LeakCheck Breach CheckerFree REST API
Security and data breach verification API that checks if an email or username appeared in known public data breaches.
Developer Workbench & Live ConsoleZero-Auth
Test real endpoints directly, inspect live JSON, or copy implementation code.
International Phone Validator & E.164 Formatter
Validate phone numbers across 240+ countries, parse E.164 formats, detect carrier line types, and generate RFC 3966 URIs.
Test and interact with this service in your browser using our International Phone Validator & E.164 Formatter tool.
Frequently Asked Questions (FAQ)
Technical and integration answers for LeakCheck Breach Checker.
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