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Delphi DLL

HTTPS GET Request with Authorization Bearer Header

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Demonstrates how to send an HTTPS GET request with an "Authorization: Bearer " header and get the text response (which could be JSON).

Chilkat Delphi DLL Downloads

Delphi DLL
uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, JsonObject, Http;

...

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

begin
success := False;

// 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 added to each request.
// Set AuthToken equal to your token without the keyword "Bearer".
CkHttp_putAuthToken(http,'Your access token');

// Send the GET request and get the response text (assuming you know beforehand that the response will be text, such as JSON, XML, HTML, etc.)
responseText := CkHttp__quickGetStr(http,'https://www.example.com/something');
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    // This means something failed where you did not get an HTTP response.
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

// If you get here, then you received an HTTP response where you can check the response status code, and the responseText will contain
// the response body.
Memo1.Lines.Add('Response status code = ' + IntToStr(CkHttp_getLastStatus(http)));
if (CkHttp_getLastStatus(http) <> 200) then
  begin
    // Probably an error from the server.  Examine the HTTP response body.
    Memo1.Lines.Add(responseText);
    Exit;
  end;

// If you get here, the response status code was the expected value indicating success,
// if you know the response is JSON, you can load it into a Chilkat JSON object and continue ...
json := CkJsonObject_Create();
CkJsonObject_putEmitCompact(json,True);
CkJsonObject_Load(json,responseText);
Memo1.Lines.Add(CkJsonObject__emit(json));

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

// ...
// ...

CkHttp_Dispose(http);
CkJsonObject_Dispose(json);

end;