Certificates Class: Certificates API Controller. @since: 4.10.2@package: LearnDash / CoreSource Files: src/Core/API/Controllers/Certificates.php
Posts Class: Posts API Controller. @since: 4.10.2@package: LearnDash / CoreSource Files: src/Core/API/Controllers/Posts.php
LD_REST_Posts_Controller_V1::register_routes_wpv2() Method: Registers the routes for the objects of the controller. @since: 2.5.8, 4.10.2@package: LearnDash / REST / V1Source Files: includes/rest-api/v1/class-ld-rest-posts-controller.php