Namespace root with no resource of its own — it returns 404. Use the financial sub-resources instead: /api/v1/financial/invoices, /api/v1/financial/transactions, /api/v1/financial/credits, /api/v1/financial/bulk/{invoices,transactions,credits}, and /api/v1/billing-analytics/overview.
Success response 401 · schema FinancialInvoiceApiError