WebAPI: Wallbox consumption sensor not updating - 401 error on wallbox proxy endpoint

[drhwpot]

SENEC.Home V3 hybrid, Version: 2026.5.3

Since approximately May 28, 2026, the wallbox consumption sensor (sensor.senec_webapi_wallbox_consumption) is no longer being updated. The last successful update was around 22:00 on May 27, 2026. The value is frozen at 12,522.251 kWh despite a successful charging session on May 28.

The following warning appears in the logs:
`_app_do_post_request(): Error while access
https://senec-app-wallbox-proxy.prod.senec.dev/wallbox/api/v1/systems/wallboxes/sea...

[Exception: 401, message='', url='https://senec-app-wallbox-proxy.prod.senec.dev/...']

app_update_all_wallboxes(): No valid wallbox data received
or data is not a list 'False'
`
All other local SENEC sensors (PV production, grid feed-in, house consumption, battery) are updating correctly. Only the wallbox-specific sensors are affected:

•	sensor.senec_webapi_wallbox_consumption – frozen, not updating
•	sensor.senec_webapi_wallbox_consumption_total – frozen, not updating
•	sensor.senec_wallbox_1_power – not updating
•	sensor.senec_wallbox_1_power_alt – not updating

The apparent charging power sensor (sensor.senec_webapi_wallbox_1_current_apparent_charging_power) does still record charging sessions correctly in its history.

Impact: The Home Assistant Energy Dashboard no longer shows wallbox consumption since May 28.

It appears that SENEC has changed something server-side on the wallbox proxy endpoint, causing 401 Unauthorized responses. Could this be related to a recent change in the SENEC WebAPI authentication for the wallbox endpoint?

[marq24]

well - http 401 is quite obvious a 'current session has no permission' - OR a possible misconfiguration at the backends from Senec...

I can't test this here - I have no wallbox - nor access to an senec account with a wallbox...

the code is IMHO fine, that the warning is shown

_app_do_post_request(): Error while access https://senec-app-wallbox-proxy.prod.senec.dev/wallbox/api/v1/systems/wallboxes/sea... [Exception: 401, message='', url='https://senec-app-wallbox-proxy.prod.senec.dev/...']
app_update_all_wallboxes(): No valid wallbox data received or data is not a list 'False'

since the integration does not receive any data - you might like to try to purge the local stored session ... by deleting the senec folder in your HA config\.storage directory (obviously stop HA before!)

and enable the debug log - so there might be other valuable infos during the login/auth procedure

[marq24]

I can not confirm that there is ANY issue with the WebAPI Integration - nor there are any changes at SENEC backends...

I am able to call https://senec-app-wallbox-proxy.prod.senec.dev/wallbox/api/v1/systems/wallboxes/search and it will not return an http 401 - all works as expected - check your login/account at SENEC and delete the content of the senec folder in your HA config/.storage directory...

during the RESTART of HA you should see a sequence like this one:

homeassistant  | 2026-05-30 13:48:02.132 DEBUG (MainThread) [custom_components.senec.pysenec_ha] ***** APP-API: app_update_all_wallboxes(self) ********
homeassistant  | 2026-05-30 13:48:02.132 INFO (MainThread) [custom_components.senec.pysenec_ha] app_update_all_wallboxes(): INITIAL STARTUP - searching ONCE for possible existing wallboxes
homeassistant  | 2026-05-30 13:48:02.132 DEBUG (MainThread) [custom_components.senec.pysenec_ha] ***** APP-API: _app_do_post_request(self) ********
homeassistant  | 2026-05-30 13:48:02.132 DEBUG (MainThread) [custom_components.senec.pysenec_ha] app_verify_token(): access_token is VALID [expires in: 2m 52s]
homeassistant  | 2026-05-30 13:48:02.132 DEBUG (MainThread) [custom_components.senec.pysenec_ha] _app_do_post_request(): requesting: https://senec-app-wallbox-proxy.prod.senec.dev/wallbox/api/v1/systems/wallboxes/search - with post_data: {'systemIds': [******]}
homeassistant  | 2026-05-30 13:48:02.295 DEBUG (MainThread) [custom_components.senec.pysenec_ha] _app_do_post_request(): response: []
homeassistant  | 2026-05-30 13:48:02.295 DEBUG (MainThread) [custom_components.senec.pysenec_ha] app_update_all_wallboxes(): No valid wallbox data received or data is not a list '[]'

as explained - since I do not have any wallboxes the request is returning an empty list... but for sure the request will be replied with http 200...

