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Pre-requisite is that postgres data storage option has been configured for your SAP Cloud Platform Internet of Things for the Cloud Foundry Environment instance.

You can find a URL like the following in the api hub but its not so easy to understand the filter syntax for the timestamp with the given help:

https://weather-station.eu10.cp.iot.sap/iot/core/api/v1/devices/18/measures?&skip=0&top=10

If you now want to check the values in measures for a specific time then here are 2 tips to make it work:

  1. filter=timestamp ge 1513144500 (this is the time in seconds) does not work as the time will be treated as milliseconds since EPOCH
  2. filter=timestamp ge 1513144500000 (this is the time in milliseconds) does not work as parsing of such a large integer fails
  3. filter=timestamp ge ‘1513144500000’ does work!

 

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