by Acato 4.9 (42 reviews)

WP REST Cache

Name: WP REST Cache
Rating: 4.9 (42 reviews)
Author: Acato

Enable caching of the WordPress REST API and auto-flush caches upon wp-admin editing.

WP REST Cache ranks #1,789 among WordPress.org plugins with 10,000+ active installations, is #73 of 1,658 in the Performance category, a 4.9/5 rating from 42 reviews, and was last updated Oct 29, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 7 (Current: 7.1.4)

v2026.4.1 Current Version v2026.4.1

Updated 3 days ago Last Update on 29 Oct, 2026

Refreshed 2 days ago Last Refreshed on

#73 of 1,658 in Performance Top 5% by installs Downloads +379.6% this week Actively maintained

View on WordPress.org

Rank

#1,789

— No change

Active Installs

10K+

-34.9%

KW Avg Position

12.2

6.2 better

Downloads

369K

+54 today

Support Resolved

100%

— No change

Rating

98%

Review 4.9 out of 5

4.9 (42 reviews)

Next Milestone 20K

Total Progress 52.9%

10K+ 20K+

386

Ranks to Climb

Growth Needed

8,000,000

Active Installs

Pro

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Rank Changes

Current #1,789

Change

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

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Reviews & Ratings

4.9

42 reviews

Overall 98%

38 (90%)

3 (7%)

1 (2%)

0 (0%)

Support Threads Overview

Resolved

Unresolved

Total Threads

Resolved

Unresolved

100%

Resolution Rate

Security History

Source: WPVulnerability

2 known vulnerabilities on record · 2 in the last 24 months · checked 1 week ago

Mar 23, 2026

WP REST Cache [wp-rest-cache] < 2026.1.1

CVE-2026-25347 · Fixed in v2026.1.1
Jul 28, 2025

WP REST Cache [wp-rest-cache] < 2025.1.1

CVE-2025-52716 · Fixed in v2025.1.1

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Plugin Details

Version: 2026.4.1
Last Updated: Oct 29, 2026
Requires WP: 4.7+
Tested Up To: 7
PHP Version: 7.0 or higher
Author: Acato

Support & Rating

Rating: ★ ★ ★ ★ ★ 4.9
Reviews: 42
Support Threads: 1
Resolved: 100%

Keywords

api cache rest rest cache wp-rest-api

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TL;DR

AI summary of the plugin's readme

This plugin is for WordPress site owners who use the REST API and need faster response times. It solves slow REST API performance by caching endpoint responses and automatically flushing those caches when content is edited.

Caches default REST API endpoints
Caches custom post type endpoints
Caches custom taxonomy endpoints
Automated cache flushing on edits
Manual flushing of all caches
Manual flushing of specific caches
Cache retrieval counter
Configurable cache timeout

Frequently Asked Questions

Common questions about WP REST Cache

No, the plugin will automatically flush all cache related to the page/post you just edited.

Yes, the plugin will automatically cache the endpoint of custom post types. Unless you have created a custom WP_REST_Controller for it, then it will not automatically cache the endpoint.

Yes, the plugin will automatically cache the endpoint of custom taxonomies. Unless you have created a custom WP_REST_Controller for it, then it will not automatically cache the endpoint.

No, the plugin will not cache your custom endpoint unless you tell it to cache it using our WP REST Cache Pro plugin or the hook wp_rest_cache/allowed_endpoints (See 'Can I register my own endpoint for caching?'). Please keep in mind that once you do so the plugin will not automatically flush the cache of that endpoint if something is edited (it has no way of knowing when to flush the cache). It will however try to determine the relations and for the determined relations it will flush the cache automatically once the relation is edited.

Yes you can! You can use our WP REST Cache Pro plugin to easily register your own endpoints for caching through the wp-admin interface. Or you can do it programmatically by using the hook wp_rest_cache/allowed_endpoints like this: /** * Register the /wp-json/acf/v3/posts endpoint so it will be cached. */ function wprc_add_acf_posts_endpoint( $allowed_endpoints ) { if ( ! isset( $allowed_endpoints[ 'acf/v3' ] ) || ! in_array( 'posts', $allowed_endpoints[ 'acf/v3' ] ) ) { $allowed_endpoints[ 'acf/v3' ][] = 'posts'; } return $allowed_endpoints; } add_filter( 'wp_rest_cache/allowed_endpoints', 'wprc_add_acf_posts_endpoint', 10, 1); Please note: the WP REST Cache plugin will try to detect relations in the cached data to automatically flush the cache when related items are edited, but this detection is not flawless so your caches might not be flushed automatically.

Yes you can! Use the hook wp_rest_cache/allowed_endpoints like this: /** * Unregister the /wp-json/wp/v2/comments endpoint so it will not be cached. */ function wprc_unregister_wp_comments_endpoint( $allowed_endpoints ) { if ( isset( $allowed_endpoints[ 'wp/v2' ] ) && ( $key = array_search( 'comments', $allowed_endpoints[ 'wp/v2' ] ) ) !== false ) { unset( $allowed_endpoints[ 'wp/v2' ][ $key ] ); } return $allowed_endpoints; } add_filter( 'wp_rest_cache/allowed_endpoints', 'wprc_unregister_wp_comments_endpoint', 100, 1);

Yes you can! Add the GET-parameter skip_cache=1 to your call and no caching will be used.

Yes you can! Use the hook wp_rest_cache/determine_object_type like this: function wprc_determine_object_type( $object_type, $cache_key, $data, $uri ) { if ( $object_type !== 'unknown' || strpos( $uri, $your_namespace . '/' . $your_rest_base ) === false ) { return $object_type; } // Do your magic here $object_type = 'website'; // Do your magic here return $object_type; } add_filter( 'wp_rest_cache/determine_object_type', 'wprc_determine_object_type', 10, 4 );

Yes they can! Go to Settings > WP REST Cache, on the Settings tab you can check Enable cache regeneration, this will activate a cron job which will check if there are any expired (or flushed) caches and regenerate them. Using the Regeneration interval you can determine how often this regeneration process should run. The Max number regenerate caches limits the number of regenerated caches per regeneration process, this is so your server doesn't get flooded with the regeneration calls.

Yes you can! Use the hook wp_rest_cache/display_clear_cache_button like this: function wprc_display_clear_cache_button( $show ) { return false; } add_filter('wp_rest_cache/display_clear_cache_button', 'wprc_display_clear_cache_button', 10, 1);