US Patent 10120734 Application programming interface and services engine with application-level multi-tenancy

In some examples, an application programming interface (API) and services engine is configured to determine, in response to receiving a service request from an application, an application identifier for the service request based at least on an authorization token included in the service request, wherein the application identifier identifies an application that issued the service request; select, based at least on the application identifier, an application data store uniquely associated with the application that issued the service request; and process the service request using data stored by the selected application data store.