diff --git a/supervisor/api/addons.py b/supervisor/api/addons.py
index 202658e7e..ae49afcfa 100644
--- a/supervisor/api/addons.py
+++ b/supervisor/api/addons.py
@@ -390,7 +390,7 @@ class APIAddons(CoreSysAttributes):
         return data
 
     @api_process
-    async def options_config(self, request: web.Request) -> None:
+    async def options_config(self, request: web.Request) -> dict[str, Any]:
         """Validate user options for add-on."""
         slug: str = request.match_info["addon"]
         if slug != "self":
@@ -435,11 +435,11 @@ class APIAddons(CoreSysAttributes):
         }
 
     @api_process
-    async def uninstall(self, request: web.Request) -> Awaitable[None]:
+    async def uninstall(self, request: web.Request) -> None:
         """Uninstall add-on."""
         addon = self.get_addon_for_request(request)
         body: dict[str, Any] = await api_validate(SCHEMA_UNINSTALL, request)
-        return await asyncio.shield(
+        await asyncio.shield(
             self.sys_addons.uninstall(
                 addon.slug, remove_config=body[ATTR_REMOVE_CONFIG]
             )
diff --git a/supervisor/api/backups.py b/supervisor/api/backups.py
index 3a4215a87..e3ce11e14 100644
--- a/supervisor/api/backups.py
+++ b/supervisor/api/backups.py
@@ -211,7 +211,7 @@ class APIBackups(CoreSysAttributes):
         await self.sys_backups.save_data()
 
     @api_process
-    async def reload(self, _):
+    async def reload(self, _: web.Request) -> bool:
         """Reload backup list."""
         await asyncio.shield(self.sys_backups.reload())
         return True
@@ -421,7 +421,7 @@ class APIBackups(CoreSysAttributes):
         await self.sys_backups.remove(backup, locations=locations)
 
     @api_process
-    async def download(self, request: web.Request):
+    async def download(self, request: web.Request) -> web.StreamResponse:
         """Download a backup file."""
         backup = self._extract_slug(request)
         # Query will give us '' for /backups, convert value to None
@@ -451,7 +451,7 @@ class APIBackups(CoreSysAttributes):
         return response
 
     @api_process
-    async def upload(self, request: web.Request):
+    async def upload(self, request: web.Request) -> dict[str, str] | bool:
         """Upload a backup file."""
         location: LOCATION_TYPE = None
         locations: list[LOCATION_TYPE] | None = None
diff --git a/supervisor/api/docker.py b/supervisor/api/docker.py
index 79c278450..ab66c34c2 100644
--- a/supervisor/api/docker.py
+++ b/supervisor/api/docker.py
@@ -55,7 +55,7 @@ class APIDocker(CoreSysAttributes):
     """Handle RESTful API for Docker configuration."""
 
     @api_process
-    async def info(self, request: web.Request):
+    async def info(self, request: web.Request) -> dict[str, Any]:
         """Get docker info."""
         data_registries = {}
         for hostname, registry in self.sys_docker.config.registries.items():
@@ -113,7 +113,7 @@ class APIDocker(CoreSysAttributes):
         return {ATTR_REGISTRIES: data_registries}
 
     @api_process
-    async def create_registry(self, request: web.Request):
+    async def create_registry(self, request: web.Request) -> None:
         """Create a new docker registry."""
         body = await api_validate(SCHEMA_DOCKER_REGISTRY, request)
 
@@ -123,7 +123,7 @@ class APIDocker(CoreSysAttributes):
         await self.sys_docker.config.save_data()
 
     @api_process
-    async def remove_registry(self, request: web.Request):
+    async def remove_registry(self, request: web.Request) -> None:
         """Delete a docker registry."""
         hostname = request.match_info.get(ATTR_HOSTNAME)
         if hostname not in self.sys_docker.config.registries:
diff --git a/supervisor/api/homeassistant.py b/supervisor/api/homeassistant.py
index 8fb3cb426..673869c71 100644
--- a/supervisor/api/homeassistant.py
+++ b/supervisor/api/homeassistant.py
@@ -154,7 +154,7 @@ class APIHomeAssistant(CoreSysAttributes):
         await self.sys_homeassistant.save_data()
 
     @api_process
-    async def stats(self, request: web.Request) -> dict[Any, str]:
+    async def stats(self, request: web.Request) -> dict[str, Any]:
         """Return resource information."""
         stats = await self.sys_homeassistant.core.stats()
         if not stats:
@@ -191,7 +191,7 @@ class APIHomeAssistant(CoreSysAttributes):
         return await update_task
 
     @api_process
-    async def stop(self, request: web.Request) -> Awaitable[None]:
+    async def stop(self, request: web.Request) -> None:
         """Stop Home Assistant."""
         body = await api_validate(SCHEMA_STOP, request)
         await self._check_offline_migration(force=body[ATTR_FORCE])
diff --git a/supervisor/api/host.py b/supervisor/api/host.py
index ea197bf8f..cc657e3e0 100644
--- a/supervisor/api/host.py
+++ b/supervisor/api/host.py
@@ -1,6 +1,7 @@
 """Init file for Supervisor host RESTful API."""
 
 import asyncio
+from collections.abc import Awaitable
 from contextlib import suppress
 import json
 import logging
@@ -99,7 +100,7 @@ class APIHost(CoreSysAttributes):
             )
 
     @api_process
-    async def info(self, request):
+    async def info(self, request: web.Request) -> dict[str, Any]:
         """Return host information."""
         return {
             ATTR_AGENT_VERSION: self.sys_dbus.agent.version,
@@ -128,7 +129,7 @@ class APIHost(CoreSysAttributes):
         }
 
