diff --git a/doc/sphinx/source/dm.ds_web_service.api.rst b/doc/sphinx/source/dm.ds_web_service.api.rst
new file mode 100644
index 0000000000000000000000000000000000000000..da6ab6d5d262a95a233672798ea16191e8fa2d8a
--- /dev/null
+++ b/doc/sphinx/source/dm.ds_web_service.api.rst
@@ -0,0 +1,12 @@
+.. automodule:: dm.ds_web_service.api
+
+.. currentmodule:: dm.ds_web_service.api
+
+ExperimentDsApi
+-----------------
+
+.. autoclass:: dm.ds_web_service.api.experimentDsApi.ExperimentDsApi()
+    :show-inheritance: 
+    :members:  __init__, getExperimentTypes, getExperiments
+
+
diff --git a/doc/sphinx/source/index.rst b/doc/sphinx/source/index.rst
index d7220f53355315c8812f0e9bc38bea52a622de8b..ea388478339cfa72c746851040b3d5fcd8534a95 100644
--- a/doc/sphinx/source/index.rst
+++ b/doc/sphinx/source/index.rst
@@ -12,6 +12,7 @@ The `dm` package contains python APIs for accessing Data Management services.
    :maxdepth: 4
    :caption: Contents:
 
+   dm.ds_web_service.api
    dm.daq_web_service.api
    dm.aps_bss.api
 
diff --git a/src/python/dm/daq_web_service/api/experimentDaqApi.py b/src/python/dm/daq_web_service/api/experimentDaqApi.py
index 4dc9f83fd253d3308f6db22efa8557159d076262..802ebf5ee0d71d8b6452747bb7839a8b10e43474 100755
--- a/src/python/dm/daq_web_service/api/experimentDaqApi.py
+++ b/src/python/dm/daq_web_service/api/experimentDaqApi.py
@@ -38,7 +38,7 @@ class ExperimentDaqApi(DaqRestApi):
         :param protocol: DM service protocol
         :type protocol: str
 
-        >>> api = ExperimentDaqApi(username='dm', password='XYZ', host='bluegill1', port=22236, protocol='https')
+        >>> api = ExperimentDaqApi(username='dm', password='XYZ', host='bluegill1', port=33336, protocol='https')
         '''
 
         DaqRestApi.__init__(self, username, password, host, port, protocol)
diff --git a/src/python/dm/ds_web_service/api/experimentDsApi.py b/src/python/dm/ds_web_service/api/experimentDsApi.py
index cf2314f3a3385613911c8810835f42db020c309f..f898f86612b40b97b1818d4c88d529f580d7f6c7 100755
--- a/src/python/dm/ds_web_service/api/experimentDsApi.py
+++ b/src/python/dm/ds_web_service/api/experimentDsApi.py
@@ -10,18 +10,70 @@ from dm.common.objects.experimentType import ExperimentType
 from dsRestApi import DsRestApi
 
 class ExperimentDsApi(DsRestApi):
+    '''
+    Data Management API for accessing experiment interface provided by the
+    DS service.
+    '''
     
     def __init__(self, username=None, password=None, host=None, port=None, protocol=None):
+        '''
+        Constructor.
+
+        :param username: DM username
+        :type username: str
+
+        :param password: DM password
+        :type password: str
+
+        :param host: DM service host
+        :type host: str
+
+        :param port: DM service port
+        :type port: int
+
+        :param protocol: DM service protocol
+        :type protocol: str
+
+        >>> api = ExperimentDsApi(username='dm', password='XYZ', host='bluegill1', port=22236, protocol='https')
+        '''
         DsRestApi.__init__(self, username, password, host, port, protocol)
 
-    @DsRestApi.execute
+    @DsRestApi.execute2
     def getExperimentTypes(self):
+        '''
+        Get list of allowed experiment types.
+
+        :returns: list of ExperimentType objects
+
+        :raises AuthorizationError: in case user is not logged in
+
+        :raises DmException: in case of any other errors
+
+        >>> experimentTypeList = api.getExperimentTypes()
+        >>> for experimentType in experimentTypeList:
+        >>>     print experimentType['id'], experimentType['name']
+        '''
+
         url = '%s/experimentTypes' % (self.getContextRoot())
         responseData = self.sendSessionRequest(url=url, method='GET')
         return self.toDmObjectList(responseData, ExperimentType)
 
-    @DsRestApi.execute
+    @DsRestApi.execute2
     def getExperiments(self):
+        '''
+        Get list of known experiments.
+
+        :returns: list of Experiment objects
+
+        :raises AuthorizationError: in case user does not have DM administrator role
+
+        :raises DmException: in case of any other errors
+
+        >>> experimentList = api.getExperiments()
+        >>> for experiment in experimentList:
+        >>>     print experiment['id'], experiment['name']
+        '''
+
         url = '%s/experiments' % (self.getContextRoot())
         responseData = self.sendSessionRequest(url=url, method='GET')
         return self.toDmObjectList(responseData, Experiment)