...
ACCESS_TOKEN=$(curl -s -f -X POST -u $CLIENT_ID:$CLIENT_SECRET -d "grant_type=password&username=$USERNAME&password=$PASSWORD&scope=openid email userInfo roles" $opuscapitaHost/auth/token | jq --raw-output ".access_token")echo $ACCESS_TOKEN
Calling Endpoint
having ACCESS_TOKEN you need to form and send Bearer Authentication header with each of you target api request
AUTH_HEADER="Authorization: Bearer $ACCESS_TOKEN"echo $AUTH_HEADER
...
body='{"filter": {}}'
curl -X POST -H "$AUTH_HEADER" -H "content-type:application/json" -d "$body" "$opuscapitaHost/track/api/transactions"
...