It depends on your definition of "user". We have an API that is used by external systems, those systems (and developers) are our "users". It's vital to think

It depends on your definition of "user". We have an API that is used by external systems, those systems (and developers) are our "users". It's vital to think of API consumers as users, because it avoids the "REST is CRUD" attitude by focussing on the business/system functions that are being expressed, which leads to focussing on the Nouns, not the verbs of the business.