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Smart Home Forum by FIBARO Team

Update device parameters in the REST API


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I read all my units from my HC3 with the command http://<username>:<password>@

In the response I get all the parametes for the units.

Now I want to change parameters in the units, what is the syntax for this?

Please give an example if I want to update parameter 28 on UnitId 123 to value 15.


Best regards, Mikael


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  • Ok, your call is from LUA, but how is the call from the REST API?


    It should be something like: http://<username>:<password>@ .....


    Best regards, Mikael


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    Check Swagger on your HC3 for the API documentation:



    I think you need this:

    PUT devices/modifyDevice

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  • Yes, I read the documentation but I dont understand it!


    If I could only get an example it would be so much easier :-)


    When  I use Google Chrome I can enter  http://<username>:<password>@  in the URL to get a JSON response whit all my device info.


    What should I enter to set a a parameter on a unit?


    Best regadrs, Mikael



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    First, give us some more information. And what do you want to accomplish...


    Do you want to change the device from the HC3 itself? With a scene/QA, or a third party service like Node-RED?


    Please read some information about how the REST API works, based on the HC3 I wrote a blog about the REST API, how it works.


    To answer your question, you can't do a POST or PUT command in the browser URL bar. You have to use some software like Node-RED, PowerShell, curl, etc... (Google them).

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