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MadelineProto/old_docs/API_docs_v55/methods/channels_checkUsername.md

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channels.checkUsername Check if this username is free and can be assigned to a channel/supergroup

Method: channels.checkUsername

Back to methods index

Check if this username is free and can be assigned to a channel/supergroup

Parameters:

Name Type Required Description
channel Username, chat ID, Update, Message or InputChannel Optional The channel/supergroup
username CLICK ME string Yes The new username for this channel/supergroup

Return type: Bool

Can bots use this method: NO

Errors this method can return:

Error Description
CHANNEL_INVALID The provided channel is invalid
CHAT_ID_INVALID The provided chat id is invalid
USERNAME_INVALID The provided username is not valid

MadelineProto Example:

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

// !!! This API id/API hash combination will not work !!!
// !!! You must get your own @ my.telegram.org !!!
$api_id = 0;
$api_hash = '';

$MadelineProto = new \danog\MadelineProto\API('session.madeline', ['app_info' => ['api_id' => $api_id, 'api_hash' => $api_hash]]);
$MadelineProto->start();

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

PWRTelegram HTTP API example (NOT FOR MadelineProto):

As a user:

POST/GET to https://api.pwrtelegram.xyz/userTOKEN/channels.checkUsername

Parameters:

channel - Json encoded InputChannel

username - Json encoded string

Or, if you're into Lua:

Bool = channels.checkUsername({channel=InputChannel, username='string', })