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Ruby on Rails Quickstart for Twilio Authy Two-factor Authentication

Adding Two-factor Authentication to your application is the easiest way to increase security and trust in your product without unnecessarily burdening your users. This quickstart guides you through building a Ruby and Ruby on Rails application that restricts access to a URL. Four Authy API channels are demoed: SMS, Voice, Soft Tokens and Push Notifications.

Ready to protect a tiny app from malicious hackers?

Sign Up For or Sign Into a Twilio Account

Create a new Twilio account (you can sign up for a free Twilio trial), or sign into an existing Twilio account.

Create a New Authy Application

Once logged in, visit the Authy Console. Click on the red 'Create New Aplication' (or big red plus ('+') if you already created one) to create a new Authy application then name it something memorable.

Authy create new application

You'll automatically be transported to the Settings page next. Click the eyeball icon to reveal your Production API Key.

Account Security API Key

Copy your Production API Key to a safe place, you will use it during application setup.

Setup the Authy Client on Your Device

This Two-factor Authentication demos two channels which require an installed Authy Client to test: Soft Tokens and Push Notifications. While SMS and Voice channels will work without the client, to try out all four authentication channels download and install Authy Client for Desktop or Mobile:

Clone and Setup the Application

Clone our repository locally, then enter the directory. Install all of the necessary ruby modules:

bundle install

Next, open the file config/application.example.yml. There, edit the ACCOUNT_SECURITY_API_KEY, pasting in the API Key from the above step (in the console), and save the file as config/application.yml.

It will be loaded when the application begins.

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      Enter the API Key from the Authy console.

      Add Your Application API Key

      Enter the API Key from the Authy console.

      Once you have added your API Key, you are ready to run! Launch Rails with:

      ./bin/rails server
      

      If your API Key is correct, you should get a message your new app is running!

      Try the Ruby on Rails Authy Two-Factor Demo

      With your phone (optionally with the Authy client installed) nearby, open a new browser tab and navigate to http://localhost:3000/register/

      Enter your information and invent a password, then hit 'Register'. Your information is passed to Twilio (you will be able to see your user immediately in the console), and the application is returned a user_id.

      Now visit http://localhost:3000/login/ and login. You'll be presented with a happy screen:

      Token Verification Page

      If your phone has the Authy Client installed, you can immediately enter a Soft Token from the client to Verify. Additionally, you can try a Push Authentication simply by pushing the labeled button.

      If you do not have the Authy Client installed, the SMS and Voice channels will also work in providing a token. To try different channels, you can logout to start the process again.

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          And there you go, Authy two-factor authentication is on and your Rails app is protected!

          What's Next?

          Now that you are keeping the hackers out of this demo app using Twilio Authy two-factor authentication, you can find all of the detailed descriptions of options and API calls in our Authy API Reference. If you're also building a registration flow, also check out our Verify product and the Ruby Phone Verification quickstart which uses this codebase.

          For additional guides and tutorials on account security and other products, in Ruby and in our other languages, take a look at the Docs.

          Need some help?

          We all do sometimes; code is hard. Get help now from our support team, or lean on the wisdom of the crowd browsing the Twilio tag on Stack Overflow.

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