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API

Validate Emails with Confidence

Check syntax, verify domain existence, and test mailbox deliverability. Detect disposable email addresses and reduce bounced emails immediately.

Key Features

Everything you need to validate data with confidence

Syntax Validation

Check if email addresses are properly formatted according to RFC standards. Catches typos and invalid formats instantly.

MX Record Verification

Verify that the domain has valid mail servers. Detect non-existent domains before they bounce.

Deliverability Check

Test if the mailbox can receive emails. Reduce hard bounces and improve sender reputation.

Disposable Detection

Identify temporary and disposable email services. Prevent fraud and maintain quality user data.

Role-Based Detection

Detect role-based emails like admin@, support@, info@. Useful for segmenting personal vs. business accounts.

Fast Response Times

Average validation time under 100ms. Suitable for real-time form validation.

Use Cases

See how businesses use this API

1

User Registration

Validate emails during sign-up to prevent typos and fake accounts. Improve data quality from day one.

2

Marketing Campaigns

Clean email lists before sending campaigns. Reduce bounce rates and protect sender reputation.

3

Newsletter Subscriptions

Verify subscription emails to ensure deliverability. Prevent disposable emails from polluting your list.

4

Lead Generation

Validate lead emails immediately. Improve sales team efficiency by focusing on real, deliverable addresses.

PHP

Simple Integration

Validate emails with just a few lines of code

$client = new \ApiCheck\Client('your-api-key');

$result = $client->validateEmail([
    'email' => '[email protected]'
]);

if ($result->isValid()) {
    echo 'Email is valid and deliverable';
} elseif ($result->isDisposable()) {
    echo 'Disposable email detected';
}

Why Choose ApiCheck?

Built for developers, trusted by businesses

Reduces email bounce rates by up to 90%

Detects disposable emails from thousands of known services

Average response time under 100ms

GDPR-compliant with no email data storage

Frequently Asked Questions

Find answers to common questions

What types of validation are performed?

We perform syntax validation (RFC compliance), MX record verification (domain exists), SMTP verification (mailbox exists), and check against our database of disposable email providers.

Can I detect disposable email addresses?

Yes! We maintain a comprehensive database of disposable and temporary email services. The API will flag these addresses so you can decide how to handle them.

Is the email stored after validation?

No, we never store email addresses submitted for validation. All validations are performed in real-time and no data is retained, ensuring GDPR compliance.

How accurate is the deliverability check?

Our deliverability check has an accuracy rate of over 95%. We use SMTP verification to test if the mailbox can receive emails without actually sending a message.

Can I validate emails in bulk?

Yes, bulk validation is supported. You can upload lists of emails for batch processing, making it easy to clean existing databases or validate large lists.

Ready to get started?

Create a free account today and validate your first data immediately