If so, you need SAP Universal ID. In a few months, SAP Universal ID will be the only option to login to SAP Community. Without it, you will lose your content and badges. If you have multiple accounts, use the Consolidation Tool to merge your content.
How would be the best way to obtain the information provided by a Non SAP system to take into SAP S4 / Hana through Inbound IDos and the use of an API from the Sap Business Hub, for On Premise system.