(Delphi DLL) Send HTTPS POST with XML Body

Demonstrates how to send an HTTP (or HTTPS) POST where the body of the request is XML.

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, HttpResponse, Http;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
strXml: PWideChar;
resp: HCkHttpResponse;

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

http := CkHttp_Create();

strXml := '<TransactionSetup xmlns="https://xyz.com"><Credentials><AccountID>XXX</AccountID></Credentials></TransactionSetup>';

//  Choose a content-type.  Typical content types for XML POSTs are "application/xml" or "text/xml".
CkHttp_SetRequestHeader(http,'Content-Type','text/xml');

//  Maybe you need other headers?
CkHttp_SetRequestHeader(http,'Accept','text/xml');

resp := CkHttp_PostXml(http,'https://www.somewebsite.com/',strXml,'utf-8');
if (CkHttp_getLastMethodSuccess(http) <> True) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

//  Examine the response status code:
Memo1.Lines.Add('response status code = ' + IntToStr(CkHttpResponse_getStatusCode(resp)));

//  Examine the response body:
Memo1.Lines.Add('response body: ' + CkHttpResponse__bodyStr(resp));

CkHttpResponse_Dispose(resp);

CkHttp_Dispose(http);

end;