diff --git a/README.rst b/README.rst
index e69de29..f909919 100644
--- a/README.rst
+++ b/README.rst
@@ -0,0 +1,19 @@
+This is a python module for interfacing the "Internetmarke" API provided
+by the German postal company "Deutsche Post".  It implements V3 of this
+API.
+
+The Internetmarke API allwos you to buy online franking for national and
+international postal products like post cardsd and letters of all weight
+classes and service classes (normal, registered, ...).
+
+In order to use this module, you will need to be registered with
+Deutsche Post for accessing the "1C4A Webservice".  You can request
+related details from pcf-1click@deutschepost.de.  Upon registration,
+you will recevie your individual parameters PARTNER_ID, KEY and
+KEY_PHASE.
+
+Furthermore, for actual payment of purchases made via this API, you will
+need the user name (email address) and password to a "Portokasse"
+acount.
+
+This module makes use of the farily new "zeep" module for SOAP/WSDL.