diff --git a/pinaxcon/registrasion/views.py b/pinaxcon/registrasion/views.py
new file mode 100644
index 0000000000000000000000000000000000000000..636707cc59cd822a8fdaaaeee75cd7c6605aefea
--- /dev/null
+++ b/pinaxcon/registrasion/views.py
@@ -0,0 +1,47 @@
+from django.conf import settings
+from django.contrib.auth.decorators import login_required
+from django.contrib import messages
+from django.core.exceptions import ObjectDoesNotExist
+from django.core.exceptions import ValidationError
+from django.http import Http404
+from django.shortcuts import get_object_or_404
+from django.shortcuts import redirect
+from django.shortcuts import render
+
+from registrasion import models as rego
+from registrasion.controllers.invoice import InvoiceController
+
+import models
+
+
+def demopay(request, invoice_id, access_code):
+    ''' Marks the invoice with the given invoice id as paid.
+    '''
+    invoice_id = int(invoice_id)
+    inv = get_object_or_404(rego.Invoice.objects,pk=invoice_id)
+
+    invoice = InvoiceController(inv)
+
+    if not invoice.can_view(user=request.user, access_code=access_code):
+        raise Http404()
+
+    to_invoice = redirect("invoice", invoice.invoice.id, access_code)
+
+    try:
+        invoice.validate_allowed_to_pay()  # Verify that we're allowed to do this.
+    except ValidationError as ve:
+        messages.error(request, ve.message)
+        return to_invoice
+
+    # Create the payment object
+    models.DemoPayment.objects.create(
+        invoice=invoice.invoice,
+        reference="Demo payment by user: " + request.user.username,
+        amount=invoice.invoice.value,
+    )
+
+    invoice.update_status()
+
+    messages.success(request, "This invoice was successfully paid.")
+
+    return to_invoice