WP_REST_Users_Controller::create_item()
Method: Creates a single user.
Source: wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php:534
WP_REST_Users_Controller::check_role_update()
Method: Determines if the current user is allowed to make the desired roles change.
Source: wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php:1201
rest_insert_user
Action Hook: Fires immediately after a user is created or updated via the REST API.
Source: wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php:621
WP_REST_Users_Controller::check_username()
Method: Check a username for the REST API.
Source: wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php:1263
WP_REST_Users_Controller
Class: Core class used to manage users via the REST API.
Source: wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php:17