PluginSift

WordPress REST API (Version 2) vs Format JSON Online (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
Format JSON Online

Format JSON Online

0(0)

0 active installs

Free

Updated 5 months ago
View Format JSON Online

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 0). Both are free WordPress plugins. WordPress REST API (Version 2) has accumulated 534K+ total downloads while Format JSON Online has 167.

Detailed Comparison

Rating
4.2/5WordPress REST API (Version 2)
◄
Format JSON OnlineN/A
Total Reviews
34WordPress REST API (Version 2)
◄
Format JSON Online0
Active Installs
10K+WordPress REST API (Version 2)
◄
Format JSON Online0
Total Downloads
534K+WordPress REST API (Version 2)
◄
Format JSON Online167
Support Resolution
N/AWordPress REST API (Version 2)
Format JSON OnlineN/A
Last Updated
8 years agoWordPress REST API (Version 2)
►
Format JSON Online5 months ago
First Released
2009WordPress REST API (Version 2)
Format JSON Online2025
Age
17 yearsWordPress REST API (Version 2)
Format JSON Online1 year
WP Requires
4.6+WordPress REST API (Version 2)
Format JSON Online5.0+
PHP Requires
false+WordPress REST API (Version 2)
Format JSON Onlinefalse+
Business Model
FreeWordPress REST API (Version 2)
Format JSON OnlineFree
Latest Version
2.0-beta15WordPress REST API (Version 2)
Format JSON Online1.0.1

Rating Breakdown

WordPress REST API (Version 2)

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

Format JSON Online

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

Format JSON Online Reviews

No reviews yet

Frequently Asked Questions

Is WordPress REST API (Version 2) or Format JSON Online more popular?
WordPress REST API (Version 2) has 10K+ active installations while Format JSON Online has 0. 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 Format JSON Online?
WordPress REST API (Version 2) has a 4.2/5 rating from 34 reviews, while Format JSON Online has a 0/5 rating from 0 reviews.
Are WordPress REST API (Version 2) and Format JSON Online free?
WordPress REST API (Version 2) is free and Format JSON Online is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — WordPress REST API (Version 2) or Format JSON Online?
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 Format JSON Online was last updated 5 months ago.

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