Words
APIAPI for definitions, synonyms & more for 150k+ English words
Overview
Words API provides RESTful endpoints to access definitions, synonyms, antonyms, examples, and part-of-speech data for over 150,000 words. Responses are JSON-formatted for easy parsing. Key endpoints include GET /word/{word} (comprehensive word details), GET /word/{word}/definitions, and GET /word/{word}/synonyms. Ideal for building dictionary apps, writing assistants, educational tools (vocabulary quizzes), or content platforms needing word enrichment. Authentication requires an API key.
Example Integration (JavaScript)
fetch('https://www.wordsapi.com/docs/')
.then(res => res.json())
.then(data => console.log(data))
.catch(err => console.error(err)); Key Features
- RESTful architecture
- JSON responses
- 150k+ word coverage
- Definitions & synonyms
- Antonyms & examples
- Part-of-speech data
Frequently Asked Questions
? Is Words free to use?
Yes, it offers a freemium model—free tier with limited requests, paid plans for higher limits and advanced features.
? Does it require an API Key?
Yes, you need to sign up for an API key to authenticate all requests.
? What is the response format?
All responses are in JSON format, lightweight and compatible with most programming languages.
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Tool Info
Pros
- ⊕ Large word database
- ⊕ Detailed metadata
- ⊕ Easy integration
- ⊕ CORS support
- ⊕ Comprehensive docs
Cons
- ⊖ Requires API key
- ⊖ Rate limits on free tier
- ⊖ No XML format
- ⊖ Paid tiers for advanced use