---
title: "Update Email Signature"
method: PUT
path: "/v1/email-signatures/{signature_id}"
tags: ["email-signatures"]
---

# Update Email Signature

`PUT /v1/email-signatures/{signature_id}`

## Request

- Base URL: `https://api.mentium.io` (the document declares no server; this is the origin it was published from)
- URL: `https://api.mentium.io/v1/email-signatures/{signature_id}`
- Auth: HTTP bearer

Update an email signature. All fields are optional; only provided fields change.

## Path parameters

- `signature_id` string, uuid, required

## Headers

- `mentium-workspace-id` string, nullable

## Request body

- EmailSignatureUpdate
  - `body` string, nullable
  - `is_active` boolean, nullable

## Response `200`

Successful Response

- EmailSignatureSchema
  - `id` string, uuid, required
  - `organization_id` string, uuid, required
  - `workspace_id` string, uuid, required
  - `body` string, required
  - `is_active` boolean, required
  - `rendered_body` string, required
  - `created_at` string, date-time, required
  - `updated_at` string, date-time, required
  - `deleted_at` string, date-time, nullable

## Other responses

- `404`: Not found
- `422`: Validation Error

---

[API](https://skmtc.dev/mentium/apis/mentium-api.md) - [All operations](https://skmtc.dev/mentium/apis/mentium-api/llms.txt) - [OpenAPI document](https://skmtc.dev/mentium/apis/mentium-api/revisions/b4ed8e59432e?raw)