(Delphi DLL) HTTPS MWS List Orders (Amazon Marketplace Web Service)

Send an HTTPS MWS ListOrders request to return a list of orders created or updated during a time frame.

Note: This example requires Chilkat v9.5.0.66 or greater.

Important: The Chilkat v9.5.0.75 release accidentally breaks Amazon MWS (not AWS) authentication. If you need MWS with 9.5.0.75, send email to support@chilkatsoft.com for a hotfix, or revert back to v9.5.0.73, or update to a version after 9.5.0.75.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
req: HCkHttpRequest;
resp: HCkHttpResponse;

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

// Note: This example requires Chilkat v9.5.0.66 or greater.
http := CkHttp_Create();

// Make sure to connect to the correct Amazon MWS Endpoing, otherwise
// you'll get an HTTP 401 response code.
// 
// The possible servers are:
// 
// North America (NA) 	https://mws.amazonservices.com
// Europe (EU) 	https://mws-eu.amazonservices.com
// India (IN) 	https://mws.amazonservices.in
// China (CN) 	https://mws.amazonservices.com.cn
// Japan (JP) 	https://mws.amazonservices.jp 
// 

// Build the HTTP request.
req := CkHttpRequest_Create();

// Add query params
CkHttpRequest_AddParam(req,'Action','ListOrders');
CkHttpRequest_AddParam(req,'CreatedAfter','2016-12-31T23:00:00Z');
CkHttpRequest_AddParam(req,'MarketplaceId.Id.1','MWS_MARKETPLACE_ID');
CkHttpRequest_AddParam(req,'SellerId','MWS_SELLER_ID');
CkHttpRequest_AddParam(req,'AWSAccessKeyId','MWS_ACCESS_KEY_ID');
CkHttpRequest_AddParam(req,'SignatureVersion','2');
CkHttpRequest_AddParam(req,'SignatureMethod','HmacSHA256');
CkHttpRequest_AddParam(req,'Version','2013-09-01');

// Set the HTTP verb and path.
CkHttpRequest_putPath(req,'/Orders/2013-09-01');
CkHttpRequest_putHttpVerb(req,'POST');

// Add the MWS Signature after the verb, path, and all params have been set.
CkHttpRequest_AddMwsSignature(req,'mws.amazonservices.com','MWS_SECRET_ACCESS_KEY_ID');

resp := CkHttp_PostUrlEncoded(http,'https://mws.amazonservices.com/Orders/2013-09-01',req);
if (CkHttp_getLastMethodSuccess(http) <> True) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

if (CkHttpResponse_getStatusCode(resp) <> 200) then
  begin
    Memo1.Lines.Add('Non-success status code: ' + IntToStr(CkHttpResponse_getStatusCode(resp)));
    Memo1.Lines.Add(CkHttpResponse__bodyStr(resp));
    CkHttpResponse_Dispose(resp);
    Exit;
  end;

// Examine the XML returned in the response body.
Memo1.Lines.Add(CkHttpResponse__bodyStr(resp));
Memo1.Lines.Add('----');
Memo1.Lines.Add('Success.');
CkHttpResponse_Dispose(resp);

CkHttp_Dispose(http);
CkHttpRequest_Dispose(req);

end;