Stamps-REST - Rates UPS Ground

{
  "carrier": "Stamps-REST",
  "action": "getallrates",
  "params": {
    "key": "your-key-from-authenticate-request",
    "test": true,
    "carriers": ["usps", "ups"],
    "packages": [
      {
        "weight": 2.5,
        "length": 6,
        "width": 5,
        "height": 4
      }
    ],
    "ship_code": "94105",
    "to_code": "78701",
    "weight_unit": "LBS"
  }
}

<?php
$rs = new RocketShipIt;
$response = $rs->request(
array (
  'carrier' => 'Stamps-REST',
  'action' => 'getallrates',
  'params' => 
  array (
    'key' => 'your-key-from-authenticate-request',
    'test' => true,
    'carriers' => 
    array (
      0 => 'usps',
      1 => 'ups',
    ),
    'packages' => 
    array (
      0 => 
      array (
        'weight' => 2.5,
        'length' => 6,
        'width' => 5,
        'height' => 4,
      ),
    ),
    'ship_code' => '94105',
    'to_code' => '78701',
    'weight_unit' => 'LBS',
  ),
)
);

rs.request(
  {'action': 'getallrates',
 'carrier': 'Stamps-REST',
 'params': {'carriers': ['usps', 'ups'],
            'key': 'your-key-from-authenticate-request',
            'packages': [{'height': 4, 'length': 6, 'weight': 2.5, 'width': 5}],
            'ship_code': '94105',
            'test': True,
            'to_code': '78701',
            'weight_unit': 'LBS'}}

)

rs.request(
  {"carrier"=>"Stamps-REST",
 "action"=>"getallrates",
 "params"=>
  {"key"=>"your-key-from-authenticate-request",
   "test"=>true,
   "carriers"=>["usps", "ups"],
   "packages"=>[{"weight"=>2.5, "length"=>6, "width"=>5, "height"=>4}],
   "ship_code"=>"94105",
   "to_code"=>"78701",
   "weight_unit"=>"LBS"}}

)

rocketshipit.request(
  {
  "carrier": "Stamps-REST",
  "action": "getallrates",
  "params": {
    "key": "your-key-from-authenticate-request",
    "test": true,
    "carriers": ["usps", "ups"],
    "packages": [
      {
        "weight": 2.5,
        "length": 6,
        "width": 5,
        "height": 4
      }
    ],
    "ship_code": "94105",
    "to_code": "78701",
    "weight_unit": "LBS"
  }
}
)