify subscribers automatically without leaving your existing workflow.

Connect with Mailchimp, SendGrid, Klaviyo, ActiveCampaign, and more. Set up automatic verification for new subscribers or clean entire lists with a single click. No coding required.

  • No coding required
  • One-click setup
  • Automatic sync
  • One-click list cleaning
  • New subscriber verification
Get started with Seamless
10+
Platform integrations
No coding required
One-click setup
Automatic sync
Verification Process

How we verify every email

Our 10-step verification ensures 99% accuracy. Learn more about our ESP integrations.

InputVerified ✓
01

Syntax Check

Validates email format follows RFC standards

Detects:Malformed emails
02

Typo Detection

Catches common misspellings in domains

Detects:gmial.com → gmail.com
03

Disposable Filter

Blocks temporary email services

Detects:Mailinator, Guerilla Mail
04

Role-Based

Identifies generic addresses

Detects:info@, support@, admin@
05

Spam Trap

Cross-references against known traps

Detects:Honeypots & recycled emails
06

MX Records

Verifies domain can receive mail

Detects:Invalid mail servers
07

Catch-All

Detects accept-all configurations

Detects:Unverifiable domains
08

SMTP Verify

Confirms mailbox exists

Detects:Non-existent accounts
09

Domain Age

Checks domain registration date

Detects:New/suspicious domains
10

Risk Score

Calculates deliverability confidence

Detects:0-100 quality score

Verification Complete

All 10 checks passed - Email is safe to send

95
Quality Score
Valid
Status
Developer API

Simple API,
powerful results

Integrate email verification in minutes with our RESTful API. Full documentation, SDKs for popular languages, and webhook support included.

RESTful JSON API
SDKs for Node.js, Python, PHP, Ruby, Go
Detailed response codes & error handling
99% uptime SLA
View API Documentation
verify.js
// Verify a single email
const apiKey = 'YOUR_API_KEY';
const email = '[email protected]';

const response = await fetch(
  `https://app.emailmarker.com/api/verify?apiKey=${apiKey}&email=${email}`
);

const result = await response.json();
// result.result → 'valid', 'invalid', or 'unknown'

Ready to clean your email lists?

Start verifying emails for free. No credit card required. Check our flexible pricing for teams of any size.

Start Free TrialView Pricing