diff --git a/modoboa/core/api/__init__.py b/modoboa/core/api/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/modoboa/core/api/v1/__init__.py b/modoboa/core/api/v1/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/modoboa/core/api/v1/serializers.py b/modoboa/core/api/v1/serializers.py
new file mode 100644
index 000000000..0e0256857
--- /dev/null
+++ b/modoboa/core/api/v1/serializers.py
@@ -0,0 +1,23 @@
+"""Core API serializers."""
+
+from django.utils.translation import ugettext as _
+
+from rest_framework import serializers
+
+
+class CheckTFASetupSerializer(serializers.Serializer):
+    """Serializer used to finalize 2FA setup."""
+
+    pin_code = serializers.CharField()
+
+    def validate_pin_code(self, value):
+        device = self.context["user"].totpdevice_set.first()
+        if not device.verify_token(value):
+            raise serializers.ValidationError(_("Invalid PIN code"))
+        return value
+
+    def validate(self, data):
+        user = self.context["user"]
+        if user.tfa_enabled or user.staticdevice_set.exists():
+            raise serializers.ValidationError(_("2FA is already enabled"))
+        return data
diff --git a/modoboa/core/api/v1/urls.py b/modoboa/core/api/v1/urls.py
new file mode 100644
index 000000000..7d6f3b803
--- /dev/null
+++ b/modoboa/core/api/v1/urls.py
@@ -0,0 +1,11 @@
+"""Core API urls."""
+
+from rest_framework import routers
+
+from . import viewsets
+
+
+router = routers.SimpleRouter()
+router.register(r"account", viewsets.AccountViewSet, basename="account")
+
+urlpatterns = router.urls
diff --git a/modoboa/core/viewsets.py b/modoboa/core/api/v1/viewsets.py
similarity index 82%
rename from modoboa/core/viewsets.py
rename to modoboa/core/api/v1/viewsets.py
index a7305f0be..1014c2e4d 100644
--- a/modoboa/core/viewsets.py
+++ b/modoboa/core/api/v1/viewsets.py
@@ -9,9 +9,6 @@ from rest_framework import permissions, response, viewsets
 from rest_framework.decorators import action
 from drf_spectacular.utils import extend_schema
 
-from modoboa.admin import serializers as admin_serializers
-
-from . import models
 from . import serializers
 
 
@@ -23,12 +20,6 @@ class AccountViewSet(viewsets.ViewSet):
 
     permission_classes = (permissions.IsAuthenticated, )
 
-    @action(methods=["get"], detail=False)
-    def me(self, request):
-        """Return information about connected user."""
-        serializer = admin_serializers.AccountSerializer(request.user)
-        return response.Response(serializer.data)
-
     @action(methods=["post"], detail=False, url_path="tfa/setup")
     def tfa_setup(self, request):
         """Initiate TFA setup."""
@@ -84,14 +75,3 @@ class AccountViewSet(viewsets.ViewSet):
         return response.Response({
             "tokens": device.token_set.all().values_list("token", flat=True)
         })
-
-
-class LogViewSet(viewsets.ReadOnlyModelViewSet):
-    """Log viewset."""
-
-    permission_classes = (
-        permissions.IsAuthenticated,
-        permissions.DjangoModelPermissions,
-    )
-    queryset = models.Log.objects.all()
-    serializer_class = serializers.LogSerializer
diff --git a/modoboa/core/api/v2/__init__.py b/modoboa/core/api/v2/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/modoboa/core/serializers.py b/modoboa/core/api/v2/serializers.py
similarity index 88%
rename from modoboa/core/serializers.py
rename to modoboa/core/api/v2/serializers.py
index e148c8acf..846d458f8 100644
--- a/modoboa/core/serializers.py
+++ b/modoboa/core/api/v2/serializers.py
@@ -1,4 +1,4 @@
-"""Core API serializers."""
+"""Core API v2 serializers."""
 
