> ## Documentation Index
> Fetch the complete documentation index at: https://docs.oxen.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Update file metadata

> Update metadata for a file version in the version store.



## OpenAPI

````yaml https://hub.oxen.ai/api/_spec/oxen_server_openapi.json put /api/repos/{namespace}/{repo_name}/metadata/{resource}
openapi: 3.1.0
info:
  description: >-
    Oxen server is a fast data version control backend, supporting local disk
    and S3. Self host your repositories on your own storage, or use the hosted
    platform on Oxen.ai. Stores, syncs, and serves versioned datasets, model
    checkpoints, game assets, studio media, and any large data. Use the oxen CLI
    to push and pull from the oxen server.
  license:
    name: ''
  title: oxen-server
  version: 0.54.0
servers:
  - description: Production API
    url: https://hub.oxen.ai
  - description: Local Development
    url: http://localhost:3000
security:
  - api_key: []
tags:
  - description: Namespace management endpoints
    name: Namespaces
  - description: Repository management endpoints.
    name: Repositories
  - description: >-
      Editing a data frame inside a workspace, including its schema and column
      metadata.
    name: Workspace Data Frames
paths:
  /api/repos/{namespace}/{repo_name}/metadata/{resource}:
    put:
      tags:
        - Metadata
      summary: Update file metadata
      description: Update metadata for a file version in the version store.
      operationId: update_metadata
      parameters:
        - description: Namespace of the repository
          example: ox
          in: path
          name: namespace
          required: true
          schema:
            type: string
        - description: Name of the repository
          example: ImageNet-1k
          in: path
          name: repo_name
          required: true
          schema:
            type: string
        - description: Path to the file (including version to update)
          example: >-
            versions/files/b4/158b417c800c7322d711f1816f5c00e1215b4d7c001c9b6892556d11/data
          in: path
          name: resource
          required: true
          schema:
            type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StatusMessage'
          description: Metadata updated
        '400':
          description: Missing version in resource path
        '404':
          description: Repository not found
components:
  schemas:
    StatusMessage:
      properties:
        oxen_version:
          type:
            - string
            - 'null'
        status:
          type: string
        status_message:
          type: string
      required:
        - status
        - status_message
      type: object
  securitySchemes:
    api_key:
      bearerFormat: JWT
      scheme: bearer
      type: http

````