MadelineProtoDocs/old_docs/API_docs_v42/methods/contacts.resolveUsername.md

title	description	image
contacts.resolveUsername	You cannot use this method directly, use the resolveUsername, getPwrChat, getInfo, getFullInfo methods instead (see https://docs.madelineproto.xyz for more info)	https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png

Method: contacts.resolveUsername

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You cannot use this method directly, use the resolveUsername, getPwrChat, getInfo, getFullInfo methods instead (see https://docs.madelineproto.xyz for more info)

Parameters:

Name	Type	Description	Required
username	string	You cannot use this method directly, use the resolveUsername, getPwrChat, getInfo, getFullInfo methods instead (see https://docs.madelineproto.xyz for more info)	Yes

Return type: contacts_ResolvedPeer

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();

$contacts_ResolvedPeer = $MadelineProto->contacts->resolveUsername(['username' => 'string', ]);

Or, if you're into Lua:

contacts_ResolvedPeer = contacts.resolveUsername({username='string', })

Errors

Code	Type	Description
400	USERNAME_INVALID	The provided username is not valid
400	USERNAME_NOT_OCCUPIED	The provided username is not occupied
406	AUTH_KEY_DUPLICATED	An auth key with the same ID was already generated
401	AUTH_KEY_PERM_EMPTY	The temporary auth key must be binded to the permanent auth key to use these methods.
401	SESSION_PASSWORD_NEEDED	2FA is enabled, use a password to login