---
title: "Event User Data Stream Expired | Binance Open Platform"
source: "https://developers.binance.com/docs/derivatives/options-trading/user-data-streams/Event-User-Data-Stream-Expired"
fetched_at: "2026-01-27T05:28:12.959Z"
---
# Event: User Data Stream Expired

## Event Description[​](https://developers.binance.com/docs/derivatives/options-trading/user-data-streams/Event-User-Data-Stream-Expired)

When the `listenKey` used for the user data stream turns expired, this event will be pushed.

**Notice:**

> -   This event is not related to the websocket disconnection.
> -   This event will be received only when a valid `listenKey` in connection got expired.
> -   No more user data event will be updated after this event received until a new valid `listenKey` used.

## Event Name[​](https://developers.binance.com/docs/derivatives/options-trading/user-data-streams/Event-User-Data-Stream-Expired)

`listenKeyExpired`

## Response Example[​](https://developers.binance.com/docs/derivatives/options-trading/user-data-streams/Event-User-Data-Stream-Expired)

```
{    "e": "listenKeyExpired",    // event type    "E": "1736996475556",       // event time    "listenKey":"WsCMN0a4KHUPTQuX6IUnqEZfB1inxmv1qR4kbf1LuEjur5VdbzqvyxqG9TSjVVxv"}
```

-   [Event Description](https://developers.binance.com/docs/derivatives/options-trading/user-data-streams/Event-User-Data-Stream-Expired)
-   [Event Name](https://developers.binance.com/docs/derivatives/options-trading/user-data-streams/Event-User-Data-Stream-Expired)
-   [Response Example](https://developers.binance.com/docs/derivatives/options-trading/user-data-streams/Event-User-Data-Stream-Expired)