openapi: 3.1.0
info:
  title: Jupyter Server REST API
  description: >-
    Core REST API for Jupyter Server, the backend that powers Jupyter Notebook,
    JupyterLab, and other Jupyter web applications. Provides endpoints for
    managing kernels, sessions, contents (notebooks and files), terminals,
    kernel specifications, configuration, and server status.
  version: 2.14.0
  license:
    name: BSD-3-Clause
    url: https://opensource.org/licenses/BSD-3-Clause
  contact:
    name: Jupyter Project
    url: https://jupyter-server.readthedocs.io
    email: jupyter@googlegroups.com
servers:
  - url: http://localhost:8888/api
    description: Local Jupyter Server
externalDocs:
  description: Jupyter Server REST API documentation
  url: https://jupyter-server.readthedocs.io/en/latest/developers/rest-api.html
tags:
  - name: General
    description: Server information, identity, and status.
  - name: Contents
    description: Notebook and file management operations.
  - name: Checkpoints
    description: File checkpoint (snapshot) management.
  - name: Kernels
    description: Kernel lifecycle management.
  - name: Kernelspecs
    description: Available kernel specifications.
  - name: Sessions
    description: Notebook-kernel session management.
  - name: Terminals
    description: Terminal session management.
  - name: Config
    description: Server configuration sections.
paths:
  /:
    get:
      operationId: getApiInfo
      summary: Jupyter Server Get API info
      description: Returns the API version and other server information.
      tags:
        - General
      responses:
        '200':
          description: Server API information.
          content:
            application/json:
              schema:
                type: object
                properties:
                  version:
                    type: string
  /me:
    get:
      operationId: getCurrentUser
      summary: Jupyter Server Get current user
      description: Returns identity information for the authenticated user.
      tags:
        - General
      responses:
        '200':
          description: Identity model for the current user.
  /status:
    get:
      operationId: getServerStatus
      summary: Jupyter Server Get server status
      description: Returns the current server activity, including connections, kernels, and last activity timestamp.
      tags:
        - General
      responses:
        '200':
          description: Server activity model.
  /spec.yaml:
    get:
      operationId: getApiSpec
      summary: Jupyter Server Get API specification
      description: Returns the OpenAPI specification document served by the Jupyter Server.
      tags:
        - General
      responses:
        '200':
          description: OpenAPI specification document.
          content:
            application/yaml:
              schema:
                type: string
  /contents/{path}:
    get:
      operationId: getContents
      summary: Jupyter Server Get contents
      description: Retrieves a file or directory at the given path.
      tags:
        - Contents
      parameters:
        - name: path
          in: path
          required: true
          schema:
            type: string
        - name: type
          in: query
          schema:
            type: string
            enum: [file, directory, notebook]
        - name: format
          in: query
          schema:
            type: string
            enum: [text, base64]
        - name: content
          in: query
          schema:
            type: integer
      responses:
        '200':
          description: Contents model for the requested path.
    post:
      operationId: createContents
      summary: Jupyter Server Create contents
      description: Creates a new file or directory at the given path.
      tags:
        - Contents
      parameters:
        - name: path
          in: path
          required: true
          schema:
            type: string
      responses:
        '201':
          description: Contents model for the newly created item.
    patch:
      operationId: renameContents
      summary: Jupyter Server Rename contents
      description: Renames or moves a file or directory at the given path.
      tags:
        - Contents
      parameters:
        - name: path
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Contents model for the renamed item.
    put:
      operationId: saveContents
      summary: Jupyter Server Save contents
      description: Saves or uploads a file or notebook to the given path.
      tags:
        - Contents
      parameters:
        - name: path
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Contents model for the saved item.
        '201':
          description: Newly created contents model.
    delete:
      operationId: deleteContents
      summary: Jupyter Server Delete contents
      description: Deletes a file or directory at the given path.
      tags:
        - Contents
      parameters:
        - name: path
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: Contents deleted.
  /contents/{path}/checkpoints:
    get:
      operationId: listCheckpoints
      summary: Jupyter Server List checkpoints
      description: Returns the list of checkpoints for a file.
      tags:
        - Checkpoints
      parameters:
        - name: path
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: List of checkpoint objects.
    post:
      operationId: createCheckpoint
      summary: Jupyter Server Create checkpoint
      description: Creates a new checkpoint for the file at path.
      tags:
        - Checkpoints
      parameters:
        - name: path
          in: path
          required: true
          schema:
            type: string
      responses:
        '201':
          description: Newly created checkpoint object.
