Siren to Hyper Example

{
  "class": ["order"],
  "properties": {"orderNumber": 42, "itemCount": 3, "status": "pending"},
  "entities": [
    {
      "class": ["items", "collection"],
      "rel": ["http://x.io/rels/order-items"],
      "href": "http://api.x.io/orders/42/items"
    },
    {
      "class": ["info", "customer"],
      "rel": ["http://x.io/rels/customer"],
      "properties": {"customerId": "pj123", "name": "Peter Joseph"},
      "links": [{"rel": ["self"], "href": "http://api.x.io/customers/pj123"}]
    }
  ],
  "actions": [
    {
      "name": "add-item",
      "title": "Add Item",
      "method": "POST",
      "href": "http://api.x.io/orders/42/items",
      "type": "application/x-www-form-urlencoded",
      "fields": [
        {"name": "orderNumber", "type": "hidden", "value": "42"},
        {"name": "productCode", "type": "text"},
        {"name": "quantity", "type": "number"}
      ]
    }
  ],
  "links": [
    {"rel": ["self"], "href": "http://api.x.io/orders/42"},
    {"rel": ["previous"], "href": "http://api.x.io/orders/41"},
    {"rel": ["next"], "href": "http://api.x.io/orders/43"}
  ]
}

{
  "head": {
    "curies": {
        "siren-actions": "https://github.com/kevinswiber/siren?fake-action="
      }
  },
  "h:ref": {
    "self": "http://api.x.io/orders/42",
    "previous": "http://api.x.io/orders/41",
    "next": "http://api.x.io/orders/43"
  },
  "h:link": [
    {
      "rel": ["siren-actions:add-item"],
      "uri": "http://api.x.io/orders/42/items",
      "action": "append",
      "contentType": "application/x-www-form-urlencoded",
      "fields": {
        "orderNumber": {"type": "hidden", "default": "42"},
        "productCode": {},
        "quantity": {"type": "number"}
      }
    }
  ],
  "orderNumber": 42,
  "itemCount": 3,
  "status": "pending",
  "items": [
    {
      "h:type": ["items", "collection"],
      "h:ref": {
        "http://x.io/rels/order-items": "http://api.x.io/orders/42/items"
      }
    },
    {
      "customerId": "pj123",
      "name": "Peter Joseph",
      "h:type": ["info", "customer"],
      "h:ref": {"self": "http://api.x.io/customers/pj123"}
    }
  ]
}