Hypermedia links that meet the JSON HAL specification. http://tools.ietf.org/html/draft-kelly-json-hal-03

gistfile1.json

{
    "_links": {
        "self": [
            {
                "href": "/orders/10"
            }
        ],
        "warehouse": [
            {
                "href": "/warehouse/10"
            }
        ],
        "invoice": [
            {
                "href": "/invoices/10"
            }
        ],
        "related": [
            {
                "href": "/orders",
                "title": "Orders"
            },
            {
                "href": "/orders/10/cancel",
                "title": "Cancel Order"
            }
        ]
    }
}