this is official reference lib - <a href="https:&#x2F;&#x2F;github.com&#x2F;graphql&#x2F;graphql-js" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;graphql&#x2F;graphql-js</a><p>you need to implement resolve method to map properties to your backend(s)<p>yes, it is not drop in, but using any node.js http request library should do the trick.<p>also, both can co-exist if you have application which already uses existing rest api layer.