IDlayr logo
IDlayr homeDocsChangelogConsoleLogout
warning
Developer Portal is being retired and replaced by the Enterprise Portal. If you have not received migration communications or are unsure how to access the Enterprise Portal, please contact support.

Docs

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.

Products

PhoneCheck

Add 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.

SIMCheck

Fortify 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.

SubscriberCheck

Build 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.

MoCheck

Improve 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.
StatusSupportContact SalesTermsPrivacyCode of Conduct
Made withacross the 🌍
© 2026 4Auth Limited. All rights reserved. IDlayr is the trading name of 4Auth Limited.