API Playground

Paste two OpenAPI specs and see what breaks. No install required.

Base Spec (v1)

openapi: "3.0.3"
info:
  title: Users API
  version: "1.0.0"
paths:
  /users:
    get:
      summary: List all users
      parameters:
        - name: limit
          in: query
          required: false
          schema:
            type: integer
      responses:
        "200":
          description: OK
          content:
            application/json:
              schema:
                type: array
                items:
                  type: object
                  properties:
                    id:
                      type: integer
                    name:
                      type: string
                    email:
                      type: string
                    role:
                      type: string
                      enum:
                        - admin
                        - editor
                        - viewer
  /users/{id}:
    get:
      summary: Get user by ID
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: integer
      responses:
        "200":
          description: OK
          content:
            application/json:
              schema:
                type: object
                properties:
                  id:
                    type: integer
                  name:
                    type: string
                  email:
                    type: string
                  role:
                    type: string
                    enum:
                      - admin
                      - editor
                      - viewer
    delete:
      summary: Delete user
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: integer
      responses:
        "204":
          description: Deleted

Changed Spec (v2)

openapi: "3.0.3"
info:
  title: Users API
  version: "1.1.0"
paths:
  /users:
    get:
      summary: List all users
      parameters:
        - name: limit
          in: query
          required: true
          schema:
            type: string
      responses:
        "200":
          description: OK
          content:
            application/json:
              schema:
                type: array
                items:
                  type: object
                  properties:
                    id:
                      type: string
                    name:
                      type: string
                    role:
                      type: string
                      enum:
                        - admin
                        - viewer
  /users/{id}:
    get:
      summary: Get user by ID
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: integer
        - name: fields
          in: query
          required: true
          schema:
            type: string
      responses:
        "200":
          description: OK
          content:
            application/json:
              schema:
                type: object
                properties:
                  id:
                    type: integer
                  name:
                    type: string
                  email:
                    type: string
                  role:
                    type: string
                    enum:
                      - admin
                      - editor
                      - viewer