Delphi ActiveX

MercadoLibre - GET Request with Access Token in Query Params

See more MercadoLibre Examples

Demonstrates how to send an HTTPS GET request to MercadoLibre with the access token specified as a query parameter. Delphi ActiveX

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
http: TChilkatHttp;
jsonToken: TChilkatJsonObject;
responseStr: WideString;

begin
success := 0;

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

http := TChilkatHttp.Create(Self);

// First get our previously obtained OAuth2 access token.
jsonToken := TChilkatJsonObject.Create(Self);
success := jsonToken.LoadFile('qa_data/tokens/mercadolibre.json');
if (success = 0) then
  begin
    Memo1.Lines.Add('Failed to load JSON access token.');
    Exit;
  end;

// Use your seller ID.
http.SetUrlVar('SELLER_ID','577815702');
http.SetUrlVar('ACCESS_TOKEN',jsonToken.StringOf('access_token'));

responseStr := http.QuickGetStr('https://api.mercadolibre.com/questions/search?seller_id={$SELLER_ID}&api_version=4&access_token={$ACCESS_TOKEN}');
if (http.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add(responseStr);
end;