Get the billing mode history for a tenant for a specific month.
Args: request: Request object containing year and month with validation user_context: User context with tenant admin permissions
Returns: Billing mode history records for the specified month and year Returns at least one entry which is the mode of the first date of the given month, with potential mode changes in the middle of the month. If no record found, defaults to LEGACY mode.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
x >= 20251 <= x <= 12Successful Response
Response to GET /billing/billing_mode/history request
List of billing mode entries for the specified month