diff --git a/services/api/generated/openapi.json b/services/api/generated/openapi.json
index 7155eda8..e7084996 100644
--- a/services/api/generated/openapi.json
+++ b/services/api/generated/openapi.json
@@ -824,6 +824,15 @@
             "minLength": 1,
             "title": "Driveridentifier",
             "description": "The unique identifier of the driver in the context of the device."
+          },
+          "physicalQuantity": {
+            "allOf": [
+              {
+                "$ref": "#/components/schemas/PhysicalQuantity"
+              }
+            ],
+            "description": "The matching physical quantity of the unit of measurement.",
+            "readOnly": true
           }
         },
         "type": "object",
@@ -834,7 +843,8 @@
           "signalIdentifier",
           "timeseriesId",
           "deviceId",
-          "driverIdentifier"
+          "driverIdentifier",
+          "physicalQuantity"
         ],
         "title": "CarlosDeviceSignal",
         "description": "The properties of a device signal."
@@ -952,6 +962,18 @@
         "title": "HealthStatus",
         "description": "The status of the API."
       },
+      "PhysicalQuantity": {
+        "type": "integer",
+        "enum": [
+          0,
+          1,
+          2,
+          3,
+          4
+        ],
+        "title": "PhysicalQuantity",
+        "description": "An enumeration of supported physical quantities\n\n- 0 = IDENTITY\n- 1 = TEMPERATURE\n- 2 = HUMIDITY\n- 3 = ILLUMINANCE\n- 4 = RATIO"
+      },
       "TimeseriesData": {
         "properties": {
           "timeseriesId": {
diff --git a/services/frontend/src/api/openapi.ts b/services/frontend/src/api/openapi.ts
index 539d2e04..2b8284eb 100644
--- a/services/frontend/src/api/openapi.ts
+++ b/services/frontend/src/api/openapi.ts
@@ -223,6 +223,8 @@ export interface components {
        * @description The unique identifier of the driver in the context of the device.
        */
       driverIdentifier: string;
+      /** @description The matching physical quantity of the unit of measurement. */
+      physicalQuantity: components["schemas"]["PhysicalQuantity"];
     };
     /**
      * CarlosDeviceSignalUpdate
@@ -287,6 +289,18 @@ export interface components {
      * @enum {string}
      */
     HealthStatus: "ok" | "no_db_connection" | "error";
+    /**
+     * PhysicalQuantity
+     * @description An enumeration of supported physical quantities
+     *
+     * - 0 = IDENTITY
+     * - 1 = TEMPERATURE
+     * - 2 = HUMIDITY
+     * - 3 = ILLUMINANCE
+     * - 4 = RATIO
+     * @enum {integer}
+     */
+    PhysicalQuantity: 0 | 1 | 2 | 3 | 4;
     /**
      * TimeseriesData
      * @description Holds the timeseries data of a signale sensor.