The PushSubscription interface of the Push API provides a subcription's URL endpoint and allows unsubscription from a push service.

API Experimental Interface Push Push API PushSubscription Reference Service Workers

API endPoint Experimental Property Push Push API PushSubscription Reference Service Workers

API Experimental getKey Method Non-standard Push Push API PushSubscription Reference Service Workers

The endpoint read-only property of the PushSubscription interface returns a DOMString containing the subscription ID associated with the push subscription.

API Deprecated Experimental Property Push Push API PushSubscription Reference Service Workers subscriptionId

API Experimental Method Push Push API PushSubscription Reference Serializer Service Workers toJSON

API Experimental Method Push Push API PushSubscription Reference Service Workers unsubscribe