website not working today? 'http://public.fyers.in/sym_details/NSE

Is this website not working today?'http://public.fyers.in/sym_details/NSE_FO.csv'

fno_url = 'http://public.fyers.in/sym_details/NSE_FO.csv'
fno_symbolList = pd.read_csv(fno_url, header= None)

Getting error "HTTPError: HTTP Error 403: Forbidden"

website not working today? 'http://public.fyers.in/sym_details/NSE_FO.csv'