diff --git a/trovebox/api/api_action.py b/trovebox/api/api_action.py
index a0f586c..f6b571e 100644
--- a/trovebox/api/api_action.py
+++ b/trovebox/api/api_action.py
@@ -3,12 +3,10 @@ api_action.py : Trovebox Action API Classes
 """
 from trovebox.objects.action import Action
 from trovebox.objects.photo import Photo
+from .api_base import ApiBase
 
-class ApiAction(object):
+class ApiAction(ApiBase):
     """ Definitions of /action/ API endpoints """
-    def __init__(self, client):
-        self._client = client
-
     def create(self, target, target_type=None, **kwds):
         """
         Create a new action and return it.
diff --git a/trovebox/api/api_album.py b/trovebox/api/api_album.py
index 4326816..f767c8f 100644
--- a/trovebox/api/api_album.py
+++ b/trovebox/api/api_album.py
@@ -3,23 +3,18 @@ api_album.py : Trovebox Album API Classes
 """
 from trovebox.objects.album import Album
 from trovebox import http
+from .api_base import ApiBase
 
-class ApiAlbums(object):
+class ApiAlbums(ApiBase):
     """ Definitions of /albums/ API endpoints """
-    def __init__(self, client):
-        self._client = client
-
     def list(self, **kwds):
         """ Return a list of Album objects """
         albums = self._client.get("/albums/list.json", **kwds)["result"]
         albums = http.result_to_list(albums)
         return [Album(self._client, album) for album in albums]
 
-class ApiAlbum(object):
+class ApiAlbum(ApiBase):
     """ Definitions of /album/ API endpoints """
-    def __init__(self, client):
-        self._client = client
-
     def create(self, name, **kwds):
         """ Create a new album and return it"""
         result = self._client.post("/album/create.json",
diff --git a/trovebox/api/api_base.py b/trovebox/api/api_base.py
new file mode 100644
index 0000000..3e906be
--- /dev/null
+++ b/trovebox/api/api_base.py
@@ -0,0 +1,8 @@
+"""
+api_base.py: Base class for all API classes
+"""
+
+class ApiBase(object):
+    def __init__(self, client):
+        self._client = client
+
diff --git a/trovebox/api/api_photo.py b/trovebox/api/api_photo.py
index b5f8512..e83e74e 100644
--- a/trovebox/api/api_photo.py
+++ b/trovebox/api/api_photo.py
@@ -6,6 +6,7 @@ import base64
 from trovebox import http
 from trovebox.errors import TroveboxError
 from trovebox.objects.photo import Photo
+from .api_base import ApiBase
 
 def extract_ids(photos):
     """
@@ -20,11 +21,8 @@ def extract_ids(photos):
             ids.append(photo)
     return ids
 
-class ApiPhotos(object):
+class ApiPhotos(ApiBase):
     """ Definitions of /photos/ API endpoints """
-    def __init__(self, client):
-        self._client = client
-
     def list(self, **kwds):
         """ Returns a list of Photo objects """
         photos = self._client.get("/photos/list.json", **kwds)["result"]
@@ -55,11 +53,8 @@ class ApiPhotos(object):
             raise TroveboxError("Delete response returned False")
         return True
 
-class ApiPhoto(object):
+class ApiPhoto(ApiBase):
     """ Definitions of /photo/ API endpoints """
-    def __init__(self, client):
-        self._client = client
-
     def delete(self, photo, **kwds):
         """
         Delete a photo.
diff --git a/trovebox/api/api_tag.py b/trovebox/api/api_tag.py
index acd6fca..dd11b15 100644
--- a/trovebox/api/api_tag.py
+++ b/trovebox/api/api_tag.py
@@ -3,23 +3,18 @@ api_tag.py : Trovebox Tag API Classes
 """
 from trovebox import http
 from trovebox.objects.tag import Tag
+from .api_base import ApiBase
 
-class ApiTags(object):
+class ApiTags(ApiBase):
     """ Definitions of /tags/ API endpoints """
-    def __init__(self, client):
-        self._client = client
-
     def list(self, **kwds):
         """ Returns a list of Tag objects """
         tags = self._client.get("/tags/list.json", **kwds)["result"]
         tags = http.result_to_list(tags)
         return [Tag(self._client, tag) for tag in tags]
 
-class ApiTag(object):
+class ApiTag(ApiBase):
     """ Definitions of /tag/ API endpoints """
-    def __init__(self, client):
-        self._client = client
-
     def create(self, tag, **kwds):
         """
         Create a new tag.