Admin or login to a site:
/admin
For some webhosts, inc. Media Temple:
/wp-admin
All Settings list (wp_options database table):
/wp-admin/options.php
Jetpack modules settings (old admin page):
/wp-admin/admin.php?page=jetpack_modules
About welcome screen (after upgrade):
/wp-admin/about.php
List custom blocks (CPT: 'wp_block'):
/wp-admin/edit.php?post_type=wp_block
List (JSON) post types:
/wp-json/wp/v2/types
Manage Patterns /edit.php?post_type=wp_block
VVV info: http://vvv.test/
WP_Query params: https://github.com/luetkemj/wp-query-ref