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OpenAPI Specification

openapi: 3.2.0
info:
  version: 2.0.0
  title: World Bank Indicators Classifications Regions API
  description: 'The World Bank Indicators API provides programmatic access to nearly 16,000 time series development indicators. These indicators include data such as total population, gross domestic product, energy use, poverty rates, health metrics, education statistics, and demographic data across countries and regions. Most data series date back over 50 years. No authentication is required. Supports filtering by date range, country, region, income level, and lending type. Returns data in JSON format with pagination support.

    '
  contact:
    name: World Bank Data Help Desk
    url: https://datahelpdesk.worldbank.org
    email: data@worldbank.org
  license:
    name: Creative Commons Attribution 4.0
    url: https://creativecommons.org/licenses/by/4.0/
servers:
- url: https://api.worldbank.org/v2
  description: World Bank API v2
tags:
- name: Regions
paths:
  /region:
    get:
      summary: List regions
      description: Returns a list of World Bank regions.
      operationId: listRegions
      tags:
      - Regions
      parameters:
      - name: format
        in: query
        description: Response format
        required: false
        schema:
          type: string
          enum:
          - json
          - xml
          default: json
      - name: page
        in: query
        description: Page number
        required: false
        schema:
          type: integer
          default: 1
      - name: per_page
        in: query
        description: Records per page
        required: false
        schema:
          type: integer
          default: 50
      responses:
        '200':
          description: List of regions
          content:
            application/json:
              schema:
                type: array
                items:
                  oneOf:
                  - $ref: '#/components/schemas/PaginationData'
                  - type: array
                    items:
                      $ref: '#/components/schemas/Region'
components:
  schemas:
    PaginationData:
      type: object
      description: Pagination metadata returned as the first element of the response array
      properties:
        page:
          type: integer
          description: Current page number
          example: 1
        pages:
          type: integer
          description: Total number of pages
          example: 10
        per_page:
          type: integer
          description: Records per page
          example: 50
        total:
          type: integer
          description: Total number of records
          example: 500
        sourceid:
          type:
          - string
          - 'null'
          description: Source identifier
          example: '2'
        sourcename:
          type:
          - string
          - 'null'
          description: Source name
          example: World Development Indicators
        lastupdated:
          type:
          - string
          - 'null'
          description: Date of last data update
          example: '2024-06-28'
    Region:
      type: object
      description: World Bank geographic region
      properties:
        id:
          type: string
          description: Region code
          example: EAS
        iso2code:
          type: string
          description: ISO 2-character region code
          example: Z4
        name:
          type: string
          description: Region name
          example: East Asia & Pacific