Error Message 1 from API Call: The remote server returned an error: (500) Internal Server Error.


This is the JSON Result to test  availability of the API
{
    "IsPinRequired": true,
    "AuditRequired": false,
    "DT": "2018-04-18T20:40:09.2856317+12:00",
    "LastInvoiceNumber": "N32KGEX4-N32KGEX4-610",
    "ProtocolVersion": "2",
    "SecureElementVersion": "1.0.0.0",
    "HardwareVersion": "105744726F44A4736123A50DB854323D",
    "SoftwareVersion": "2.0.60.01",
    "DeviceSerialNumber": "01-2060-f1070fac9c56410a92f0706799edb548",
    "NRMSSC": 0,
    "MSSC": [],
    "NRGSC": 0,
    "GSC": [
        "0100",
        "1300",
        "0220"
    ]
}

This is the JSON to sign the invoice
{
    "DateAndTimeOfIssue": "2018-04-18T08:40:05.177Z",
    "Cashier": "00100 [04-24334-0-8]",
    "BD": "",
    "BuyerCostCenterId": "",
    "IT": 0,
    "TT": 0,
    "PaymentType": 0,
    "InvoiceNumber": "LTTX0000517316",
    "ReferentDocumentNumber": null,
    "Options": {
        "OmitTextualRepresentation": "0",
        "OmitQRCodeGen": "0"
    },
    "Items": [
        {
            "GTIN": null,
            "Name": "Check Out Bag",
            "Quantity": 1,
            "Discount": 0,
            "Labels": [
                "P"
            ],
            "TotalAmount": 0.1
        }
    ]
}


===============================
Error Message 2 from API Call: The remote server returned an error: (400) Bad Request.

This is the JSON Result to test  availability of the API
{
    "IsPinRequired": true,
    "AuditRequired": false,
    "DT": "2018-04-18T16:23:22.1979585+12:00",
    "LastInvoiceNumber": "N3S6ULR3-N3S6ULR3-117",
    "ProtocolVersion": "2",
    "SecureElementVersion": "1.0.0.0",
    "HardwareVersion": "105743746FC4CEBD2000A50D81A13226",
    "SoftwareVersion": "2.0.60.01",
    "DeviceSerialNumber": "01-2060-1f873c2ca2dd44108efd82737b3defef",
    "NRMSSC": 0,
    "MSSC": [],
    "NRGSC": 0,
    "GSC": [
        "1500",
        "1300",
        "0220"
    ]
}


This is the JSON Result to test  availability of the API
{
    "DateAndTimeOfIssue": "2018-04-18T04:23:41.687Z",
    "Cashier": "00037 [03-32848-0-6]",
    "BD": "",
    "BuyerCostCenterId": "",
    "IT": 0,
    "TT": 0,
    "PaymentType": 0,
    "InvoiceNumber": "LTTX0000516192",
    "ReferentDocumentNumber": null,
    "Options": {
        "OmitTextualRepresentation": "0",
        "OmitQRCodeGen": "0"
    },
    "Items": [
        {
            "GTIN": null,
            "Name": "Wrigleys Cool Air 3.4G",
            "Quantity": 1,
            "Discount": 0,
            "Labels": [
                "A"
            ],
            "TotalAmount": 0.19
        }
    ]
}