diff --git a/glances/__init__.py b/glances/__init__.py
index da642a3b..23bbd18c 100644
--- a/glances/__init__.py
+++ b/glances/__init__.py
@@ -21,6 +21,7 @@ import sys
 # Version should start and end with a numerical char
 # See https://packaging.python.org/specifications/core-metadata/#version
 __version__ = '4.0.0_beta01'
+__apiversion__ = '4'
 __author__ = 'Nicolas Hennion <nicolas@nicolargo.com>'
 __license__ = 'LGPLv3'
 
diff --git a/glances/outputs/glances_restful_api.py b/glances/outputs/glances_restful_api.py
index f4dfde6d..a0c994e6 100644
--- a/glances/outputs/glances_restful_api.py
+++ b/glances/outputs/glances_restful_api.py
@@ -18,10 +18,9 @@ import socket
 from urllib.parse import urljoin
 
 # Replace typing_extensions by typing when Python 3.8 support will be dropped
-# from typing import Annotated
-from typing_extensions import Annotated
+from typing import Annotated
 
-from glances import __version__
+from glances import __version__, __apiversion__
 from glances.password import GlancesPassword
 from glances.timer import Timer
 from glances.logger import logger
@@ -51,7 +50,7 @@ security = HTTPBasic()
 class GlancesRestfulApi(object):
     """This class manages the Restful API server."""
 
-    API_VERSION = '4'
+    API_VERSION = __apiversion__
 
     def __init__(self, config=None, args=None):
         # Init config
diff --git a/glances/outputs/glances_stdout_apidoc.py b/glances/outputs/glances_stdout_apidoc.py
index 1857be78..908b4b16 100644
--- a/glances/outputs/glances_stdout_apidoc.py
+++ b/glances/outputs/glances_stdout_apidoc.py
@@ -13,12 +13,12 @@ from pprint import pformat
 import json
 import time
 
-from glances.outputs.glances_restful_api import GlancesRestfulApi
+from glances import __apiversion__
 from glances.logger import logger
 from glances.globals import iteritems
 
 
-API_URL = "http://localhost:61208/api/{api_version}".format(api_version=GlancesRestfulApi.API_VERSION)
+API_URL = "http://localhost:61208/api/{api_version}".format(api_version=__apiversion__)
 
 APIDOC_HEADER = """\
 .. _api:
@@ -65,7 +65,7 @@ It is possible to change the Web UI refresh rate (default is 2 seconds) using th
 ``http://localhost:61208/glances/?refresh=5``
 
 """.format(
-    api_version=GlancesRestfulApi.API_VERSION
+    api_version=__apiversion__
 )
 
 
diff --git a/glances/standalone.py b/glances/standalone.py
index a1e62e59..c90b927c 100644
--- a/glances/standalone.py
+++ b/glances/standalone.py
@@ -12,8 +12,9 @@
 import sys
 import time
 
-from glances.globals import WINDOWS
 from glances.logger import logger
+
+from glances.globals import WINDOWS
 from glances.processes import glances_processes
 from glances.stats import GlancesStats
 from glances.outputs.glances_curses import GlancesCursesStandalone