(.NET Core C#) Send SMS Messages via Route Mobile's SMSPlus REST API

Demonstrates how to use the Route Mobile SMSPLUS Bulk HTTP API.

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//  This requires the Chilkat API to have been previously unlocked.
//  See Global Unlock Sample for sample code.

Chilkat.HttpRequest req = new Chilkat.HttpRequest();

req.Path = "/bulksms/bulksms";
req.AddParam("username","YOUR_USERNAME");
req.AddParam("password","YOUR_PASSWORD");

//  Indicate the type of message.
//  Values for type include:
//  0: Plain text (GSM 3.38 Character encoding)
//  1: Flash (GSM 3.38 Character encoding)
//  2: Unicode
//  3: Reserved
//  4: WAP Push
//  5: Plain text (ISO-8859-1 Character encoding)
//  6: Unicode Flash
//  7: Flash (ISO-8859-1 Character encoding)
req.AddParam("type","0");

//  destination is the Mobile number to which the message is to be sent
//  (may or may not include a plus [+] sign).
//  Multiple mobile numbers can be separated by commas (,)
//  No need to URL encode strings passed to AddParam.
//  Chilkat will automatically URL encode when the request is sent.
req.AddParam("destination","+14155551234");

//  Specify the source address that should appear in the message.
//  Max Length of 18 if numeric.
//  Max Length of 11 if alphanumeric. To prefix the plus sign (+) to the senders address 

//  when the message is displayed on their cell phone, please prefix the plus sign
//  to your senders address while submitting the message 

req.AddParam("source","+14155558999");

//  Add the message itself.  (No URL encoding needed.)
req.AddParam("message","Test Message");

Chilkat.Http http = new Chilkat.Http();
Chilkat.HttpResponse resp = http.PostUrlEncoded("http://api.rmlconnect.net/bulksms/bulksms",req);
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

//  Examine the response status code and the response body:
Debug.WriteLine("response status code = " + Convert.ToString(resp.StatusCode));
Debug.WriteLine("response body:");
Debug.WriteLine(resp.BodyStr);