Parameter	Mandatory	Description	Examples	More Info
API	Yes	The API area	expensesheets.json
General	Yes	Parameters described in overview	user=user&password=user	Structure of an API call
Action	Yes	The action to perform	action=expensesheetsunapprove
Identifier	Yes	Expense sheet ID or UUID	expensesheet=`[1234,1235]`

Example request:

http://<SERVER>/jsonapi/expensesheets.json?user=user&password=user&version=4&action=expensesheetsunapprove&expensesheet=[1234,1235]

Example response:

{
  "responsecode": 1,
  "responsestatus": "OK",
  "errorcode": 0,
  "errormessage": "",
  "responsemessage": "2 of 2 expense sheets unapproved.",
  "warningmessage": "",
  "success": true
}