---
title: "Create Or Update Alias"
method: POST
path: "/model_aliases/"
tags: ["Model Aliases"]
---

# Create Or Update Alias

`POST /model_aliases/`

## Headers

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

## Request body

- ModelAliasCreate
  - `alias` string, required
  - `chute_ids` string[], required

## Response `201`

Successful Response

- ModelAliasResponse
  - `alias` string, required
  - `chute_ids` string[], required
  - `created_at` string, date-time, nullable
  - `updated_at` string, date-time, nullable

## 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/model_aliases/post.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/8d909638091e/schema)