(Delphi DLL) HTTP GET with Custom Header and OAuth2 Bearer Token

See more HTTP Examples

Demonstrate how to send a GET request with customer headers and an "Authorization: Bearer " header.

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, StringBuilder, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
url: PWideChar;
sb: HCkStringBuilder;
json: HCkJsonObject;

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

http := CkHttp_Create();

// Setting the AuthToken property causes the "Authorization: Bearer <token>" header to be adeded.
CkHttp_putAuthToken(http,'Just_the_access_token_here');

// Add one or more custom headers..
CkHttp_SetRequestHeader(http,'X-Tenant-ID','value goes here');
CkHttp_SetRequestHeader(http,'blah-blah-blah','value goes here');

url := 'https://www.example.com/abc/123?x=something&y=someOtherThing';

// Send the GET request and get the response body in the StringBuilder object.
sb := CkStringBuilder_Create();
success := CkHttp_QuickGetSb(http,url,sb);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add('response status code: ' + IntToStr(CkHttp_getLastStatus(http)));
Memo1.Lines.Add('response body:');
Memo1.Lines.Add(CkStringBuilder__getAsString(sb));

// If the response contains JSON, you can load it into a Chilkat JSON object...
json := CkJsonObject_Create();
CkJsonObject_LoadSb(json,sb);
CkJsonObject_putEmitCompact(json,False);
Memo1.Lines.Add(CkJsonObject__emit(json));

CkHttp_Dispose(http);
CkStringBuilder_Dispose(sb);
CkJsonObject_Dispose(json);

end;