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Certificate Expiry in Home Assistant

cert_expiry part of Home Assistant since 0.44

Cloud, polling Set up in the user interface

Certificate Expiry is an official Home Assistant integration for Network. Works through the manufacturer’s cloud and asks for changes at regular intervals – it depends on the internet connection and the service.

Facts about this integration

Compatible with Home Assistant
yes, official integration
Connection
Cloud, polling – Works through the manufacturer’s cloud and asks for changes at regular intervals – it depends on the internet connection and the service.
Setup
in the user interface
Kind
Online service
Installations
6,438 (0.9 % of the installations that share statistics)
Categories
Network
Provides
Diagnostics, Sensor
Maintained by
@jjlawren

Setup

  1. In Home Assistant open Settings → Devices & services.
  2. Click "Add integration" and search for Certificate Expiry.
  3. Follow the dialog – it asks for everything the integration needs.

Add to my Home Assistant

The link goes through my.home-assistant.io and opens the setup dialog in your own instance – no address of ours is involved.

Blueprints that use this integration

  • Automation Certificate Expiration ♥ 14 · Import · Forum
  • Automation Renew Let's Encrypt Certificate ♥ 10 · Import · Forum
  • Automation Renew Let's Encrypt Certificate ♥ 4 · Import · Forum

All blueprints for it

Known issues and fixes

5 open issues and 3 bug fixes in the last twelve months are recorded for Certificate Expiry in the Home Assistant issue tracker. If something does not work, update first: the most recent fix shipped with Home Assistant 2026.6.0.

Open

  • open Reported problem #91170 since April 10, 2023 · 5 reactions · 40 comments · #91170
  • open Reported problem #160713 since January 11, 2026 · 3 reactions · 5 comments · #160713
  • open Reported problem #137578 since February 6, 2025 · 0 reactions · 30 comments · #137578
  • open Reported problem #178839 since August 12, 2026 · 0 reactions · 1 comment · #178839
  • open Reported problem #176412 since July 13, 2026 · 0 reactions · 1 comment · #176412

Fixed

Source: the issue tracker of Home Assistant, as of September 16, 2026. The sentences are written by a language model from the titles of the issues; the reports themselves are on GitHub.

Check a specific device for known problems in the product check →

Source of this entry: the official documentation of the integration

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