Disposable Email Checker

Detect temporary and throwaway email addresses instantly. Prevent fake signups, reduce trial abuse, and improve data quality. Check if an email is disposable with our free online tool.

Check an Email Address

We match against database records sourced from community blocklists and verified temporary email providers.

50+ Major Services Detected
Real-Time Updates
100% Accurate Detection

What is a Disposable Email?

A disposable email (also called temporary, throwaway, or one-time email) is an email address created for short-term use that often expires after a few hours or days. These services allow users to receive emails without creating a permanent account or revealing their real email address.

Popular Disposable Email Services:

• TempMail
• 10MinuteMail
• MailinatorInbox
• Temp-Mail
• Anonymous Email
• And 45+ more...

Why People Use Disposable Emails:

  • Privacy Protection: Avoid spam and marketing emails by not revealing their real email.
  • Trial Abuse: Sign up for multiple free trials without restrictions.
  • Fake Registrations: Create accounts without commitment or verification.
  • Testing: Developers test email functionality without real accounts.

Why Block Disposable Email Addresses?

Reduce Fraud Risk

Disposable emails are often used by fraudsters to create multiple fake accounts and exploit your service.

Prevent Trial Abuse

Stop users from signing up for unlimited free trials using different temporary email addresses.

Improve Data Quality

Build a cleaner user database with real, committed users who provide legitimate contact information.

Enable Support

Ensure you can contact users for support, notifications, and account recovery when needed.

Reduce Chargebacks

Legitimate users are less likely to chargeback. Disposable email users have higher fraud rates.

Meet Compliance

Some compliance frameworks require verifiable, legitimate contact information from users.

Use Cases for Disposable Email Detection

SaaS & Free Trial Services

Prevent users from creating unlimited trial accounts with different disposable emails. Detect fraud and limit abuse.

E-commerce & Marketplaces

Reject disposable emails from seller registrations to reduce fraudulent sellers and scam accounts.

Online Gaming & Communities

Stop botnet accounts and multi-accounting abuse by blocking temporary email addresses.

Financial Services

Comply with KYC requirements and reduce fraud by verifying legitimate user contact information.

Lead Generation & Marketing

Collect high-quality, legitimate leads by rejecting temporary email addresses at signup.

API & Developer Platforms

Protect your API from abuse by rejecting developers who sign up with temporary email addresses.

Integrate Into Your Application

API Integration

Use our REST API to check disposable emails in real-time during user registration.

Real-time detection
<50ms response time
99.9% uptime SLA
Free tier available

Code Example

const response = await fetch(
  'https://api.inboxrisk.com/v1/email/disposable',
  {
    method: 'POST',
    headers: {
      'Authorization': 'Bearer YOUR_API_KEY',
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      email: 'user@example.com'
    })
  }
);

const result = await response.json();
// {
//   "email": "user@example.com",
//   "is_disposable": false,
//   "service": null
// }
View Full API Documentation