---
title: "Replace jail metadata"
method: PUT
path: "/jail/{ctid}/options/metadata"
tags: ["Jail"]
---

# Replace jail metadata

`PUT /jail/{ctid}/options/metadata`

Replace the jail meta and env values after safely escaping them for jail.conf; explicit empty strings clear either value

## Path parameters

- `ctid` integer, required

## Request body

- InternalHandlersJailModifyMetadataRequest
  - `env` string, required
  - `metadata` string, required

## Response `200`

Success

- GithubComAlchemillahqSylveInternalAPIResponseAny
  - `data` unknown
  - `error` string
  - `message` string
  - `status` string

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found
- `409` — Conflict
- `413` — Request Entity Too Large
- `500` — Internal Server Error

## Changes

- **2026-08-12** `9a5026bf9057` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/alchemillahq/apis/sylve-api/changes/jail/:ctid/options/metadata/put.md)

---

[API](https://skmtc.dev/alchemillahq/apis/sylve-api.md) · [All operations](https://skmtc.dev/alchemillahq/apis/sylve-api/llms.txt) · [OpenAPI document](https://skmtc.dev/alchemillahq/apis/sylve-api/revisions/85f3f607253e?raw)