Delphi DLL

Twilio Send SMS (using Chilkat HTTP)

See more Twilio Examples

Send an outgoing SMS message. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, HttpRequest, HttpResponse, StringBuilder, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
req: HCkHttpRequest;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
account_sid: PWideChar;
api_version: PWideChar;
body: PWideChar;
date_created: PWideChar;
date_sent: PWideChar;
date_updated: PWideChar;
direction: PWideChar;
error_code: PWideChar;
error_message: PWideChar;
from: PWideChar;
messaging_service_sid: PWideChar;
num_media: PWideChar;
num_segments: PWideChar;
price: PWideChar;
price_unit: PWideChar;
sid: PWideChar;
status: PWideChar;
subresource_urisMedia: PWideChar;
v_to: PWideChar;
uri: PWideChar;

begin
success := False;

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

http := CkHttp_Create();

// Implements the following CURL command:

// (See information about using test credentials and phone numbers:  https://www.twilio.com/docs/iam/test-credentials)

// curl -X POST https://api.twilio.com/2010-04-01/Accounts/TWILIO_ACCOUNT_SID/Messages.json \
// --data-urlencode "From=+15005550006" \
// --data-urlencode "Body=body" \
// --data-urlencode "To=+15005551212" \
// -u TWILIO_ACCOUNT_SID:TWILIO_AUTH_TOKEN

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

CkHttp_putLogin(http,'TWILIO_ACCOUNT_SID');
CkHttp_putPassword(http,'TWILIO_AUTH_TOKEN');

req := CkHttpRequest_Create();
CkHttpRequest_putHttpVerb(req,'POST');
CkHttpRequest_putPath(req,'/2010-04-01/Accounts/TWILIO_ACCOUNT_SID/Messages.json');
CkHttpRequest_putContentType(req,'application/x-www-form-urlencoded');
CkHttpRequest_AddParam(req,'From','+15005550006');
CkHttpRequest_AddParam(req,'Body','body');
CkHttpRequest_AddParam(req,'To','+15005551212');

resp := CkHttpResponse_Create();
success := CkHttp_HttpReq(http,'https://api.twilio.com/2010-04-01/Accounts/TWILIO_ACCOUNT_SID/Messages.json',req,resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

sbResponseBody := CkStringBuilder_Create();
CkHttpResponse_GetBodySb(resp,sbResponseBody);
jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,False);

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkJsonObject__emit(jResp));

// A 201 status code indicates success.
respStatusCode := CkHttpResponse_getStatusCode(resp);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkHttpResponse__header(resp));
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "account_sid": "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
//   "api_version": "2010-04-01",
//   "body": "body",
//   "date_created": "Thu, 30 Jul 2015 20:12:31 +0000",
//   "date_sent": "Thu, 30 Jul 2015 20:12:33 +0000",
//   "date_updated": "Thu, 30 Jul 2015 20:12:33 +0000",
//   "direction": "outbound-api",
//   "error_code": null,
//   "error_message": null,
//   "from": "+15017122661",
//   "messaging_service_sid": "MGXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
//   "num_media": "0",
//   "num_segments": "1",
//   "price": null,
//   "price_unit": null,
//   "sid": "MMXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
//   "status": "sent",
//   "subresource_uris": {
//     "media": "/2010-04-01/Accounts/ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Messages/SMXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Media.json"
//   },
//   "to": "+15558675310",
//   "uri": "/2010-04-01/Accounts/ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Messages/SMXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.json"
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

account_sid := CkJsonObject__stringOf(jResp,'account_sid');
api_version := CkJsonObject__stringOf(jResp,'api_version');
body := CkJsonObject__stringOf(jResp,'body');
date_created := CkJsonObject__stringOf(jResp,'date_created');
date_sent := CkJsonObject__stringOf(jResp,'date_sent');
date_updated := CkJsonObject__stringOf(jResp,'date_updated');
direction := CkJsonObject__stringOf(jResp,'direction');
error_code := CkJsonObject__stringOf(jResp,'error_code');
error_message := CkJsonObject__stringOf(jResp,'error_message');
from := CkJsonObject__stringOf(jResp,'from');
messaging_service_sid := CkJsonObject__stringOf(jResp,'messaging_service_sid');
num_media := CkJsonObject__stringOf(jResp,'num_media');
num_segments := CkJsonObject__stringOf(jResp,'num_segments');
price := CkJsonObject__stringOf(jResp,'price');
price_unit := CkJsonObject__stringOf(jResp,'price_unit');
sid := CkJsonObject__stringOf(jResp,'sid');
status := CkJsonObject__stringOf(jResp,'status');
subresource_urisMedia := CkJsonObject__stringOf(jResp,'subresource_uris.media');
v_to := CkJsonObject__stringOf(jResp,'to');
uri := CkJsonObject__stringOf(jResp,'uri');

CkHttp_Dispose(http);
CkHttpRequest_Dispose(req);
CkHttpResponse_Dispose(resp);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

end;