Alexa controlling device

Hii everyone, after so many days ,i started working with alexa.
I just want suggestion . I am trying to create a flow in node red with some not real device and want to control those device with the alexa app. if skill is require ,i can create the skill but i want to use https endpoint . if anyone work ont it please give some suggestions.
Thank you

Start by looking at the flows on which you can import into Node-RED

There are lots that contain Alexa nodes.