To access data from an/all environments in a group, you need to create an app in that group itself. That app will have automatically access to all environments in that group.
Only GET requests are allowed
Other methods as
Delete are prohibited.
It is possible to configure an Environment to use
tags from the group it's in. This is a one-time sharing setting and can't be undone. Using shared tags gives you the opportunity to filter publications in all environments based on the same tag name or id.