OpenAPI/Swagger Basics

openapi: 3.0.0
info:
  title: My API
  version: 1.0.0
  description: API for managing users
servers:
  - url: https://api.example.com/v1
paths:
  /users:
    get:
      summary: Get all users
      responses:
        200:
          description: Success

paths:
  /users/{userId}:
    get:
      summary: Get user by ID
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
      responses:
        200:
          description: Success
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/User"

paths:
  /users:
    post:
      summary: Create user
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                email:
                  type: string
              required:
                - name
                - email

components:
  schemas:
    User:
      type: object
      properties:
        id:
          type: string
        name:
          type: string
        email:
          type: string
          format: email
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT