diff --git a/homeassistant/components/mailgun/notify.py b/homeassistant/components/mailgun/notify.py
index 5ff57914be0..7bea67b596d 100644
--- a/homeassistant/components/mailgun/notify.py
+++ b/homeassistant/components/mailgun/notify.py
@@ -1,4 +1,6 @@
 """Support for the Mailgun mail notifications."""
+from __future__ import annotations
+
 import logging
 
 from pymailgunner import (
@@ -17,6 +19,8 @@ from homeassistant.components.notify import (
     BaseNotificationService,
 )
 from homeassistant.const import CONF_API_KEY, CONF_DOMAIN, CONF_RECIPIENT, CONF_SENDER
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 from . import CONF_SANDBOX, DOMAIN as MAILGUN_DOMAIN
 
@@ -33,7 +37,11 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 
-def get_service(hass, config, discovery_info=None):
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> MailgunNotificationService | None:
     """Get the Mailgun notification service."""
     data = hass.data[MAILGUN_DOMAIN]
     mailgun_service = MailgunNotificationService(
diff --git a/homeassistant/components/matrix/notify.py b/homeassistant/components/matrix/notify.py
index 197d84352df..3c90e9afbc0 100644
--- a/homeassistant/components/matrix/notify.py
+++ b/homeassistant/components/matrix/notify.py
@@ -1,4 +1,6 @@
 """Support for Matrix notifications."""
+from __future__ import annotations
+
 import voluptuous as vol
 
 from homeassistant.components.notify import (
@@ -8,7 +10,9 @@ from homeassistant.components.notify import (
     PLATFORM_SCHEMA,
     BaseNotificationService,
 )
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 from .const import DOMAIN, SERVICE_SEND_MESSAGE
 
@@ -17,7 +21,11 @@ CONF_DEFAULT_ROOM = "default_room"
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({vol.Required(CONF_DEFAULT_ROOM): cv.string})
 
 
-def get_service(hass, config, discovery_info=None):
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> MatrixNotificationService:
     """Get the Matrix notification service."""
     return MatrixNotificationService(config[CONF_DEFAULT_ROOM])
 
diff --git a/homeassistant/components/message_bird/notify.py b/homeassistant/components/message_bird/notify.py
index 9a542836011..241646918c6 100644
--- a/homeassistant/components/message_bird/notify.py
+++ b/homeassistant/components/message_bird/notify.py
@@ -1,4 +1,6 @@
 """MessageBird platform for notify component."""
+from __future__ import annotations
+
 import logging
 
 import messagebird
@@ -11,7 +13,9 @@ from homeassistant.components.notify import (
     BaseNotificationService,
 )
 from homeassistant.const import CONF_API_KEY, CONF_SENDER
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -25,7 +29,11 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 
-def get_service(hass, config, discovery_info=None):
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> MessageBirdNotificationService | None:
     """Get the MessageBird notification service."""
     client = messagebird.Client(config[CONF_API_KEY])
     try:
diff --git a/homeassistant/components/mobile_app/notify.py b/homeassistant/components/mobile_app/notify.py
index beca42aab7e..dc9f8aaedcd 100644
--- a/homeassistant/components/mobile_app/notify.py
+++ b/homeassistant/components/mobile_app/notify.py
@@ -1,4 +1,6 @@
 """Support for mobile_app push notifications."""
+from __future__ import annotations
+
 import asyncio
 from functools import partial
 from http import HTTPStatus
@@ -15,8 +17,10 @@ from homeassistant.components.notify import (
     ATTR_TITLE_DEFAULT,
     BaseNotificationService,
 )
+from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import HomeAssistantError
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 import homeassistant.util.dt as dt_util
 
 from .const import (
@@ -81,7 +85,11 @@ def log_rate_limits(hass, device_name, resp, level=logging.INFO):
     )
 
