Pascal (Lazarus/Delphi)

CardConnect Validate Merchant-Level Credentials

To test and validate merchant-level credentials, you can make a PUT request, including the merchant ID in the body of the request, to the base URL. The Gateway verifies that the MID matches the credentials provided in the header.

Chilkat Pascal (Lazarus/Delphi) Downloads

Download Chilkat for Pascal (Lazarus/Delphi)

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;
  json: TJsonObject;
  url: string;
  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;

  http.BasicAuth := True;
  http.Login := 'API_USERNAME';
  http.Password := 'API_PASSWORD';

  json := TJsonObject.Create;
  success := json.UpdateString('merchid','MERCHANT_ID');

  url := 'https://<site>.cardconnect.com:<port>/cardconnect/rest/';

  resp := THttpResponse.Create;
  success := http.HttpStr('PUT',url,json.Emit(),'utf-8','application/json',resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  //  If we get a 200 response status and an HTML response saying "CardConnect REST Servlet", then our credentials are correct.
  WriteLn('response status code = ' + resp.StatusCode);

  WriteLn('response string:');
  WriteLn(resp.BodyStr);

  //  Sample output:

  //  response status code = 200
  //  response string:
  //  <html lang="en"><body><h1>CardConnect REST Servlet</h1></body></html>


  http.Free;
  json.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.