BreachDirectory is a data breach search service and API that checks if email addresses, usernames, or passwords have appeared in known data breaches — similar to HaveIBeenPwned but with API-first design for developers building breach monitoring into applications. The API serves developers integrating breach checking into security tools, user registration flows, and enterprise security dashboards. Free API tier allows limited queries; paid plans support high-volume breach monitoring at scale.
BreachDirectory
Data breach search API for developers
Best for: Developers building breach checking into applications needing an API-first alternative to HaveIBeenPwned
- Free plan
3.8/5 ratingEditorial score 68/100breachdirectory.org
The editorial note
What to know about BreachDirectory
Is it right for you?
Who BreachDirectory suits
Choose it if
- Developers building breach checking into applications needing an API-first alternative to HaveIBeenPwned
Look elsewhere if
- Non-technical users checking personal breach status (HaveIBeenPwned's UI is simpler for that)
What you get
Key features
- Breach API
- Email lookup
- Username lookup
- Password SHA-1 check
- Bulk queries
- JSON responses
Works with
Integrations3
REST APIPythonNode.js
The trade-off
Pros and cons
Pros
- API-first
- Free tier
- Email/username/password checking
- Developer-focused
- Real-time lookups
Cons
- Smaller database than HIBP
- Less trusted than HIBP
- Basic documentation
Quick read
At a glance
- Category
- Cybersecurity & Privacy
- Pricing model
- Freemium
- Free plan
- Available
- Free trial
- Not listed
- Website
- breachdirectory.org
The verdict
Our take on BreachDirectory
Best breach checking API for developer security integrations. BreachDirectory's API-first design serves developers who need to check user credentials against known breaches during registration or login — building a security layer that HIBP's UI doesn't expose as a clean developer API at similar pricing.
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