536074f0194e4cdfd100000c/cartridges",
        "method": "POST",
        "optional_params": [
          {
            "default_value": null,
            "description": "The component to colocate with",
            "name": "colocate_with",
            "type": "string",
            "valid_options": [
              "haproxy-1.4",
              "ruby-1.9",
              "mysql-5.1"
            ]
          },
          {
            "default_value": null,
            "description": "Minimum number of gears to run