Wordnik Word Lists API

openapi: 3.0.3
info:
  title: Wordnik Account Word Lists API
  description: 'Wordnik is the world''s biggest online English dictionary. The Wordnik API exposes

    word definitions (from five dictionaries), etymologies, real example sentences from

    millions of sources, audio pronunciations, related-word relationships, frequency data,

    hyphenation, phrases, scrabble scores, random words, reverse-dictionary lookup,

    word-of-the-day, and user word lists.'
  version: '4.0'
  contact:
    name: Wordnik API Team
    email: apiteam@wordnik.com
    url: https://developer.wordnik.com
  termsOfService: https://www.wordnik.com/about
  license:
    name: Wordnik Terms of Service
    url: https://www.wordnik.com/about
  x-providerName: wordnik.com
  x-apisguru-categories:
  - text
  x-logo:
    url: https://wordnik.com/img/logo-wordnik-home.png
  x-last-validated: '2026-05-29'
  x-origin:
  - format: openapi
    url: https://developer.wordnik.com/api-docs/swagger.json
    version: '2.0'
servers:
- url: https://api.wordnik.com/v4
  description: Wordnik v4 production API
security:
- api_key: []
tags:
- name: Word Lists
  description: Create new user word lists.
paths:
  /wordLists.json:
    post:
      operationId: createWordList
      summary: Create A New Word List
      description: Creates a new word list owned by the authenticated user. Endpoint surface verified from the Wordnik official client SDK (wordnik-clients/java WordListsApi).
      tags:
      - Word Lists
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      x-schema-source: sdk
      x-sdk-repo: https://github.com/wordnik/wordnik-clients
      parameters:
      - name: auth_token
        in: header
        required: true
        description: A valid user auth token.
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/WordList'
      responses:
        '200':
          description: The created WordList.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WordList'
components:
  schemas:
    WordList:
      type: object
      required:
      - id
      properties:
        createdAt:
          type: string
          format: date-time
        description:
          type: string
        id:
          type: integer
          format: int64
        lastActivityAt:
          type: string
          format: date-time
        name:
          type: string
        numberWordsInList:
          type: integer
          format: int64
        permalink:
          type: string
        type:
          type: string
          enum:
          - PUBLIC
          - PRIVATE
        updatedAt:
          type: string
          format: date-time
        userId:
          type: integer
          format: int64
        username:
          type: string
  securitySchemes:
    api_key:
      type: apiKey
      name: api_key
      in: query
      description: Wordnik issues per-account API keys; pass via the `api_key` query parameter on every request.
    auth_token:
      type: apiKey
      name: auth_token
      in: header
      description: User auth token returned by `/account.json/authenticate/{username}`; required for user-scoped account and word-list operations.
externalDocs:
  description: Wordnik Developer Documentation
  url: https://developer.wordnik.com