Node.js
Try it out!
First, stop any running instances of your application then run your program again using:
node server.js
Visit http://localhost:3000 in your browser and click the "Verify me" button:

Enter your mobile number in E.164 format and then click the "Get Verification Code" button:

You will shortly receive an SMS at that number, containing a code. Enter the code and click "Verify me!":

You should be returned to the home page and, if you entered the number correctly, it will be displayed:

Step-up Authentication
Add an extra layer of security when users perform sensitive tasks
Steps
1
Introduction2
Create the Node.js application3
Initialize your dependencies4
Configure the application5
Define the routes6
Create the UI7
Display the home page8
Send the verification request9
Check the verification code10
Try it out!11
What's next?