openapi: 3.1.0
info:
  title: W3C Affiliations Groups API
  version: 1.0.0
  summary: Read-only JSON API for W3C specifications, groups, ecosystems, translations, and affiliations.
  description: 'The W3C API provides programmatic access to W3C data including specifications,

    working groups, editors, translations, and affiliations.


    All access is over HTTPS via `api.w3.org`. Data is returned as JSON with

    ISO 8601 timestamps. No authentication is required; the rate limit is

    6000 requests per IP per 10 minutes.


    Documentation: https://api.w3.org/doc

    '
  contact:
    name: W3C
    url: https://www.w3.org/
servers:
- url: https://api.w3.org
  description: W3C public read-only API
tags:
- name: Groups
paths:
  /groups:
    get:
      tags:
      - Groups
      summary: List groups
      operationId: listGroups
      parameters:
      - $ref: '#/components/parameters/Page'
      - $ref: '#/components/parameters/Items'
      - $ref: '#/components/parameters/Embed'
      responses:
        '200':
          description: Paginated groups collection
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GroupList'
  /groups/{id}:
    parameters:
    - $ref: '#/components/parameters/NumericID'
    get:
      tags:
      - Groups
      summary: Get a group by ID
      operationId: getGroup
      responses:
        '200':
          description: Group details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Group'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  schemas:
    GroupList:
      type: object
      properties:
        page:
          type: integer
        limit:
          type: integer
        pages:
          type: integer
        total:
          type: integer
        _links:
          allOf:
          - $ref: '#/components/schemas/HalLinks'
          - type: object
            properties:
              groups:
                type: array
                items:
                  $ref: '#/components/schemas/Link'
    HalLinks:
      type: object
      properties:
        self:
          $ref: '#/components/schemas/Link'
        first:
          $ref: '#/components/schemas/Link'
        last:
          $ref: '#/components/schemas/Link'
        next:
          $ref: '#/components/schemas/Link'
        prev:
          $ref: '#/components/schemas/Link'
    Error:
      type: object
      properties:
        code:
          type: integer
        message:
          type: string
    Group:
      type: object
      properties:
        id:
          type: integer
        name:
          type: string
        is_closed:
          type: boolean
        description:
          type: string
        shortname:
          type: string
        type:
          type: string
          examples:
          - working group
          - interest group
          - community group
          - business group
        start-date:
          type: string
          format: date
        end-date:
          type: string
          format: date
        _links:
          type: object
          additionalProperties: true
    Link:
      type: object
      properties:
        href:
          type: string
          format: uri
        title:
          type: string
  parameters:
    Embed:
      name: embed
      in: query
      description: Embed related resources on supported routes.
      schema:
        type: boolean
    Page:
      name: page
      in: query
      description: Page number (default 1).
      schema:
        type: integer
        default: 1
        minimum: 1
    Items:
      name: items
      in: query
      description: Page size (default 100, max 1000).
      schema:
        type: integer
        default: 100
        minimum: 1
        maximum: 1000
    NumericID:
      name: id
      in: path
      required: true
      schema:
        type: integer
  responses:
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'