     @api_process
-    async def options(self, request):
+    async def options(self, request: web.Request) -> None:
         """Edit host settings."""
         body = await api_validate(SCHEMA_OPTIONS, request)
 
@@ -139,7 +140,7 @@ class APIHost(CoreSysAttributes):
             )
 
     @api_process
-    async def reboot(self, request):
+    async def reboot(self, request: web.Request) -> None:
         """Reboot host."""
         body = await api_validate(SCHEMA_SHUTDOWN, request)
         await self._check_ha_offline_migration(force=body[ATTR_FORCE])
@@ -147,7 +148,7 @@ class APIHost(CoreSysAttributes):
         return await asyncio.shield(self.sys_host.control.reboot())
 
     @api_process
-    async def shutdown(self, request):
+    async def shutdown(self, request: web.Request) -> None:
         """Poweroff host."""
         body = await api_validate(SCHEMA_SHUTDOWN, request)
         await self._check_ha_offline_migration(force=body[ATTR_FORCE])
@@ -155,12 +156,12 @@ class APIHost(CoreSysAttributes):
         return await asyncio.shield(self.sys_host.control.shutdown())
 
     @api_process
-    def reload(self, request):
+    def reload(self, request: web.Request) -> Awaitable[None]:
         """Reload host data."""
         return asyncio.shield(self.sys_host.reload())
 
     @api_process
-    async def services(self, request):
+    async def services(self, request: web.Request) -> dict[str, Any]:
         """Return list of available services."""
         services = []
         for unit in self.sys_host.services:
@@ -175,7 +176,7 @@ class APIHost(CoreSysAttributes):
         return {ATTR_SERVICES: services}
 
     @api_process
-    async def list_boots(self, _: web.Request):
+    async def list_boots(self, _: web.Request) -> dict[str, Any]:
         """Return a list of boot IDs."""
         boot_ids = await self.sys_host.logs.get_boot_ids()
         return {
@@ -186,7 +187,7 @@ class APIHost(CoreSysAttributes):
         }
 
     @api_process
-    async def list_identifiers(self, _: web.Request):
+    async def list_identifiers(self, _: web.Request) -> dict[str, list[str]]:
         """Return a list of syslog identifiers."""
         return {ATTR_IDENTIFIERS: await self.sys_host.logs.get_identifiers()}
 
@@ -332,7 +333,7 @@ class APIHost(CoreSysAttributes):
         )
 
     @api_process
-    async def disk_usage(self, request: web.Request) -> dict:
+    async def disk_usage(self, request: web.Request) -> dict[str, Any]:
         """Return a breakdown of storage usage for the system."""
 
         max_depth = request.query.get(ATTR_MAX_DEPTH, 1)
diff --git a/supervisor/api/services.py b/supervisor/api/services.py
index 8903aa4dc..cb0032463 100644
--- a/supervisor/api/services.py
+++ b/supervisor/api/services.py
@@ -1,5 +1,9 @@
 """Init file for Supervisor network RESTful API."""
 
+from typing import Any
+
+from aiohttp import web
+
 from ..const import (
     ATTR_AVAILABLE,
     ATTR_PROVIDERS,
@@ -25,7 +29,7 @@ class APIServices(CoreSysAttributes):
         return service
 
     @api_process
-    async def list_services(self, request):
+    async def list_services(self, request: web.Request) -> dict[str, Any]:
         """Show register services."""
         services = []
         for service in self.sys_services.list_services:
@@ -40,7 +44,7 @@ class APIServices(CoreSysAttributes):
         return {ATTR_SERVICES: services}
 
     @api_process
-    async def set_service(self, request):
+    async def set_service(self, request: web.Request) -> None:
         """Write data into a service."""
         service = self._extract_service(request)
         body = await api_validate(service.schema, request)
@@ -50,7 +54,7 @@ class APIServices(CoreSysAttributes):
         await service.set_service_data(addon, body)
 
     @api_process
-    async def get_service(self, request):
+    async def get_service(self, request: web.Request) -> dict[str, Any]:
         """Read data into a service."""
         service = self._extract_service(request)
 
@@ -62,7 +66,7 @@ class APIServices(CoreSysAttributes):
         return service.get_service_data()
 
     @api_process
-    async def del_service(self, request):
+    async def del_service(self, request: web.Request) -> None:
         """Delete data into a service."""
         service = self._extract_service(request)
         addon = request[REQUEST_FROM]
diff --git a/supervisor/api/store.py b/supervisor/api/store.py
index ea4c77ee0..a25846826 100644
--- a/supervisor/api/store.py
+++ b/supervisor/api/store.py
@@ -349,13 +349,13 @@ class APIStore(CoreSysAttributes):
         return self._generate_repository_information(repository)
 
     @api_process
-    async def add_repository(self, request: web.Request):
+    async def add_repository(self, request: web.Request) -> None:
         """Add repository to the store."""
         body = await api_validate(SCHEMA_ADD_REPOSITORY, request)
         await asyncio.shield(self.sys_store.add_repository(body[ATTR_REPOSITORY]))
 
     @api_process
-    async def remove_repository(self, request: web.Request):
+    async def remove_repository(self, request: web.Request) -> None:
         """Remove repository from the store."""
         repository: Repository = self._extract_repository(request)
         await asyncio.shield(self.sys_store.remove_repository(repository))
diff --git a/supervisor/api/supervisor.py b/supervisor/api/supervisor.py
index 3e1dc38e3..ac8a48a09 100644
--- a/supervisor/api/supervisor.py
+++ b/supervisor/api/supervisor.py
@@ -80,7 +80,7 @@ class APISupervisor(CoreSysAttributes):
     """Handle RESTful API for Supervisor functions."""
 
     @api_process
-    async def ping(self, request):
+    async def ping(self, request: web.Request) -> bool:
         """Return ok for signal that the API is ready."""
         return True