There seems to be no AMAZON.URL or any other type for slots for urls. I need to capture the utterance like "show {url}" or "show {path}" ex: show https://stackoverflow.com/questions/ask show /questions/ask Can I make a custom slot type with regex capturing? couldn't find such an option.
Ok you could simply enumerate different url examples in a custom slot type, and it works.
This provides an answer on how to make custom slot types. Custom slot types in amazon lex without enumeration values