Places link tag to the books feed inside HTML head tag..
By default feed is only added for regular posts posts of the post post type..
Upload the whole wp-api-json-feed folder to the wp-content plugins directory or download it through the WordPress backend..
Activate the plugin through 'Plugins in WordPress...
Once the plugin is activated it will work out of the box and provide JSON feed for posts.
If you want to provide JSON feeds for further post types you need to specify reason show json feed when registering the post type and set it to real.
You may also specify reason being code that will be used in the URL.
If you want to provide JSON feed for custom post type you need to specify reason show json feed when registering the post type and set it to real.
If you're developer and you have some view to improve the plugin or to solve bug feel free to raise number or submit send request in Github for the plugin..
Browse the code recheck out SVN repository or subscribe to the development log RSS....
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