Title: rest_insert_{$this->post_type}
Published: December 6, 2016
Last modified: February 24, 2026

---

# do_action( “rest_insert_{$this->post_type}”, WP_Post $post, WP_REST_Request $request, bool $creating )

## In this article

 * [Description](https://developer.wordpress.org/reference/hooks/rest_insert_this-post_type/?output_format=md#description)
 * [Parameters](https://developer.wordpress.org/reference/hooks/rest_insert_this-post_type/?output_format=md#parameters)
 * [Source](https://developer.wordpress.org/reference/hooks/rest_insert_this-post_type/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/hooks/rest_insert_this-post_type/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/hooks/rest_insert_this-post_type/?output_format=md#changelog)

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

Fires after a single post is created or updated via the REST API.

## 󠀁[Description](https://developer.wordpress.org/reference/hooks/rest_insert_this-post_type/?output_format=md#description)󠁿

The dynamic portion of the hook name, `$this->post_type`, refers to the post type
slug.

Possible hook names include:

 * `rest_insert_post`
 * `rest_insert_page`
 * `rest_insert_attachment`

## 󠀁[Parameters](https://developer.wordpress.org/reference/hooks/rest_insert_this-post_type/?output_format=md#parameters)󠁿

 `$post`[WP_Post](https://developer.wordpress.org/reference/classes/wp_post/)

Inserted or updated post object.

`$request`[WP_REST_Request](https://developer.wordpress.org/reference/classes/wp_rest_request/)

Request object.

`$creating`bool

True when creating a post, false when updating.

## 󠀁[Source](https://developer.wordpress.org/reference/hooks/rest_insert_this-post_type/?output_format=md#source)󠁿

    ```php
    do_action( "rest_insert_{$this->post_type}", $post, $request, true );
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php#L805)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php#L805-L805)

## 󠀁[Related](https://developer.wordpress.org/reference/hooks/rest_insert_this-post_type/?output_format=md#related)󠁿

| Used by | Description | 
| [WP_REST_Posts_Controller::create_item()](https://developer.wordpress.org/reference/classes/wp_rest_posts_controller/create_item/)`wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php` |

Creates a single post.

  | 
| [WP_REST_Posts_Controller::update_item()](https://developer.wordpress.org/reference/classes/wp_rest_posts_controller/update_item/)`wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php` |

Updates a single post.

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/hooks/rest_insert_this-post_type/?output_format=md#changelog)󠁿

| Version | Description | 
| [4.7.0](https://developer.wordpress.org/reference/since/4.7.0/) | Introduced. |

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