recursive-pet-store-v2.yaml

swagger: '2.0'
info:
  description: "This spec is mainly for testing Petstore server"
  version: 1.0.0
  title: OpenAPI Petstore
  license:
    name: Apache-2.0
    url: 'http://www.apache.org/licenses/LICENSE-2.0.html'
host: petstore.swagger.io:80
basePath: /v2
tags:
  - name: pet
    description: Everything about your Pets
schemes:
  - http
paths:
  /pet:
    post:
      tags:
        - pet
      summary: Add a new pet to the store
      description: ''
      operationId: addPet
      consumes:
        - application/json
      produces:
        - application/json
      parameters:
        - in: body
          name: body
          description: Pet object that needs to be added to the store
          required: true
          schema:
            $ref: '#/definitions/Pet'
      responses:
        '400':
          description: Invalid input
definitions:
  Pet:
    type: object
    required:
      - name
    properties:
      id:
        type: integer
        format: int64
        x-is-unique: true
      name:
        type: string
        example: doggie
      pets:
        type: array
        items:
          $ref: '#/definitions/Pet'

recursive-pet-store-v3.yaml

openapi: 3.0.0
info:
  description: This spec is mainly for testing Petstore server
  version: 1.0.0
  title: OpenAPI Petstore
  license:
    name: Apache-2.0
    url: http://www.apache.org/licenses/LICENSE-2.0.html
tags:
  - name: pet
    description: Everything about your Pets
paths:
  /pet:
    post:
      tags:
        - pet
      summary: Add a new pet to the store
      description: ""
      operationId: addPet
      requestBody:
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/Pet"
        description: Pet object that needs to be added to the store
        required: true
      responses:
        "400":
          description: Invalid input
servers:
  - url: http://petstore.swagger.io:80/v2
components:
  schemas:
    Pet:
      type: object
      required:
        - name
      properties:
        id:
          type: integer
          format: int64
          x-is-unique: true
        name:
          type: string
          example: doggie
        pets:
          type: array
          items:
            $ref: "#/components/schemas/Pet"