title: wp rest api get posts with their meta
body: <p>I am a total wp newb and I am struggling to get posts with all their meta(wp_postmeta table) via the WP REST API.
  <a href="http://v2.wp-api.org/reference/posts/" rel="noreferrer">http://v2.wp-api.org/reference/posts/</a></p>
  
  <p>Any guidance is greatly appreciated. Thanks!</p>