Product overview · Live
Nummer prüfen
Gib eine Nummer ein, um geprüfte, datenschutzbegrenzte Fakten abzurufen.
Channels
BROWSER
Data classification
First-party facts
Developer calls use API keys and JSON over TLS. Browser checkers never receive those keys: they remain ByteGuard-bound and return encrypted response envelopes.
Authentication, validation, and server failures consume no units.