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OpenParablePublic APIs

Synonyms API

API keyHTTPSDictionaries
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Overview

Synonyms, thesaurus and antonyms information for any given word

Synonyms is a dictionaries API. Requests are authenticated with an API key. It is served over HTTPS.

At a glance

Authentication
API key
HTTPS
Yes
CORS
Unknown
Category
Dictionaries

Questions

Does the Synonyms API need an API key?

Yes. The Synonyms API uses API key authentication; the documentation explains how to get credentials.

Does the Synonyms API support HTTPS?

Yes, the Synonyms API is served over HTTPS.

What are alternatives to the Synonyms API?

Other Dictionaries APIs include Oxford, Wordnik, Collins, Free Dictionary, 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

Free Dictionary

Dictionaries

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

No auth

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).