Using ePochta SMS Gateway

ePochtaSimpleDemo.cs

using System;
using Rest4Net.ePochta;
using Rest4Net.ePochta.Responses;

namespace ConsoleApplication1
{
    class Program
    {
        // Provide yours here
        private const string PublicKey = "public-key";
        private const string PrivateKey = "private-key";

        static void Main()
        {
            // Creating a disposable API accessor
            using (var epochta = new ePochtaProvider(PublicKey, PrivateKey))
            {
                // Sending sms
                var result = epochta.SendSms("+12223334455", new MessageInfo("Text of sms", "Sender Title"));

                // Informational
                Console.WriteLine("Created campaign id: {0}", result.Id);
                Console.WriteLine("Total price for campaign: {0}", result.Price);
                Console.WriteLine("Currency for the price: {0}", result.PriceCurrency);
            }
        }
    }
}

The article http://www.oleksiy.pro/2014/06/04/using-epochta-sms-gateway/