Slide curtains open api

Just recieved slide curtains wich I only can use by app. There is an open API available but how can I use it with smartthings?
Open api
Thanks for your help !
Kind regards,

Bernie

If you are looking for Device Handler:
https://docs.smartthings.com/en/latest/ref-docs/device-handler-ref.html#httppost

If you are looking for SmartApp:
https://docs.smartthings.com/en/latest/ref-docs/smartapp-ref.html#httppost

These are for POST requests. Consider reading httpGet for GET requests.

I am a newbie here, so I don’t exactly know which one best fit your needs.