---
title: "Update a signature"
method: PUT
path: "/dashboards/v3/signatures/{signature_id}"
tags: ["Dashboard v3 Surfaces"]
---

# Update a signature

`PUT /dashboards/v3/signatures/{signature_id}`

## Request

- Base URL: `https://app.mammoth.io/api/v2`
- URL: `https://app.mammoth.io/api/v2/dashboards/v3/signatures/{signature_id}`
- Auth: one of:
  - HTTP bearer
  - API key in header `X-API-KEY` and API key in header `X-API-SECRET` and API key in header `X-WORKSPACE-ID`

## Path parameters

- `signature_id` string, required

## Request body

- SignatureSpec: A signature
  - `params` SignatureParams
    - `name` string, nullable
    - `logo` string, nullable
    - `footer` string, nullable
    - `link` string, nullable
    - `align` string, nullable
    - `layout` string, nullable

## Response `200`

A signature

- SignatureResponse
  - `signature` object, required

## Other responses

- `400`: Bad request syntax or unsupported method
- `403`: Request forbidden -- authorization will not help

---

[API](https://skmtc.dev/mammoth/apis/mammoth-analytics.md) · [All operations](https://skmtc.dev/mammoth/apis/mammoth-analytics/llms.txt) · [OpenAPI document](https://skmtc.dev/mammoth/apis/mammoth-analytics/revisions/9d8804f81a10?raw)