Disposable Email Checker

Check if an email address is from a disposable or temporary email service. Block fake signups and throwaway accounts. Free bulk-capable tool.

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Disposable Email Checker tests any email address against a database of over 10,000 known temporary and throwaway email domains. Instantly detect Mailinator, Guerrilla Mail, 10-minute mail services, and thousands more. Integrate via API to block disposable addresses at signup.

How it works

  1. 1Enter the email address or just the domain
  2. 2Click Check
  3. 3See instantly if the domain is flagged as disposable
  4. 4Use the API endpoint for real-time form validation

Who uses this tool

  • ✓SaaS products blocking trial abuse with disposable emails
  • ✓E-commerce sites preventing fake account creation
  • ✓Newsletter services improving list quality
  • ✓Developers building sign-up validation
  • ✓Fraud teams identifying suspicious registration patterns

Frequently Asked Questions

How often is the disposable domain list updated?
Our database is updated regularly from multiple public and proprietary sources.
What if a domain is incorrectly flagged?
Contact us to whitelist legitimate domains that are incorrectly classified as disposable.
Is this free?
Yes, free for individual checks. Bulk API access requires a paid plan.

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