Powerful Email Verification
API for Your Business

Validate emails in real-time with advanced checks including MX records, SMTP verification, and disposable email detection powered by community-maintained lists.

15,000+
Disposable Domains
99.9%
Uptime
< 2s
Response Time
Auto
Daily Updates

Comprehensive Email Validation

Format Validation

RFC-compliant email format checking

🌐

MX Records

Verify domain has valid mail servers

📬

SMTP Check

Real mailbox existence verification

🔥

Disposable Detection

Community-maintained lists (15,000+ domains)

Fast & Reliable

Average response time under 2 seconds

🎯

Deliverability Score

0-100 score for email quality

🔒

Secure & Private

No data logging or storage

🔄

Auto-Updates

Daily updates from GitHub sources

Simple Integration

curl -X POST https://api.onyxberry.com/api/verify \
  -H "Content-Type: application/json" \
  -H "X-API-Key: your-api-key" \
  -d '{"email":"user@example.com"}'
const response = await fetch('https://api.onyxberry.com/api/verify', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'X-API-Key': 'your-api-key'
  },
  body: JSON.stringify({ email: 'user@example.com' })
});
const data = await response.json();
console.log(data[0].result);
import requests

response = requests.post(
    'https://api.onyxberry.com/api/verify',
    headers={'X-API-Key': 'your-api-key'},
    json={'email': 'user@example.com'}
)
result = response.json()[0]['result']
print(f"Status: {result['status']}, Score: {result['score']}")
<?php
$ch = curl_init('https://api.onyxberry.com/api/verify');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(['email' => 'user@example.com']));
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    'Content-Type: application/json',
    'X-API-Key: your-api-key'
]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = json_decode(curl_exec($ch), true);
curl_close($ch);
?>

Simple Pricing

Free Tier

$0/month
  • ✓ 100 requests per 15 minutes
  • ✓ All validation features
  • ✓ Community lists access
  • ✓ API key management
  • ✓ Usage statistics
Get Started

Enterprise

Custom
  • ✓ Unlimited requests
  • ✓ Dedicated infrastructure
  • ✓ Custom rate limits
  • ✓ SLA guarantee
  • ✓ Premium support
  • ✓ Custom integration
Contact Us

Ready to Start Verifying Emails?

Get your free API key and start validating emails in minutes

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