jq takes JSON as input and transforms it according to the filters you supply. Since it’s a command-line tool, you can pipe ...
/wp/v2/font-collections/{slug} WP_REST_API_Font_Collection /wp/v2/font-families WP_REST_API_Font_Families /wp/v2/font-families/{id}/ WP_REST_API_Font_Family /wp/v2 ...