---
title: "Emit Fs Stale"
method: POST
path: "/internal/fs-stale"
tags: ["modal-filewatcher"]
---

# Emit Fs Stale

`POST /internal/fs-stale`

Emit ``fs_stale`` Socket.IO event on proxy reconnection.

## Request body

- FSStalePayload — Payload emitted on the ``fs_stale`` Socket.IO event.
  - `reason` string, required
  - `sandbox_id` string, required
  - `sandbox_alias` string, nullable
  - `workspace_id` string, required

## Response `204`

Successful Response

## Other responses

- `422` — Validation Error

## Changes

- **2026-09-18** `abf76937a751` — 2 info
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status

[Change history](https://skmtc.dev/quadrillion/apis/quadrillion-cloud-api/changes/internal/fs-stale/post.md)

---

[API](https://skmtc.dev/quadrillion/apis/quadrillion-cloud-api.md) · [All operations](https://skmtc.dev/quadrillion/apis/quadrillion-cloud-api/llms.txt) · [OpenAPI document](https://skmtc.dev/quadrillion/apis/quadrillion-cloud-api/revisions/d61e2ec5a271?raw)