diff --git a/qinling/api/controllers/v1/function_version.py b/qinling/api/controllers/v1/function_version.py
index cd75be88..bb07959f 100644
--- a/qinling/api/controllers/v1/function_version.py
+++ b/qinling/api/controllers/v1/function_version.py
@@ -121,3 +121,19 @@ class FunctionVersionsController(rest.RestController):
                                                 **values)
 
         return resources.FunctionVersion.from_dict(version.to_dict())
+
+    @rest_utils.wrap_wsme_controller_exception
+    @wsme_pecan.wsexpose(resources.FunctionVersions, types.uuid)
+    def get_all(self, function_id):
+        acl.enforce('function_version:get_all', context.get_ctx())
+        LOG.info("Getting function versions for function %s.", function_id)
+
+        # Getting function and versions needs to happen in a db transaction
+        with db_api.transaction():
+            func_db = db_api.get_function(function_id)
+            db_versions = func_db.versions
+
+        versions = [resources.FunctionVersion.from_dict(v.to_dict())
+                    for v in db_versions]
+
+        return resources.FunctionVersions(function_versions=versions)
diff --git a/qinling/api/controllers/v1/resources.py b/qinling/api/controllers/v1/resources.py
index decea180..37c5b11f 100644
--- a/qinling/api/controllers/v1/resources.py
+++ b/qinling/api/controllers/v1/resources.py
@@ -170,6 +170,7 @@ class Function(Resource):
     code = types.jsontype
     entry = wtypes.text
     count = wsme.wsattr(int, readonly=True)
+    latest_version = wsme.wsattr(int, readonly=True)
     project_id = wsme.wsattr(wtypes.text, readonly=True)
     created_at = wtypes.text
     updated_at = wtypes.text
@@ -186,6 +187,7 @@ class Function(Resource):
             code={'zip': True},
             entry='main',
             count=10,
+            latest_version=0,
             project_id='default',
             created_at='1970-01-01T00:00:00.000000',
             updated_at='1970-01-01T00:00:00.000000'
@@ -417,7 +419,7 @@ class Webhooks(ResourceList):
 class FunctionVersion(Resource):
     id = types.uuid
     description = wtypes.text
-    function_version = wsme.wsattr(int, readonly=True)
+    version_number = wsme.wsattr(int, readonly=True)
     project_id = wsme.wsattr(wtypes.text, readonly=True)
     created_at = wsme.wsattr(wtypes.text, readonly=True)
     updated_at = wsme.wsattr(wtypes.text, readonly=True)
diff --git a/qinling/tests/unit/api/controllers/v1/test_function_version.py b/qinling/tests/unit/api/controllers/v1/test_function_version.py
index 857811df..da3f6ff4 100644
--- a/qinling/tests/unit/api/controllers/v1/test_function_version.py
+++ b/qinling/tests/unit/api/controllers/v1/test_function_version.py
@@ -62,6 +62,12 @@ class TestFunctionVersionController(base.APITest):
             func_db = db_api.get_function(self.func_id)
             self.assertEqual(1, len(func_db.versions))
 
+        # Verify the latest function version by calling API
+        resp = self.app.get('/v1/functions/%s' % self.func_id)
+
+        self.assertEqual(200, resp.status_int)
+        self.assertEqual(1, resp.json.get('latest_version'))
+
     @mock.patch('qinling.storage.file_system.FileSystemStorage.changed_since')
     @mock.patch('qinling.utils.etcd_util.get_function_version_lock')
     def test_post_not_change(self, mock_etcd_lock, mock_changed):
@@ -91,3 +97,14 @@ class TestFunctionVersionController(base.APITest):
                                   expect_errors=True)
 
         self.assertEqual(403, resp.status_int)
+
+    def test_get_all(self):
+        db_api.increase_function_version(self.func_id, 0,
+                                         description="version 1")
+
+        resp = self.app.get('/v1/functions/%s/versions' % self.func_id)
+
+        self.assertEqual(200, resp.status_int)
+        actual = self._assert_single_item(resp.json['function_versions'],
+                                          version_number=1)
+        self.assertEqual("version 1", actual.get('description'))