An information handling system may include at least one processor and a non-transitory, computer-reading medium having instructions thereon that are executable by the at least one processor for: providing access to one or more objects via a plurality of application programming interface (API) endpoints; receiving a call to a particular API endpoint from an app; and determining, based on a security identifier (SID) of the app, whether the call should be allowed; wherein the SID of the app is based on one or more custom capabilities defined in a manifest of the app.