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WordPress REST API (Version 2) vs 51Blocks JSON Schema Generator (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
51Blocks JSON Schema Generator

51Blocks JSON Schema Generator

5(5)

100 active installs

Free

Updated 10 years ago
View 51Blocks JSON Schema Generator

Quick Verdict

As of April 2026, 51Blocks JSON Schema Generator has a higher user rating (5/5 from 5 reviews) while WordPress REST API (Version 2) leads in active installations (10K+ vs 100). Both are free WordPress plugins. WordPress REST API (Version 2) has accumulated 534K+ total downloads while 51Blocks JSON Schema Generator has 6.7K+.

Detailed Comparison

Rating
4.2/5WordPress REST API (Version 2)
►
51Blocks JSON Schema Generator5/5
Total Reviews
34WordPress REST API (Version 2)
◄
51Blocks JSON Schema Generator5
Active Installs
10K+WordPress REST API (Version 2)
◄
51Blocks JSON Schema Generator100
Total Downloads
534K+WordPress REST API (Version 2)
◄
51Blocks JSON Schema Generator6.7K+
Support Resolution
N/AWordPress REST API (Version 2)
51Blocks JSON Schema GeneratorN/A
Last Updated
8 years agoWordPress REST API (Version 2)
◄
51Blocks JSON Schema Generator10 years ago
First Released
2009WordPress REST API (Version 2)
51Blocks JSON Schema Generator2015
Age
17 yearsWordPress REST API (Version 2)
51Blocks JSON Schema Generator11 years
WP Requires
4.6+WordPress REST API (Version 2)
51Blocks JSON Schema Generator3.0.1+
PHP Requires
false+WordPress REST API (Version 2)
51Blocks JSON Schema Generatorfalse+
Business Model
FreeWordPress REST API (Version 2)
51Blocks JSON Schema GeneratorFree
Latest Version
2.0-beta15WordPress REST API (Version 2)
51Blocks JSON Schema Generator1.0

Rating Breakdown

WordPress REST API (Version 2)

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

51Blocks JSON Schema Generator

5/5(5 reviews)
5
100%
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

51Blocks JSON Schema Generator Reviews

No reviews yet

Frequently Asked Questions

Is WordPress REST API (Version 2) or 51Blocks JSON Schema Generator more popular?
WordPress REST API (Version 2) has 10K+ active installations while 51Blocks JSON Schema Generator has 100. 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 51Blocks JSON Schema Generator?
WordPress REST API (Version 2) has a 4.2/5 rating from 34 reviews, while 51Blocks JSON Schema Generator has a 5/5 rating from 5 reviews.
Are WordPress REST API (Version 2) and 51Blocks JSON Schema Generator free?
WordPress REST API (Version 2) is free and 51Blocks JSON Schema Generator is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — WordPress REST API (Version 2) or 51Blocks JSON Schema Generator?
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 51Blocks JSON Schema Generator was last updated 10 years ago.

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