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Custom Properties

Custom Properties are the means by which sensors and devices can record information (such as temperature), which can be displayed as a time-series chart.

Custom properties can be created with one of the following data types:

Creating a custom property

Once you have created a custom property, you can write values to it by sending an HTTPS POST request to the following URL:


You must include an authorization header with an Api Key that has the write-property grant:

Authorization: ApiKey abc123def456......

The content type must be set:

Content-Type: application/json

The body should be set as following:

{value: <value>}