---
title: "Reset sandbox with new tarball"
method: POST
path: "/v1/stacks/{id}/reset"
tags: ["Stacks"]
---

# Reset sandbox with new tarball

`POST /v1/stacks/{id}/reset`

Clears /workspace and extracts a new tarball into the sandbox. Use tarball_base64 and optional tarball_filename.

## Path parameters

- `id` string, required — Stack identifier

## Request body

- object
  - `tarball_base64` string, required — Base64-encoded tarball content
  - `tarball_filename` string — Optional tarball filename

## Response `200`

Sandbox reset completed

- object
  - `message` string, required
  - `id` string

## Other responses

- `404` — Sandbox not found

## Changes

- **2025-11-07** `0501dfa34f8f` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/benchify/apis/benchify-api/changes/v1/stacks/:id/reset/post.md)

---

[API](https://skmtc.dev/benchify/apis/benchify-api.md) · [All operations](https://skmtc.dev/benchify/apis/benchify-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/benchify/benchify-api/revisions/1a65aea8dd7d/schema)