---
title: "Changes to Create a sandbox"
method: POST
path: "/api/v2/sandboxes/boxes"
---

# Changes to Create a sandbox

`POST /api/v2/sandboxes/boxes`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 77 revisions.

- **2026-10-26** `dfe647d1748e`: 7 info
- **2026-10-16** `1a8ee9358d81`: 1 info

## Changes

- **2026-10-26** `dfe647d1748e`: 7 info
  - added the new optional request property `persistent`
  - added the new optional request property `proxy_config/rules/items/relay_id`
  - added the new optional request property `volumes`
  - added the non-success response with the status `403`
  - added the optional property `persistent` to the response with the `201` status
  - added the optional property `proxy_config/rules/items/relay_id` to the response with the `201` status
  - added the optional property `volumes` to the response with the `201` status
- **2026-10-16** `1a8ee9358d81`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/langchain-ai/apis/langsmith/docs/api/v2/sandboxes/boxes/post.md) - [API](https://skmtc.dev/langchain-ai/apis/langsmith.md) - [Page](https://skmtc.dev/langchain-ai/apis/langsmith/changes/api/v2/sandboxes/boxes/post)