Get Azure IoT Hub metric using the connection string

95504669 546

Hi,
How do we get the Azure IoT Hub metric info using the connection string?
Is there any sample available for it.? All we could find was methods of using .Net.
But we want to using connection string to keep it simple as possible. Please let us know on it. Thank you.

1 answer

Sander van de Velde | MVP 32,736 Reputation points MVP

2023-07-20T12:03:31.7766667+00:00

Hello @95504669,

Yes, the IoT Hub comes with a REST API.

Here is an (older) example of how to make a call using the API. You first need to create bearer token.

There are a couple of metrics available (like `number of incoming messages, number of devices) but this is probably a limited set.

The Azure IoT Hub Service SDK is a wrapper around the SDK and takes a lot of effort away.

It's recommended to work with the SDK.

If the response helped, do "Accept Answer". If it doesn't work, please let us know the progress. All community members with similar issues will benefit by doing so. Your contribution is highly appreciated.
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95504669 546 Reputation points

2023-07-20T18:54:34.8933333+00:00

Is it possible to do it by using connection string instead of token?

Sander van de Velde | MVP 32,736 Reputation points MVP

2023-07-20T19:50:37.21+00:00

The REST API works with an authorization header containing a SAS token, not a connection string.

SAS tokens are directly derived from the Azure IoT Hub security and contain eg. an expiration date.

95504669 546 Reputation points

2023-07-21T01:45:57.98+00:00

Thank you for your reply.
What i was trying to say was that previously we worked on device twins using only the connection string of the Hub. We wanted to know whether it is possible to get the metrics whithout API's or tokens? Thank you.

AshokPeddakotla-MSFT 34,611 Reputation points

2023-08-04T09:59:57.6033333+00:00

95504669

What i was trying to say was that previously we worked on device twins using only the connection string of the Hub. We wanted to know whether it is possible to get the metrics whithout API's or tokens? Thank you.

To answer your question, it is not possible to get the metrics of an Azure IoT Hub without using APIs or tokens.

The Azure IoT Hub Metrics REST API provides a way to retrieve metrics for an IoT hub. To use this API, you need to authenticate your request using a shared access signature (SAS) token or Azure Active Directory (Azure AD) token.

Hope this clarifies. Do let us know if you have any further questions.

AshokPeddakotla-MSFT 34,611 Reputation points

2023-08-08T10:23:00.3666667+00:00

95504669 Just checking to see if you had a chance to review the latest response.

Do let us know if that helps or have any other queries.
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Get Azure IoT Hub metric using the connection string

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