Best Practices for
creating WordPress
REST API
by Galkin Nikita
WORDPRESS KITCHEN MEETUP
SPRING 2016

Useful links
http://v2.wp-api.org
https://wordpress.org/plugins/rest-api/
http://raml.org
https://www.getpostman.com
https://c9.io
https://wp-rest-galk-in.c9users.io

Default REST in Wordpress 4.4
Start endpoint http://example.com/wp-json/
Added oembed/1.0/ namespace
Off REST API
add_filter('rest_enabled', function() {return false;});

Standart REST API
{
"name": "Example WordPress Site",
"namespaces": [
"wp/v2",
"oembed/1.0/"
]
}

Add route
add_action( 'rest_api_init', function () {
register_rest_route( 'myplugin/v1', '/example/', array(
'methods' => 'GET',
'callback' => function($request) {
return "Hello world!";
},
) );
} );

Namespace =
<plugin|theme>/<version>

Route
last part of
endpoint

Arguments
methods
callback
permission_callback
args
default
required
sanitize_callback

Middleware

ETAG

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