MFA/2FA SMS

Normally, it need a Premium or Ultimate account plan to have access to the RingCentral API platform. However, ever, depend on some business cases we can grant access to the platform. Please contact your account manager (if you are already have an account) or visit our [main site][1] and chat with our expert. Once you have an account and can access the platform, you can build your own app for 2FA SMS service. Read [this article][2] and check out the code for more references. [1]: https://ringcentral.com [2]: https://medium.com/ringcentral-developers/increasing-security-with-two-factor-authentication-and-ringcentral-8bbf7c24dab6