Can you confirm the plugin adresses

Better REST API Featured Images
https://wordpress.org/plugins/better-rest-api-featured-images/
Category Order
??
REST API Enabler
https://wordpress.org/plugins/rest-api-enabler/
WP REST API - filter fields
https://wordpress.org/plugins/rest-api-filter-fields/
WP REST API - Pure Taxonomies
https://wordpress.org/plugins/wp-rest-api-pure-taxonomies/
WP-CORS
https://wordpress.org/plugins/wp-cors/

Wasn't sure on which Category Order plugin you were using