Email Verification API

Ultrafast, Robust Email Verification API

Easy-to-integrate REST API for real-time email verification. Verify emails at the point of capture and keep your database clean from the start.

Get API Key Free View Documentation

api-example.js

const response = await fetch(
  'https://api.clearbounce.net/v1/verify',
  {
    method: 'POST',
    headers: {
      'X-API-Key': 'your_api_key',
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      email: 'test@example.com'
    })
  }
);

// Response
{
  "status": "deliverable",
  "email": "test@example.com",
  "score": 95,
  "reason": "accepted_email"
}

Why Choose Our API?

Built for developers, optimized for performance

Lightning Fast

Average response time under 500ms. Verify emails in real-time without slowing down your forms.

99.5% Accuracy

Industry-leading accuracy powered by our AI-driven multi-stage engine with intelligent catch-all detection.

Batch Support

Verify up to 10,000 emails per batch request. Process large lists efficiently with async webhooks.

Secure & GDPR

Enterprise-grade security. GDPR compliant. We never store or share your email data.

Detailed Response

Rich JSON response with status, reason codes, risk score, and metadata for each email.

Easy Integration

Simple REST API with SDKs for Node.js, Python, PHP, Ruby. Integrate in minutes.

Simple Integration

Get started with just a few lines of code

cURL

curl -X POST https://api.clearbounce.net/v1/verify \
  -H "X-API-Key: your_api_key" \
  -H "Content-Type: application/json" \
  -d '{"email": "test@example.com"}'

Python

import requests

response = requests.post(
    'https://api.clearbounce.net/v1/verify',
    headers={'X-API-Key': 'your_api_key'},
    json={'email': 'test@example.com'}
)
print(response.json())