Sample json data of PO INDEX is available here
A sample of complete PO json data to create PO is available here
{
"mPkid": 1829,
"mGuid": "",
"mIndexGuid": "",
"mPurchaseOrderId": 1228,
"mPurchaseItemId": 0,
"mRemarks": "",
"mTotalQty": 2,
"mCurrency": "MYR",
"mUnitPriceRecommended": 500,
"mUnitPriceQuoted": 405,
"mStatus": "active",
"mPurchaseItemType": "inv",
"mItemId": 1007,
"mStkCode": "ATL4251320K",
"mBarCode": "",
"mSerialized": true,
"mName": "1/2\"x3/8\"x16TPI T-SLOT MACHINE CLAMP SET",
"mOutstandingQty": 0,
"mPriceList": 0,
"mPriceSale": 0,
"mPriceDisc1": 0,
"mPriceDisc2": 0,
"mPriceDisc3": 0,
"mPriceMin": 0,
"mFifoUnitCost": 0,
"mMaUnitCost": 0,
"mWaUnitCost": 0,
"mLastUnitCost": 0,
"mReplacementCost": 0,
"mReceivingPrice": 450,
"mReceivingStatus": "",
"mReceivingQty": 2,
"mReceivingRemarks": "",
"colSerial": [],
"colSerialObj": [],
"mDescription1": "",
"mDescription2": "",
"mUnitPriceQuoted3": 0,
"mImage": 0,
"whtTaxType": "",
"whtTaxCode": "",
"whtTaxRate": 0,
"whtTaxAmount": 0,
"whtTaxBalance": 0,
"whtFilingDate": "Jan 1, 0001 12:00:00 AM",
"whtFilingCycle": "",
"vecSerialNumberDelta": [],
"mBomId": 0,
"mPackageGroup": "",
"mCurrency2": "",
"mUnitPriceQuoted2": 0,
"mStockReqId": 0,
"taxCode": "",
"taxType": "",
"taxRate": 0,
"taxAmt": 0,
"taxAmt2": 0,
"mUnitPriceRecommended2": 0,
"taxOption": "",
"uom": "EA",
"uomRatio": 0,
"date_expected_delivery": "Nov 16, 2013 12:00:00 AM",
"codeProject": "",
"codeDepartment": "",
"vecLabels": [],
"label_id": 0,
"remoteStatus": "",
"unitDiscount": 0,
"unitDiscount2": 0,
"vecDiscountElement": []
}