IDlayr - APIs & SDKs for Mobile AuthenticationWelcome to the IDlayr documentation. Learn about basics used across our products. Then get started with integrating seamless mobile authentication into your native and mobile web apps.ProductsPhoneCheckAdd blazingly fast mobile phone verification to your app for 2FA or passwordless onboarding.The IDlayr PhoneCheck API confirms ownership of a mobile phone number by verifying the possession of an active SIM card with the same number.SIMCheckFortify your existing mobile phone verification against the threat of SIM Swap.The IDlayr SIMCheck API provides information on when a SIM card associated with a mobile phone number last changed.SubscriberCheckBuild strong customer authentication with mobile phone verification while preventing SIM Swap fraud.The IDlayr SubscriberCheck API combines the functionality offerd by PhoneCheck and SIMCheck into a single API.MoCheckImprove user experience and increase coverage for 2FA.The IDlayr MOCheck API verifies a user as the owner of their mobile phone and number with minimal user interaction. Ideal for when SNA is not available.