diff --git a/eopayment/__init__.py b/eopayment/__init__.py
index 2d47bf1..4f3a039 100644
--- a/eopayment/__init__.py
+++ b/eopayment/__init__.py
@@ -103,7 +103,7 @@ class Payment(object):
         '''
         return self.backend.request(amount, **kwargs)
 
-    def response(self, query_string):
+    def response(self, query_string, **kwargs):
         '''
           Process a response from the Bank API. It must be used on the URL
           where the user browser of the payment server is going to post the
@@ -136,4 +136,4 @@ class Payment(object):
              your site as a web service.
 
         '''
-        return self.backend.response(query_string)
+        return self.backend.response(query_string, **kwargs)
diff --git a/eopayment/dummy.py b/eopayment/dummy.py
index bfb073a..8c0f367 100644
--- a/eopayment/dummy.py
+++ b/eopayment/dummy.py
@@ -96,7 +96,7 @@ class Payment(PaymentCommon):
         url = '%s?%s' % (SERVICE_URL, urllib.urlencode(query))
         return transaction_id, URL, url
 
-    def response(self, query_string, logger=LOGGER):
+    def response(self, query_string, logger=LOGGER, **kwargs):
         form = parse_qs(query_string)
         transaction_id = form.get('transaction_id',[''])[0]
         form[self.BANK_ID] = transaction_id
diff --git a/eopayment/ogone.py b/eopayment/ogone.py
index 4ccb2f9..1bfdcb4 100644
--- a/eopayment/ogone.py
+++ b/eopayment/ogone.py
@@ -506,7 +506,7 @@ class Payment(PaymentCommon):
                          'value': params[key]} for key in params])
         return reference, FORM, form
 
-    def response(self, query_string):
+    def response(self, query_string, **kwargs):
         params = urlparse.parse_qs(query_string, True)
         params = dict((key.upper(), params[key][0]) for key in params)
         reference = params['ORDERID']
diff --git a/eopayment/sips.py b/eopayment/sips.py
index da3fcca..028a8f6 100644
--- a/eopayment/sips.py
+++ b/eopayment/sips.py
@@ -150,7 +150,7 @@ class Payment(PaymentCommon):
         else:
             raise RuntimeError('sips/request returned -1: %s' % error)
 
-    def response(self, query_string):
+    def response(self, query_string, **kwargs):
         form = urlparse.parse_qs(query_string)
         params = {'message': form[DATA][0]}
         result = self.execute('response', params)
diff --git a/eopayment/spplus.py b/eopayment/spplus.py
index 05fbbfb..57e1e5c 100644
--- a/eopayment/spplus.py
+++ b/eopayment/spplus.py
@@ -154,7 +154,7 @@ next_url=%s' % (amount, email, next_url))
         logger.debug('full url %s' % url)
         return reference, URL, url
 
-    def response(self, query_string, logger=LOGGER):
+    def response(self, query_string, logger=LOGGER, **kwargs):
         form = urlparse.parse_qs(query_string)
         for key, value in form.iteritems():
             form[key] = value[0]
diff --git a/eopayment/systempayv2.py b/eopayment/systempayv2.py
index 05d4a8e..f1786da 100644
--- a/eopayment/systempayv2.py
+++ b/eopayment/systempayv2.py
@@ -309,7 +309,7 @@ class Payment(PaymentCommon):
         self.logger.debug('%s transaction id: %s', __name__, transaction_id)
         return transaction_id, URL, url
 
-    def response(self, query_string):
+    def response(self, query_string, **kwargs):
         fields = urlparse.parse_qs(query_string, True)
         for key, value in fields.iteritems():
             fields[key] = value[0]
diff --git a/eopayment/tipi.py b/eopayment/tipi.py
index 3372efe..7bb5aaf 100644
--- a/eopayment/tipi.py
+++ b/eopayment/tipi.py
@@ -121,7 +121,7 @@ class Payment(PaymentCommon):
         url = '%s?%s' % (self.service_url, urlencode(params))
         return transaction_id, URL, url
 
-    def response(self, query_string):
+    def response(self, query_string, **kwargs):
         fields = parse_qs(query_string, True)
         for key, value in fields.iteritems():
             fields[key] = value[0]