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Free Email Verifier Tool

Verify Any Email
Without Sending One

Instantly validate email addresses in real-time. Check deliverability, catch typos, detect disposable emails — all via a simple REST API.

Email Verification API
Real-time · Bulk · Accurate
GET /api/email?email[email protected]
{
  "valid": true,
  "format": true,
  "disposable": false,
  "mx_records": true,
  "smtp": true
}

Free Email Verifier

Enter any email address to check its validity instantly

No Email Sent
Instant Results
No Credit Card
99.5% Accuracy
How It Works

Verify in 3 Simple Steps

Our multi-layer verification checks every aspect of an email address in milliseconds.

1

Enter Email Address

Simply type or paste the email address you want to verify into our tool above.

2

Instant Multi-Layer Check

We run syntax, domain, MX record, SMTP and disposable email checks simultaneously.

3

Get Detailed Results

Receive a comprehensive report with validity status, risk score, and actionable insights.

Features

Everything You Need to Verify Emails

Our email verification API goes beyond simple syntax checks to deliver true deliverability intelligence.

Syntax Validation

Checks for proper email format, typos, and invalid characters in the email address structure.

MX Record Check

Validates that the email domain has proper mail exchange (MX) DNS records configured.

SMTP Verification

Connects to the mail server to verify that the specific mailbox actually exists and accepts mail.

Disposable Email Detection

Identifies temporary or throwaway email addresses from 10,000+ known disposable email providers.

Real-Time API

Sub-second response times with 99.9% uptime SLA, perfect for real-time form validation workflows.

Bulk Verification

Upload and verify thousands of emails at once. Clean your mailing lists and boost deliverability.

Flexible & Competitive Plans

Choose how you pay, pick your credit tier, and checkout with live Stripe or PayPal links.

FAQ

Frequently Asked Questions

Our email verification runs a multi-step process: format/syntax validation, domain existence check, MX record lookup, SMTP handshake verification, and disposable email detection — all without ever sending an actual email.
No, never. We use SMTP handshake techniques to check if a mailbox exists without delivering any message. The process is completely invisible to the email owner.
Our system achieves 99.5%+ accuracy for most email providers. Some enterprise mail servers have catch-all configurations that may return a valid response for all addresses — we flag these so you can make informed decisions.
Absolutely. Our API supports high-volume bulk verification. You can process thousands of emails per minute and integrate directly with your CRM or marketing tools.
Yes! You can create a free account and get verification credits to start with no credit card required. Check our pricing section above for available plans.
For Developers

Email Verifier API

Integrate real-time email verification directly into your application via REST API.

API Quick Reference

EndpointGET /api/v1/checkemail
AuthAPI Key via query string — ?api_key=YOUR_KEY
Parameteremail — The email address to verify
ResponseJSON — status (bool), reason, disposable
 
curl -X GET "https://lookup.proweblook.com/api/v1/[email protected]"

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Free Credits Included

Get FREE Credits to Start Today

Discover an extensive array of API calls across all ProWebLook APIs. No credit card required — start building in minutes.

Get Your Free API Key View Pricing