Somewhere in your organization, the answer to next quarter's hardest question already exists. It sits in a contract clause nobody indexed, a support ticket thread nobody summarized, a call transcript ...
/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 ...