Pascal (Lazarus/Delphi)

CardConnect Inquire

See more CardConnect Examples

Demonstrates how to get information for an individual transaction, including its settlement status (setlstat) and the response codes from the initial authorization.

See https://developer.cardconnect.com/cardconnect-api?lang=json#inquire

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.JsonObject,
  Chilkat.Http;

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

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  url: string;
  responseStr: string;
  jsonResp: TJsonObject;
  amount: string;
  resptext: string;
  setlstat: string;
  capturedate: string;
  acctid: string;
  respcode: string;
  entrymode: string;
  merchid: string;
  token: string;
  authcode: string;
  respproc: string;
  authdate: string;
  bintype: string;
  profileid: string;
  lastfour: string;
  name: string;
  currency: string;
  retref: string;
  respstat: string;
  account: string;

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';

  url := 'https://<site>.cardconnect.com:<port>/cardconnect/rest/inquire/<retref>/<merchid>';
  responseStr := http.QuickGetStr(url);
  if (http.LastMethodSuccess = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  //  A response status of 200 indicates potential success.  The JSON response body
  //  must be examined to determine if it was truly successful or an error.
  WriteLn('response status code = ' + http.LastStatus);

  jsonResp := TJsonObject.Create;
  jsonResp.Load(responseStr);
  jsonResp.EmitCompact := False;

  WriteLn('response JSON:');
  WriteLn(jsonResp.Emit());

  //  A successful response looks like this:

  //  {
  //    "amount": "0.00",
  //    "resptext": "Approval",
  //    "setlstat": "Voided",
  //    "capturedate": "20190422180044",
  //    "acctid": "1",
  //    "respcode": "00",
  //    "entrymode": "ECommerce",
  //    "merchid": "MERCHANT_ID",
  //    "token": "9418594164541111",
  //    "authcode": "PPS158",
  //    "respproc": "FNOR",
  //    "authdate": "20190422",
  //    "bintype": "",
  //    "profileid": "16618402968441604028",
  //    "lastfour": "1111",
  //    "name": "TOM JONES",
  //    "currency": "USD",
  //    "retref": "112989260941",
  //    "respstat": "A",
  //    "account": "9418594164541111"
  //  }

  //  Use this online tool to generate parsing code from sample JSON: 
  //  Generate Parsing Code from JSON

  amount := jsonResp.StringOf('amount');
  resptext := jsonResp.StringOf('resptext');
  setlstat := jsonResp.StringOf('setlstat');
  capturedate := jsonResp.StringOf('capturedate');
  acctid := jsonResp.StringOf('acctid');
  respcode := jsonResp.StringOf('respcode');
  entrymode := jsonResp.StringOf('entrymode');
  merchid := jsonResp.StringOf('merchid');
  token := jsonResp.StringOf('token');
  authcode := jsonResp.StringOf('authcode');
  respproc := jsonResp.StringOf('respproc');
  authdate := jsonResp.StringOf('authdate');
  bintype := jsonResp.StringOf('bintype');
  profileid := jsonResp.StringOf('profileid');
  lastfour := jsonResp.StringOf('lastfour');
  name := jsonResp.StringOf('name');
  currency := jsonResp.StringOf('currency');
  retref := jsonResp.StringOf('retref');
  respstat := jsonResp.StringOf('respstat');
  account := jsonResp.StringOf('account');


  http.Free;
  jsonResp.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.