Webhooks - Myopenhabcloud or other method

Apps & Services openHAB Cloud
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  1. It’s deprecated in browsers but I still think you can still do this. If not then the answer is no, you can’t authenticate in the URL.

  2. Install the REST Docs (under UIs in PaperUI) and you will see all the end points. You will want to look under Items.

  3. Depends on the technology or cloud API they are connected to. I suspect every binding handles it different based on the unique qualities they are connected to.

  4. If it ever get’s turned back on perhaps IFTTT can handle this. If you are willing to open your LAN to the internet (I strongly recommend against this) you can set up a web page that updates an Item. See OAuth2 using just OH Rules and myopenhab.org for an example. But again, I cannot state this strongly enough, do not do this.