Did you have problems caching between BFF and backend apis? We are trying to be able to have our FEEs write apis quickly while still having low operational loa

Did you have problems caching between BFF and backend apis? We are trying to be able to have our FEEs write apis quickly while still having low operational load. Also curious how you convinced leadership about your BFF idea? How did you convince them that its better than modifying the existing backend apis.