---
title: "Update brand identity + design system"
method: PATCH
path: "/v1/brand"
tags: ["Brand"]
---

# Update brand identity + design system

`PATCH /v1/brand`

Partial update of the writable design artifacts in one call. `identity` shallow-merges the provided fields; `emailDesign` / `imageStyle` replace the markdown design-system documents the email agent follows. Provide at least one. Returns the touched fields in the `GET /v1/brand` shape.

## Request body

- BrandPatchRequest
  - `identity` object
    - `brandName` string
    - `description` string
    - `tagline` string
    - `contactEmail` string
    - `contactPhone` string
    - `address` string
  - `emailDesign` string
  - `imageStyle` string

## Response `200`

The updated brand (only the touched fields are echoed).

- BrandGetResponse
  - `brand` object, required
    - `brandId` string, required
    - `domain` string, required
    - `status` 'extracting' | 'completed' | 'failed' | 'deleting', required
    - `ready` boolean, required
    - `createdAt` string, date-time
    - `updatedAt` string, date-time
  - `identity` object
    - `brandName` string
    - `description` string
    - `tagline` string
    - `contactEmail` string
    - `contactPhone` string
    - `address` string
    - `socialLinks` unknown[]
      - unknown
    - `contentLinks` unknown[]
      - unknown
  - `emailDesign` string
  - `imageStyle` string
  - `logos` object[]
    - `src` string, required
    - `type` string
    - `theme` string
    - `format` string
    - `background` string
    - `width` number
    - `height` number
    - `size` number

## Other responses

- `400` — The request body or query string was invalid (unknown key, wrong type, or missing required field). Strict schemas reject unknown keys — including `brandId`, which is always resolved from the API key.
- `401` — The API key was missing, invalid, or revoked.
- `403` — The caller does not have the required `emails` permission.
- `429` — The request hit the rolling rate limit window.
- `500` — Unexpected internal error.

---

[API](https://skmtc.net/brew/apis/brew-public-api-v1.md) · [All operations](https://skmtc.net/brew/apis/brew-public-api-v1/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/brew/brew-public-api-v1/versions/db96cfedc6c5/schema)