Also the GET_ALL_DEVICE_TYPES API does not work at all it returns code 3308 asking for an IP address.
Powershell script-------------------------------------------
$json = @"
{"API_KEY":$API_KEY,"ACTION":"ADD_DEVICE","IPADDRESS":"192.168.1.1","DEVICE_TYPE":"CiscoASA"}
"@
$result = (Invoke-RestMethod -Uri $uri -Method Post -ContentType "application/json" -Body $json).response
$result
----------------------result------------------------
192.168.1.1
------------
3304
-----------------------------------------------------