diff --git a/src/tadoasync/models_v3.py b/src/tadoasync/models_v3.py
index 58a794e..2f59519 100644
--- a/src/tadoasync/models_v3.py
+++ b/src/tadoasync/models_v3.py
@@ -492,6 +492,15 @@ class AcPower(DataClassORJSONMixin):
     value: str
 
 
+@dataclass
+class HotWaterInUse(DataClassORJSONMixin):
+    """HotWaterInUse model represents the hot water activity state."""
+
+    type: str
+    timestamp: str
+    value: str
+
+
 @dataclass
 class Humidity(DataClassORJSONMixin):
     """Humidity model represents the humidity."""
@@ -589,6 +598,8 @@ def __pre_deserialize__(cls, d: dict[str, Any]) -> dict[str, Any]:
         """Pre deserialize hook."""
         if not d["sensorDataPoints"]:
             d["sensorDataPoints"] = None
+        if d.get("nextTimeBlock") is None:
+            d["nextTimeBlock"] = {}
         return d
 
 
@@ -624,6 +635,9 @@ class ActivityDataPoints(DataClassORJSONMixin):
     heating_power: HeatingPower | None = field(
         default=None, metadata=field_options(alias="heatingPower")
     )
+    hot_water_in_use: HotWaterInUse | None = field(
+        default=None, metadata=field_options(alias="hotWaterInUse")
+    )
 
 
 @dataclass
diff --git a/src/tadoasync/tadoasync.py b/src/tadoasync/tadoasync.py
index 3dd0422..a8fece5 100644
--- a/src/tadoasync/tadoasync.py
+++ b/src/tadoasync/tadoasync.py
@@ -582,7 +582,10 @@ async def set_meter_readings(
 
         payload = {"date": date.strftime("%Y-%m-%d"), "reading": reading}
         response = await self._request(
-            endpoint=EIQ_HOST_URL, data=payload, method=HttpMethod.POST
+            f"homes/{self._home_id}/meterReadings",
+            endpoint=EIQ_HOST_URL,
+            data=payload,
+            method=HttpMethod.POST,
         )
         data = orjson.loads(response)
         if "message" in data:
diff --git a/tests/__snapshots__/test_tado.ambr b/tests/__snapshots__/test_tado.ambr
index c7df62c..e71cc97 100644
--- a/tests/__snapshots__/test_tado.ambr
+++ b/tests/__snapshots__/test_tado.ambr
@@ -769,6 +769,7 @@
         'value': 'OFF',
       }),
       'heating_power': None,
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -882,6 +883,7 @@
         'value': 'ON',
       }),
       'heating_power': None,
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -985,6 +987,7 @@
         'value': 'ON',
       }),
       'heating_power': None,
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -1098,6 +1101,7 @@
         'value': 'ON',
       }),
       'heating_power': None,
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -1201,6 +1205,7 @@
         'value': 'ON',
       }),
       'heating_power': None,
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -1304,6 +1309,7 @@
         'value': 'ON',
       }),
       'heating_power': None,
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -1417,6 +1423,7 @@
         'value': 'OFF',
       }),
       'heating_power': None,
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -1520,6 +1527,7 @@
         'value': 'OFF',
       }),
       'heating_power': None,
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -1623,6 +1631,7 @@
         'value': 'OFF',
       }),
       'heating_power': None,
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -1736,6 +1745,7 @@
         'value': 'OFF',
       }),
       'heating_power': None,
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -1825,6 +1835,7 @@
         'value': 'ON',
       }),
       'heating_power': None,
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -1928,6 +1939,7 @@
         'value': 'ON',
       }),
       'heating_power': None,
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -2036,6 +2048,7 @@
         'type': 'PERCENTAGE',
         'value': None,
       }),
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -2144,6 +2157,7 @@
         'type': 'PERCENTAGE',
         'value': None,
       }),
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -2276,6 +2290,7 @@
         'type': 'PERCENTAGE',
         'value': None,
       }),
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -2421,6 +2436,7 @@
         'type': 'PERCENTAGE',
         'value': None,
       }),
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -2562,6 +2578,7 @@
         'type': 'PERCENTAGE',
         'value': None,
       }),
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -2707,6 +2724,7 @@
         'type': 'PERCENTAGE',
         'value': None,
       }),
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -2824,6 +2842,7 @@
     'activity_data_points': dict({
       'ac_power': None,
       'heating_power': None,
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -2906,6 +2925,7 @@
     'activity_data_points': dict({
       'ac_power': None,
       'heating_power': None,
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -3012,6 +3032,7 @@
     'activity_data_points': dict({
       'ac_power': None,
       'heating_power': None,
+      'hot_water_in_use': None,
     }),
     'available': True,
     'connection': None,
@@ -3113,6 +3134,7 @@
           'value': 'ON',
         }),
         'heating_power': None,
+        'hot_water_in_use': None,
       }),
       'available': True,
       'connection': None,
@@ -3218,6 +3240,7 @@
           'value': 'ON',
         }),
         'heating_power': None,
+        'hot_water_in_use': None,
       }),
       'available': True,
       'connection': None,
@@ -3324,6 +3347,7 @@
           'type': 'PERCENTAGE',
           'value': None,
         }),
+        'hot_water_in_use': None,
       }),
       'available': True,
       'connection': None,
@@ -3454,6 +3478,7 @@
           'type': 'PERCENTAGE',
           'value': None,
         }),
+        'hot_water_in_use': None,
       }),
       'available': True,
       'connection': None,
@@ -3566,6 +3591,7 @@
           'type': 'PERCENTAGE',
           'value': None,
         }),
+        'hot_water_in_use': None,
       }),
       'available': True,
       'connection': None,
@@ -3696,6 +3722,7 @@
           'type': 'PERCENTAGE',
           'value': None,
         }),
+        'hot_water_in_use': None,
       }),
       'available': True,
       'connection': None,
diff --git a/tests/test_tado.py b/tests/test_tado.py
index eaad4c5..1e9f08a 100644
--- a/tests/test_tado.py
+++ b/tests/test_tado.py
@@ -625,7 +625,7 @@ async def test_add_meter_readings_success(
 ) -> None:
     """Test adding meter readings."""
     responses.post(
-        TADO_EIQ_URL,
+        f"{TADO_EIQ_URL}/homes/1/meterReadings",
         body=load_fixture(folder="meter", filename="add_reading_success.json"),
     )
     await python_tado.set_meter_readings(5)
@@ -650,7 +650,7 @@ async def test_add_meter_readings_duplicated(
     date = datetime(2023, 10, 1, 12, 0, 0, tzinfo=UTC)
     reading = 5
     responses.post(
-        TADO_EIQ_URL,
+        f"{TADO_EIQ_URL}/homes/1/meterReadings",
         body=load_fixture(folder="meter", filename="add_reading_duplicate.json"),
     )
     with pytest.raises(