***

title: runtime.stop
description: Stop the live browser environment owned by the runtime.
--------------------------------------------------------------------

`runtime.stop` is a browser runtime capability in the `runtime` namespace.

## Availability

* Runtime: `browser`
* Kind: `lifecycle`
* Category: `lifecycle`
* Supported drivers: Playwright, Puppeteer, Stagehand, browser-use

## SDK Surface

* SDK path: `runtime.stop`
* Async: Yes

## HTTP Surface

* Transport: resource route
* Route: `POST /workspaces/{id}/runtimes/{alias}/stop`
* Long-running: No

## Arguments

This capability does not take explicit arguments.

## Result

* Type: `runtime`
* Description: Updated runtime metadata after the browser environment stops.

## SDK Example

```ts
await runtime.stop();
```

## HTTP Example

```http
POST /workspaces/{id}/runtimes/{alias}/stop
```

## Related Capabilities

* [`runtime.live`](../lifecycle/runtime-live)
* [`runtime.recording`](../lifecycle/runtime-recording)

## Notes

* Stopping a profile-backed runtime does not delete the underlying browser profile.