HTTP API is a simple method for passing parameters as a part of a URL address. It can be tested in the address bar in any web browser.
Command format
http://ip:port/set.cmd?user=account+pass=password+cmd=command
example
http://admin:12345678@192.168.1.10 /set.cmd?cmd=setpower+ p61=1+p62=1+p63=1+p64=0
p61=1，p62=1，p63=1，p64=0

ip:port your device ip address and port number
account your device account, default admin
password your device password, default 12345678

Command List

Firmware version:getversion
Version:V5.18 2020/11/24

Products MAC:getmac
MAC:009258000012

Read Power status:getpower
p61=0,p62=0,p63=0,p64=0

Set Power: setpower+p6x=?
x = 1 or 2 or 3 or 4
? means on or off : 1 = on , 0 = off

Power Delay: setpower+p6x=?+p6xn=?+t6x=s
x means output number : 1 or 2 or 3 or 4
? means on or off : 1 = on , 0 = off
p6xn means 2nd action of output x
t6x=s means delay s seconds between the 2 actions ( s range = 1 - 9999 seconds)