How to send otp on any mobile number using Twilio

Step 1. Create .net core 8 console app.

Step 2. install Twilio from  nuget package (just type Twilio in Manage nuget package, 

            +75M downloaded)

or just paste it in edit Project file

 <ItemGroup>

   <PackageReference Include="Twilio" Version="7.8.0" />

 </ItemGroup>

Step 3. Write down the code in main method Program.cs

using System;

using Twilio;

using Twilio.Rest.Api.V2010.Account;

class Program

{

    static void Main(string[] args)

    {

        // Twilio Account SID aur Auth Token (Twilio Console se lein)

        const string accountSid = "AC55d242a0054a1aa9818dac9c49637....";

        const string authToken = "4f21c3dbe6321f1201c39ed9e67e5.....";

        // Twilio Client Initialize

        TwilioClient.Init(accountSid, authToken);

        // OTP Generate karna

        Random random = new Random();

        string otp = random.Next(100000, 999999).ToString();

        // Message bhejna

        var message = MessageResource.Create(

            body: $"Your OTP is {otp}.",

            from: new Twilio.Types.PhoneNumber("+1 570 539 ......."), // Twilio Verified Number

            to: new Twilio.Types.PhoneNumber("+91834026669...")     // User's Phone Number

        );

        Console.WriteLine($"OTP Sent: {otp} | Message SID: {message.Sid}");

        Console.ReadLine();

    }

}

Download project here