Get usage history
Get usage history by month for the past N months. Owner, admin, viewer.
Headers
Authorization
Bearer {access_token}
X-Workspace-Id
Workspace UUID
Query parameters
months
Number of months (1-24)
Response
Wrapped as {“data”: UsageHistoryResponse}. Each month: changePercent is JSON null when not computable; changeReason optional (computed|baseline_zero|no_prev_window).
Errors
400
Bad Request Error
401
Unauthorized Error
403
Forbidden Error
500
Internal Server Error