 
-async def async_get_service(hass, config, discovery_info=None):
+async def async_get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> MobileAppNotificationService:
     """Get the mobile_app notification service."""
     service = hass.data[DOMAIN][DATA_NOTIFY] = MobileAppNotificationService(hass)
     return service
diff --git a/homeassistant/components/msteams/notify.py b/homeassistant/components/msteams/notify.py
index 421b8093a8d..7a729897e76 100644
--- a/homeassistant/components/msteams/notify.py
+++ b/homeassistant/components/msteams/notify.py
@@ -1,4 +1,6 @@
 """Microsoft Teams platform for notify component."""
+from __future__ import annotations
+
 import logging
 
 import pymsteams
@@ -12,7 +14,9 @@ from homeassistant.components.notify import (
     BaseNotificationService,
 )
 from homeassistant.const import CONF_URL
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -21,7 +25,11 @@ ATTR_FILE_URL = "image_url"
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({vol.Required(CONF_URL): cv.url})
 
 
-def get_service(hass, config, discovery_info=None):
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> MSTeamsNotificationService | None:
     """Get the Microsoft Teams notification service."""
     webhook_url = config.get(CONF_URL)
 
diff --git a/homeassistant/components/mycroft/notify.py b/homeassistant/components/mycroft/notify.py
index 335eff87546..a9dd82caef1 100644
--- a/homeassistant/components/mycroft/notify.py
+++ b/homeassistant/components/mycroft/notify.py
@@ -1,14 +1,22 @@
 """Mycroft AI notification platform."""
+from __future__ import annotations
+
 import logging
 
 from mycroftapi import MycroftAPI
 
 from homeassistant.components.notify import BaseNotificationService
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 _LOGGER = logging.getLogger(__name__)
 
 
-def get_service(hass, config, discovery_info=None):
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> MycroftNotificationService:
     """Get the Mycroft notification service."""
     return MycroftNotificationService(hass.data["mycroft"])
 
diff --git a/homeassistant/components/notify_events/notify.py b/homeassistant/components/notify_events/notify.py
index 51705453edf..3eb1bbac9c9 100644
--- a/homeassistant/components/notify_events/notify.py
+++ b/homeassistant/components/notify_events/notify.py
@@ -1,4 +1,6 @@
 """Notify.Events platform for notify component."""
+from __future__ import annotations
+
 import logging
 import os.path
 
@@ -10,6 +12,8 @@ from homeassistant.components.notify import (
     BaseNotificationService,
 )
 from homeassistant.const import CONF_TOKEN
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 from .const import DOMAIN
 
@@ -33,7 +37,11 @@ ATTR_TOKEN = "token"
 _LOGGER = logging.getLogger(__name__)
 
 
-def get_service(hass, config, discovery_info=None):
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> NotifyEventsNotificationService:
     """Get the Notify.Events notification service."""
     return NotifyEventsNotificationService(hass.data[DOMAIN][CONF_TOKEN])
 
diff --git a/homeassistant/components/prowl/notify.py b/homeassistant/components/prowl/notify.py
index 837bad930f4..02d4f61f4e4 100644
--- a/homeassistant/components/prowl/notify.py
+++ b/homeassistant/components/prowl/notify.py
@@ -1,4 +1,6 @@
 """Prowl notification service."""
+from __future__ import annotations
+
 import asyncio
 from http import HTTPStatus
 import logging
@@ -14,8 +16,10 @@ from homeassistant.components.notify import (
     BaseNotificationService,
 )
 from homeassistant.const import CONF_API_KEY
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 _LOGGER = logging.getLogger(__name__)
 _RESOURCE = "https://api.prowlapp.com/publicapi/"
@@ -23,7 +27,11 @@ _RESOURCE = "https://api.prowlapp.com/publicapi/"
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({vol.Required(CONF_API_KEY): cv.string})
 
