Zipline / Alpaca Could not injest the data

Hello Alpaca community,

i am new to python and algorithemic trading.
i am trying to setup environment with zipline module with Alpaca API and i am getting the following error.
could you plese suggest some solution!!

HTTPError: 403 Client Error: Forbidden for url: https://data.alpaca.markets/v1/bars/day?symbols=AAPL%2CGOOG%2CTSLA&limit=1000&end=2021-05-28T00%3A00%3A00%2B00%3A00

Thanks in advance

Meteor.