This is a JSON REST API being created for GSoC 2013. See http://make.wordpress.org/core/tag/json-api/

Author:WP REST API Team (profile at wordpress.org)
WordPress version required:3.9
WordPress version tested:4.4.2
Plugin version:1.2.5
Added to WordPress repository:02-07-2013
Last updated:25-02-2016
Warning! This plugin has not been updated in over 2 years. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.
Rating, %:88
Rated by:33
Plugin URI:https://github.com/WP-API/WP-API
Total downloads:215 252
Active installs:10 000+
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