---
title: "Delete a signing key"
method: DELETE
path: "/system/v1/signing-keys/{SIGNING_KEY_ID}"
tags: ["Signing Keys"]
---

# Delete a signing key

`DELETE /system/v1/signing-keys/{SIGNING_KEY_ID}`

## Request

- Base URL: `https://api.mux.com`
- URL: `https://api.mux.com/system/v1/signing-keys/{SIGNING_KEY_ID}`
- Auth: one of:
  - HTTP basic
  - HTTP bearer

Deletes an existing signing key. Use with caution, as this will invalidate any existing signatures and no JWTs can be signed using the key again.

## Path parameters

- `SIGNING_KEY_ID` string, required

## Response `204`

No Content

## Changes

- **2025-08-05** `ba7ebfd893a1`: 1 info
  - the endpoint scheme security `authorizationToken` was added to the API
- **2025-07-02** `d4d7fca3b738`: 1 info
  - the endpoint scheme security `accessToken` was added to the API

[Operation history](https://skmtc.dev/muxinc/apis/mux-api/changes/system/v1/signing-keys/:SIGNING_KEY_ID/delete.md)

---

[API](https://skmtc.dev/muxinc/apis/mux-api.md) - [All operations](https://skmtc.dev/muxinc/apis/mux-api/llms.txt) - [OpenAPI document](https://skmtc.dev/muxinc/apis/mux-api/revisions/75b4251a1d96?raw)