When creating Iot Hub Resource Basic tier using REST API version 2018-04-01. I'm getting response 400 Bad requests but another tier is not a problem. Please advise me what caused this problem.

Hello @WisarootK , the API version of your REST API call is pretty old... 2018. Back then, the B tier probably did not exist yet, only F (free) and S (standard)... Can you try the currently documented api version? PUT https://fully-qualified-iothubname.azure-devices.net/configurations/{id}?api-version=2020-05-31-preview

Why can't create Iot Hub Resource Basic tier?

Accepted answer

Sander van de Velde 28,236 Reputation points MVP

2021-11-08T10:16:45.33+00:00
Hello @WisarootK ,

the API version of your REST API call is pretty old... 2018. Back then, the B tier probably did not exist yet, only F (free) and S (standard)...

Can you try the currently documented api version?

PUT https://fully-qualified-iothubname.azure-devices.net/configurations/{id}?api-version=2020-05-31-preview
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WisarootK 21 Reputation points

2021-11-09T03:49:38.413+00:00

Sorry, this issue is due to my carelessness. The Rest API I'm using is 2016 version, but now I switched to 2018 version and it works. I'd better check the code before asking questions, thanks very much for the advice.

Sander van de Velde 28,236 Reputation points MVP

2021-11-09T13:57:26.54+00:00

Hello @WisarootK ,

thanks for pointing this out.

If this answer can help other programmers, please accept the answer so others with the same issue are pointed in the right direction.
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Why can't create Iot Hub Resource Basic tier?

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