  /contents/{path}/checkpoints/{checkpoint_id}:
    post:
      operationId: restoreCheckpoint
      summary: Jupyter Server Restore checkpoint
      description: Restores the file from the named checkpoint.
      tags:
        - Checkpoints
      parameters:
        - name: path
          in: path
          required: true
          schema:
            type: string
        - name: checkpoint_id
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: Checkpoint restored.
    delete:
      operationId: deleteCheckpoint
      summary: Jupyter Server Delete checkpoint
      description: Deletes the checkpoint with the given ID.
      tags:
        - Checkpoints
      parameters:
        - name: path
          in: path
          required: true
          schema:
            type: string
        - name: checkpoint_id
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: Checkpoint deleted.
  /sessions:
    get:
      operationId: listSessions
      summary: Jupyter Server List sessions
      description: Returns the list of running sessions.
      tags:
        - Sessions
      responses:
        '200':
          description: List of session objects.
    post:
      operationId: createSession
      summary: Jupyter Server Create session
      description: Creates a new session, optionally starting a new kernel.
      tags:
        - Sessions
      responses:
        '201':
          description: Newly created session object.
  /sessions/{session}:
    get:
      operationId: getSession
      summary: Jupyter Server Get session
      description: Retrieves the session by ID.
      tags:
        - Sessions
      parameters:
        - name: session
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Session object.
    patch:
      operationId: updateSession
      summary: Jupyter Server Update session
      description: Updates the session, for example to change the path or kernel.
      tags:
        - Sessions
      parameters:
        - name: session
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Updated session object.
    delete:
      operationId: deleteSession
      summary: Jupyter Server Delete session
      description: Deletes the session and shuts down its kernel.
      tags:
        - Sessions
      parameters:
        - name: session
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: Session deleted.
  /kernels:
    get:
      operationId: listKernels
      summary: Jupyter Server List kernels
      description: Returns the list of running kernels.
      tags:
        - Kernels
      responses:
        '200':
          description: List of kernel objects.
    post:
      operationId: startKernel
      summary: Jupyter Server Start kernel
      description: Starts a new kernel.
      tags:
        - Kernels
      responses:
        '201':
          description: Newly started kernel object.
  /kernels/{kernel_id}:
    get:
      operationId: getKernel
      summary: Jupyter Server Get kernel
      description: Retrieves the kernel model by ID.
      tags:
        - Kernels
      parameters:
        - name: kernel_id
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Kernel object.
    delete:
      operationId: shutdownKernel
      summary: Jupyter Server Shutdown kernel
      description: Shuts down the kernel.
      tags:
        - Kernels
      parameters:
        - name: kernel_id
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: Kernel shut down.
  /kernels/{kernel_id}/interrupt:
    post:
      operationId: interruptKernel
      summary: Jupyter Server Interrupt kernel
      description: Sends an interrupt signal to the kernel.
      tags:
        - Kernels
      parameters:
        - name: kernel_id
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: Kernel interrupted.
  /kernels/{kernel_id}/restart:
    post:
      operationId: restartKernel
      summary: Jupyter Server Restart kernel
      description: Restarts the kernel.
      tags:
        - Kernels
      parameters:
        - name: kernel_id
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Restarted kernel object.
  /kernelspecs:
    get:
      operationId: listKernelspecs
      summary: Jupyter Server List kernel specifications
      description: Returns the available kernel specifications.
      tags:
        - Kernelspecs
      responses:
        '200':
          description: Kernelspecs object including the default kernel.
  /config/{section_name}:
    get:
      operationId: getConfig
      summary: Jupyter Server Get config section
      description: Retrieves the configuration data for a named section.
      tags:
        - Config
      parameters:
        - name: section_name
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Configuration data for the section.
    patch:
      operationId: updateConfig
      summary: Jupyter Server Update config section
      description: Updates the configuration data for a named section.
      tags:
        - Config
      parameters:
        - name: section_name
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Updated configuration data.
  /terminals:
    get:
      operationId: listTerminals
      summary: Jupyter Server List terminals
      description: Returns the list of running terminal sessions.
      tags:
        - Terminals
      responses:
        '200':
          description: List of terminal objects.
    post:
      operationId: createTerminal
      summary: Jupyter Server Create terminal
      description: Starts a new terminal session.
      tags:
        - Terminals
      responses:
        '200':
          description: Newly created terminal object.
  /terminals/{terminal_id}:
    get:
      operationId: getTerminal
      summary: Jupyter Server Get terminal
      description: Retrieves the terminal session by name.
      tags:
        - Terminals
      parameters:
        - name: terminal_id
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Terminal object.
    delete:
      operationId: deleteTerminal
      summary: Jupyter Server Delete terminal
      description: Deletes the terminal session.
      tags:
        - Terminals
      parameters:
        - name: terminal_id
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: Terminal deleted.
components:
  securitySchemes:
    token:
      type: apiKey
      in: header
      name: Authorization
      description: 'Token-based authentication. Use the form: Authorization: token <token>'
    xsrf:
      type: apiKey
      in: header
      name: X-XSRFToken
      description: XSRF token required for browser-based requests.
security:
  - token: []