home-assistant.io/source/_integrations/cert_expiry.markdown

title	description	ha_category	ha_release	ha_iot_class	ha_config_flow	ha_codeowners	ha_domain	ha_platforms	ha_integration_type
Certificate Expiry	Instructions on how to set up HTTPS (SSL) certificate expiry sensors within Home Assistant.	Network	0.44	Cloud Polling	true	@Cereal2nd @jjlawren	cert_expiry	sensor	integration

The Certificate Expiry integration fetches the certificate from a configured host and displays its expiration in a timestamp sensor. The sensor checks and updates the certificate information for the configured host every 12 hours.

{% include integrations/config_flow.md %}

Attributes

The Certificate Expiry entities provide extra attributes to represent the state of the certificate.

Name	Description
is_valid	If the certificate is able to be validated: True / False.
error	A human-readable error description if the certificate is considered invalid, "None" otherwise.