diff --git a/kdb-bot/src/bot_api/controller/gui_controller.py b/kdb-bot/src/bot_api/controller/gui_controller.py
index dccc2099b6..d956e90099 100644
--- a/kdb-bot/src/bot_api/controller/gui_controller.py
+++ b/kdb-bot/src/bot_api/controller/gui_controller.py
@@ -4,8 +4,10 @@ from cpl_core.configuration import ConfigurationABC
 from cpl_core.environment import ApplicationEnvironmentABC
 from cpl_core.mailing import EMail, EMailClientABC, EMailClientSettings
 from cpl_translation import TranslatePipe
+from flask import jsonify
 
 from bot_api.api import Api
+from bot_api.configuration.authentication_settings import AuthenticationSettings
 from bot_api.logging.api_logger import ApiLogger
 from bot_api.model.settings_dto import SettingsDTO
 from bot_api.model.version_dto import VersionDTO
@@ -23,7 +25,8 @@ class GuiController:
             t: TranslatePipe,
             api: Api,
             mail_settings: EMailClientSettings,
-            mailer: EMailClientABC
+            mailer: EMailClientABC,
+            auth_settings: AuthenticationSettings
     ):
         self._config = config
         self._env = env
@@ -32,6 +35,7 @@ class GuiController:
         self._api = api
         self._mail_settings = mail_settings
         self._mailer = mailer
+        self._auth_settings = auth_settings
 
     @Route.get(f'{BasePath}/api-version')
     async def api_version(self):
@@ -42,29 +46,27 @@ class GuiController:
     @Route.get(f'{BasePath}/settings')
     @Route.authorize
     async def settings(self):
-        # TODO: Authentication
         import bot_api
         version = bot_api.version_info
 
-        return SettingsDTO(
+        return jsonify(SettingsDTO(
             '',
             VersionDTO(version.major, version.minor, version.micro),
             os.path.abspath(os.path.join(self._env.working_directory, 'config')),
-            '',
             '/',
-            0,
-            0,
+            '/',
+            self._auth_settings.token_expire_time,
+            self._auth_settings.refresh_token_expire_time,
             self._mail_settings.user_name,
             self._mail_settings.port,
             self._mail_settings.host,
             self._mail_settings.user_name,
             self._mail_settings.user_name,
-        ).to_dict()
+        ).to_dict())
 
-    @Route.get(f'{BasePath}/send-test-mail/<email>')
+    @Route.post(f'{BasePath}/send-test-mail/<email>')
     @Route.authorize
     async def send_test_mail(self, email: str):
-        # TODO: Authentication
         mail = EMail()
         mail.add_header('Mime-Version: 1.0')
         mail.add_header('Content-Type: text/plain; charset=utf-8')
@@ -73,3 +75,4 @@ class GuiController:
         mail.subject = self._t.transform('api.api.test_mail.subject')
         mail.body = self._t.transform('api.api.test_mail.message').format(self._env.host_name, self._env.environment_name)
         self._mailer.send_mail(mail)
+        return '', 200
diff --git a/kdb-bot/src/bot_api/model/settings_dto.py b/kdb-bot/src/bot_api/model/settings_dto.py
index 567f393126..09df375cf4 100644
--- a/kdb-bot/src/bot_api/model/settings_dto.py
+++ b/kdb-bot/src/bot_api/model/settings_dto.py
@@ -53,7 +53,7 @@ class SettingsDTO(DtoABC):
     def to_dict(self) -> dict:
         return {
             'webVersion': self._web_version,
-            'apiVersion': self._api_version.to_dict(),
+            'apiVersion': self._api_version.str,
             'configPath': self._config_path,
             'webBaseURL': self._web_base_url,
             'apiBaseURL': self._api_base_url,
diff --git a/kdb-bot/src/bot_api/model/version_dto.py b/kdb-bot/src/bot_api/model/version_dto.py
index c1504478e9..c15413a0ee 100644
--- a/kdb-bot/src/bot_api/model/version_dto.py
+++ b/kdb-bot/src/bot_api/model/version_dto.py
@@ -14,6 +14,22 @@ class VersionDTO(DtoABC):
         self._minor = minor
         self._micro = micro
 
+    @property
+    def major(self) -> str:
+        return self._major
+
+    @property
+    def minor(self) -> str:
+        return self._minor
+
+    @property
+    def micro(self) -> str:
+        return self._micro
+
+    @property
+    def str(self) -> str:
+        return f'{self._major}.{self._minor}.{self._micro}'
+
     def from_dict(self, values: dict):
         self._major = values['major']
         self._minor = values['minor']