--- title: "messages.getDocumentByHash" description: "Get a document by its SHA256 hash, mainly used for gifs" grand_parent: "Telegram RPC API" parent: "Methods" image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png redirect_from: /API_docs/methods/messages_getDocumentByHash.html --- # Method: messages.getDocumentByHash [Back to methods index](index.html) Get a document by its SHA256 hash, mainly used for gifs ### Parameters: | Name | Type | Description | Required | |----------|---------------|-------------|----------| |sha256|[bytes](/API_docs/types/bytes.html) | SHA256 of file | Yes| |size|[long](/API_docs/types/long.html) | Size of the file in bytes | Yes| |mime\_type|[string](/API_docs/types/string.html) | Mime type | Optional| ### Return type: [Document](/API_docs/types/Document.html) ### Can bots use this method: **YES** ### MadelineProto Example ([now async for huge speed and parallelism!](https://docs.madelineproto.xyz/docs/ASYNC.html)): ```php 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(); $Document = $MadelineProto->messages->getDocumentByHash(sha256: 'bytes', size: $long, mime_type: 'string', ); ```