Delphi DLL

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 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;
jsonToken: HCkJsonObject;
responseStr: PWideChar;

begin
success := False;

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

http := CkHttp_Create();

// First get our previously obtained OAuth2 access token.
jsonToken := CkJsonObject_Create();
success := CkJsonObject_LoadFile(jsonToken,'qa_data/tokens/mercadolibre.json');
if (success = False) then
  begin
    Memo1.Lines.Add('Failed to load JSON access token.');
    Exit;
  end;

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

responseStr := CkHttp__quickGetStr(http,'https://api.mercadolibre.com/questions/search?seller_id={$SELLER_ID}&api_version=4&access_token={$ACCESS_TOKEN}');
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add(responseStr);

CkHttp_Dispose(http);
CkJsonObject_Dispose(jsonToken);

end;