 
-async def async_get_service(hass, config, discovery_info=None):
+async def async_get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> ProwlNotificationService:
     """Get the Prowl notification service."""
     return ProwlNotificationService(hass, config[CONF_API_KEY])
 
diff --git a/homeassistant/components/pushsafer/notify.py b/homeassistant/components/pushsafer/notify.py
index 521c1b2929a..ddf4ca5ef4b 100644
--- a/homeassistant/components/pushsafer/notify.py
+++ b/homeassistant/components/pushsafer/notify.py
@@ -1,4 +1,6 @@
 """Pushsafer platform for notify component."""
+from __future__ import annotations
+
 import base64
 from http import HTTPStatus
 import logging
@@ -17,7 +19,9 @@ from homeassistant.components.notify import (
     BaseNotificationService,
 )
 from homeassistant.const import ATTR_ICON
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 _LOGGER = logging.getLogger(__name__)
 _RESOURCE = "https://www.pushsafer.com/api"
@@ -49,7 +53,11 @@ ATTR_PICTURE1_AUTH = "auth"
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({vol.Required(CONF_DEVICE_KEY): cv.string})
 
 
-def get_service(hass, config, discovery_info=None):
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> PushsaferNotificationService:
     """Get the Pushsafer.com notification service."""
     return PushsaferNotificationService(
         config.get(CONF_DEVICE_KEY), hass.config.is_allowed_path
diff --git a/homeassistant/components/rocketchat/notify.py b/homeassistant/components/rocketchat/notify.py
index 51a25d90b6e..317364b262a 100644
--- a/homeassistant/components/rocketchat/notify.py
+++ b/homeassistant/components/rocketchat/notify.py
@@ -1,4 +1,6 @@
 """Rocket.Chat notification service."""
+from __future__ import annotations
+
 from http import HTTPStatus
 import logging
 
@@ -15,7 +17,9 @@ from homeassistant.components.notify import (
     BaseNotificationService,
 )
 from homeassistant.const import CONF_PASSWORD, CONF_ROOM, CONF_URL, CONF_USERNAME
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -30,7 +34,11 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 
-def get_service(hass, config, discovery_info=None):
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> RocketChatNotificationService | None:
     """Return the notify service."""
 
     username = config.get(CONF_USERNAME)
diff --git a/homeassistant/components/sendgrid/notify.py b/homeassistant/components/sendgrid/notify.py
index e17f6ae60c4..4c47f497b36 100644
--- a/homeassistant/components/sendgrid/notify.py
+++ b/homeassistant/components/sendgrid/notify.py
@@ -1,4 +1,6 @@
 """SendGrid notification service."""
+from __future__ import annotations
+
 from http import HTTPStatus
 import logging
 
@@ -17,7 +19,9 @@ from homeassistant.const import (
     CONF_SENDER,
     CONTENT_TYPE_TEXT_PLAIN,
 )
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -36,7 +40,11 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 
-def get_service(hass, config, discovery_info=None):
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> SendgridNotificationService:
     """Get the SendGrid notification service."""
     return SendgridNotificationService(config)
 
diff --git a/homeassistant/components/sinch/notify.py b/homeassistant/components/sinch/notify.py
index 5e48f7b314d..cd37f8bf627 100644
--- a/homeassistant/components/sinch/notify.py
+++ b/homeassistant/components/sinch/notify.py
@@ -1,4 +1,6 @@
 """Support for Sinch notifications."""
+from __future__ import annotations
+
 import logging
 
 from clx.xms.api import MtBatchTextSmsResult
@@ -19,7 +21,9 @@ from homeassistant.components.notify import (
     BaseNotificationService,
 )
 from homeassistant.const import CONF_API_KEY, CONF_SENDER
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 DOMAIN = "sinch"
 
