Method: messages.requestAppWebView

Parameters:

Name	Type	Required
write_allowed	Bool	Optional
peer	Username, chat ID, Update, Message or InputPeer	Optional
app	InputBotApp	Yes
start_param	string	Optional
theme_params	DataJSON	Optional
platform	string	Yes

Return type: AppWebViewResult

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();

// PHP 8+ syntax, use an array on PHP 7.
$AppWebViewResult = $MadelineProto->messages->requestAppWebView(write_allowed: Bool, peer: InputPeer, app: InputBotApp, start_param: 'string', theme_params: DataJSON, platform: 'string', );