Enviar JSON a una API mediante POST

<?php

$url = 'http://url-to-send-data.com'; 

$json_data = '

{

  "data":{

    "type":"Addresses",

    "attributes":{

      "id": 74534234878278221

    }

  }

}';

​

$opts = [

  'http' => [

    'method' => 'POST',

    'header' => "Content-type: application/json\nAuthorization: be6759482c99c2e65f096dfa5e401333200c83ba",

    'content' => $json_data

  ]

];

​

$context = stream_context_create($opts);

$result = file_get_contents($url, false, $context);

​

if(http_response_code() == '200' || http_response_code() == '201') {