Estes - Cancel Pickup

{
  "carrier": "Estes",
  "action": "cancelpickup",
  "params": {
    "key": "YOUR_ESTES_API_KEY",
    "username": "YOUR_MYESTES_USERNAME",
    "password": "YOUR_MYESTES_PASSWORD",
    "test": true,
    "pickup_id": "66263321",
    "special_instructions": "Freight not ready"
  }
}

<?php
$rs = new RocketShipIt;
$response = $rs->request(
array (
  'carrier' => 'Estes',
  'action' => 'cancelpickup',
  'params' => 
  array (
    'key' => 'YOUR_ESTES_API_KEY',
    'username' => 'YOUR_MYESTES_USERNAME',
    'password' => 'YOUR_MYESTES_PASSWORD',
    'test' => true,
    'pickup_id' => '66263321',
    'special_instructions' => 'Freight not ready',
  ),
)
);

rs.request(
  {'action': 'cancelpickup',
 'carrier': 'Estes',
 'params': {'key': 'YOUR_ESTES_API_KEY',
            'password': 'YOUR_MYESTES_PASSWORD',
            'pickup_id': '66263321',
            'special_instructions': 'Freight not ready',
            'test': True,
            'username': 'YOUR_MYESTES_USERNAME'}}

)

rs.request(
  {"carrier"=>"Estes",
 "action"=>"cancelpickup",
 "params"=>
  {"key"=>"YOUR_ESTES_API_KEY",
   "username"=>"YOUR_MYESTES_USERNAME",
   "password"=>"YOUR_MYESTES_PASSWORD",
   "test"=>true,
   "pickup_id"=>"66263321",
   "special_instructions"=>"Freight not ready"}}

)

rocketshipit.request(
  {
  "carrier": "Estes",
  "action": "cancelpickup",
  "params": {
    "key": "YOUR_ESTES_API_KEY",
    "username": "YOUR_MYESTES_USERNAME",
    "password": "YOUR_MYESTES_PASSWORD",
    "test": true,
    "pickup_id": "66263321",
    "special_instructions": "Freight not ready"
  }
}
)