Add one or more items to an existing cart
Response Code | Fault Code | Fault | Suggested User Message
------------- | ---------- | ----- | ----------------------
400 | 90035 | ItemAlreadyPurchasedFault | Item Already Purchased
404 | 90040 | NoCartFoundFault | Cart does not exist
400 | 90036 | ItemNotWithinBuyWindowFault | Item unavailable for purchase
403 | 90076 | ValidateWithProviderFailedFault | Provider {name} cannot validate the device
400 | 90023 | InvalidItemCombinationFault | Item {itemCode} cannot be added to this cart
404 | 90069 | UnknownItemCodeFault | Incorrect Item Code provided
400 | 90079 | VCNRequiredFault | No VCN Provided
400 | 90062 | UnableToAddItemsFault | Item {itemCode} cannot be added to this cart
400 | 90009 | InactiveVCNFault | Inactive VCN provided
400 | 90052 | PpvPinIncorrectFault | Incorrect PIN provided
400 | 90031 | InvalidVCNFault | Invalid VCN provided
500 | 90061 | SystemFailureFault | System Failure, please try again later
400 | 90053 | PpvPinRequiredFault | PIN required
post https://virtserver.swaggerhub.com/purchases/v1/customer//cart//add