Free Dictionary
APIFree REST API for dictionary definitions, phonetics, and word details
Overview
The Free Dictionary API provides a RESTful interface to access comprehensive word information via its primary endpoint: /api/v2/entries/{language}/{word}. Responses are in JSON and include definitions, phonetic transcriptions, audio pronunciation URLs, parts of speech, example sentences, and synonyms. It supports multiple languages (English, Spanish, French, etc.). Ideal for integration into educational apps for language learning, word games for real-time word details, writing tools for synonym suggestions, or browser extensions for quick lookups. No authentication is required, simplifying implementation for developers.
Example Integration (JavaScript)
fetch('https://dictionaryapi.dev/')
.then(res => res.json())
.then(data => console.log(data))
.catch(err => console.error(err)); Key Features
- RESTful
- JSON support
- No Auth required
- Multi-language support
- Phonetics & audio links
- Synonyms & examples
- Parts of speech details
Frequently Asked Questions
? Is Free Dictionary API free to use?
Yes, it is completely free with no subscription fees or hidden costs.
? Does it require an API Key?
No, authentication is not required—you can make requests directly without an API key.
? What is the response format?
All responses are in JSON, containing structured data like definitions, phonetics, parts of speech, examples, and synonyms.
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Tool Info
Pros
- ⊕ Completely free
- ⊕ No API key needed
- ⊕ Rich word data
- ⊕ Easy integration
- ⊕ Multi-language coverage
Cons
- ⊖ No etymology information
- ⊖ No formal SLA
- ⊖ Fair use policy (no strict rate limits)