MadelineProtoDocs/old_docs/API_docs_v18/methods/channels.joinChannel.md

title	description	image	redirect_from
channels.joinChannel	Join a channel/supergroup	https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png	/API_docs/methods/channels_joinChannel.html

Method: channels.joinChannel

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Join a channel/supergroup

Parameters:

Name	Type	Description	Required
channel	Username, chat ID, Update, Message or InputChannel	Channel/supergroup to join	Optional

Return type: Updates

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');
$MadelineProto->start();

$Updates = $MadelineProto->channels->joinChannel(['channel' => InputChannel, ]);

Or, if you're into Lua:

Updates = channels.joinChannel({channel=InputChannel, })

Errors

Code	Type	Description
400	CHANNEL_INVALID	The provided channel is invalid
400	CHANNEL_PRIVATE	You haven't joined this channel/supergroup
400	CHANNELS_TOO_MUCH	You have joined too many channels/supergroups
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
400	MSG_ID_INVALID	Invalid message ID provided
400	PEER_ID_INVALID	The provided peer id is invalid
400	USER_ALREADY_PARTICIPANT	The user is already in the group
400	USER_CHANNELS_TOO_MUCH	One of the users you tried to add is already in too many channels/supergroups
400	USERS_TOO_MUCH	The maximum number of users has been exceeded (to create a chat, for example)
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
-503	Timeout	Timeout while fetching data