hello dear brothers and sisters,
please help me in using following api
curl https://rest.coinapi.io/v1/orderbooks/BITSTAMP_SPOT_BTC_USD/history?time_start=2016-01-01T00:00:00 \
--request GET
--header "X-CoinAPI-Key: 73034021-THIS-IS-SAMPLE-KEY"
how to use it please guide
im getting this error