Word linguistic profile (joined) API

Everything about one word in a single normalized object: part(s) of speech, syllable count, corpus frequency + rarity band, and short sense definitions — a JOIN of Datamuse metadata no single existing endpoint returns. Answers 'give me a full linguistic profile of this word'.

Price$0.01per request

MethodPOST

Route/v1/words/profile

StatusLive

MIME typeapplication/json

Rate limit60/minute

Cache604800s public

wordsprofilepartofspeechsyllablesfrequencydefinitiondatamuselexical

API URLhttps://x402.hexl.dev/v1/words/profile

Integration docs

Example request

{
  "word": "run",
  "maxDefs": 3
}

Example response

{
  "word": "run",
  "found": true,
  "partsOfSpeech": [
    "verb",
    "noun",
    "adjective"
  ],
  "syllables": 1,
  "frequencyPerMillion": 96.445553,
  "zipf": 4.98,
  "band": "common",
  "definitions": [
    {
      "partOfSpeech": "verb",
      "definition": "To move swiftly."
    },
    {
      "partOfSpeech": "verb",
      "definition": "(intransitive) To move forward quickly upon two feet by alternately making a short jump off either foot."
    },
    {
      "partOfSpeech": "verb",
      "definition": "(intransitive) To go at a fast pace; to move quickly."
    }
  ]
}

Input schema

{
  "type": "object",
  "required": [
    "word"
  ],
  "properties": {
    "word": {
      "type": "string"
    },
    "maxDefs": {
      "type": "integer",
      "default": 4,
      "minimum": 1,
      "maximum": 10
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}