openapi: 3.0.3
info:
  title: IBISWorld Business Environment Classification API
  description: The IBISWorld API provides programmatic access to industry research data, market intelligence reports, business environment profiles, classification systems, and economic forecasts for thousands of industries across global markets. Authentication uses OAuth 2.0 bearer tokens.
  version: v3
  contact:
    name: IBISWorld API Support
    url: https://www.ibisworld.com/api/
  termsOfService: https://www.ibisworld.com/terms-of-use/
servers:
- url: https://api.ibisworld.com/v3
  description: IBISWorld API production endpoint
security:
- OAuth2: []
tags:
- name: Classification
  description: Industry classification systems and taxonomies.
paths:
  /classification/v3/systems:
    post:
      summary: List classification systems
      description: Returns supported industry classification systems and codes.
      operationId: listClassificationSystems
      tags:
      - Classification
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                Country:
                  type: string
      responses:
        '200':
          description: A list of classification systems.
          content:
            application/json:
              schema:
                type: array
                items:
                  type: object
        '401':
          description: Missing or invalid bearer token.
components:
  securitySchemes:
    OAuth2:
      type: oauth2
      description: OAuth 2.0 bearer token authentication.
      flows:
        clientCredentials:
          tokenUrl: https://api.ibisworld.com/oauth/token
          scopes: {}