Hi @Bogliardi Tommaso ,
Thanks for using Microsoft Q&A!!
I believe you are trying to pass the model version to the REST endpoint and thus you are getting this error.
Please pass the api version in correct date format like - "2023-05-15" as mentioned in the documentation.
Current supported versions as per the documentation is as follows-
Please let me know if that's not the case so that we can further look into this issue.
Thanks
Saurabh
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