Chilkat Examples

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Delphi ActiveX Web API Examples

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(Delphi ActiveX) CardConnect Inquire

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

Chilkat for Delphi Downloads

Chilkat ActiveX DLL for Delphi

Chilkat non-ActiveX DLL for Delphi

* The examples here use the ActiveX DLL.

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: TChilkatHttp;
success: Integer;
url: WideString;
responseStr: WideString;
jsonResp: TChilkatJsonObject;
amount: WideString;
resptext: WideString;
setlstat: WideString;
capturedate: WideString;
acctid: WideString;
respcode: WideString;
entrymode: WideString;
merchid: WideString;
token: WideString;
authcode: WideString;
respproc: WideString;
authdate: WideString;
bintype: WideString;
profileid: WideString;
lastfour: WideString;
name: WideString;
currency: WideString;
retref: WideString;
respstat: WideString;
account: WideString;

begin
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

http := TChilkatHttp.Create(Self);

http.BasicAuth := 1;
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 = 0) then
  begin
    Memo1.Lines.Add(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.
Memo1.Lines.Add('response status code = ' + IntToStr(http.LastStatus));

jsonResp := TChilkatJsonObject.Create(Self);
jsonResp.Load(responseStr);
jsonResp.EmitCompact := 0;

Memo1.Lines.Add('response JSON:');
Memo1.Lines.Add(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');
end;

 

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