Pascal (Lazarus/Delphi)

Clickatell Send SMS Text Message using HTTP GET

See more Clickatell Examples

Demonstrate how to send a Clickatell SMS text message using an HTTP GET request with query params. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Http,
  Chilkat.HttpResponse,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  queryParams: TJsonObject;
  resp: THttpResponse;

begin
  success := False;

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

  http := THttp.Create;

  //  Implements the following CURL command:

  //  curl -G https://api.clickatell.com/http/sendmsg \
  //    -d "api_id=xxxx" \
  //    -d "user=yourUsername" \
  //    -d "password=yourPassword" \
  //    -d "from=yourFromPhoneNumber" \
  //    -d "to=receiverPhoneNumber" \
  //    -d "text=The text of your message"

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

  queryParams := TJsonObject.Create;
  queryParams.UpdateString('api_id','xxxx');
  queryParams.UpdateString('user','yourUsername');
  queryParams.UpdateString('password','yourPassword');
  queryParams.UpdateString('from','yourFromPhoneNumber');
  queryParams.UpdateString('to','receiverPhoneNumber');
  queryParams.UpdateString('text','The text of your message');

  //  If the following URL does not work, then try "https://api.clickatell.com/http/sendmsg"
  resp := THttpResponse.Create;
  success := http.HttpParams('GET','https://platform.clickatell.com/messages/http/send',queryParams,resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  WriteLn(resp.StatusCode);
  WriteLn(resp.BodyStr);


  http.Free;
  queryParams.Free;
  resp.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.