58 lines
1.6 KiB
Markdown
58 lines
1.6 KiB
Markdown
---
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title: messages.checkChatInvite
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description: Check the validity of a chat invite link and get basic info about it
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image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
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redirect_from: /API_docs/methods/messages_checkChatInvite.html
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---
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# Method: messages.checkChatInvite
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[Back to methods index](index.md)
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Check the validity of a chat invite link and get basic info about it
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### Parameters:
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| Name | Type | Description | Required |
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|----------|---------------|-------------|----------|
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|hash|[string](../types/string.md) | Invite hash in `t.me/joinchat/hash` | Yes|
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### Return type: [ChatInvite](../types/ChatInvite.md)
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### Can bots use this method: **NO**
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### MadelineProto Example ([now async for huge speed and parallelism!](https://docs.madelineproto.xyz/docs/ASYNC.html)):
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```php
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if (!file_exists('madeline.php')) {
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copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
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}
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include 'madeline.php';
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$MadelineProto = new \danog\MadelineProto\API('session.madeline');
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$MadelineProto->start();
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$ChatInvite = $MadelineProto->messages->checkChatInvite(['hash' => 'string', ]);
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```
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Or, if you're into Lua:
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```lua
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ChatInvite = messages.checkChatInvite({hash='string', })
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```
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### Errors
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| Code | Type | Description |
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|------|----------|---------------|
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|400|INVITE_HASH_EMPTY|The invite hash is empty|
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|400|INVITE_HASH_EXPIRED|The invite link has expired|
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|400|INVITE_HASH_INVALID|The invite hash is invalid|
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|406|AUTH_KEY_DUPLICATED|An auth key with the same ID was already generated|
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|401|SESSION_PASSWORD_NEEDED|2FA is enabled, use a password to login|
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