USPS - Create Manifest

{
  "carrier": "USPS",
  "action": "createmanifest",
  "params": {
    "username": "YOUR_USERNAME",
    "shipment_ids": ["420941159205590202518101026815"],
    "shipper": "RocketShipIt",
    "ship_addr1": "123 Main St",
    "ship_city": "Whitehall",
    "ship_state": "MT",
    "ship_code": "59759",
    "ship_phone": "1231231234",
    "image_type": "PDF",
    "test": true
  }
}

<?php
$rs = new RocketShipIt;
$response = $rs->request(
array (
  'carrier' => 'USPS',
  'action' => 'createmanifest',
  'params' => 
  array (
    'username' => 'YOUR_USERNAME',
    'shipment_ids' => 
    array (
      0 => '420941159205590202518101026815',
    ),
    'shipper' => 'RocketShipIt',
    'ship_addr1' => '123 Main St',
    'ship_city' => 'Whitehall',
    'ship_state' => 'MT',
    'ship_code' => '59759',
    'ship_phone' => '1231231234',
    'image_type' => 'PDF',
    'test' => true,
  ),
)
);

rs.request(
  {'action': 'createmanifest',
 'carrier': 'USPS',
 'params': {'image_type': 'PDF',
            'ship_addr1': '123 Main St',
            'ship_city': 'Whitehall',
            'ship_code': '59759',
            'ship_phone': '1231231234',
            'ship_state': 'MT',
            'shipment_ids': ['420941159205590202518101026815'],
            'shipper': 'RocketShipIt',
            'test': True,
            'username': 'YOUR_USERNAME'}}

)

rs.request(
  {"carrier"=>"USPS",
 "action"=>"createmanifest",
 "params"=>
  {"username"=>"YOUR_USERNAME",
   "shipment_ids"=>["420941159205590202518101026815"],
   "shipper"=>"RocketShipIt",
   "ship_addr1"=>"123 Main St",
   "ship_city"=>"Whitehall",
   "ship_state"=>"MT",
   "ship_code"=>"59759",
   "ship_phone"=>"1231231234",
   "image_type"=>"PDF",
   "test"=>true}}

)

rocketshipit.request(
  {
  "carrier": "USPS",
  "action": "createmanifest",
  "params": {
    "username": "YOUR_USERNAME",
    "shipment_ids": ["420941159205590202518101026815"],
    "shipper": "RocketShipIt",
    "ship_addr1": "123 Main St",
    "ship_city": "Whitehall",
    "ship_state": "MT",
    "ship_code": "59759",
    "ship_phone": "1231231234",
    "image_type": "PDF",
    "test": true
  }
}
)