MadelineProtoDocs/old_docs/API_docs_v89/methods/account_checkUsername.md

title	description	image
account.checkUsername	Check if this username is available	https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png

Method: account.checkUsername

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Check if this username is available

Parameters:

Name	Type	Description	Required
username	string	The username to check	Yes

Return type: Bool

Can bots use this method: NO

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

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

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

$Bool = $MadelineProto->account->checkUsername(['username' => 'string', ]);

Or, if you're into Lua:

Bool = account.checkUsername({username='string', })

Errors this method can return:

Error	Description
USERNAME_INVALID	The provided username is not valid