> ## 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.

# Get diff tree

> Get a tree structure of directories that have changed between two revisions.



## OpenAPI

````yaml https://dev.hub.oxen.ai/api/_spec/oxen_server_openapi.json get /api/repos/{namespace}/{repo_name}/compare/{base_head}/tree
openapi: 3.1.0
info:
  description: >-
    Oxen is a fast, unstructured data version control, to help version large
    machine learning datasets written in Rust.
  license:
    name: ''
  title: oxen-server
  version: 0.50.0
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
paths:
  /api/repos/{namespace}/{repo_name}/compare/{base_head}/tree:
    get:
      tags:
        - Compare
      summary: Get diff tree
      description: >-
        Get a tree structure of directories that have changed between two
        revisions.
      operationId: dir_tree
      parameters:
        - description: Namespace of the repository
          example: ox
          in: path
          name: namespace
          required: true
          schema:
            type: string
        - description: Name of the repository
          example: satellite-images
          in: path
          name: repo_name
          required: true
          schema:
            type: string
        - description: The base and head revisions separated by '..'
          example: main..feature/add-labels
          in: path
          name: base_head
          required: true
          schema:
            type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DirTreeDiffResponse'
          description: Directory diff tree found successfully
        '404':
          description: Repository or one of the revisions not found
components:
  schemas:
    DirTreeDiffResponse:
      allOf:
        - $ref: '#/components/schemas/StatusMessage'
        - properties:
            dirs:
              items:
                $ref: '#/components/schemas/DirDiffTreeSummary'
              type: array
          required:
            - dirs
          type: object
    StatusMessage:
      properties:
        oxen_version:
          type:
            - string
            - 'null'
        status:
          type: string
        status_message:
          type: string
      required:
        - status
        - status_message
      type: object
    DirDiffTreeSummary:
      properties:
        can_display:
          type: boolean
        children:
          items:
            $ref: '#/components/schemas/DirDiffStatus'
          type: array
        name:
          type: string
        num_subdirs:
          minimum: 0
          type: integer
        status:
          $ref: '#/components/schemas/DiffEntryStatus'
      required:
        - name
        - status
        - num_subdirs
        - can_display
        - children
      type: object
    DirDiffStatus:
      properties:
        name:
          type: string
        status:
          $ref: '#/components/schemas/DiffEntryStatus'
      required:
        - name
        - status
      type: object
    DiffEntryStatus:
      enum:
        - added
        - modified
        - removed
      type: string
  securitySchemes:
    api_key:
      bearerFormat: JWT
      scheme: bearer
      type: http

````