gistfile1.txt

{
    "application_id":"YOUR_APP_ID",
    "src":"http://www.iptc.org/std-dev/photometadata/examples/microdataPages/demo.jpg",
    "get_exif" : true,
    "v" : 1.21,
    "functions":[
        {
            "name":"resize_to_fit",
            "params":{
                "width":100
            },
            "save":{
                "image_identifier":"MY_CLIENT_ID",
                "save_metadata" : true
            }
        }
    ]
}