openapi: 3.1.0
info:
  title: Stack Exchange Answers Badges API
  description: The Stack Exchange API v2.3 provides programmatic access to the Stack Exchange network of Q&A sites, including Stack Overflow, Server Fault, Super User, and hundreds of other communities. The API supports reading and writing questions, answers, comments, tags, users, and other content. Authentication is via OAuth 2.0 with access tokens. All responses are JSON-encoded and support GZIP compression.
  version: '2.3'
  contact:
    name: Stack Exchange API Support
    url: http://stackapps.com/
    email: team+api@stackexchange.com
  termsOfService: https://stackexchange.com/legal/api-terms-of-use
servers:
- url: https://api.stackexchange.com/2.3
  description: Stack Exchange API v2.3
security:
- oauth2: []
- {}
tags:
- name: Badges
  description: Operations for retrieving badge definitions and badge awards on Stack Exchange sites.
paths:
  /badges:
    get:
      operationId: getBadges
      summary: Get All Badges
      description: Returns all badges in the system. Badges are awarded to users for performing actions or achieving goals on a Stack Exchange site.
      tags:
      - Badges
      parameters:
      - $ref: '#/components/parameters/site'
      - $ref: '#/components/parameters/page'
      - $ref: '#/components/parameters/pagesize'
      - $ref: '#/components/parameters/order'
      - $ref: '#/components/parameters/sort'
      - name: inname
        in: query
        schema:
          type: string
        description: Filter badges whose name contains this string
      - $ref: '#/components/parameters/filter'
      responses:
        '200':
          description: A list of badges
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BadgesResponse'
  /badges/{ids}:
    get:
      operationId: getBadgesByIds
      summary: Get Badges by IDs
      description: Returns badges identified by the provided semicolon-delimited list of badge IDs.
      tags:
      - Badges
      parameters:
      - name: ids
        in: path
        required: true
        schema:
          type: string
        description: Semicolon-delimited list of badge IDs
      - $ref: '#/components/parameters/site'
      - $ref: '#/components/parameters/filter'
      responses:
        '200':
          description: Badges matching the provided IDs
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BadgesResponse'
components:
  parameters:
    order:
      name: order
      in: query
      schema:
        type: string
        enum:
        - asc
        - desc
        default: desc
      description: Sort order for results
    site:
      name: site
      in: query
      required: true
      schema:
        type: string
        default: stackoverflow
      description: The Stack Exchange site to query. Use the API name of the site, e.g., stackoverflow, serverfault, superuser.
      example: stackoverflow
    filter:
      name: filter
      in: query
      schema:
        type: string
      description: A filter to control which fields are returned in the response. Use the /filter endpoint to create custom filters.
    page:
      name: page
      in: query
      schema:
        type: integer
        minimum: 1
        default: 1
      description: The page number to return (1-indexed)
    pagesize:
      name: pagesize
      in: query
      schema:
        type: integer
        minimum: 0
        maximum: 100
        default: 30
      description: Number of results to return per page (max 100)
    sort:
      name: sort
      in: query
      schema:
        type: string
      description: The field to sort results by (varies by endpoint)
  schemas:
    BadgesResponse:
      allOf:
      - $ref: '#/components/schemas/Wrapper'
      - type: object
        properties:
          items:
            type: array
            items:
              $ref: '#/components/schemas/Badge'
    Wrapper:
      type: object
      description: Standard Stack Exchange API response wrapper containing items, pagination info, and backoff/quota information.
      properties:
        items:
          type: array
          description: The list of items returned
          items:
            type: object
        has_more:
          type: boolean
          description: Whether there are more results available
        quota_max:
          type: integer
          description: Maximum number of requests allowed per day
        quota_remaining:
          type: integer
          description: Number of requests remaining for today
        backoff:
          type: integer
          description: Number of seconds to wait before making additional requests if the API has asked for backoff
        total:
          type: integer
          description: Total number of items available
        page:
          type: integer
          description: Current page number
        page_size:
          type: integer
          description: Number of items per page
        type:
          type: string
          description: The type of items in the response
        error_id:
          type: integer
          description: Error identifier if an error occurred
        error_message:
          type: string
          description: Human-readable error description
        error_name:
          type: string
          description: Machine-readable error name
    Badge:
      type: object
      description: A badge on a Stack Exchange site
      properties:
        badge_id:
          type: integer
          description: Unique identifier of the badge
        name:
          type: string
          description: Name of the badge
        description:
          type: string
          description: Description of how the badge is awarded
        award_count:
          type: integer
          description: Number of times this badge has been awarded
        badge_type:
          type: string
          enum:
          - named
          - tag_based
          description: Whether this is a named badge or a tag-based badge
        rank:
          type: string
          enum:
          - bronze
          - silver
          - gold
          description: The tier of the badge
        link:
          type: string
          format: uri
          description: Link to the badge description page
  securitySchemes:
    oauth2:
      type: oauth2
      description: OAuth 2.0 authentication for Stack Exchange API. Register an application at http://stackapps.com/apps/oauth to obtain client credentials.
      flows:
        authorizationCode:
          authorizationUrl: https://stackoverflow.com/oauth
          tokenUrl: https://stackoverflow.com/oauth/access_token/json
          scopes:
            no_expiry: Issues an access token that does not expire
            write_access: Allows write access to a user's data
            private_info: Access a user's private information
externalDocs:
  description: Stack Exchange API Documentation
  url: https://api.stackexchange.com/docs