Wolfram|Alpha Spoken Results API

openapi: 3.1.0
info:
  title: Wolfram|Alpha Spoken Results API
  description: >-
    The Wolfram|Alpha Spoken Results API returns answers optimized for audio
    delivery. Results are plain text formatted to be read aloud naturally,
    suitable for voice assistants, automotive systems, smart speakers, and
    accessibility features.
  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 to receive spoken-word formatted text answers
paths:
  /spoken:
    get:
      operationId: querySpokenResults
      summary: Wolfram|Alpha Get Spoken Result
      description: >-
        Submit a natural language query and receive a plain-text answer
        formatted for audio delivery. Results are phrased naturally for
        text-to-speech conversion, suitable for voice assistants, automotive
        applications, and accessibility features.
      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 tall is Mount Everest?
        example: How tall is Mount Everest?
      - name: units
        in: query
        required: false
        description: Measurement system preference. Values are metric or imperial.
        schema:
          type: string
          enum: [metric, imperial]
          example: imperial
        example: imperial
      - 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: Spoken-text formatted answer from Wolfram|Alpha.
          content:
            text/plain:
              schema:
                type: string
                description: Plain-text answer formatted for audio delivery.
                example: Mount Everest is approximately 29,032 feet or about 8,849 meters tall.
              examples:
                QuerySpokenResults200Example:
                  summary: Default querySpokenResults 200 response
                  x-microcks-default: true
                  value: Mount Everest is approximately 29,032 feet or about 8,849 meters tall.
        '400':
          description: Bad request - input parameter missing or invalid.
        '403':
          description: Invalid or missing AppID.
        '501':
          description: Input cannot be interpreted or no spoken result 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.