Jupyter Server Kernels API

Kernel lifecycle management.

Operations 6

GET /kernels Jupyter Server List kernels #
POST /kernels Jupyter Server Start kernel #
GET /kernels/{kernel_id} Jupyter Server Get kernel #
DELETE /kernels/{kernel_id} Jupyter Server Shutdown kernel #
POST /kernels/{kernel_id}/interrupt Jupyter Server Interrupt kernel #
POST /kernels/{kernel_id}/restart Jupyter Server Restart kernel #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/jupyter-server-kernels-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

jupyter-server-kernels-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Jupyter Server REST Checkpoints Kernels 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
security:
- token: []
tags:
- name: Kernels
  description: Kernel lifecycle management.
paths:
  /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.
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.
externalDocs:
  description: Jupyter Server REST API documentation
  url: https://jupyter-server.readthedocs.io/en/latest/developers/rest-api.html