[drhwpot]

Hi marq24,

thank you for your quick response and the helpful hints. I followed all recommended steps and was able to narrow down the root cause of the issue using debug logs.

My Environment:
• SENEC.Home V3 hybrid
• Integration Version: 2026.5.3
• Home Assistant Core: 2026.5.4
• Wallbox: SENEC Wallbox Plus (ID: 1)

What I tried:
1. Purged session data (deleted and reinstalled the integration completely)
2. Restarted Home Assistant multiple times
3. Enabled debug logging and analyzed the output
4. Verified SENEC account on mein.senec.de – login works fine

Findings from debug logs:

The integration connects successfully and finds the wallbox correctly:

app_update_all_wallboxes(): INITIAL STARTUP - found 1 wallbox(es)
response: [{'id': '1', 'name': 'Wallbox 1', ...}]

However, the dashboard endpoint returns:

'numberOfWallboxes': 0
'wallboxInWh': 0.0

Even though the wallbox is physically present and correctly returned by the wallbox endpoint, the dashboard reports 0 wallboxes.

In the wb_total response I can see the following:

'wb_total': [{'measurements': ['WALLBOX_CONSUMPTION'],
'timeseries': [{'date': '2026-05-29T22:00:00Z',
'measurements': {'values': [11241.488]}}],
'total': 0.0}]

The correct cumulative value of 11241.488 kWh is present in the timeseries data, but the total field contains 0.0. It appears that sensor.senec_webapi_wallbox_consumption_total reads from total instead of timeseries. This causes the sensor to permanently show 0 or “Unknown”, even though the raw data is available.

Impact:

•	sensor.senec_webapi_wallbox_consumption – shows “Unknown”
•	sensor.senec_webapi_wallbox_consumption_total – no longer updating
•	Energy Dashboard shows no wallbox consumption since May 27th

The last correct value was 12,522.251 kWh on May 27, 2026.

I hope this information helps with the analysis. Please let me know if you need any additional debug output.

Thank you!

[drhwpot]

The debug logs reveal another important finding:

authenticate_all() completed -> main data:
{'app': {'isAuth': True, 'MasterPlantID': 182957},
'web': {'isAuth': False, 'MasterPlantNumber': None}}

The app authentication works correctly, but the web authentication fails (isAuth: False).

Could this be the reason why sensor.senec_webapi_wallbox_consumption shows “Unknown”?

[marq24]

please provide me the complete debug log output — by eMail...

[drhwpot]

Mail ist raus - angekommen?

[drhwpot]

Ich habe noch ein Log auf den Weg gebracht

[marq24]

hier kommt keine eMail an... -> Du musst die Addesse von meine GitHub Main Seite nehmen... (just in case)...

[drhwpot]

Ich habe auf diese Mail geantwortet Am 30.05.2026 um 20:03 schrieb Matthias Marquardt ***@***.***>:marq24 left a comment (marq24/ha-senec-v3#217) hier kommt keine eMail an... -> Du musst die Addesse von meine GitHub Main Seite nehmen... (just in case)... —Reply to this email directly, view it on GitHub, or unsubscribe.You are receiving this because you authored the thread.Message ID: ***@***.***>

[drhwpot]

Habe es nochmals geschickt

[marq24]

JETZT isses auch angekommen...

[marq24]

also wie darf/soll ich es formulieren?

