You had mentioned regarding raising an issue for Azure SDK with 2019-10-01 consumption API version.
This was the link shared: Provide 2019-10-01 version of consumption APIs · Issue #12452 · Azure/azure-sdk-for-go · GitHub
Based on the comments, there is another link stating that its done. So, will we be able to fetch out billing details for pay as you go subscriptions now?
Hope to hear back from you soon.