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WordPress REST API (Version 2) vs ACF 5 Pro JSON Storage (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

WordPress REST API (Version 2)

WordPress REST API (Version 2)

4.2(34)

10K+ active installs

Free

Updated 8 years ago
View WordPress REST API (Version 2)
VS
ACF 5 Pro JSON Storage

ACF 5 Pro JSON Storage

0(0)

90 active installs

Free

Updated 10 years ago
View ACF 5 Pro JSON Storage

Quick Verdict

As of April 2026, WordPress REST API (Version 2) has a higher user rating (4.2/5 from 34 reviews) and leads in active installations (10K+ vs 90). Both are free WordPress plugins. WordPress REST API (Version 2) has accumulated 534K+ total downloads while ACF 5 Pro JSON Storage has 2.5K+.

Detailed Comparison

Rating
4.2/5WordPress REST API (Version 2)
◄
ACF 5 Pro JSON StorageN/A
Total Reviews
34WordPress REST API (Version 2)
◄
ACF 5 Pro JSON Storage0
Active Installs
10K+WordPress REST API (Version 2)
◄
ACF 5 Pro JSON Storage90
Total Downloads
534K+WordPress REST API (Version 2)
◄
ACF 5 Pro JSON Storage2.5K+
Support Resolution
N/AWordPress REST API (Version 2)
ACF 5 Pro JSON StorageN/A
Last Updated
8 years agoWordPress REST API (Version 2)
◄
ACF 5 Pro JSON Storage10 years ago
First Released
2009WordPress REST API (Version 2)
ACF 5 Pro JSON Storage2015
Age
17 yearsWordPress REST API (Version 2)
ACF 5 Pro JSON Storage11 years
WP Requires
4.6+WordPress REST API (Version 2)
ACF 5 Pro JSON Storage3.5.0+
PHP Requires
false+WordPress REST API (Version 2)
ACF 5 Pro JSON Storagefalse+
Business Model
FreeWordPress REST API (Version 2)
ACF 5 Pro JSON StorageFree
Latest Version
2.0-beta15WordPress REST API (Version 2)
ACF 5 Pro JSON Storage1.0.0

Rating Breakdown

WordPress REST API (Version 2)

4.2/5(34 reviews)
5
76%
4
0%
3
9%
2
0%
1
15%

ACF 5 Pro JSON Storage

0/5(0 reviews)
5
0%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

WordPress REST API (Version 2) Reviews

by tazotodua

TOTAL IGNORANCE TO USERS

As we stated, this plugin was way long abandonded, and integrated in WP, and even after request https://wordpress.org/support/topic/why-there-is-no-clear-indication-that-it-is-no-longer-used/ the de

by sachintonte

PHP 7.2 compatibility errors on rest-api

Can you please confirm/deny the PHP 7.2 compatibility? I’m receiving this error report on a PHP 7.2 compatibility test: FILE: /nas/content/live/devreplicon1/wp-content/plugins/rest-api/lib/endpoints/c

by SuperBomd

Bug

Call to undefined function get_registered_meta_keys() in wp-content\plugins\rest-api\lib\fields\class-wp-rest-meta-fields.php on line 244

ACF 5 Pro JSON Storage Reviews

No reviews yet

Frequently Asked Questions

Is WordPress REST API (Version 2) or ACF 5 Pro JSON Storage more popular?
WordPress REST API (Version 2) has 10K+ active installations while ACF 5 Pro JSON Storage has 90. WordPress REST API (Version 2) is the more widely-used plugin as of April 2026.
Which has better ratings — WordPress REST API (Version 2) or ACF 5 Pro JSON Storage?
WordPress REST API (Version 2) has a 4.2/5 rating from 34 reviews, while ACF 5 Pro JSON Storage has a 0/5 rating from 0 reviews.
Are WordPress REST API (Version 2) and ACF 5 Pro JSON Storage free?
WordPress REST API (Version 2) is free and ACF 5 Pro JSON Storage is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — WordPress REST API (Version 2) or ACF 5 Pro JSON Storage?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
WordPress REST API (Version 2) was last updated 8 years ago and ACF 5 Pro JSON Storage was last updated 10 years ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.