Method: payments.changeStarsSubscription

Parameters:

Name	Type	Required
peer	Username, chat ID, Update, Message or InputPeer	Optional
subscription_id	string	Optional
canceled	Bool	Optional

Return type: Bool

Can bots use this method: YES

MadelineProto Example (now async for huge speed and parallelism!):

if (!file_exists('madeline.php')) {
    copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
}
include 'madeline.php';

$MadelineProto = new \danog\MadelineProto\API('session.madeline');
$MadelineProto->start();

$Bool = $MadelineProto->payments->changeStarsSubscription(peer: $InputPeer, subscription_id: 'string', canceled: $Bool, );