@@ -44,7 +48,11 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 
-def get_service(hass, config, discovery_info=None):
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> SinchNotificationService:
     """Get the Sinch notification service."""
     return SinchNotificationService(config)
 
diff --git a/homeassistant/components/sms/notify.py b/homeassistant/components/sms/notify.py
index 71ec04c5ef1..9d94472b1b8 100644
--- a/homeassistant/components/sms/notify.py
+++ b/homeassistant/components/sms/notify.py
@@ -1,17 +1,25 @@
 """Support for SMS notification services."""
+from __future__ import annotations
+
 import logging
 
 import gammu  # pylint: disable=import-error
 
 from homeassistant.components.notify import ATTR_DATA, BaseNotificationService
 from homeassistant.const import CONF_TARGET
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 from .const import CONF_UNICODE, DOMAIN, GATEWAY, SMS_GATEWAY
 
 _LOGGER = logging.getLogger(__name__)
 
 
-async def async_get_service(hass, config, discovery_info=None):
+async def async_get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> SMSNotificationService | None:
     """Get the SMS notification service."""
 
     if discovery_info is None:
diff --git a/homeassistant/components/smtp/notify.py b/homeassistant/components/smtp/notify.py
index 300e74a2cd6..32806889b3d 100644
--- a/homeassistant/components/smtp/notify.py
+++ b/homeassistant/components/smtp/notify.py
@@ -1,4 +1,6 @@
 """Mail (SMTP) notification service."""
+from __future__ import annotations
+
 from email.mime.application import MIMEApplication
 from email.mime.image import MIMEImage
 from email.mime.multipart import MIMEMultipart
@@ -27,8 +29,10 @@ from homeassistant.const import (
     CONF_USERNAME,
     CONF_VERIFY_SSL,
 )
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.reload import setup_reload_service
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 import homeassistant.util.dt as dt_util
 from homeassistant.util.ssl import client_context
 
@@ -72,7 +76,11 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 
-def get_service(hass, config, discovery_info=None):
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> MailNotificationService | None:
     """Get the mail notification service."""
     setup_reload_service(hass, DOMAIN, PLATFORMS)
     mail_service = MailNotificationService(
diff --git a/homeassistant/components/synology_chat/notify.py b/homeassistant/components/synology_chat/notify.py
index e68968e94d0..ca8fba53120 100644
--- a/homeassistant/components/synology_chat/notify.py
+++ b/homeassistant/components/synology_chat/notify.py
@@ -1,4 +1,6 @@
 """SynologyChat platform for notify component."""
+from __future__ import annotations
+
 from http import HTTPStatus
 import json
 import logging
@@ -12,7 +14,9 @@ from homeassistant.components.notify import (
     BaseNotificationService,
 )
 from homeassistant.const import CONF_RESOURCE, CONF_VERIFY_SSL
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 ATTR_FILE_URL = "file_url"
 
@@ -26,7 +30,11 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 _LOGGER = logging.getLogger(__name__)
 
 
-def get_service(hass, config, discovery_info=None):
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> SynologyChatNotificationService:
     """Get the Synology Chat notification service."""
     resource = config.get(CONF_RESOURCE)
     verify_ssl = config.get(CONF_VERIFY_SSL)
diff --git a/homeassistant/components/telegram/notify.py b/homeassistant/components/telegram/notify.py
index bca48e4b85a..05b966e66d7 100644
--- a/homeassistant/components/telegram/notify.py
+++ b/homeassistant/components/telegram/notify.py
@@ -1,4 +1,6 @@
 """Telegram platform for notify component."""
+from __future__ import annotations
+
 import logging
 
 import voluptuous as vol
@@ -18,7 +20,9 @@ from homeassistant.components.telegram_bot import (
     ATTR_PARSER,
 )
 from homeassistant.const import ATTR_LOCATION
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers.reload import setup_reload_service
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 from . import DOMAIN as TELEGRAM_DOMAIN, PLATFORMS
 
@@ -37,7 +41,11 @@ CONF_CHAT_ID = "chat_id"
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({vol.Required(CONF_CHAT_ID): vol.Coerce(int)})
 
