Sample code for 30+ languages & platforms
Delphi DLL

NetSuite OAuth1

See more OAuth1 Examples

Demonstrates adding OAUth1 authentication to a NetSuite REST API request.

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, HttpResponse, Http;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
resp: HCkHttpResponse;

begin
success := False;

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

http := CkHttp_Create();

CkHttp_putOAuth1(http,True);
CkHttp_putOAuthConsumerKey(http,'CONSUMER_KEY');
CkHttp_putOAuthConsumerSecret(http,'CONSUMER_SECRET');
CkHttp_putOAuthToken(http,'ACCESS_TOKEN');
CkHttp_putOAuthTokenSecret(http,'TOKEN_SECRET');
CkHttp_putOAuthRealm(http,'ACCOUNT_ID');
CkHttp_putOAuthSigMethod(http,'HMAC-SHA256');

// Not sure if this is needed for NetSuite requests.
CkHttp_SetRequestHeader(http,'Cookie','NS_ROUTING_VERSION=LAGGING');

// Replace ACCOUNT_ID with your actual account id, which is likely a 7-digit decimal number.
resp := CkHttpResponse_Create();
success := CkHttp_HttpNoBody(http,'GET','https://ACCOUNT_ID.suitetalk.api.netsuite.com/services/rest/record/v1/salesOrder',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add('Response Status Code: ' + IntToStr(CkHttpResponse_getStatusCode(resp)));
Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkHttpResponse__bodyStr(resp));

CkHttp_Dispose(http);
CkHttpResponse_Dispose(resp);

end;