That is intentionally left out of this diagram for two reasons (1) - That detail is covered by API specs like Swagger (2) - Two endpoints that return the same

That is intentionally left out of this diagram for two reasons (1) - That detail is covered by API specs like Swagger (2) - Two endpoints that return the same resource (of the back of two different operations on the same resource) may return a slightly different format/field. This is up to the developer of the API and best captured in API spces.