Some standard HTTP commands for the Shelly I have found
In case of password protected you will need to put http://user:password@shellyIP first
Shelly 1: Turn on:
http://192.168.xxx.xxx/relay/0?turn=on
Turn off:
http://192.168.xxx.xxx/relay/0?turn=off
Turn on and after ttt-seconds automatically turn off:
(ttt replace with the desired time in seconds!)
http://192.168.xxx.xxx/relay/0?turn=on&timer=ttt
The code can also be sent to an already activated Shelly. This will stay on for ttt seconds and then turn off automatically.
Turn off and after ttt-seconds automatically turn on:
(ttt replace with the desired time in seconds!)
http://192.168.xxx.xxx/relay/0?turn=off&timer=ttt
The code can also be sent to an already switched off Shelly. This will remain switched off for ttt seconds and then automatically switched on.