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govee2mqtt no longer works (login + API) – “Service not enabled” after recent Govee changes #628

Description

@andrea-git

Govee Device SKU

Everyone

Govee2MQTT Version

2026.03.25-ab9deb66

Describe the issue

Since today, govee2mqtt has completely stopped working after what appears to be a change on Govee’s side.

Symptoms:

Add-on starts correctly but fails to retrieve devices

Log always shows:

Got unexpected response from the API: Service not enabled
Devices cannot be controlled from Home Assistant

What I tested:

Re-generated a new API key → same error
Used an invalid API key → same error (no distinction in logs)
Removed API key and used only email/password → same error
Restored a previous Home Assistant backup (when it was working) → still broken
Downgraded govee2mqtt to an older version (pre-March 2026) → still broken

Observations:

The error does not change regardless of credentials or API key validity
This suggests the issue is not configuration-related
It looks like either:
Govee changed or blocked the login flow used by the addon, or
API access is now restricted and unavailable for this account

Important detail:

Everything was working earlier the same day
After a restart/update, it stopped working and never recovered

Expected behavior:

Login (email/password) or API key should allow retrieving and controlling devices

Actual behavior:

All authentication methods fail with the same “Service not enabled” response

Questions:

Has Govee recently changed authentication or API endpoints?
Is there any known workaround or required update?

Thanks.

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