Azure IoT: Message from cloud to device using Rest API

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Get: https://myiot.azure-devices.net/devices/mydevice/messages/devicebound?api-version=2016-02-03

Authorization: SAS key

So while receiving message using postman request maker, I am getting 204 No content response from above API, from cloud to device.

Can anyone help me with this?

Dec 31, 2018 in IoT (Internet of Things) by Shubham
• 13,210 points
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1 answer to this question.

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Firstly, If you get No content response(error code:204) from calling the GET API, it might be due to the fact that you haven't sent Cloud-To-Device messages. It basically, means the server has fulfilled the request, but there is no new information to send back.

Secondly, Device-To-Cloud message you have sent is actually unreachable (as the GET API is meant for Cloud-to-Device Messages)

Finally, sending a Cloud-To-Device message.

Just for testing purposes, try sending Cloud-To-Device message from Device Explorer

Hope it helps! Good Luck.

answered Dec 31, 2018 by Upasana
• 8,470 points

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