# Method: messages.checkChatInvite

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Check the validity of a chat invite link and get basic info about it

# Parameters:

Name Type Description Required
hash string Invite hash in t.me/joinchat/hash Yes

# Return type: ChatInvite

# 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');
include 'madeline.php';

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

$ChatInvite = $MadelineProto->messages->checkChatInvite(['hash' => 'string', ]);

Or, if you’re into Lua:

ChatInvite = messages.checkChatInvite({hash='string', })

# Errors

Code Type Description
400 INVITE_HASH_EMPTY The invite hash is empty
400 INVITE_HASH_EXPIRED The invite link has expired
400 INVITE_HASH_INVALID The invite hash is invalid
406 AUTH_KEY_DUPLICATED An auth key with the same ID was already generated
401 SESSION_PASSWORD_NEEDED 2FA is enabled, use a password to login
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