public static void sendPayantInvoice(String invoiceReferenceCode, final OnSendInvoiceListener onSendInvoiceListener) {
        Call<OperationStatus> sendPayantInvoiceCall = payantApiService.sendInvoice(Headers.contentType(), Headers.authorization(), invoiceReferenceCode);

        sendPayantInvoiceCall.enqueue(new Callback<OperationStatus>() {
            @Override