Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Dear zidnd,
Welcome to Microsoft. community.
Hello, your problem is that you want to know the difference between api/v1 and api/v2.1. Unfortunately, Microsoft Community is a platform for technical support for home and business users, and the scope of this issue is clearly outside of its scope.
If your issue appears to require more specialized support, we recommend seeking help in OneDrive · Community (microsoft.com) (English only). You can view our content more easily by using the Translate This Page feature in the context menu where we have more experts in the related field who can provide you with better solutions. You can click “Ask a Question”.
Sincerest greetings
Linn |Microsoft Community Support Specialist