The following are sample HTTP requests and responses.
The placeholders shown need to be replaced with actual values.
POST /csv/reply/UpdateLineItem HTTP/1.1
Host: burnets.co.nz
Content-Type: text/csv
Content-Length: length
NewQuantity,OrderLineId
0,0
HTTP/1.1 200 OK
Content-Type: text/csv
Content-Length: length
ResponseStatus,UpdatedLine
"{ErrorCode:String,Message:String,StackTrace:String,Errors:[{ErrorCode:String,FieldName:String,Message:String}]}","{OrderLineId:0,Quantity:0,Sku:String,VariantSku:String,Url:String,ImageUrl:String,Price:0,ProductName:String,Total:0,FormattedTotal:String,UnitDiscount:0,VAT:0,VATRate:0}"