diff --git a/custom_components/whatsapp_bridge_integration/sensor.py b/custom_components/whatsapp_bridge_integration/sensor.py
new file mode 100644
index 0000000..b46c6c1
--- /dev/null
+++ b/custom_components/whatsapp_bridge_integration/sensor.py
@@ -0,0 +1,22 @@
+from homeassistant.components.sensor import SensorEntity
+from .const import DOMAIN, CONF_ACCOUNT_NAME
+
+async def async_setup_entry(hass, entry, async_add_entities):
+    """Add a sensor for each WhatsApp account."""
+    async_add_entities([WhatsAppAccountEntity(entry)], True)
+
+class WhatsAppAccountEntity(SensorEntity):
+    """Representation of a WhatsApp Account as an entity."""
+    def __init__(self, entry):
+        self._entry = entry
+        self._attr_name = f"WhatsApp {entry.title}"
+        self._attr_unique_id = f"{entry.entry_id}_status"
+        self._attr_icon = "mdi:whatsapp"
+        # Wir speichern die Nummer in den Attributen, damit der Service sie findet
+        self._attr_extra_state_attributes = {
+            "phone_number": entry.data.get("phone_number")
+        }
+
+    @property
+    def state(self):
+        return "Ready"
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