![]() ![]() To register a user of your application for any authenticator app takes a couple steps.įirst, sign in to your Twilio account (or create a new account) and create an Authy application in the Twilio console. also has SMS, Voice and email channels to support fallback or user choice.manages passcode generation and checking for you.We recommend using the Authy API to implement TOTP in your application because it: How to implement TOTP 2FA in your application This is how the account and the authenticator app sync the secret key. We recommend scanning a QR code, but you can also enter the key manually. Here's a look at how the Authy Application prompts a user to add a new account. This is a great option for users that may have unstable cellular connections for receiving SMS 2FA or for users who want a more secure channel than SMS 2FA. Because the inputs are available offline, the whole method works offline. Those get put through a one-way function that creates a truncated, readable token. Inputs to the TOTP algorithm include a secret key and your system time. ![]()
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