(Delphi DLL) SMSAPI - Send SMS with Multiple Lines of Text

See more SMSAPI Examples

Send an SMS message containing multiple lines of text.

For more information, see https://www.smsapi.com/docs/#2-single-sms

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
success: Boolean;
messageContent: PWideChar;
sbMessage: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;

begin
// 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:

// curl -H "Authorization: Bearer token_api_oauth" \
// "https://api.smsapi.com/sms.do?from=sender_name&to=44123456789&message=message_content&format=json"

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

// Adds the "Authorization: Bearer token_api_oauth" header.
CkHttp_putAuthToken(http,'token_api_oauth');

messageContent := 'Hello' + #13#10 + 'This is a test' + #13#10 + 'with multiple lines of text.';

// Given that our message contentn has newlines, we obviously cannot put newlines in a URL without them being URL encoded..
// Therefore.. URL encode..
sbMessage := CkStringBuilder_Create();
CkStringBuilder_Append(sbMessage,messageContent);
CkStringBuilder_Encode(sbMessage,'url','utf-8');

CkHttp_SetUrlVar(http,'msgContent',CkStringBuilder__getAsString(sbMessage));

sbResponseBody := CkStringBuilder_Create();
success := CkHttp_QuickGetSb(http,'https://api.smsapi.com/sms.do?from=sender_name&to=44123456789&message={$msgContent}&format=json',sbResponseBody);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add('Response body:');
Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponseBody));

CkHttp_Dispose(http);
CkStringBuilder_Dispose(sbMessage);
CkStringBuilder_Dispose(sbResponseBody);

end;