 
-def get_service(hass, config, discovery_info=None):
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> TelegramNotificationService:
     """Get the Telegram notification service."""
 
     setup_reload_service(hass, TELEGRAM_DOMAIN, PLATFORMS)
diff --git a/homeassistant/components/twilio_call/notify.py b/homeassistant/components/twilio_call/notify.py
index ca007a8231e..44eaa0bf994 100644
--- a/homeassistant/components/twilio_call/notify.py
+++ b/homeassistant/components/twilio_call/notify.py
@@ -1,4 +1,6 @@
 """Twilio Call platform for notify component."""
+from __future__ import annotations
+
 import logging
 import urllib
 
@@ -11,7 +13,9 @@ from homeassistant.components.notify import (
     BaseNotificationService,
 )
 from homeassistant.components.twilio import DATA_TWILIO
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -26,7 +30,11 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 
-def get_service(hass, config, discovery_info=None):
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> TwilioCallNotificationService:
     """Get the Twilio Call notification service."""
     return TwilioCallNotificationService(
         hass.data[DATA_TWILIO], config[CONF_FROM_NUMBER]
diff --git a/homeassistant/components/twilio_sms/notify.py b/homeassistant/components/twilio_sms/notify.py
index da5e0e754b9..0b0c724e479 100644
--- a/homeassistant/components/twilio_sms/notify.py
+++ b/homeassistant/components/twilio_sms/notify.py
@@ -1,4 +1,6 @@
 """Twilio SMS platform for notify component."""
+from __future__ import annotations
+
 import logging
 
 import voluptuous as vol
@@ -10,7 +12,9 @@ from homeassistant.components.notify import (
     BaseNotificationService,
 )
 from homeassistant.components.twilio import DATA_TWILIO
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -32,7 +36,11 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 
-def get_service(hass, config, discovery_info=None):
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> TwilioSMSNotificationService | None:
     """Get the Twilio SMS notification service."""
     return TwilioSMSNotificationService(
         hass.data[DATA_TWILIO], config[CONF_FROM_NUMBER]
diff --git a/homeassistant/components/twitter/notify.py b/homeassistant/components/twitter/notify.py
index d89755969a1..c6d223d2413 100644
--- a/homeassistant/components/twitter/notify.py
+++ b/homeassistant/components/twitter/notify.py
@@ -1,4 +1,6 @@
 """Twitter platform for notify component."""
+from __future__ import annotations
+
 from datetime import datetime, timedelta
 from functools import partial
 from http import HTTPStatus
@@ -17,8 +19,10 @@ from homeassistant.components.notify import (
     BaseNotificationService,
 )
 from homeassistant.const import CONF_ACCESS_TOKEN, CONF_USERNAME
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.event import async_track_point_in_time
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -39,7 +43,11 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 
-def get_service(hass, config, discovery_info=None):
+def get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> TwitterNotificationService:
     """Get the Twitter notification service."""
     return TwitterNotificationService(
         hass,
diff --git a/homeassistant/components/xmpp/notify.py b/homeassistant/components/xmpp/notify.py
index 28d60d317e0..2f5bad116c4 100644
--- a/homeassistant/components/xmpp/notify.py
+++ b/homeassistant/components/xmpp/notify.py
@@ -1,4 +1,6 @@
 """Jabber (XMPP) notification service."""
+from __future__ import annotations
+
 from concurrent.futures import TimeoutError as FutTimeoutError
 from http import HTTPStatus
 import logging
@@ -31,8 +33,10 @@ from homeassistant.const import (
     CONF_ROOM,
     CONF_SENDER,
 )
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
 import homeassistant.helpers.template as template_helper
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -64,7 +68,11 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 
-async def async_get_service(hass, config, discovery_info=None):
+async def async_get_service(
+    hass: HomeAssistant,
+    config: ConfigType,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> XmppNotificationService:
     """Get the Jabber (XMPP) notification service."""
     return XmppNotificationService(
         config.get(CONF_SENDER),