published

Wordnik API

The Wordnik API offers developers free access to a comprehensive database of over 800,000 English words, ideal for educational tools and content-rich applications.

Developed by Wordnik

View Source
99.95%Uptime
120msLatency
620Stars
API KeyAuth
NoCredit Card
RESTStyle
v4Version
API Endpoints

Reference for available routes, request structures, and live examples.

Get multiple definitions for a word

Full Endpoint URL
https://api.wordnik.com/v4/word.json/{word}/definitions
Implementation Example
curl -X GET 'https://api.wordnik.com/v4/word.json/{word}/definitions' \
  -H 'Authorization: Bearer YOUR_API_KEY'
Request Payload
{
  "word": "serendipity",
  "limit": 5
}
Expected Response
{
  "text": "The occurrence of events by chance in a happy or beneficial way.",
  "partOfSpeech": "noun"
}
Version:v4
Limit:10000 requests/day
Real-World Applications
  • Integrating dictionary features into educational appsOptimized Capability
  • Enhancing writing tools with word lookup and synonymsOptimized Capability
  • Creating word games and quizzesOptimized Capability
  • Auto-suggest functionality for search input fieldsOptimized Capability
  • Linguistic research and text analysisOptimized Capability
Advantages
  • ✓ Massive database with 800,000+ English words and multiple data points
  • ✓ Multi-dictionary support for comprehensive definitions
  • ✓ Simple authentication and fast onboarding
  • ✓ Active open-source community and detailed documentation
Limitations
  • ✗ Limited to English language only
  • ✗ Higher request quotas require paid plans
  • ✗ No native support for bulk queries
  • ✗ Advanced linguistic features (like parsing) may need external tooling

FAQs

API Specifications

v4
Pricing Model
Freemium (free tier with paid upgrade options)
Credit Card
Not Required
Response Formats
JSON
Supported Languages
7 Languages
SDK Support
Python, Java, Ruby, PHP
Time to Hello World

Under 10 minutes

Rate Limit

1,000 requests/day (free tier), higher limits for paid plans

Free Tier Usage

1,000 requests per day, access to all basic endpoints, no credit card required

Use Case: Best For

Developers creating educational, language, or content apps needing reliable English word data.

Not Recommended For

Projects needing non-English language support or advanced NLP features.

Resources

Documentation Official Website Source Code Pricing Details Postman Collection
#words#dictionary#education

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