You need to get session key first to before get WiFi client list.
1) Here is the command to get session key.(here is the sample, replace the admin password to your setting)
{
"jsonrpc":"2.0", "id":1, "method":"call", "params":
[
"00000000000000000000000000000000", "session", "login",
{
"username":"admin", "password":"admin01"
}
]
2) then post the following command.(this is the command, but i still no test yet due fail in step 1)
{
"jsonrpc": "2.0", "id": 1, "method": "call", "params":
[
"your session key from step 1", "iwinfo", "assoclist",
{
"device":"wlan0"
}
]
}
}