Heavily used within energy industry systems and standards we have to work with in Germany to integrate with. A couple of examples: - Electronic delivery receip

Heavily used within energy industry systems and standards we have to work with in Germany to integrate with. A couple of examples: - Electronic delivery receipts for metering hardware (from standard body) - API spec for smart meter interfacing software (from vendor, feels legacy-like) - API to interact with official sub-CAs (from government authority) - Definitions for EDIFACT files (from standard body)