This is something like /api/smartapps/installations/"personalCode"/ this should go after the initial host URL. I have tried putting "host + url + "/statechanged/" + state + "?access_token=" + accToken + "&ipadd=" + pingHost" This with the same outcome.
I have tried this.
reply below (if blank this usually means successful:
==========
==========
With this as a result. Again, same outcome. I'm beginning to think smartthings just doesn't like my esp for some reason.