Wordnik Word List API

Read and write operations on an individual user word list.

Operations 6

PUT /wordList.json/{permalink} Update A Word List #
DELETE /wordList.json/{permalink} Delete A Word List #
GET /wordList.json/{permalink}/words Return Words In A Word List #
POST /wordList.json/{permalink}/words Add Words To A Word List #
POST /wordList.json/{permalink}/deleteWords Delete Words From A Word List #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/wordnik-word-list-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

wordnik-word-list-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Wordnik Account Word List 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: '2.0'
  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
servers:
- url: https://api.wordnik.com/v4
  description: Wordnik v4 production API
security:
- api_key: []
tags:
- name: Word List
  description: Read and write operations on an individual user word list.
paths:
  /wordList.json/{permalink}:
    get:
      operationId: getWordListByPermalink
      summary: Return A Word List By Permalink
      description: Returns the WordList identified by the supplied permalink.
      tags:
      - Word List
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      x-schema-source: sdk
      x-sdk-repo: https://github.com/wordnik/wordnik-clients
      parameters:
      - name: permalink
        in: path
        required: true
        description: Permalink of the word list.
        schema:
          type: string
      - name: auth_token
        in: header
        required: true
        description: A valid user auth token.
        schema:
          type: string
      responses:
        '200':
          description: The WordList payload.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WordList'
    put:
      operationId: updateWordList
      summary: Update A Word List
      description: Updates the WordList identified by the supplied permalink.
      tags:
      - Word List
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      x-schema-source: sdk
      x-sdk-repo: https://github.com/wordnik/wordnik-clients
      parameters:
      - name: permalink
        in: path
        required: true
        description: Permalink of the word list.
        schema:
          type: string
      - 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:
        '204':
          description: WordList updated.
    delete:
      operationId: deleteWordList
      summary: Delete A Word List
      description: Deletes the WordList identified by the supplied permalink.
      tags:
      - Word List
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      x-schema-source: sdk
      x-sdk-repo: https://github.com/wordnik/wordnik-clients
      parameters:
      - name: permalink
        in: path
        required: true
        description: Permalink of the word list.
        schema:
          type: string
      - name: auth_token
        in: header
        required: true
        description: A valid user auth token.
        schema:
          type: string
      responses:
        '204':
          description: WordList deleted.
  /wordList.json/{permalink}/words:
    get:
      operationId: getWordListWords
      summary: Return Words In A Word List
      description: Returns the words contained in the WordList identified by the supplied permalink.
      tags:
      - Word List
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      x-schema-source: sdk
      x-sdk-repo: https://github.com/wordnik/wordnik-clients
      parameters:
      - name: permalink
        in: path
        required: true
        description: Permalink of the word list.
        schema:
          type: string
      - name: auth_token
        in: header
        required: true
        description: A valid user auth token.
        schema:
          type: string
      - name: sortBy
        in: query
        required: false
        description: Attribute to sort by.
        schema:
          type: string
          enum:
          - alpha
          - createDate
      - name: sortOrder
        in: query
        required: false
        description: Sort direction.
        schema:
          type: string
          enum:
          - asc
          - desc
      - name: skip
        in: query
        required: false
        description: Results to skip.
        schema:
          type: integer
          format: int32
          default: 0
      - name: limit
        in: query
        required: false
        description: Maximum number of results to return.
        schema:
          type: integer
          format: int32
          default: 100
      responses:
        '200':
          description: Array of WordListWord entries.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/WordListWord'
    post:
      operationId: addWordsToWordList
      summary: Add Words To A Word List
      description: Adds one or more words to the WordList identified by the supplied permalink.
      tags:
      - Word List
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      x-schema-source: sdk
      x-sdk-repo: https://github.com/wordnik/wordnik-clients
      parameters:
      - name: permalink
        in: path
        required: true
        description: Permalink of the word list.
        schema:
          type: string
      - name: auth_token
        in: header
        required: true
        description: A valid user auth token.
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: array
              items:
                $ref: '#/components/schemas/StringValue'
      responses:
        '204':
          description: Words added to the WordList.
  /wordList.json/{permalink}/deleteWords:
    post:
      operationId: deleteWordsFromWordList
      summary: Delete Words From A Word List
      description: Removes one or more words from the WordList identified by the supplied permalink.
      tags:
      - Word List
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      x-schema-source: sdk
      x-sdk-repo: https://github.com/wordnik/wordnik-clients
      parameters:
      - name: permalink
        in: path
        required: true
        description: Permalink of the word list.
        schema:
          type: string
      - name: auth_token
        in: header
        required: true
        description: A valid user auth token.
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: array
              items:
                $ref: '#/components/schemas/StringValue'
      responses:
        '204':
          description: Words removed from the WordList.
components:
  schemas:
    StringValue:
      type: object
      properties:
        word:
          type: string
    WordListWord:
      type: object
      required:
      - id
      properties:
        createdAt:
          type: string
          format: date-time
        id:
          type: integer
          format: int64
        numberCommentsOnWord:
          type: integer
          format: int64
        numberLists:
          type: integer
          format: int64
        userId:
          type: integer
          format: int64
        username:
          type: string
        word:
          type: string
    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