diff --git a/homeassistant/components/tado/coordinator.py b/homeassistant/components/tado/coordinator.py
index 9be21aab8867..57b29fa36571 100644
--- a/homeassistant/components/tado/coordinator.py
+++ b/homeassistant/components/tado/coordinator.py
@@ -122,6 +122,7 @@ class TadoDataUpdateCoordinator(DataUpdateCoordinator[dict[str, Any]]):
         self.data["zone"] = zones
         self.data["weather"] = home["weather"]
         self.data["geofence"] = home["geofence"]
+        self.data["rate_limit"] = self.get_rate_limit()
 
         refresh_token = await self.hass.async_add_executor_job(
             self._tado.get_refresh_token
diff --git a/tests/components/tado/snapshots/test_diagnostics.ambr b/tests/components/tado/snapshots/test_diagnostics.ambr
index 1ea74be559ed..19745cf103b6 100644
--- a/tests/components/tado/snapshots/test_diagnostics.ambr
+++ b/tests/components/tado/snapshots/test_diagnostics.ambr
@@ -76,6 +76,10 @@
         'presence': 'HOME',
         'presenceLocked': False,
       }),
+      'rate_limit': dict({
+        'per-day': 1000,
+        'remaining': 100,
+      }),
       'weather': dict({
         'outsideTemperature': dict({
           'celsius': 7.46,