Filter can be created using two methods:

PUT on the following URI : /filters
POST on the following URI: /filters?verb=PUT

PUT / POST Content example (formatted):

{
    "Name": "HTTP ERRORS",
    "Description": "HTTP 500 & 504 Ignore",
    "Rules": 
    {
        "Time_Min": 5,
        "Number_Of_Locations": 4,
        "Number_Of_Tasks": 1,
        "Owner_Device": false
    },
    "Items": 
    [
        {
            "Error_Type": "Http",
            "Error_Code_To_Ignore": [500]
        }, 
        {
            "Error_Type": "Http",
            "Error_Code_To_Ignore": [504]
        }
    ]
}

Success response:

{
    "Success": true,
    "Result": 1110
}