1. 'web': {'isAuth': False, 'MasterPlantNumber': None}} -> da Du die web relevanten features deaktiviert hast (z.B: PeakShaving) muss sich die Integration auch gar nicht bei mein-senec.de anmelden - die Anmeldung über die App-API ist also ausreichend

2. warum sind die folgenden Sensoren aktiviert?

• binary_sensor.senec_webapi_wallbox_2_ev_charging
• binary_sensor.senec_webapi_wallbox_3_ev_charging
• sensor.senec_webapi_wallbox_2_state
• sensor.senec_webapi_wallbox_3_state
• sensor.senec_webapi_wallbox_4_state

3. Dein sensor.wallbox_consumption_total - in HA steht der Wert auf 11241.488

[36m2026-05-30 17:58:08.591 DEBUG (MainThread) [custom_components.senec.sensor] restored prev value for key wallbox_consumption_total: 11241.488

in den von der APP-API abgerufenen Daten, steht:

"wb_total": [
  {
    "measurements": [
      "WALLBOX_CONSUMPTION"
    ],
    "timeseries": [
      {
        "date": "2026-05-29T22:00:00Z",
        "measurements": {
          "durationInSeconds": 86400,
          "values": [
            11241.488
          ]
        }
      }
    ],
    "total": 0.0
  },
  null,
  null,
  null
],

The last correct value was 12,522.251 kWh on May 27, 2026.

Ich kann nicht erkennen, wie Du zu diesem Wert von 12522.251 kommst - ich kann dir jedoch versichern, dass aktuell die Senec App-API nur in Summe 11241.488 ausspuckt...

Es gibt KEINE Exception - alles läuft so wie es nunmal soll... Das komplette APP-Response-Object findest Du auch in deinem Log:

