diff --git a/homeassistant/components/tami4/__init__.py b/homeassistant/components/tami4/__init__.py
index 8b9a5e1a90f2..6abbf24ed707 100644
--- a/homeassistant/components/tami4/__init__.py
+++ b/homeassistant/components/tami4/__init__.py
@@ -4,18 +4,17 @@ from __future__ import annotations
 
 from Tami4EdgeAPI import Tami4EdgeAPI, exceptions
 
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import Platform
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import ConfigEntryError, ConfigEntryNotReady
 
-from .const import API, CONF_REFRESH_TOKEN, COORDINATOR, DOMAIN
-from .coordinator import Tami4EdgeCoordinator
+from .const import CONF_REFRESH_TOKEN
+from .coordinator import Tami4ConfigEntry, Tami4EdgeCoordinator
 
 PLATFORMS: list[Platform] = [Platform.BUTTON, Platform.SENSOR]
 
 
-async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+async def async_setup_entry(hass: HomeAssistant, entry: Tami4ConfigEntry) -> bool:
     """Set up tami4 from a config entry."""
     refresh_token = entry.data.get(CONF_REFRESH_TOKEN)
 
@@ -29,19 +28,13 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     coordinator = Tami4EdgeCoordinator(hass, entry, api)
     await coordinator.async_config_entry_first_refresh()
 
-    hass.data.setdefault(DOMAIN, {})[entry.entry_id] = {
-        API: api,
-        COORDINATOR: coordinator,
-    }
+    entry.runtime_data = coordinator
 
     await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
 
     return True
 
 
-async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+async def async_unload_entry(hass: HomeAssistant, entry: Tami4ConfigEntry) -> bool:
     """Unload a config entry."""
-    if unload_ok := await hass.config_entries.async_unload_platforms(entry, PLATFORMS):
-        hass.data[DOMAIN].pop(entry.entry_id)
-
-    return unload_ok
+    return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
diff --git a/homeassistant/components/tami4/button.py b/homeassistant/components/tami4/button.py
index a1b8db79674d..bdd3e64ea477 100644
--- a/homeassistant/components/tami4/button.py
+++ b/homeassistant/components/tami4/button.py
@@ -8,12 +8,11 @@ from Tami4EdgeAPI import Tami4EdgeAPI
 from Tami4EdgeAPI.drink import Drink
 
 from homeassistant.components.button import ButtonEntity, ButtonEntityDescription
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity import EntityDescription
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 
-from .const import API, DOMAIN
+from .coordinator import Tami4ConfigEntry
 from .entity import Tami4EdgeBaseEntity
 
 _LOGGER = logging.getLogger(__name__)
@@ -42,12 +41,12 @@ BOIL_WATER_BUTTON = Tami4EdgeButtonEntityDescription(
 
 async def async_setup_entry(
     hass: HomeAssistant,
-    entry: ConfigEntry,
+    entry: Tami4ConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
 ) -> None:
     """Perform the setup for Tami4Edge."""
 
-    api: Tami4EdgeAPI = hass.data[DOMAIN][entry.entry_id][API]
+    api = entry.runtime_data.api
     buttons: list[Tami4EdgeBaseEntity] = [Tami4EdgeButton(api, BOIL_WATER_BUTTON)]
 
     device = await hass.async_add_executor_job(api.get_device)
diff --git a/homeassistant/components/tami4/const.py b/homeassistant/components/tami4/const.py
index be737b5c9740..9717181eb4a4 100644
--- a/homeassistant/components/tami4/const.py
+++ b/homeassistant/components/tami4/const.py
@@ -3,5 +3,3 @@
 DOMAIN = "tami4"
 CONF_PHONE = "phone"
 CONF_REFRESH_TOKEN = "refresh_token"
-API = "api"
-COORDINATOR = "coordinator"
diff --git a/homeassistant/components/tami4/coordinator.py b/homeassistant/components/tami4/coordinator.py
index f65c819b3d8a..e872d61dd374 100644
--- a/homeassistant/components/tami4/coordinator.py
+++ b/homeassistant/components/tami4/coordinator.py
@@ -13,6 +13,8 @@ from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, Upda
 
