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      Two Factor Authentication Bring more security to your customers.

      Browse the code

      How does it work?

      Use SMS, automated calling, or a local app to receive dynamic codes for secure login, payment transactions and more.

      You log in

      The first factor of authentication is logging into your site as normal, this triggers your one time token to be sent to your device.

      You get a code

      You receive the code on your mobile device.

      You enter the code

      Finally the code is entered into the website in order to confirm it is indeed you, completing the two-factor authentication process.

      The Code

      Use the Python WebAPI Library in order to use the sample app to send a text message with a random 4 digit code from 1000 to 9999.

      Take the tutorial
      from tropo import Tropo
      TO_NUMBER = ‘+12223334444’
      t = Tropo()
      t.message(“Your one time token is” + random.randint(1000,9999),TO_NUMBER,channel=“TEXT”,network=“SMS”,timeout=“5”)
      json = t.RenderJson()

      Why Tropo?

      No Hardware

      Tropo is an in the cloud API which can power any type of Voice or SMS Real Time Communications. Nothing to buy, nothing to install, nothing to maintain. Easy to try out, easy to scale your wild success.

      Developer Friendly

      All you need is a text editor and a credit card and you can have a working app in minutes. Develop in languages that web developers are already familiar with: Python, Ruby, Javascript, and more.

      Build Anything

      All the sources for our demos are right on their pages, use them to jumpstart your app.