Title: WP_REST_Server::get_max_batch_size
Published: December 9, 2020
Last modified: February 24, 2026

---

# WP_REST_Server::get_max_batch_size(): int

## In this article

 * [Return](https://developer.wordpress.org/reference/classes/wp_rest_server/get_max_batch_size/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wp_rest_server/get_max_batch_size/?output_format=md#source)
 * [Hooks](https://developer.wordpress.org/reference/classes/wp_rest_server/get_max_batch_size/?output_format=md#hooks)
 * [Related](https://developer.wordpress.org/reference/classes/wp_rest_server/get_max_batch_size/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_rest_server/get_max_batch_size/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/classes/wp_rest_server/get_max_batch_size/?output_format=md#wp--skip-link--target)

Gets the maximum number of requests that can be included in a batch.

## 󠀁[Return](https://developer.wordpress.org/reference/classes/wp_rest_server/get_max_batch_size/?output_format=md#return)󠁿

 int The maximum requests.

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wp_rest_server/get_max_batch_size/?output_format=md#source)󠁿

    ```php
    protected function get_max_batch_size() {
    	/**
    	 * Filters the maximum number of REST API requests that can be included in a batch.
    	 *
    	 * @since 5.6.0
    	 *
    	 * @param int $max_size The maximum size.
    	 */
    	return apply_filters( 'rest_get_max_batch_size', 25 );
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/rest-api/class-wp-rest-server.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/rest-api/class-wp-rest-server.php#L1695)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rest-api/class-wp-rest-server.php#L1695-L1704)

## 󠀁[Hooks](https://developer.wordpress.org/reference/classes/wp_rest_server/get_max_batch_size/?output_format=md#hooks)󠁿

 [apply_filters( ‘rest_get_max_batch_size’, int $max_size )](https://developer.wordpress.org/reference/hooks/rest_get_max_batch_size/)

Filters the maximum number of REST API requests that can be included in a batch.

## 󠀁[Related](https://developer.wordpress.org/reference/classes/wp_rest_server/get_max_batch_size/?output_format=md#related)󠁿

| Uses | Description | 
| [apply_filters()](https://developer.wordpress.org/reference/functions/apply_filters/)`wp-includes/plugin.php` |

Calls the callback functions that have been added to a filter hook.

  |

| Used by | Description | 
| [WP_REST_Server::__construct()](https://developer.wordpress.org/reference/classes/wp_rest_server/__construct/)`wp-includes/rest-api/class-wp-rest-server.php` |

Instantiates the REST server.

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/wp_rest_server/get_max_batch_size/?output_format=md#changelog)󠁿

| Version | Description | 
| [5.6.0](https://developer.wordpress.org/reference/since/5.6.0/) | Introduced. |

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