diff --git a/IPython/frontend/html/notebook/handlers.py b/IPython/frontend/html/notebook/handlers.py
index 5d76b74..c156826 100644
--- a/IPython/frontend/html/notebook/handlers.py
+++ b/IPython/frontend/html/notebook/handlers.py
@@ -679,41 +679,44 @@ class NotebookHandler(IPythonHandler):
         self.set_status(204)
         self.finish()
 
-class NotebookCheckpointHandler(AuthenticatedHandler):
 
-    SUPPORTED_METHODS = ('GET', 'POST', 'PUT', 'DELETE')
+class NotebookCheckpointsHandler(AuthenticatedHandler):
+    
+    SUPPORTED_METHODS = ('GET', 'POST')
     
     @web.authenticated
     def get(self, notebook_id):
         """get lists checkpoints for a notebook"""
         nbm = self.application.notebook_manager
         checkpoints = nbm.list_checkpoints(notebook_id)
-        self.finish(checkpoints)
+        data = jsonapi.dumps(checkpoints, default=date_default)
+        self.finish(data)
     
     @web.authenticated
     def post(self, notebook_id):
+        """post creates a new checkpoint"""
+        nbm = self.application.notebook_manager
+        checkpoint = nbm.create_checkpoint(notebook_id)
+        data = jsonapi.dumps(checkpoint, default=date_default)
+        self.finish(data)
+
+
+class ModifyNotebookCheckpointsHandler(AuthenticatedHandler):
+    
+    SUPPORTED_METHODS = ('POST', 'DELETE')
+    
+    @web.authenticated
+    def post(self, notebook_id, checkpoint_id):
         """post restores a notebook from a checkpoint"""
         nbm = self.application.notebook_manager
-        checkpoint_id = self.get_argument('checkpoint', None)
         nbm.restore_checkpoint(notebook_id, checkpoint_id)
         self.set_status(204)
         self.finish()
     
     @web.authenticated
-    def put(self, notebook_id):
-        """put saves the notebook, and creates a new checkpoint"""
-        nbm = self.application.notebook_manager
-        format = self.get_argument('format', default='json')
-        name = self.get_argument('name', default=None)
-        nbm.save_notebook(notebook_id, self.request.body, name=name, format=format)
-        checkpoint = nbm.create_checkpoint(notebook_id)
-        self.finish(checkpoint)
-
-    @web.authenticated
-    def delete(self, notebook_id):
+    def delete(self, notebook_id, checkpoint_id):
         """delete clears a checkpoint for a given notebook"""
         nbm = self.application.notebook_manager
-        checkpoint_id = self.get_argument('checkpoint', None)
         nbm.delte_checkpoint(notebook_id, checkpoint_id)
         self.set_status(204)
         self.finish()
diff --git a/IPython/frontend/html/notebook/notebookapp.py b/IPython/frontend/html/notebook/notebookapp.py
index 536e480..28e5fa8 100644
--- a/IPython/frontend/html/notebook/notebookapp.py
+++ b/IPython/frontend/html/notebook/notebookapp.py
@@ -68,9 +68,9 @@ from .handlers import (LoginHandler, LogoutHandler,
     ProjectDashboardHandler, NewHandler, NamedNotebookHandler,
     MainKernelHandler, KernelHandler, KernelActionHandler, IOPubHandler, StdinHandler,
     ShellHandler, NotebookRootHandler, NotebookHandler, NotebookCopyHandler,
-    AuthenticatedFileHandler, MainClusterHandler, ClusterProfileHandler, 
-    ClusterActionHandler, FileFindHandler,
-    NotebookRedirectHandler, NotebookCheckpointHandler,
+    NotebookRedirectHandler, NotebookCheckpointsHandler, ModifyNotebookCheckpointsHandler,
+    AuthenticatedFileHandler, FileFindHandler,
+    MainClusterHandler, ClusterProfileHandler, ClusterActionHandler, 
 )
 from .nbmanager import NotebookManager
 from .filenbmanager import FileNotebookManager
@@ -105,6 +105,7 @@ _kernel_id_regex = r"(?P<kernel_id>\w+-\w+-\w+-\w+-\w+)"
 _kernel_action_regex = r"(?P<action>restart|interrupt)"
 _notebook_id_regex = r"(?P<notebook_id>\w+-\w+-\w+-\w+-\w+)"
 _notebook_name_regex = r"(?P<notebook_name>.+\.ipynb)"
+_checkpoint_id_regex = r"(?P<checkpoint_id>[\w-]+)"
 _profile_regex = r"(?P<profile>[^\/]+)" # there is almost no text that is invalid
 _cluster_action_regex = r"(?P<action>start|stop)"
 
@@ -162,7 +163,10 @@ class NotebookWebApplication(web.Application):
             (r"/kernels/%s/stdin" % _kernel_id_regex, StdinHandler),
             (r"/notebooks", NotebookRootHandler),
             (r"/notebooks/%s" % _notebook_id_regex, NotebookHandler),
-            (r"/notebooks/%s/checkpoint" % _notebook_id_regex, NotebookCheckpointHandler),
+            (r"/notebooks/%s/checkpoints" % _notebook_id_regex, NotebookCheckpointsHandler),
+            (r"/notebooks/%s/checkpoints/%s" % (_notebook_id_regex, _checkpoint_id_regex),
+                ModifyNotebookCheckpointsHandler
+            ),
             (r"/files/(.*)", AuthenticatedFileHandler, {'path' : notebook_manager.notebook_dir}),
             (r"/clusters", MainClusterHandler),
             (r"/clusters/%s/%s" % (_profile_regex, _cluster_action_regex), ClusterActionHandler),