@HttpPost
    global static ID createInvoice (
        String customerId,
        String addressId,
        String invoiceId,
        String invoiceType,
        String invoiceTypeLocalized,
        String invoiceDate,
        String paymentDueDate,
        String invoiceNumber,
        String startDate,
        String endDate,
        String periodDescription,
        Decimal amount,
        Decimal vatAmount,
        Decimal totalAmount
    ) {
        invoice__c thisinvoice = new invoice__c (
            customerId__c = customerId,
            addressId__c = addressId,
            invoiceId__c = invoiceId,
            invoiceType__c = invoiceType,
            invoiceTypeLocalized__c = invoiceTypeLocalized,
            invoiceDate__c = Date.valueOf(invoiceDate.replace('T',' ')),
            paymentDueDate__c = Date.valueOf(paymentDueDate.replace('T',' ')),
            invoiceNumber__c = invoiceNumber,
            startDate__c = Date.valueOf(startDate.replace('T',' ')),
            endDate__c = Date.valueOf(endDate.replace('T',' ')),
            periodDescription__c = periodDescription,
            amount__c = amount,
            vatAmount__c = vatAmount,
            totalAmount__c = totalAmount
        );
        insert thisInvoice;
        return thisInvoice.Id;
    }