{
  "now": {
    "powerGenerationInW": 1048.728759765625,
    "powerConsumptionInW": 619.7,
    "gridFeedInInW": 357.52117919921875,
    "gridDrawInW": 0.0,
    "batteryChargeInW": 0.0,
    "batteryDischargeInW": 11.917372703552246,
    "batteryLevelInPercent": 100.0,
    "selfSufficiencyInPercent": 100.0,
    "wallboxInW": 0.0
  },
  "today": {
    "powerGenerationInWh": 58554.6875,
    "powerConsumptionInWh": 12472.65,
    "gridFeedInInWh": 43939.453125,
    "gridDrawInWh": 326.171875,
    "batteryChargeInWh": 6634.765625,
    "batteryDischargeInWh": 4138.671875,
    "batteryLevelInPercent": 100.0,
    "selfSufficiencyInPercent": 97.38,
    "wallboxInWh": 0.0
  },
  "total": {
    "timeSeries": [
      {
        "date": "2026-05-29T22:00:00Z",
        "measurements": {
          "durationInSeconds": 86400,
          "values": [
            58662.2785949707,
            55700.83126553345,
            28287.969533503056,
            29530.397705078125,
            10498.725158691406,
            10129.30858707428,
            2473.020647764206,
            3082.9300000000003,
            11241.488
          ]
        }
      }
    ],
    "measurements": [
      "POWER_GENERATION",
      "POWER_CONSUMPTION",
      "GRID_IMPORT",
      "GRID_EXPORT",
      "BATTERY_IMPORT",
      "BATTERY_EXPORT",
      "BATTERY_LEVEL_IN_PERCENT",
      "AUTARKY_IN_PERCENT",
      "WALLBOX_CONSUMPTION"
    ],
    "electricVehicleConnected": false
  },
  "system_battery_state": "DISCHARGING",
  "system_state_object": null,
  "system_details": {
    "systemOverview": {
      "systemId": "<MASKED>",
      "hid": null,
      "productName": "SENEC.Home V3 hybrid",
      "installationDateTime": "2021-07-30T07:22:07Z",
      "exchangedSystemId": null
    },
    "casing": {
      "serial": "<MASKED>",
      "temperatureInCelsius": 35.084003
    },
    "mcu": {
      "mainControllerSerial": "<MASKED>",
      "mainControllerUnitState": {
        "name": "AKKU_VOLL",
        "severity": "INFO",
        "operatingMode": "FULL_OPERATION"
      },
      "firmwareVersion": "826",
      "guiVersion": 966,
      "lastContact": {
        "timestamp": "2026-05-30T17:45:30.531Z",
        "severity": "INFO"
      },
      "ipAddress": null
    },
    "warranty": {
      "endDateTime": "2041-07-29T22:00:00Z",
      "warrantyTermInMonths": 240
    },
    "batteryPack": {
      "numberOfBatteryModules": 4,
      "technology": "LITHIUM_NICKEL_COBALT_ALUMINIUM_OXIDE",
      "currentChargingLevelInPercent": 98,
      "maxCapacityInKwh": 10.0,
      "bmsFirmwareVersion": null
    },
    "batteryModules": [
      {
        "ordinal": 1,
        "serialNumber": "<MASKED>",
        "state": {
          "state": "OK",
          "severity": "OK"
        },
        "lastContact": {
          "timestamp": "2026-05-30T17:45:31Z",
          "severity": "OK"
        },
        "firmwareVersion": "1.96.37"
      },
      {
        "ordinal": 2,
        "serialNumber": "<MASKED>",
        "state": {
          "state": "OK",
          "severity": "OK"
        },
        "lastContact": {
          "timestamp": "2026-05-30T17:45:31Z",
          "severity": "OK"
        },
        "firmwareVersion": "1.96.37"
      },
      {
        "ordinal": 3,
        "serialNumber": "<MASKED>",
        "state": {
          "state": "OK",
          "severity": "OK"
        },
        "lastContact": {
          "timestamp": "2026-05-30T17:45:31Z",
          "severity": "OK"
        },
        "firmwareVersion": "1.96.37"
      },
      {
        "ordinal": 4,
        "serialNumber": "<MASKED>",
        "state": {
          "state": "OK",
          "severity": "OK"
        },
        "lastContact": {
          "timestamp": "2026-05-30T17:45:31Z",
          "severity": "OK"
        },
        "firmwareVersion": "1.96.37"
      }
    ],
    "installer": {
      "companyName": "<MASKED> GmbH",
      "email": "<MASKED>",
      "phoneNumber": "<MASKED>",
      "address": {
        "street": "<MASKED>",
        "houseNumber": "<MASKED>",
        "postcode": "<MASKED>",
        "city": "<MASKED>",
        "countryCode": "DE",
        "region": "<MASKED>",
        "timezone": "Europe/Berlin"
      },
      "onlineMonitoringAllowed": true,
      "website": "<MASKED>"
    }
  },
  "wallbox": [
    {
      "id": "1",
      "productFamily": null,
      "controllerId": "<MASKED>",
      "name": "Wallbox 1",
      "prohibitUsage": false,
      "type": "V123",
      "state": {
        "electricVehicleConnected": true,
        "hasError": false,
        "temperatureInCelsius": 31.917,
        "isCharging": false,
        "statusCode": "EV_PERMISSION_TO_CHARGE"
      },
      "chargingMode": {
        "type": "SOLAR",
        "fastChargingSettings": {
          "allowIntercharge": false
        },
        "comfortChargeSettings": {
          "allowIntercharge": false,
          "preventInterruptions": false,
          "configuredChargingCurrent": 6.0,
          "activeWeekDays": [
            "MON",
            "TUE",
            "WED",
            "THU",
            "FRI",
            "SAT",
            "SUN"
          ],
          "useDynamicTariffs": false,
          "chargingPeriodFromGridInH": 0,
          "priceLimitInCtPerKwh": 0,
          "compatibilityMode": true
        },
        "solarOptimizeSettings": {
          "preventInterruptions": true,
          "compatibilityMode": true,
          "minChargingCurrentInA": 10.0,
          "useDynamicTariffs": null,
          "priceLimitInCtPerKwh": null
        }
      },
      "chargingCurrents": {
        "minPossibleCharging": 6.0,
        "configuredChargingCurrent": 10.0,
        "currentApparentChargingPowerInKw": 0.0
      },
      "chargingPowerStats": {
        "phase1": {
          "min": 2.3,
          "max": 3.685
        },
        "phase2": {
          "min": 4.6,
          "max": 7.369
        },
        "phase3": {
          "min": 6.9,
          "max": 11.054
        },
        "numberOfPhasesUsed": 0
      },
      "disconnected": false
    },
    null,
    null,
    null
  ],
  "wb_total": [
    {
      "measurements": [
        "WALLBOX_CONSUMPTION"
      ],
      "timeseries": [
        {
          "date": "2026-05-29T22:00:00Z",
          "measurements": {
            "durationInSeconds": 86400,
            "values": [
              11241.488
            ]
          }
        }
      ],
      "total": 0.0
    },
    null,
    null,
    null
  ],
  "mein-senec": {
    "raw": null,
    "energy_entities": {},
    "power_entities": {},
    "battery_entities": {},
    "peak_shaving_entities": {},
    "sgready_conf_data": {}
  }
}

