<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://forge.laravel.com/api/orgs/{organization}/servers/{server}/sites/{site}/deploy-key",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

{
  "data": {
    "id": "<string>",
    "links": {
      "self": {
        "href": "<string>",
        "rel": "<string>",
        "describedby": "<string>",
        "title": "<string>",
        "type": "<string>",
        "hreflang": "<string>",
        "meta": {}
      }
    },
    "attributes": {
      "key": "<string>"
    }
  }
}