Using rest_command to stop , start, restart nodred

Trying to use a REST call to stop, start , restart node red.

curl -X POST -H “x-ha-access: MYPASSWORD” -H “Content-Type: application/json” https://xxxxx.duckdns.org:8123/addons/f16403dc_node-red/stop

This get a 404 NOT FOUND error

Any idea what he proper syntax is ’