 from django.utils import formats
 from django.utils.translation import ugettext_lazy, ugettext as _
@@ -9,8 +9,8 @@ from rest_framework import serializers
 
 from modoboa.lib import fields as lib_fields
 
-from . import constants
-from . import models
+from ... import constants
+from ... import models
 
 
 class CoreGlobalParametersSerializer(serializers.Serializer):
@@ -140,21 +140,3 @@ class LogSerializer(serializers.ModelSerializer):
 
     def get_date_created(self, log) -> str:
         return formats.date_format(log.date_created, "SHORT_DATETIME_FORMAT")
-
-
-class CheckTFASetupSerializer(serializers.Serializer):
-    """Serializer used to finalize 2FA setup."""
-
-    pin_code = serializers.CharField()
-
-    def validate_pin_code(self, value):
-        device = self.context["user"].totpdevice_set.first()
-        if not device.verify_token(value):
-            raise serializers.ValidationError(_("Invalid PIN code"))
-        return value
-
-    def validate(self, data):
-        user = self.context["user"]
-        if user.tfa_enabled or user.staticdevice_set.exists():
-            raise serializers.ValidationError(_("2FA is already enabled"))
-        return data
diff --git a/modoboa/core/urls_api.py b/modoboa/core/api/v2/urls.py
similarity index 100%
rename from modoboa/core/urls_api.py
rename to modoboa/core/api/v2/urls.py
diff --git a/modoboa/core/api/v2/viewsets.py b/modoboa/core/api/v2/viewsets.py
new file mode 100644
index 000000000..6f703bc0a
--- /dev/null
+++ b/modoboa/core/api/v2/viewsets.py
@@ -0,0 +1,31 @@
+"""Core API v2 viewsets."""
+
+from rest_framework import permissions, response, viewsets
+from rest_framework.decorators import action
+
+from modoboa.admin import serializers as admin_serializers
+from modoboa.core.api.v1 import viewsets as core_v1_viewsets
+
+from ... import models
+from . import serializers
+
+
+class AccountViewSet(core_v1_viewsets.AccountViewSet):
+    """Account viewset."""
+
+    @action(methods=["get"], detail=False)
+    def me(self, request):
+        """Return information about connected user."""
+        serializer = admin_serializers.AccountSerializer(request.user)
+        return response.Response(serializer.data)
+
+
+class LogViewSet(viewsets.ReadOnlyModelViewSet):
+    """Log viewset."""
+
+    permission_classes = (
+        permissions.IsAuthenticated,
+        permissions.DjangoModelPermissions,
+    )
+    queryset = models.Log.objects.all()
+    serializer_class = serializers.LogSerializer
diff --git a/modoboa/core/apps.py b/modoboa/core/apps.py
index 8941cec8a..515174dce 100644
--- a/modoboa/core/apps.py
+++ b/modoboa/core/apps.py
@@ -13,7 +13,7 @@ def load_core_settings():
     """
     from modoboa.parameters import tools as param_tools
     from . import app_settings
-    from . import serializers
+    from .api.v2 import serializers
 
     param_tools.registry.add(
         "global", app_settings.GeneralParametersForm, ugettext_lazy("General"))
diff --git a/modoboa/dnstools/api/__init__.py b/modoboa/dnstools/api/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/modoboa/dnstools/api/v2/__init__.py b/modoboa/dnstools/api/v2/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/modoboa/dnstools/serializers.py b/modoboa/dnstools/api/v2/serializers.py
similarity index 98%
rename from modoboa/dnstools/serializers.py
rename to modoboa/dnstools/api/v2/serializers.py
index cfaf7e90d..b6f8d90c6 100644
--- a/modoboa/dnstools/serializers.py
+++ b/modoboa/dnstools/api/v2/serializers.py
@@ -4,7 +4,7 @@ from rest_framework import serializers
 
