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Send Bulk SMS Singapore With C#

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How to Send Bulk SMS Singapore With C#

Bulk SMS Singapore has introduced a series of API in different programming languages. Now you can send SMS via your C# application and we have included a demo file for your reference.

To understand more about our Bulk SMS Singapore API Key features, please visit our Developer API page.

All available features and configurations will be displayed at the Bulk SMS Singapore Developer API page. Integrate our SMS API into your C# application and enjoy our services.

Download C# Demo Application

Please click below to find out about our send SMS API in other programming languages.

Before compiling or using the C# SMS Client, please ensure you have registered yourself with Bulk SMS Singapore so you can replace the following information inside the script sample below. If you have not registered, click HERE to join!

  1. Bulk SMS Singapore Username
  2. Bulk SMS Singapore Password
  3. Destination number (complete with area code)

Below is a simple sample code for integrating C# SMS Client to your application.

One of the benefits of using C# is you can multiple types of messages, e.g VCard, Flash SMS, calendars, ringtones and so on.

using System.IO;

namespace WindowsFormsApplication1
public partial class sendMsg : Form

public sendMsg()

private void Form1_Load(object sender, EventArgs e)

private void btnSend_Click(object sender, EventArgs e)

// Create a new 'Uri' object with the specified string.
Uri myUri = new Uri("" + txtUser.Text + "&pwd="
+ txtPass.Text + "&dstno=" + txtDstNo.Text + "&msg=" + txtMsgBox.Text + "&type=1&sendid=\"isms\"");

// Create a new request to the above mentioned URL.
WebRequest myWebRequest = WebRequest.Create(myUri);
// Assign the response object of 'WebRequest' to a 'WebResponse' variable.
WebResponse myWebResponse = myWebRequest.GetResponse();
StreamReader reader = new StreamReader(myWebResponse.GetResponseStream());

string s_ResponseString = reader.ReadToEnd();
msgsent show = new msgsent();


After compiling the C# scripts, you will see a window as displayed below. Start by filling in your username and password of your Bulk SMS Singapore account. Then follow by filling in the destination number (receipient's number) and message. Click "Send" to send out your message.

How to send sms with c sharp

A message will be prompt to notify you that the message has been sent. Click "OK" to dismiss the message.

How to send sms with c sharp

Download C# Demo Application

Contact Bulk SMS Singapore

If you need further information, please contact us via the information below:

E-mail |
Note to registered users: Please include your Username in the email.

If operators are busy, please call the next number below.

Phone Numbers:
  • +65 8301 0483 (Singapore)
  • +66 2026 0321 (Thailand)
  • +63 9212 358008 (Philippines)
  • +612 8310 5560 (Australia)
  • +604 642 0621 (Penang, Malaysia)
  • +603-2780 3880 (Line 1 Kuala Lumpur, Malaysia)
  • +603 7980 1388 (Line 2 Kuala Lumpur, Malaysia)
  • +6017 511 8885 (Johor Bahru, Malaysia)
  • 1800 87 7061 (Malaysia Toll Free)
  • +604-6468367 (Penang, Malaysia)
  • +603-79802388 (Kuala Lumpur, Malaysia)

Register For FREE !

  • Register Bulk SMS Singapore Account
  • Purchase Bulk SMS Credits
  • Reload Bulk SMS Credits

Click HERE to Register !