Best Multi-Factor Authentication (MFA) Apps

100% Protection from SMS pumping fraud with Verify. Verify is a fully managed API for multichannel user verification. And it now includes guaranteed protection from SMS pumping fraud with Fraud Guard. Terms apply. A multi-channel user verification solution in one turnkey API. Add seamless two-factor authentication to your onboarding and login flow with a single API that does the work of a full one-time password (OTP) delivery solution. Fraud Guard has already saved customers over $46 million by blocking over 398 million* fraud attempts. With first-to-market innovation, Fraud Guard offers 100% protection against SMS pumping fraud. Quickly integrate a ready-use solution that handles all your connectivity, channels, code generation, fraud monitoring, and more using native software—so you don’t have to. Reduce fraud across your multi-channel user experience with phone number verification that uses one API endpoint to validate users and detect fraud with minimal friction.

Validate leads and block bad actors with our reliable and simple SMS & Voice 2FA product, so you can engage your worldwide customers. RingCaptcha’s two-factor authentication (2FA) provides an initial screen to block fake leads while our backend code goes one step further, identifying and blocking suspicious requests and adding them to a blocklist to keep your business safe going forward. RingCaptcha can let you validate your leads so that your sales team knows which are real and which are fake. Review leads to identify your competition and prevent them from gaining inside knowledge about your business or driving up your CAC with fake leads. Capture user data to screen out repeat trial users that have no interest in actually purchasing your product and drive up costs. Get rid of freeloaders, get real leads! One click is often all it takes to initiate a sales process, use 2FA by SMS/Voice to ensure your leads are real - not careless.