auch hier alles konsistent für mich...

[marq24]

sorry... ja es gibt einen Eintrag im log...

[36m2026-05-30 18:20:12.006 DEBUG (MainThread) [custom_components.senec.pysenec_ha] _app_do_post_request(): requesting: https://senec-app-wallbox-proxy.prod.senec.dev/wallbox/api/v1/systems/wallboxes/search - with post_data: {'systemIds': [182957]}
[33m2026-05-30 18:20:27.055 WARNING (MainThread) [custom_components.senec.pysenec_ha] _app_do_post_request(): Error while access https://senec-app-wallbox-proxy.prod.senec.dev/wallbox/api/v1/systems/wallboxes/search: [Exception: 401, message='', url='https://senec-app-wallbox-proxy.prod.senec.dev/wallbox/api/v1/systems/wallboxes/search'] - [Response: <ClientResponse(https://senec-app-wallbox-proxy.prod.senec.dev/wallbox/api/v1/systems/wallboxes/search) [401 None]>
<CIMultiDictProxy('Date': 'Sat, 30 May 2026 16:20:27 GMT', 'Content-Length': '0', 'Connection': 'keep-alive', 'X-Content-Type-Options': 'nosniff', 'X-XSS-Protection': '0', 'Cache-Control': 'no-cache, no-store, max-age=0, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains', 'X-Frame-Options': 'DENY', 'Set-Cookie': 'JSESSIONID=04711FFD5DADE79190F53A905190A311; Path=/; Secure; HttpOnly')>]
[33m2026-05-30 18:20:27.055 WARNING (MainThread) [custom_components.senec.pysenec_ha] app_update_all_wallboxes(): No valid wallbox data received or data is not a list 'False'

aber der code läuft dann völlig normal weiter... beim nächsten mal (5min später) klappt es dann wieder - sieht also für mich so aus,als hätte da dann SENEC ggf ein temporäres Problem...

[marq24]

Ich kann Dich hier nicht noch mehr supporten. als ohnehin schon getan... (+2 Stunden)... Am Ende ist ein verbessteres Logging herausgekommen - mehr kann ich da nicht tun...

Wenn Senec mit gültigen tokens, trotzdem mit einem HTTP-Status 401 antwortet, kann ich nicht mehr machen als:

a) beim Start der Integration einen ERROR melden (denn zum Start ist der Request unabdingbar)
b) im normalen Betrieb den 401'er nicht als WARNING loggen...

[drhwpot]

Vielen herzlichen Dank für deinen enormen Einsatz. Ich werde es weiter beobachten und testen. Wahrscheinlich liegt es wieder mal nur an Senec und da ist man machtlos …