(Delphi) HTTPS GET using SSL/TLS

To retrieve a resource using SSL/TLS (i.e. HTTPS), simply use a URL that begins with "https://". (This applies to any Chilkat HTTP method that has a URL argument, such as QuickGetStr, GetHead, QuickDeleteStr, etc.)

Download Chilkat HTTP ActiveX

uses
    Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
    Dialogs, StdCtrls,
    CHILKATHTTPLib_TLB,
    OleCtrls;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: TChilkatHttp;
success: Integer;
html: String;

begin
http := TChilkatHttp.Create(Self);

//  Any string unlocks the component for the 1st 30-days.
success := http.UnlockComponent('Anything for 30-day trial');
if (success <> 1) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

//  Send the HTTP GET and return the content in a string.

html := http.QuickGetStr('https://www.paypal.com/');

Memo1.Lines.Add(html);
end;