Stamps.com - Address Validation

{
  "carrier": "stamps",
  "action": "addressvalidate",
  "params": {
    "username": "YOUR_USERNAME",
    "password": "YOUR_PASSWORD",
    "test": true,
    "to_name": "John Doe",
    "to_addr1": "123 Dont ship st",
    "to_state": "MT",
    "to_city": "Whitehall",
    "to_code": "59759"
  }
}

<?php
$rs = new RocketShipIt;
$response = $rs->request(
array (
  'carrier' => 'stamps',
  'action' => 'addressvalidate',
  'params' => 
  array (
    'username' => 'YOUR_USERNAME',
    'password' => 'YOUR_PASSWORD',
    'test' => true,
    'to_name' => 'John Doe',
    'to_addr1' => '123 Dont ship st',
    'to_state' => 'MT',
    'to_city' => 'Whitehall',
    'to_code' => '59759',
  ),
)
);

rs.request(
  {'action': 'addressvalidate',
 'carrier': 'stamps',
 'params': {'password': 'YOUR_PASSWORD',
            'test': True,
            'to_addr1': '123 Dont ship st',
            'to_city': 'Whitehall',
            'to_code': '59759',
            'to_name': 'John Doe',
            'to_state': 'MT',
            'username': 'YOUR_USERNAME'}}

)

rs.request(
  {"carrier"=>"stamps",
 "action"=>"addressvalidate",
 "params"=>
  {"username"=>"YOUR_USERNAME",
   "password"=>"YOUR_PASSWORD",
   "test"=>true,
   "to_name"=>"John Doe",
   "to_addr1"=>"123 Dont ship st",
   "to_state"=>"MT",
   "to_city"=>"Whitehall",
   "to_code"=>"59759"}}

)

rocketshipit.request(
  {
  "carrier": "stamps",
  "action": "addressvalidate",
  "params": {
    "username": "YOUR_USERNAME",
    "password": "YOUR_PASSWORD",
    "test": true,
    "to_name": "John Doe",
    "to_addr1": "123 Dont ship st",
    "to_state": "MT",
    "to_city": "Whitehall",
    "to_code": "59759"
  }
}
)