Certificate Expiry


The cert_expiry sensor fetches information from a configured URL and displays the certificate expiry in days.

Configuration

There are 2 options in configuring the cert_expiry sensor:

  • Via the Home Assistant user interface where it will let you enter a name, host and port for the certificate to check.
  • Via the Home Assistant configuration.yaml file.
# Example configuration.yaml entry
sensor:
  - platform: cert_expiry
    host: home-assistant.io

Configuration Variables

host

(string)(Required)

The host FQDN (or IP) to retrieve certificate from.

port

(integer)(Optional)

The port number where the server is running.

Default value:

443

name

(string)(Optional)

The friendly name for the certificate.

Default value:

SSL Certificate Expiry

Make sure that the URL exactly matches your endpoint or resource.