Access Single article - Joomla 4 API

accessinglearticle.php

<?php
// Enter the path of your Joomla site.
$baseurl = 'http://localhost/j4a12';
// Joomla Super Admin Credentials
$user = 'admin';
$pass = 'admin';
// ID of the article you want to access
$articleid =  6;
// No Edits below this line needed.
$curl = curl_init();
curl_setopt_array($curl, array(
CURLOPT_URL => $baseurl."/api/index.php/v1/content/article/".$articleid,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => array(
	"Accept: */*",
	"Accept-Encoding: gzip, deflate",
	"Authorization: Basic ".base64_encode($user.':'.$pass),
	"Cache-Control: no-cache",
	"Connection: keep-alive",
	"Content-Type: application/json",
	"cache-control: no-cache"
),
));

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

curl_close($curl);

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