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like above this Azure portal how to get via api? Message receiving cloud to device.
Is your question about sending a message to a device by API or receiving?
Thank you for your response @Matthijs van der Veer. We are trying to send a message using api to the device. Is it possible? What are the other ways to send message to a device? Thank you.
Thank you Surbhi and Matthijs. The .Net sdk sample is working. I use a Avnet starter kit device. How can I receive the c2d message from my device. Is there any sample available for it? Thank you.
Probably best to make that a separate question, that way you can add more details and leave this one for people with the same need.
You can send Cloud-to-Device messages through the various SDK's. You can check a .NET example here
This SDK is also available in Python, Node.js, Java and iOS.
There does not seem to be a REST API to do the same, so the SDK is the way to go.
Thank you Surbhi and Matthijs. The .Net sdk sample is working. I use a Avnet starter kit device. How can I receive the c2d message from my device. Is there any sample available for it? Thank you.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(134.4, 80%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
Hi Madanraj,
Commands supported via HTTP from Cloud to Device
[https://learn.microsoft.com/en-us/rest/api/iothub/service/cloud-to-device-messages
Other ways to send the message from Cloud to device are -
[https://learn.microsoft.com/en-us/azure/iot-hub/iot-hub-csharp-csharp-c2d
[https://learn.microsoft.com/en-us/azure/iot-hub/iot-hub-python-python-c2d
[https://learn.microsoft.com/en-us/azure/iot-hub/iot-hub-node-node-c2d
[https://learn.microsoft.com/en-us/azure/iot-hub/iot-hub-java-java-c2d
[https://learn.microsoft.com/en-us/azure/iot-hub/iot-hub-ios-swift-c2d
The formatting of your answer seems to be broken and I don't know how to fix it (I think it's the new Q&A version). I hope you don't mind I added a new answer instead.
Thank you Surbhi and Matthijs. The .Net sdk sample is working. I use a Avnet starter kit device. How can I receive the c2d message from my device. Is there any sample available for it? Thank you.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(179.20000000000002, 33%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EC%3C/text%3E%3C/svg%3E)
This is insane! What type of an IoT platform does not allow a user to send a command to an IoT device??
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(54.400000000000006, 38%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EQ%3C/text%3E%3C/svg%3E)
@Innov8 thanks for the response on this thread.
What is your scenario or use case? for C2D messaging? we would be happy to help!
Please post a new Question on this forum and we will make sure to respond as soon as possible. Thanks for your understanding.
@SatishBoddu-MSFT we have done so here, thanks https://learn.microsoft.com/en-us/answers/questions/1523775/functionality-for-cloud-to-device-messages-custom