Certificate Expiry

The Certificate Expiry integrationIntegrations connect and integrate Home Assistant with your devices, services, and more. [Learn more] 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.


To add the Certificate Expiry integration to your Home Assistant instance, use this My button:


The Certificate Expiry entitiesAn entity represents a sensor, actor, or function in Home Assistant. Entities are used to monitor physical properties or to control other entities. An entity is usually part of a device or a service. [Learn more] 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.