Method: messages.reportSponsoredMessage

Parameters:

Name	Type	Required
peer	Username, chat ID, Update, Message or InputPeer	Optional
option	bytes	Yes

Return type: channels.SponsoredMessageReportResult

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();

$channels_SponsoredMessageReportResult = $MadelineProto->messages->reportSponsoredMessage(peer: $InputPeer, option: 'bytes', );