diff --git a/aodh/api/app.py b/aodh/api/app.py
index 0e645291..33868d5d 100644
--- a/aodh/api/app.py
+++ b/aodh/api/app.py
@@ -54,7 +54,7 @@ def setup_app(pecan_config=PECAN_CONFIG, conf=None):
 
     # NOTE(sileht): pecan debug won't work in multi-process environment
     pecan_debug = conf.api.pecan_debug
-    if conf.api_workers != 1 and pecan_debug:
+    if conf.api.workers != 1 and pecan_debug:
         pecan_debug = False
         LOG.warning(_LW('pecan_debug cannot be enabled, if workers is > 1, '
                         'the value is overrided with False'))
@@ -73,14 +73,14 @@ def setup_app(pecan_config=PECAN_CONFIG, conf=None):
 def load_app(conf):
     # Build the WSGI app
     cfg_file = None
-    cfg_path = conf.api_paste_config
+    cfg_path = conf.api.paste_config
     if not os.path.isabs(cfg_path):
         cfg_file = conf.find_file(cfg_path)
     elif os.path.exists(cfg_path):
         cfg_file = cfg_path
 
     if not cfg_file:
-        raise cfg.ConfigFilesNotFoundError([conf.api_paste_config])
+        raise cfg.ConfigFilesNotFoundError([conf.api.paste_config])
     LOG.info("Full WSGI config used: %s" % cfg_file)
     return deploy.loadapp("config:" + cfg_file)
 
@@ -103,7 +103,7 @@ def build_server(conf):
                  {'host': host, 'port': port}))
 
     serving.run_simple(host, port,
-                       app, processes=conf.api_workers)
+                       app, processes=conf.api.workers)
 
 
 def _app():
diff --git a/aodh/opts.py b/aodh/opts.py
index f0d3cf6f..acef65be 100644
--- a/aodh/opts.py
+++ b/aodh/opts.py
@@ -30,16 +30,6 @@ def list_opts():
     return [
         ('DEFAULT',
          itertools.chain(
-             [
-                 cfg.StrOpt(
-                     'api_paste_config',
-                     default="api_paste.ini",
-                     help="Configuration file for WSGI definition of API."),
-                 cfg.IntOpt(
-                     'api_workers', default=1,
-                     min=1,
-                     help='Number of workers for aodh API server.'),
-             ],
              aodh.evaluator.OPTS,
              aodh.evaluator.gnocchi.OPTS,
              aodh.notifier.rest.OPTS,
@@ -51,6 +41,18 @@ def list_opts():
          itertools.chain(
              aodh.api.OPTS,
              [
+                 cfg.StrOpt(
+                     'paste_config',
+                     deprecated_name='api_paste_config',
+                     deprecated_group='DEFAULT',
+                     default="api_paste.ini",
+                     help="Configuration file for WSGI definition of API."),
+                 cfg.IntOpt(
+                     'workers', default=1,
+                     deprecated_name='api_workers',
+                     deprecated_group='DEFAULT',
+                     min=1,
+                     help='Number of workers for aodh API server.'),
                  cfg.BoolOpt('pecan_debug',
                              default=False,
                              help='Toggle Pecan Debug Middleware.'),
diff --git a/aodh/tests/api/test_app.py b/aodh/tests/api/test_app.py
index 74865d61..740d3811 100644
--- a/aodh/tests/api/test_app.py
+++ b/aodh/tests/api/test_app.py
@@ -32,7 +32,7 @@ class TestApp(base.BaseTestCase):
         self.CONF = self.useFixture(fixture_config.Config(conf)).conf
 
     def test_api_paste_file_not_exist(self):
-        self.CONF.set_override('api_paste_config', 'non-existent-file')
+        self.CONF.set_override('paste_config', 'non-existent-file', "api")
         with mock.patch.object(self.CONF, 'find_file') as ff:
             ff.return_value = None
             self.assertRaises(cfg.ConfigFilesNotFoundError,
@@ -46,7 +46,7 @@ class TestApp(base.BaseTestCase):
             self.CONF.set_override('debug', g_debug)
             if p_debug is not None:
                 self.CONF.set_override('pecan_debug', p_debug, group='api')
-            self.CONF.set_override('api_workers', workers)
+            self.CONF.set_override('workers', workers, 'api')
             app.setup_app(conf=self.CONF)
             args, kwargs = mocked.call_args
             self.assertEqual(expected, kwargs.get('debug'))
diff --git a/aodh/tests/api/v2/test_acl_scenarios.py b/aodh/tests/api/v2/test_acl_scenarios.py
index 20fb0782..c4def69d 100644
--- a/aodh/tests/api/v2/test_acl_scenarios.py
+++ b/aodh/tests/api/v2/test_acl_scenarios.py
@@ -92,7 +92,7 @@ class TestAPIACL(v2.FunctionalTest,
     def _make_app(self):
         self.CONF.set_override("cache", "fake.cache", 'keystone_authtoken')
         file_name = self.path_get('etc/aodh/api_paste.ini')
-        self.CONF.set_override("api_paste_config", file_name)
+        self.CONF.set_override("paste_config", file_name, "api")
         # We need the other call to prepare_service in app.py to return the
         # same tweaked conf object.
         with mock.patch('aodh.service.prepare_service') as ps:
diff --git a/aodh/tests/test_bin.py b/aodh/tests/test_bin.py
index 45501828..75569d7b 100644
--- a/aodh/tests/test_bin.py
+++ b/aodh/tests/test_bin.py
@@ -147,8 +147,8 @@ class BinApiTestCase(base.BaseTestCase):
                    "auth_strategy=noauth\n"
                    "debug=true\n"
                    "pipeline_cfg_file={0}\n"
-                   "api_paste_config={2}\n"
                    "[api]\n"
+                   "paste_config={2}\n"
                    "port={3}\n"
                    "[oslo_policy]\n"
                    "policy_file={1}\n"