 _LOGGER = logging.getLogger(__name__)
 
+type Tami4ConfigEntry = ConfigEntry[Tami4EdgeCoordinator]
+
 
 @dataclass
 class FlattenedWaterQuality:
@@ -37,10 +39,10 @@ class FlattenedWaterQuality:
 class Tami4EdgeCoordinator(DataUpdateCoordinator[FlattenedWaterQuality]):
     """Tami4Edge water quality coordinator."""
 
-    config_entry: ConfigEntry
+    config_entry: Tami4ConfigEntry
 
     def __init__(
-        self, hass: HomeAssistant, config_entry: ConfigEntry, api: Tami4EdgeAPI
+        self, hass: HomeAssistant, config_entry: Tami4ConfigEntry, api: Tami4EdgeAPI
     ) -> None:
         """Initialize the water quality coordinator."""
         super().__init__(
@@ -50,12 +52,12 @@ class Tami4EdgeCoordinator(DataUpdateCoordinator[FlattenedWaterQuality]):
             name="Tami4Edge water quality coordinator",
             update_interval=timedelta(minutes=60),
         )
-        self._api = api
+        self.api = api
 
     async def _async_update_data(self) -> FlattenedWaterQuality:
         """Fetch data from the API endpoint."""
         try:
-            device = await self.hass.async_add_executor_job(self._api.get_device)
+            device = await self.hass.async_add_executor_job(self.api.get_device)
 
             return FlattenedWaterQuality(device.water_quality)
         except exceptions.APIRequestFailedException as ex:
diff --git a/homeassistant/components/tami4/sensor.py b/homeassistant/components/tami4/sensor.py
index 2bfd3079c19a..c87694e31875 100644
--- a/homeassistant/components/tami4/sensor.py
+++ b/homeassistant/components/tami4/sensor.py
@@ -2,22 +2,18 @@
 
 import logging
 
-from Tami4EdgeAPI import Tami4EdgeAPI
-
 from homeassistant.components.sensor import (
     SensorDeviceClass,
     SensorEntity,
     SensorEntityDescription,
     SensorStateClass,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import UnitOfVolume
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
-from .const import API, COORDINATOR, DOMAIN
-from .coordinator import Tami4EdgeCoordinator
+from .coordinator import Tami4ConfigEntry, Tami4EdgeCoordinator
 from .entity import Tami4EdgeBaseEntity
 
 _LOGGER = logging.getLogger(__name__)
@@ -53,18 +49,15 @@ ENTITY_DESCRIPTIONS = [
 
 async def async_setup_entry(
     hass: HomeAssistant,
-    entry: ConfigEntry,
+    entry: Tami4ConfigEntry,
     async_add_entities: AddConfigEntryEntitiesCallback,
 ) -> None:
     """Perform the setup for Tami4Edge."""
-    data = hass.data[DOMAIN][entry.entry_id]
-    api: Tami4EdgeAPI = data[API]
-    coordinator: Tami4EdgeCoordinator = data[COORDINATOR]
+    coordinator = entry.runtime_data
 
     async_add_entities(
         Tami4EdgeSensorEntity(
             coordinator=coordinator,
-            api=api,
             entity_description=entity_description,
         )
         for entity_description in ENTITY_DESCRIPTIONS
@@ -81,11 +74,10 @@ class Tami4EdgeSensorEntity(
     def __init__(
         self,
         coordinator: Tami4EdgeCoordinator,
-        api: Tami4EdgeAPI,
         entity_description: SensorEntityDescription,
     ) -> None:
         """Initialize the Tami4Edge sensor entity."""
-        Tami4EdgeBaseEntity.__init__(self, api, entity_description)
+        Tami4EdgeBaseEntity.__init__(self, coordinator.api, entity_description)
         CoordinatorEntity.__init__(self, coordinator)
         self._update_attr()