apply_filters( 'rest_request_before_callbacks', WP_HTTP_Response|WP_Error $response, array $handler, WP_REST_Request $request )

Filters the response before executing any REST API callbacks.

Description Description

Allows plugins to perform additional validation after a request is initialized and matched to a registered route, but before it is executed.

Note that this filter will not be called for requests that fail to authenticate or match to a registered route.

Parameters Parameters


(WP_HTTP_Response|WP_Error) Result to send to the client. Usually a WP_REST_Response or WP_Error.


(array) Route handler used for the request.


(WP_REST_Request) Request used to generate the response.

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Source Source

File: wp-includes/rest-api/class-wp-rest-server.php

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Changelog Changelog

Version Description
4.7.0 Introduced.

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