hook (filter): Filter the thumbnail sizes available for each attachment ID.
-
Follow
Following
Already have a WordPress.com account? Log in now.
hook (filter): Filter the thumbnail sizes available for each attachment ID.
hook (action): Fires before the page output.<p>Can be used to specify custom header options.</p>
hook (filter): Filters all REST API access and return a 403 unauthorized response for all Restricted blog IDs.
hook (filter): Filters the settings to be updated on the site.
hook (action): Fires when a Publicize connection is deleted.
hook (action): Fires when a post is created via the REST API.
hook (action): Fires on each GET request to a specific endpoint.
hook (filter): Filters the URL scheme used when querying your site's REST API endpoint.
hook (filter): Filters the meta keys accessible by the REST API.
Jetpack Developer Resources 
wpcom_json_api_user_is_member_of_blog
hook (filter): Filter allowing non-registered users on the site to comment.