Lazarus Pascal

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

Lazarus Pascal

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.