Related Posts: add list of post IDs to WP REST API Post responses

[jeherve]

The WordPress.com REST API includes the /sites/$site/posts/$post/related endpoint, that we use to get related post IDs for a specific post. We then use the _jetpack_related_posts_cache post meta to store the IDs of each Related Post locally.

It's useful, but that data can't be accessed by the core WP REST API.

It would be nice if we could register a new field in the API to expose these post IDs, maybe in a jetpack-related-posts array under wp-json/wp/v2/posts/$post.

This would make it easier for folks developing themes using the WP REST API, and wanting to use Jetpack Related Posts without having to do remote queries to the WordPress.com REST API and handling caching themselves.

[ziyafenn]

Hey guys, don't know if this is related, but seems to be related custom post types are not added to the REST API when related default post types are.
I added the function in my functions.php

function allow_my_post_types($allowed_post_types) {
    $allowed_post_types[] = 'article';
    return $allowed_post_types;
}
add_filter( 'rest_api_allowed_post_types', 'allow_my_post_types' );

@zinigor

[jeherve]

@ziyafenn Sorry that you are running into issues. Could you contact us via this contact form and give us more details and examples there, so we can help you get this fixed?

Thank you!