plugins not working in custom theme

Your theme does not contain a main post loop, so there is no place for the plugin to do its work if ( have_posts() ) { while ( have_posts() ) { the_post(); // // Post Content here // the_content(); } // end while } // end if https://codex.wordpress.org/The_Loop

Api rest_route 404 while building filter for custom posts (filtered by multiple meta keys / custom fields)

As I said in my comment, I made a POST request to your custom endpoint (here) and then received a 404 error with this message: “No route was found matching the URL and request method.“, which likely means the route was never registered, or that the request method was not supported, i.e. not in the … Read more