title: Wordpress Rest API - How to get all authors when using get post by slug
body: <p>I'm using "get post" by slug to get the post content and for some reason it's only returning a single Author. 
  The article contains multiple authors and I was looking for get a list of all authors in a possible array.
  <a href="https://i.stack.imgur.com/Y6oZs.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Y6oZs.png" alt="enter image description here"></a></p>