---
title: "Create jails from a template"
method: POST
path: "/jail/templates/{templateId}/jails"
tags: ["Jail"]
---

# Create jails from a template

`POST /jail/templates/{templateId}/jails`

## Request

- Base URL: `https://sylve.lan:8181/api`
- URL: `https://sylve.lan:8181/api/jail/templates/{templateId}/jails`
- Auth: API key in header `Authorization`

Validate and queue creation of one or more jails from a jail template

## Path parameters

- `templateId` integer, required

## Request body

- GithubComAlchemillahqSylveInternalServicesJailCreateFromTemplateRequest
  - `count` integer
  - `ctid` integer
  - `mode` string
  - `name` string
  - `namePrefix` string
  - `pool` string
  - `startCtid` integer

## Response `202`

Accepted

- GithubComAlchemillahqSylveInternalAPIResponseInternalHandlersJailJailTemplateInstantiationTaskResponse
  - `data` InternalHandlersJailJailTemplateInstantiationTaskResponse
    - `action` string
    - `outcome` string
    - `taskId` integer
    - `templateId` integer
  - `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
- `503`: Service Unavailable

## Changes

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

[Operation history](https://skmtc.dev/alchemillahq/apis/sylve-api/changes/jail/templates/:templateId/jails/post.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/9565cdd0abf5?raw)