 from modoboa.admin import models as admin_models
 
-from . import models
+from ... import models
 
 
 class MXRecordSerializer(serializers.ModelSerializer):
diff --git a/modoboa/dnstools/urls_api.py b/modoboa/dnstools/api/v2/urls.py
similarity index 100%
rename from modoboa/dnstools/urls_api.py
rename to modoboa/dnstools/api/v2/urls.py
diff --git a/modoboa/dnstools/viewsets.py b/modoboa/dnstools/api/v2/viewsets.py
similarity index 100%
rename from modoboa/dnstools/viewsets.py
rename to modoboa/dnstools/api/v2/viewsets.py
diff --git a/modoboa/parameters/api/__init__.py b/modoboa/parameters/api/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/modoboa/parameters/api/v2/__init__.py b/modoboa/parameters/api/v2/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/modoboa/parameters/serializers.py b/modoboa/parameters/api/v2/serializers.py
similarity index 100%
rename from modoboa/parameters/serializers.py
rename to modoboa/parameters/api/v2/serializers.py
diff --git a/modoboa/parameters/urls_api.py b/modoboa/parameters/api/v2/urls.py
similarity index 100%
rename from modoboa/parameters/urls_api.py
rename to modoboa/parameters/api/v2/urls.py
diff --git a/modoboa/parameters/viewsets.py b/modoboa/parameters/api/v2/viewsets.py
similarity index 99%
rename from modoboa/parameters/viewsets.py
rename to modoboa/parameters/api/v2/viewsets.py
index a89f874a4..71e55401c 100644
--- a/modoboa/parameters/viewsets.py
+++ b/modoboa/parameters/api/v2/viewsets.py
@@ -5,7 +5,7 @@ from rest_framework import response, viewsets
 from rest_framework.decorators import action
 
 from . import serializers
-from . import tools
+from ... import tools
 
 
 class ParametersViewSet(viewsets.ViewSet):
diff --git a/modoboa/urls.py b/modoboa/urls.py
index 68bb04abd..2a098df62 100644
--- a/modoboa/urls.py
+++ b/modoboa/urls.py
@@ -75,8 +75,8 @@ urlpatterns += [
          name='docs-index-v2'),
     path('api/schema-v2/redoc/',
          SpectacularRedocView.as_view(url_name='schema-v2')),
-    path('api/v1/', include("modoboa.urls_api", namespace="v1")),
-    path('api/v2/', include("modoboa.urls_api", namespace="v2")),
+    path('api/v1/', include("modoboa.urls_api_v1", namespace="v1")),
+    path('api/v2/', include("modoboa.urls_api_v2", namespace="v2")),
 ]
 
 if settings.DEBUG:
diff --git a/modoboa/urls_api_v1.py b/modoboa/urls_api_v1.py
new file mode 100644
index 000000000..62a5de134
--- /dev/null
+++ b/modoboa/urls_api_v1.py
@@ -0,0 +1,16 @@
+"""External API urls."""
+
+from django.urls import include, path
+
+from modoboa.core.extensions import exts_pool
+
+app_name = "api"
+
+urlpatterns = [
+    path('', include("modoboa.core.api.v1.urls")),
+    path('', include("modoboa.admin.urls_api")),
+    path('', include("modoboa.limits.urls_api")),
+    path('', include("modoboa.relaydomains.urls_api"))
+]
+
+urlpatterns += exts_pool.get_urls(category="api")
diff --git a/modoboa/urls_api.py b/modoboa/urls_api_v2.py
similarity index 78%
rename from modoboa/urls_api.py
rename to modoboa/urls_api_v2.py
index 3b22ef40c..8886a6bd3 100644
--- a/modoboa/urls_api.py
+++ b/modoboa/urls_api_v2.py
@@ -15,12 +15,12 @@ urlpatterns = [
     path('token/', TokenObtainPairView.as_view(), name='token_obtain_pair'),
     path('token/refresh/', TokenRefreshView.as_view(),
          name='token_refresh'),
-    path('', include("modoboa.core.urls_api")),
+    path('', include("modoboa.core.api.v2.urls")),
     path('', include("modoboa.admin.urls_api")),
-    path('', include("modoboa.parameters.urls_api")),
+    path('', include("modoboa.parameters.api.v2.urls")),
     path('', include("modoboa.limits.urls_api")),
     path('', include("modoboa.relaydomains.urls_api")),
-    path('', include("modoboa.dnstools.urls_api")),
+    path('', include("modoboa.dnstools.api.v2.urls")),
 ]
 
 urlpatterns += exts_pool.get_urls(category="api")