---
title: "Update file metadata (starred · description · tags)"
method: PATCH
path: "/api/workspaces/{slug}/files/{fileId}/metadata"
tags: ["Files"]
---

# Update file metadata (starred · description · tags)

`PATCH /api/workspaces/{slug}/files/{fileId}/metadata`

## Request

- Base URL: `https://trydock.ai`
- URL: `https://trydock.ai/api/workspaces/{slug}/files/{fileId}/metadata`
- Auth: HTTP bearer

Each call accepts any subset of the three keys. Tags are normalised server-side: lowercased, trimmed, de-duplicated, empties dropped. Description capped at 2 000 chars; empty string clears. Max 16 tags × 32 chars each.

## Path parameters

- `slug` string, required
- `fileId` string, required

## Request body

- object
  - `starred` boolean
  - `description` string, nullable
  - `tags` string[]

## Response `200`

Updated file

- object
  - `ok` true, required
  - `file` object, required
    - `id` string, required
    - `name` string, required
    - `parentFolderId` string, nullable, required
    - `size` integer, required: Bytes.
    - `mimeType` string, required
    - `thumbUrl` string, nullable, required: Server-generated 256-px webp URL. Null for non-raster files.
    - `starred` boolean
    - `starredAt` string, date-time, nullable
    - `description` string, nullable
    - `tags` string[]
    - `exif` object, nullable
    - `createdAt` string, date-time, required
    - `updatedAt` string, date-time, required

## Other responses

- `404`: File not found
- `422`: Zod validation failure

---

[API](https://skmtc.dev/trydock/apis/dock-rest-api.md) - [All operations](https://skmtc.dev/trydock/apis/dock-rest-api/llms.txt) - [OpenAPI document](https://skmtc.dev/trydock/apis/dock-rest-api/revisions/dd96ae96a412?raw)