test-scripts/usage.html

{
    "status": "OK", 
    "restricted": false, 
    "version": 1, 
    "plans": [
        {
            "planName": "All-You-Can-Eat Day Pass", 
            "lastUpdate": "2010-12-21T21:03:24Z", 
            "planType": "UNLIMITED", 
            "usedBytes": 204200000, 
            "startTime": "2010-12-21T13:03:24Z", 
            "expirationTime": "2010-12-22T13:03:24Z"
        }, 
        {
            "planName": "Super-Awesome Chrome OS Promo Plan", 
            "lastUpdate": "2010-12-21T21:03:24Z", 
            "maxBytes": 102400000, 
            "planType": "METERED_FREE", 
            "usedBytes": 51200000, 
            "startTime": "2010-11-22T13:03:24Z", 
            "expirationTime": "2010-12-22T13:03:24Z"
        }
    ]
}