Delphi DLL

SimpleTexting - Check Remaining Credits

See more SimpleTexting Examples

Retrieve your remaining credit balance for the current billing cycle. Delphi DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
code: Integer;
message: PWideChar;
messagesCount: Integer;

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:

// curl --request GET \
//   --url 'https://app2.simpletexting.com/v1/messaging/check?token=YOUR_API_TOKEN' \
//   --header 'accept: application/json'

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

CkHttp_SetRequestHeader(http,'accept','application/json');

sbResponseBody := CkStringBuilder_Create();
success := CkHttp_QuickGetSb(http,'https://app2.simpletexting.com/v1/messaging/check?token=YOUR_API_TOKEN',sbResponseBody);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

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

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

respStatusCode := CkHttp_getLastStatus(http);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkHttp__lastHeader(http));
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

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

// {
//   "code": 1,
//   "message": "The request succeeded",
//   "messagesCount": 2989
// }

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

code := CkJsonObject_IntOf(jResp,'code');
message := CkJsonObject__stringOf(jResp,'message');
messagesCount := CkJsonObject_IntOf(jResp,'messagesCount');

CkHttp_Dispose(http);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

end;