(Delphi ActiveX) Adyen Create Payment Session

Creates an Adyen payment session.

Note: This example requires Chilkat v11.0.0 or greater.

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
success: Integer;
http: TChilkatHttp;
json: TChilkatJsonObject;
resp: TChilkatHttpResponse;
sbResponseBody: TChilkatStringBuilder;
jResp: TChilkatJsonObject;
respStatusCode: Integer;
paymentSession: WideString;

begin
success := 0;

http := TChilkatHttp.Create(Self);

// Use this online tool to generate the code from sample JSON:
// Generate Code to Create JSON

// The following JSON is sent in the request body, and is constructed by the code that follows.

// {
//   "merchantAccount": "YourMerchantAccount",
//   "sdkVersion": "1.9.7",
//   "channel": "Web",
//   "amount": {
//     "currency": "EUR",
//     "value": 17408
//   },
//   "reference": "Your order number",
//   "countryCode": "NL",
//   "shopperLocale": "nl_NL",
//   "origin": "https://www.yourshop.com",
//   "returnUrl": "https://www.yourshop.com/checkout/completed"
// }
json := TChilkatJsonObject.Create(Self);
json.UpdateString('merchantAccount','YourMerchantAccount');
json.UpdateString('sdkVersion','1.9.7');
json.UpdateString('channel','Web');
json.UpdateString('amount.currency','EUR');
json.UpdateInt('amount.value',17408);
json.UpdateString('reference','Your order number');
json.UpdateString('countryCode','NL');
json.UpdateString('shopperLocale','nl_NL');
json.UpdateString('origin','https://www.yourshop.com');
json.UpdateString('returnUrl','https://www.yourshop.com/checkout/completed');

http.SetRequestHeader('X-API-Key','YourAPIkey');

resp := TChilkatHttpResponse.Create(Self);
success := http.HttpJson('POST','https://checkout-test.adyen.com/v41/paymentSession',json.ControlInterface,'application/json',resp.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

sbResponseBody := TChilkatStringBuilder.Create(Self);
resp.GetBodySb(sbResponseBody.ControlInterface);

jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);
jResp.EmitCompact := 0;

respStatusCode := resp.StatusCode;
Memo1.Lines.Add('Status Code = ' + IntToStr(respStatusCode));
Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(jResp.Emit());

if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(resp.Header);
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

// Sample JSON response:

// {
//   "paymentSession": "eyJjaGVja291 ... iMS45LjcifQ=="
// }

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

paymentSession := jResp.StringOf('paymentSession');
end;