tru.ID - APIs & SDKs for Mobile AuthenticationWelcome to the tru.ID documentation. Learn about basics used across our products. Then get started with integrating seamless mobile authentication into your native and mobile web apps.



Add blazingly fast mobile phone verification to your app for 2FA or passwordless onboarding.The tru.ID PhoneCheck API confirms ownership of a mobile phone number by verifying the possession of an active SIM card with the same number.


Fortify your existing mobile phone verification against the threat of SIM Swap.The tru.ID SIMCheck API provides information on when a SIM card associated with a mobile phone number last changed.


Build strong customer authentication with mobile phone verification while preventing SIM Swap fraud.The tru.ID SubscriberCheck API combines the functionality offerd by PhoneCheck and SIMCheck into a single API.
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