How to Send Free SMS in C#.NET using SMS API in 2024? [With Source Code]
using Vonage;
using Vonage.Request;
var credentials = Credentials.FromApiKeyAndSecret(
txtAPIKey.Text,
txtAPISec.Text
);
var VonageClient = new VonageClient(credentials);
var response = VonageClient.SmsClient.SendAnSms(new…