---
title: "Update a Signature"
method: PATCH
path: "/email/v1/signatures/{signatureId}"
tags: ["emailService"]
---

# Update a Signature

`PATCH /email/v1/signatures/{signatureId}`

Updates an existing email signature.

## Path parameters

- `signatureId` integer, required

## Request body

- EmailSignatureDto
  - `name` string
  - `signature` string
  - `is_default` boolean
  - `emails` EmailSignatureAssociation[]
    - `email_id` integer
    - `is_default` boolean
  - `is_all_emails` boolean

## Response `200`

OK

- EmailSignature
  - `id` integer
  - `name` string
  - `signature` string
  - `added_by` integer
  - `is_default` boolean
  - `created_at` integer
  - `updated_at` integer
  - `emails` EmailSignatureAssociation[]
    - `email_id` integer
    - `is_default` boolean

## Other responses

- `401` — Access token is missing or invalid
- `404` — Resource not found

---

[API](https://skmtc.net/uspacy/apis/uspacy-api.md) · [All operations](https://skmtc.net/uspacy/apis/uspacy-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/uspacy/uspacy-api/versions/c3f48fd1c26b/schema)