get https://sandbox.checkhq.com/payrolls//preview
Returns a preview of an approved version of the input payroll
Use the /preview endpoint to run the calculations used with payroll approval, but without changing the status of the payroll to approved. /preview returns the same data as the /approve endpoint, but without the internal system side effects of actually approving the payroll. Use this call to check numbers like net_pay before actually approving the payroll. For more information, see Life of a Payroll.