username:password
Authorization: Basic *****************
{
"UUID": "string",
"InvoiceType": "string",
"InvoiceProfile": "string",
"InvoiceNumber": "string",
"EnvelopeUUID": "string",
"EnvelopeAlias": "string",
"UBLVersionID": "string",
"CustomizationID": "string",
"SendDate": "string",
"IssueDate": "string",
"CurrencyCode": "string",
"NumberOfItems": 0,
"InvoiceAmount": 0,
"TaxAmount": 0,
"AdditionalDocumentCount": 0,
"AnswerCode": "unknown"
}