Sure, or any internal service/microservice. The ETL approach makes sense but in the case of a service/microservice but I'm assuming you've got to have a well d

Sure, or any internal service/microservice. The ETL approach makes sense but in the case of a service/microservice but I'm assuming you've got to have a well defined dataflow. Edit: also at that point, any change (schema change, etc.) to the underlying data store represents a change to your dashboard, rather than a change to an API.