TxtImpact provides simple HTTP interface for clients to send and receive messages from mobile phone users.
HTTP POST can be used in all modern programming languages including ASP, ASP.NET, C++, C#, PHP, VB, VB.NET, command lines, SSH & cURL.

• Send SMS Messages Directly From Your Applications or Website
Send texts to an individual or multiple recipients directly from your server.

• Receive SMS Messages Directly To Your Server
Whether you have a Short Code, Shared or Dedicated Inbound Number all inbound texts will be forwarded directly onto your server.

• Easy and Immediate Implementation
Implementation of the required code and integrating it with our system can all be done in less than 30 minutes.

• No SMS/SMPP Gateway required to be installed on client site.

<?php
$ch = curl_init(http://smsapi.Wire2Air.com/smsadmin/submitsm.aspx');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, " VERSION=2.0&userid=[username]&password=[userpassword]&VASId=[VASId]& PROFILEID =[ PROFILEID ]& FROM =27126&TO=[Mobile Number]&Text=[Text Message]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);

$data = curl_exec($ch);

Print($data); /* result of API call*/

?>

string ret=string.Empty;

WebRequest w=WebRequest.Create("http://smsapi.TxtImpact.com/smsadmin/submitsm.aspx");

w.Method="POST";

w.ContentType="application/x-www-form-urlencoded";

using(Stream writeStream = w.GetRequestStream())
{
UTF8Encoding encoding = new UTF8Encoding();
byte[] bytes = encoding.GetBytes("VERSION=2.0&userid=[username]&password=[userpassword]&VASId=[VASId] & PROFILEID =[ PROFILEID ]& FROM =27126&TO=[Mobile Number]&Text=[Text Message]);

writeStream.Write(bytes, 0, bytes.Length);
}

using (HttpWebResponse r = (HttpWebResponse) w.GetResponse())
{
using (Stream responseStream = r.GetResponseStream())
{
using (StreamReader readStream = new StreamReader (responseStream, Encoding.UTF8))
{
ret = readStream.ReadToEnd();
}
}
}
MessageBox.Show(ret); /* result of API call*/


sstrData = "version=2.0"
sstrData = "To=" & [Mobile Number]
sstrData = sstrData + "&From=27126"
sstrData = sstrData + "&UserId=XXXXX"
SstrData = sstrData + "&Password=XXXXX"
SstrData = sstrData + "&vasid=XXXX"
SstrData = sstrData + "&networkid=44"
SstrData = sstrData + "&profileid=2"
SstrData = sstrData + "&Text=Demo Message"


Set myhttp=CreateObject ("Msxml2.XMLHTTP")

Myhttp.open ("POST", "http://smsapi.TxtImpact.com/smsadmin/submitsm.aspx", false)

Myhttp.setRequestHeader "Content-Type", "application/x-www-form-urlencoded"

Myhttp.send sstrData
Response.write myhttp.responsetext
Set myhttp = Nothing