---
title: "Get Maintenance Preflight"
method: GET
path: "/servers/{server_name_or_id}/maintenance/preflight"
tags: ["Servers"]
---

# Get Maintenance Preflight

`GET /servers/{server_name_or_id}/maintenance/preflight`

Check maintenance eligibility for a server without entering maintenance.

## Path parameters

- `server_name_or_id` string, required

## Headers

- `X-Chutes-Hotkey` string, nullable
- `X-Chutes-Signature` string, nullable
- `X-Chutes-Nonce` string, nullable
- `Authorization` string, nullable

## Response `200`

Successful Response

- PreflightResult — Result of a maintenance preflight eligibility check.
  - `eligible` boolean, required
  - `denial_reasons` MaintenanceReason[]
    - `reason` string, required
    - `current_version` string, nullable
    - `target_version` string, nullable
    - `window_id` string, nullable
    - `current_slots` integer, nullable
    - `limit` integer, nullable
    - `blocking` object[], nullable
  - `blocking_chute_ids` SoleSurvivorBlock[]
    - `chute_id` string, required
    - `instance_id` string, required
  - `current_slots` integer
  - `limit` integer

## Other responses

- `422` — Validation Error

## Changes

- **2026-08-26** `8d909638091e` — 1 info
  - endpoint added
- **2026-08-22** `05d9af05d87e` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/chutes/apis/fastapi/changes/servers/:server_name_or_id/maintenance/preflight/get.md)

---

[API](https://skmtc.dev/chutes/apis/fastapi.md) · [All operations](https://skmtc.dev/chutes/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/chutes/fastapi/revisions/7be1aa2fe1a0/schema)