I have been referring to the document https://docs.microsoft.com/en-us/azure/storage/blobs/storage-quickstart-blobs-python. I have not been able to find the proper APIs for
You should take a look at start_copy_from_url method in the SDK.
From the same link:
# Get the blob client with the source blob
source_blob = ""
copied_blob = blob_service_client.get_blob_client("", '')
# start copy and check copy status
copy = copied_blob.start_copy_from_url(source_blob)
props = copied_blob.get_blob_properties()
print(props.copy.status)