PushSubscription: subscriptionId property

Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

Note: This feature is available in Web Workers.

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

Warning: Instead of this feature, use the PushSubscription.endpoint property on the same interface.


A string.


This feature was removed from the Push API specification. It is no longer on track to become a standard.

Browser compatibility

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