FedEx - Rate Future Date

{
  "carrier": "FedEx",
  "action": "GetAllRates",
  "params": {
    "packages": [
      {
        "weight": 2,
        "insured_value": 200
      }
    ],
    "ship_date": "2042-09-15T08:00:00-00:00",
    "customs": [],
    "shipper": "RocketShipIt",
    "ship_addr1": "123 Main St",
    "ship_city": "Whitehall",
    "ship_state": "MT",
    "ship_code": "59759",
    "ship_country": "US",
    "to_country": "US",
    "to_state": "CA",
    "to_code": "90210",
    "weight_unit": "LB",
    "length_unit": "IN",
    "packaging_type": "YOUR_PACKAGING",
    "dropoff_type": "REGULAR_PICKUP",
    "test": true
  }
}

<?php
$rs = new RocketShipIt;
$response = $rs->request(
array (
  'carrier' => 'FedEx',
  'action' => 'GetAllRates',
  'params' => 
  array (
    'packages' => 
    array (
      0 => 
      array (
        'weight' => 2,
        'insured_value' => 200,
      ),
    ),
    'ship_date' => '2042-09-15T08:00:00-00:00',
    'customs' => 
    array (
    ),
    'shipper' => 'RocketShipIt',
    'ship_addr1' => '123 Main St',
    'ship_city' => 'Whitehall',
    'ship_state' => 'MT',
    'ship_code' => '59759',
    'ship_country' => 'US',
    'to_country' => 'US',
    'to_state' => 'CA',
    'to_code' => '90210',
    'weight_unit' => 'LB',
    'length_unit' => 'IN',
    'packaging_type' => 'YOUR_PACKAGING',
    'dropoff_type' => 'REGULAR_PICKUP',
    'test' => true,
  ),
)
);

rs.request(
  {'action': 'GetAllRates',
 'carrier': 'FedEx',
 'params': {'customs': [],
            'dropoff_type': 'REGULAR_PICKUP',
            'length_unit': 'IN',
            'packages': [{'insured_value': 200, 'weight': 2}],
            'packaging_type': 'YOUR_PACKAGING',
            'ship_addr1': '123 Main St',
            'ship_city': 'Whitehall',
            'ship_code': '59759',
            'ship_country': 'US',
            'ship_date': '2042-09-15T08:00:00-00:00',
            'ship_state': 'MT',
            'shipper': 'RocketShipIt',
            'test': True,
            'to_code': '90210',
            'to_country': 'US',
            'to_state': 'CA',
            'weight_unit': 'LB'}}

)

rs.request(
  {"carrier"=>"FedEx",
 "action"=>"GetAllRates",
 "params"=>
  {"packages"=>[{"weight"=>2, "insured_value"=>200}],
   "ship_date"=>"2042-09-15T08:00:00-00:00",
   "customs"=>[],
   "shipper"=>"RocketShipIt",
   "ship_addr1"=>"123 Main St",
   "ship_city"=>"Whitehall",
   "ship_state"=>"MT",
   "ship_code"=>"59759",
   "ship_country"=>"US",
   "to_country"=>"US",
   "to_state"=>"CA",
   "to_code"=>"90210",
   "weight_unit"=>"LB",
   "length_unit"=>"IN",
   "packaging_type"=>"YOUR_PACKAGING",
   "dropoff_type"=>"REGULAR_PICKUP",
   "test"=>true}}

)

rocketshipit.request(
  {
  "carrier": "FedEx",
  "action": "GetAllRates",
  "params": {
    "packages": [
      {
        "weight": 2,
        "insured_value": 200
      }
    ],
    "ship_date": "2042-09-15T08:00:00-00:00",
    "customs": [],
    "shipper": "RocketShipIt",
    "ship_addr1": "123 Main St",
    "ship_city": "Whitehall",
    "ship_state": "MT",
    "ship_code": "59759",
    "ship_country": "US",
    "to_country": "US",
    "to_state": "CA",
    "to_code": "90210",
    "weight_unit": "LB",
    "length_unit": "IN",
    "packaging_type": "YOUR_PACKAGING",
    "dropoff_type": "REGULAR_PICKUP",
    "test": true
  }
}
)