Before you can authenticate and get an access token to access resources using an OAuth 2.0 client, you must configure OAuth 2.0 to use an authorization grant type.
Before you can configure an OAuth 2.0 with authorization code grant type, you must fulfill the following prerequisites:
SSL must be set up in the AS ABAP (for details, see Configuring the AS ABAP for Supporting SSL).
In the AS ABAP, there is a user with the type System for each OAuth 2.0 client. For more information how to set up such users, see User Administration Functions.
Before you can authenticate and get an access token to access resources using an OAuth 2.0 client, you must configure OAuth 2.0 to use an authorization code grant type. For more information, see the related link.