MadelineProto/old_docs/API_docs_v42/methods/auth_bindTempAuthKey.md

---
title: auth.bindTempAuthKey
description: auth.bindTempAuthKey parameters, return type and example
---
## Method: auth.bindTempAuthKey  
[Back to methods index](index.md)


### Parameters:

| Name     |    Type       | Required |
|----------|---------------|----------|
|perm\_auth\_key\_id|[long](../types/long.md) | Yes|
|nonce|[long](../types/long.md) | Yes|
|expires\_at|[int](../types/int.md) | Yes|
|encrypted\_message|[bytes](../types/bytes.md) | Yes|


### Return type: [Bool](../types/Bool.md)

### Can bots use this method: **YES**


### Errors this method can return:

| Error    | Description   |
|----------|---------------|
|ENCRYPTED_MESSAGE_INVALID|Encrypted message invalid|
|INPUT_REQUEST_TOO_LONG|The request is too big|
|TEMP_AUTH_KEY_EMPTY|No temporary auth key provided|
|Timeout|A timeout occurred while fetching data from the bot|


### Example:


```
$MadelineProto = new \danog\MadelineProto\API();
$MadelineProto->session = 'mySession.madeline';
if (isset($token)) { // Login as a bot
    $MadelineProto->bot_login($token);
}
if (isset($number)) { // Login as a user
    $MadelineProto->phone_login($number);
    $code = readline('Enter the code you received: '); // Or do this in two separate steps in an HTTP API
    $MadelineProto->complete_phone_login($code);
}

$Bool = $MadelineProto->auth->bindTempAuthKey(['perm_auth_key_id' => long, 'nonce' => long, 'expires_at' => int, 'encrypted_message' => 'bytes', ]);
```

Or, if you're using the [PWRTelegram HTTP API](https://pwrtelegram.xyz):

### As a bot:

POST/GET to `https://api.pwrtelegram.xyz/botTOKEN/madeline`

Parameters:

* method - auth.bindTempAuthKey
* params - `{"perm_auth_key_id": long, "nonce": long, "expires_at": int, "encrypted_message": "bytes", }`



### As a user:

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

Parameters:

perm_auth_key_id - Json encoded long

nonce - Json encoded long

expires_at - Json encoded int

encrypted_message - Json encoded bytes




Or, if you're into Lua:

```
Bool = auth.bindTempAuthKey({perm_auth_key_id=long, nonce=long, expires_at=int, encrypted_message='bytes', })
```