Avoid hiding unlisted events from ETP App

functions.php

<?php

add_filter(
	'tribe_events_archive_get_args',
	function ( $args, $data, $request ) {
		// If the API key is present that means the request is coming from App and we should not hide upcoming events.
		if ( isset( $request['api_key'] ) ) {
			$args['hide_upcoming'] = false;
			// Include private events in the response.
			$args['status'] = [ 'publish', 'private' ];
		}
		return $args;
	},
	10,
	3
);