Words

Overview

Words API provides definitions, synonyms, antonyms, and examples — powered by the WordNet dataset. Auth is a free API key.

⚠️ Status (verified 2026-08): api.wordsapi.com was unreachable from our network (TLS connection failures). This may reflect regional/network blocking — verify from your network before relying on it.

What it provides

curl "https://api.wordsapi.com/v1/words/hello" \
  -H "X-RapidAPI-Key: YOUR_KEY"

{
  "word": "hello",
  "results": [
    { "definition": "an expression of greeting", "partOfSpeech": "noun", "synonyms": ["hi", "howdy"] }
  ]
}

Notes

• The API is distributed via RapidAPI — get a key from the RapidAPI page.
• Auth: X-RapidAPI-Key header.
• Data is WordNet-derived (definitions, synonyms, antonyms, examples, syllables, frequency).

FAQ

Is Words API free? Free RapidAPI tier with a monthly allowance; more is paid.

Why can’t I reach it? Our 2026-08 check hit TLS failures — verify from your network.

How do I get a key? RapidAPI → subscribe to the Words API.