MadelineProtoDocs/old_docs/API_docs_v41/methods/auth_checkPhone.md

title	description
auth.checkPhone	Check if this phone number is registered on telegram

Method: auth.checkPhone

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Check if this phone number is registered on telegram

Parameters:

Name	Type	Required	Description
phone_number	string	Yes	The phone number to check

Return type: auth_CheckedPhone

Can bots use this method: NO

MadelineProto Example:

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();

$auth_CheckedPhone = $MadelineProto->auth->checkPhone(['phone_number' => 'string', ]);

PWRTelegram HTTP API example (NOT FOR MadelineProto):

As a user:

POST/GET to https://api.pwrtelegram.xyz/userTOKEN/auth.checkPhone

Parameters:

phone_number - Json encoded string

Or, if you're into Lua:

auth_CheckedPhone = auth.checkPhone({phone_number='string', })

Errors this method can return:

Error	Description
PHONE_NUMBER_BANNED	The provided phone number is banned from telegram
PHONE_NUMBER_INVALID	The phone number is invalid
PHONE_NUMBER_INVALID	The phone number is invalid