Security News > 2021 > June > New API Lets App Developers Authenticate Users via SIM Cards

SMS alone may not be secure, but mobile phone numbers tethered to a SIM card are: they're a unique pairing that is difficult to tamper with or copy.

It is now possible to prevent fraud and fake accounts while seamlessly verifying mobile users using the most cryptographically secure identifier they already have - the SIM card embedded in their mobile devices.

As part of this verification, the API also retrieves information if the SIM card associated with the phone number has recently changed.

ID API with a phone number you'd like to verify and check SIM status on.

8 - Once the Check URL request has completed and the SIM change information retrieved, the mobile application can request the result of the phone verification from the tru.

ID API. 9 - Use the phone verification match and SIM card change `no sim change` properties within your application logic.

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