LeakJar Documentation
Everything you need to integrate breached password detection and exposure monitoring.
Quickstart
Get up and running with LeakJar in under five minutes. Create a project, grab an API key, and make your first check.
Breached Password API
Understand the Breached Password API, authentication, endpoints, and response format.
Range endpoint
Learn how the privacy-preserving range-prefix model works so plaintext passwords never leave the client.
Policies
Configure what happens when a breached password is detected: block, step-up MFA, force reset, or notify.
Webhooks
Receive real-time notifications for password protection events and exposure monitoring alerts.