FedEx-REST - Address Validation

{
  "carrier": "FedEx-REST",
  "action": "AddressValidate",
  "params": {
    "key": "your-key-from-authenticate-request",
    "to_name": "John Doe",
    "to_addr1": "123 Main St",
    "to_state": "CA",
    "to_city": "Beverly Hills",
    "to_code": "90210",
    "test": true
  }
}

<?php
$rs = new RocketShipIt;
$response = $rs->request(
array (
  'carrier' => 'FedEx-REST',
  'action' => 'AddressValidate',
  'params' => 
  array (
    'key' => 'your-key-from-authenticate-request',
    'to_name' => 'John Doe',
    'to_addr1' => '123 Main St',
    'to_state' => 'CA',
    'to_city' => 'Beverly Hills',
    'to_code' => '90210',
    'test' => true,
  ),
)
);

rs.request(
  {'action': 'AddressValidate',
 'carrier': 'FedEx-REST',
 'params': {'key': 'your-key-from-authenticate-request',
            'test': True,
            'to_addr1': '123 Main St',
            'to_city': 'Beverly Hills',
            'to_code': '90210',
            'to_name': 'John Doe',
            'to_state': 'CA'}}

)

rs.request(
  {"carrier"=>"FedEx-REST",
 "action"=>"AddressValidate",
 "params"=>
  {"key"=>"your-key-from-authenticate-request",
   "to_name"=>"John Doe",
   "to_addr1"=>"123 Main St",
   "to_state"=>"CA",
   "to_city"=>"Beverly Hills",
   "to_code"=>"90210",
   "test"=>true}}

)

rocketshipit.request(
  {
  "carrier": "FedEx-REST",
  "action": "AddressValidate",
  "params": {
    "key": "your-key-from-authenticate-request",
    "to_name": "John Doe",
    "to_addr1": "123 Main St",
    "to_state": "CA",
    "to_city": "Beverly Hills",
    "to_code": "90210",
    "test": true
  }
}
)