Wolfram|Alpha Short Answers API

openapi: 3.1.0
info:
  title: Wolfram|Alpha Short Answers API
  description: >-
    The Wolfram|Alpha Short Answers API returns a single concise plain-text
    answer from Wolfram|Alpha. Designed for chatbots, mobile apps, smartwatches,
    and any context requiring brief factual responses. Returns HTTP 501 when no
    sufficiently short answer is available.
  version: '1.0'
  contact:
    name: Wolfram|Alpha Developer Support
    url: https://developer.wolframalpha.com/
  termsOfService: https://products.wolframalpha.com/api/documentation
  x-generated-from: documentation
servers:
- url: https://api.wolframalpha.com/v1
  description: Wolfram|Alpha v1 API Server
security:
- AppID: []
tags:
- name: Queries
  description: Submit queries for concise plain-text answers
paths:
  /result:
    get:
      operationId: queryShortAnswer
      summary: Wolfram|Alpha Get Short Answer
      description: >-
        Submit a natural language query and receive a single concise plain-text
        answer. Suitable for chatbots, voice assistants, and constrained display
        contexts. Returns HTTP 501 when the query has no short answer.
      tags:
      - Queries
      parameters:
      - name: appid
        in: query
        required: true
        description: Wolfram|Alpha AppID for authentication.
        schema:
          type: string
          example: DEMO-APP-ID
        example: DEMO-APP-ID
      - name: i
        in: query
        required: true
        description: URL-encoded input query string.
        schema:
          type: string
          example: How far is the Moon from Earth?
        example: How far is the Moon from Earth?
      - name: units
        in: query
        required: false
        description: Measurement system preference. Values are metric or imperial.
        schema:
          type: string
          enum: [metric, imperial]
          example: metric
        example: metric
      - name: timeout
        in: query
        required: false
        description: Maximum processing time in seconds. Default is 5.
        schema:
          type: integer
          example: 5
        example: 5
      responses:
        '200':
          description: Successful short text answer.
          content:
            text/plain:
              schema:
                type: string
                description: Single plain-text answer from Wolfram|Alpha.
                example: 384,400 kilometers
              examples:
                QueryShortAnswer200Example:
                  summary: Default queryShortAnswer 200 response
                  x-microcks-default: true
                  value: 384,400 kilometers
        '400':
          description: Bad request - input parameter missing or invalid.
        '403':
          description: Invalid or missing AppID.
        '501':
          description: Input cannot be interpreted or no short answer available.
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  securitySchemes:
    AppID:
      type: apiKey
      in: query
      name: appid
      description: Wolfram|Alpha AppID passed as query parameter.