---
title: "Switch ComfyUI version"
method: POST
path: "/comfyui_manager/comfyui_switch_version"
---

# Switch ComfyUI version

`POST /comfyui_manager/comfyui_switch_version`

Switches to a specified ComfyUI version

## Request body

- object
  - `ver` string — Target version

## Response `200`

Version switch successful

## Other responses

- `400` — Error switching version

## Changes

- **2026-04-21** `faf793ecfc9c` — 1 info
  - endpoint added
- **2025-05-21** `bd2fda6deb51` — 1 breaking
  - api removed without deprecation

[Change history](https://skmtc.dev/comfy-org/apis/comfyui-manager-api/changes/comfyui_manager/comfyui_switch_version/post.md)

---

[API](https://skmtc.dev/comfy-org/apis/comfyui-manager-api.md) · [All operations](https://skmtc.dev/comfy-org/apis/comfyui-manager-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/comfy-org/comfyui-manager-api/revisions/48f8d9cf8c44/schema)