Using C# with twilio to send SMS – part 001.

You need to have a account at
I used a free trial account to make this demo application.
You need to take for you a number on that support Twilio SMS. I got one in the US to send SMS to my country.
Open your Visual Studio and create a new Project with Windows Form Application.
This will make your Windows Form with Form1.cs and Form1.cs [Design] .
You need to install with Visual Studio the twilio-csharp library.
This library lets you write C# code – go to Visual Studio menu:
Tools > NuGet Package Manager > Package Manager Console and use this command to install twilio-csharp library.

Find the Toolbox ( Ctrl+Alt+X keys ) and add one button to your Windows Form.
Under Form1.cs [Design] press double left click with the mouse on Button ( is named button1 ).
This will open the Form1.cs and add this source code:

Fill with your accountSid, authToken and your number mobile phone from your twilio account console.
Save the file Form1.cs and then Build and Run the application.
Press the button to send the SMS message and you will see this output: