Check e-mail or username for a data breach

Description

LeakCheck is a service that enables users and companies to ascertain whether their credentials have been compromised. By utilising this API, users can ascertain whether their email address or username has been involved in any data breach.

What can you use it for?

Build a quick breach-check widget for sign-up forms, add breach-alerts to your dashboard, or scan a list of emails for risk. You can use the free Public API to show which breach sources mention an identifier without revealing leaked values. If you need full records, passwords or bulk/monitoring features, upgrade to the Pro plans. It’s fast and great for prototypes or small apps, with paid tiers for heavier use.

API Stats