@startuml
title API Gateway client access flow
Client -> "Oauth server" : request for access token
"Oauth server" -> Client : response access token
Client -> "Gateway entry" : request with access token
"Gateway entry" -> "Oauth server" : submit access token
"Oauth server" -> "Gateway entry" : receive authorize scope
"Gateway entry" -> "Special adapter" : generate sessionid & call adapter by URI and request method
"Special adapter" -> Client : response by the authorize scope
@enduml