Mark a purchase as an investment

Parameter	Description	Examples	More info
API	The API area	purchases.json
Action	Turn investment on	&action=investment_on
Action	Turn investment off	&action=investment_off
	Parameters described in overview	user=user&password=user&version=3.3	Overview
	Identifies the record(s) you wish to set
Purchase	Internal Purchase ID	&purchase=10008229

Example requests:

http://<SERVER>/jsonapi/purchases.json?user=user&password=user&version=3.3&action=investment_on&purchase=10007388

http://<SERVER>/jsonapi/purchases.json?user=user&password=user&version=3.3&action=investment_off&purchase=10007388

Example response:

{
  "responsecode": 1,
  "responsestatus": "OK",
  "errorcode": 0,
  "errormessage": "",
  "responsemessage": "Purchase order investment changed. ",
  "warningmessage": "",
  "success": true,
  "data": [
    {
      "purchaseorder_currencycode": "",
      "purchaseorder_currencyrate": 1,
      "purchaseorder_cost": 100,
      "purchaseorder_currencycost": 0,
      "purchaseorder_markup": -100,
      "purchaseorder_chargeout": 0,
      "purchaseorder_curchargeout": 0,
      "purchaseorder_invest": true,
      "purchaseorder_investment": 102.5,
      "purchaseorder_investmentmarkup": 2.5,
      "purchaseorder_estcost": 100,
      "purchaseorder_currencyestcost": 0,
      "purchaseorder_estmarkup": 2.5,
      "purchaseorder_estrecchgout": 102.5,
      "purchaseorder_estcurchargeout": 102.5,
      "purchaseorder_originalcost": 100,
      "purchaseorder_currencyorigcost": 100,
      "purchaseorder_internal": 10008268,
      "purchaseorder_uuid": "8F632C2ECEEC5948A3EF2C53F8FC555B",
      "purchaseorder_timestampmodified": 1521029739,
      "purchaseorder_recordversionnumber": 8,
      "purchaseorder_ponumber": "012094"
    }
  ]
}