Update Nameservers of a domain

endpoint ="https://my.nabtech.co/modules/addons/DomainsReseller/api/index.php";
$action = "/domains/example.com/nameservers";
$params [
    "domain"    => "example.com",
     "nameservers" => [
          "ns5.nabtechonlineng.net",
          "ns6.nabtechonlineng.net",
  ],

];

$headers = [

    "username: [email protected]",

    "token: ". base64_encode(hash_hmac("sha256", "1234567890QWERTYUIOPASDFGHJKLZXCVBNM", "[email protected]:".gmdate("y-m-d H")))

];

$curl = curl_init();

curl_setopt($curl, CURLOPT_URL, "{$endpoint}{$action}");

curl_setopt($curl, CURLOPT_POST, true);

curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($params));

curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);

curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);

curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);

$response = curl_exec($curl);

curl_close($curl);