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OpenAPI Specification

openapi: 3.2.0
info:
  title: Selenium WebDriver (W3C Wire Protocol) Cookies Session API
  description: Selenium WebDriver implements the W3C WebDriver protocol — a platform- and language-neutral HTTP wire protocol used by out-of-process programs to remotely instruct browsers. This OpenAPI definition lists common endpoints exposed by a WebDriver remote end (e.g. a Selenium Grid node, selenium-standalone, or a browser-specific driver such as chromedriver/geckodriver). No authentication is defined by the W3C protocol itself; deployments typically front the endpoint with a reverse proxy or run on a private network.
  version: '1.0'
  contact:
    name: Selenium
    url: https://www.selenium.dev/documentation/webdriver/
servers:
- url: http://localhost:4444/wd/hub
  description: Default Selenium standalone / Grid endpoint
- url: http://localhost:9515
  description: ChromeDriver default port
- url: http://localhost:4444
  description: Geckodriver / generic WebDriver default
tags:
- name: Session
  description: Session lifecycle
paths:
  /session:
    post:
      tags:
      - Session
      summary: Create a new WebDriver session
      operationId: createSession
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                capabilities:
                  type: object
                  description: W3C capabilities request (alwaysMatch, firstMatch)
      responses:
        '200':
          description: Session created
  /session/{sessionId}:
    parameters:
    - $ref: '#/components/parameters/SessionId'
    delete:
      tags:
      - Session
      summary: Terminate a session
      operationId: deleteSession
      responses:
        '200':
          description: Session deleted
components:
  parameters:
    SessionId:
      in: path
      name: sessionId
      required: true
      schema:
        type: string
      description: WebDriver session ID