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Free Dictionary API

No authHTTPSDictionaries
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Overview

Definitions, phonetics, pronunciations, parts of speech, examples, synonyms

Free Dictionary is a dictionaries API. It needs no API key. It is served over HTTPS.

At a glance

Authentication
No auth
HTTPS
Yes
CORS
Unknown
Category
Dictionaries

Questions

Does the Free Dictionary API need an API key?

No. The Free Dictionary API can be called without an API key or sign-up, which makes it handy for prototypes and front-end demos.

Does the Free Dictionary API support HTTPS?

Yes, the Free Dictionary API is served over HTTPS.

What are alternatives to the Free Dictionary API?

Other Dictionaries APIs include Oxford, Wordnik, Collins, Synonyms, WordSoHard.

Compare alternatives →

Oxford

Dictionaries

The Oxford Dictionaries API gives you access to our world-renowned dictionary data, including definitions, translations, synonyms, and audio pronunciations.

API key26 endpoints

Wordnik

Dictionaries

The Wordnik API: All the words

API key16 endpoints

Collins

Dictionaries

Bilingual Dictionary and Thesaurus Data

API key

Synonyms

Dictionaries

Synonyms, thesaurus and antonyms information for any given word

API key

WordSoHard

Dictionaries

Word definitions with Scrabble validity and tile score in one call, built for word games

No authCORS

Chinese Character Web

Dictionaries

Chinese character definitions and pronunciations

No auth

Listed from public-apis (MIT), public-apis database (MIT), Free Public APIs.