Stack Overflow Search API

openapi: 3.1.0
info:
  title: Stack Overflow for Teams Answers Search API
  description: The Stack Overflow for Teams API v3 provides read and write access to private team knowledge bases hosted on Stack Overflow for Teams. It supports managing questions, answers, articles, user groups, subject matter experts (SMEs), tags, and team members. The API uses Personal Access Token (PAT) authentication via the Authorization Bearer header. Business tier subscriptions have read/write access; Basic tier has read-only access.
  version: v3
  contact:
    name: Stack Overflow for Teams Support
    url: https://stackoverflow.com/teams
  termsOfService: https://stackoverflow.com/legal/terms-of-service
servers:
- url: https://api.stackoverflowteams.com/v3
  description: Stack Overflow for Teams API v3
security:
- bearerAuth: []
tags:
- name: Search
  description: Operations for searching Stack Overflow questions and content.
paths:
  /search:
    get:
      operationId: searchQuestions
      summary: Search Questions
      description: Searches Stack Overflow questions by title text, tags, and exclusion tags. At least one of intitle, tagged, or nottagged must be specified.
      tags:
      - Search
      parameters:
      - $ref: '#/components/parameters/site'
      - $ref: '#/components/parameters/page'
      - $ref: '#/components/parameters/pagesize'
      - $ref: '#/components/parameters/order'
      - $ref: '#/components/parameters/sort'
      - name: intitle
        in: query
        schema:
          type: string
        description: Text that must appear in question titles
      - $ref: '#/components/parameters/tagged'
      - name: nottagged
        in: query
        schema:
          type: string
        description: Semicolon-delimited tags to exclude from results
      - $ref: '#/components/parameters/filter'
      responses:
        '200':
          description: Questions matching the search criteria
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/QuestionsResponse'
  /search/advanced:
    get:
      operationId: searchAdvanced
      summary: Advanced Search
      description: Performs an advanced search of Stack Overflow questions with filters for acceptance status, answer count, body text, closure status, tags, user, view count, and wiki status.
      tags:
      - Search
      parameters:
      - $ref: '#/components/parameters/site'
      - $ref: '#/components/parameters/page'
      - $ref: '#/components/parameters/pagesize'
      - $ref: '#/components/parameters/order'
      - $ref: '#/components/parameters/sort'
      - name: q
        in: query
        schema:
          type: string
        description: Full-text search query
      - name: accepted
        in: query
        schema:
          type: boolean
        description: Filter for questions with accepted answers
      - name: answers
        in: query
        schema:
          type: integer
        description: Minimum number of answers required
      - name: body
        in: query
        schema:
          type: string
        description: Text that must appear in the question body
      - name: closed
        in: query
        schema:
          type: boolean
        description: Filter for closed or open questions
      - $ref: '#/components/parameters/tagged'
      - name: title
        in: query
        schema:
          type: string
        description: Text that must appear in the question title
      - name: user
        in: query
        schema:
          type: integer
        description: Filter by user ID
      - name: views
        in: query
        schema:
          type: integer
        description: Minimum number of views required
      - $ref: '#/components/parameters/filter'
      responses:
        '200':
          description: Questions matching the advanced search criteria
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/QuestionsResponse'
  /similar:
    get:
      operationId: findSimilarQuestions
      summary: Find Similar Questions
      description: Returns questions similar to a given title. Useful for finding existing answers before posting a new question.
      tags:
      - Search
      parameters:
      - $ref: '#/components/parameters/site'
      - name: title
        in: query
        required: true
        schema:
          type: string
        description: Question title to find similar questions for
      - $ref: '#/components/parameters/page'
      - $ref: '#/components/parameters/pagesize'
      - $ref: '#/components/parameters/tagged'
      - $ref: '#/components/parameters/filter'
      responses:
        '200':
          description: Questions similar to the provided title
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/QuestionsResponse'
components:
  schemas:
    Question:
      type: object
      properties:
        question_id:
          type: integer
        title:
          type: string
        body:
          type: string
        score:
          type: integer
        view_count:
          type: integer
        answer_count:
          type: integer
        accepted_answer_id:
          type: integer
        is_answered:
          type: boolean
        creation_date:
          type: integer
        last_activity_date:
          type: integer
        owner:
          $ref: '#/components/schemas/ShallowUser'
        tags:
          type: array
          items:
            type: string
        link:
          type: string
          format: uri
        bounty_amount:
          type: integer
        bounty_closes_date:
          type: integer
    QuestionsResponse:
      allOf:
      - $ref: '#/components/schemas/Wrapper'
      - type: object
        properties:
          items:
            type: array
            items:
              $ref: '#/components/schemas/Question'
    ShallowUser:
      type: object
      properties:
        user_id:
          type: integer
        display_name:
          type: string
        reputation:
          type: integer
        user_type:
          type: string
          enum:
          - unregistered
          - registered
          - moderator
        profile_image:
          type: string
          format: uri
        link:
          type: string
          format: uri
    Wrapper:
      type: object
      properties:
        items:
          type: array
          items:
            type: object
        has_more:
          type: boolean
        quota_max:
          type: integer
        quota_remaining:
          type: integer
        backoff:
          type: integer
        total:
          type: integer
  parameters:
    order:
      name: order
      in: query
      schema:
        type: string
        enum:
        - asc
        - desc
        default: desc
      description: Sort order
    site:
      name: site
      in: query
      required: true
      schema:
        type: string
        default: stackoverflow
      description: Stack Exchange site identifier (use stackoverflow for Stack Overflow)
    filter:
      name: filter
      in: query
      schema:
        type: string
      description: Filter to control which fields are returned
    page:
      name: page
      in: query
      schema:
        type: integer
        minimum: 1
        default: 1
      description: Page number (1-indexed)
    pagesize:
      name: pagesize
      in: query
      schema:
        type: integer
        minimum: 0
        maximum: 100
        default: 30
      description: Number of results per page (max 100)
    sort:
      name: sort
      in: query
      schema:
        type: string
      description: Field to sort results by
    tagged:
      name: tagged
      in: query
      schema:
        type: string
      description: Semicolon-delimited list of tags to filter by
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: Personal Access Token (PAT) authentication. Pass your PAT as a Bearer token in the Authorization header. Generate tokens from your Stack Overflow for Teams account settings.
externalDocs:
  description: Stack Overflow for Teams API Documentation
  url: https://api.stackoverflowteams.com/docs