Dictionary API
Definitions, synonyms, antonyms, rhymes, and semantic search — a complete linguistic data API for writing tools and language learning.
Dashboard
A live look at what this API returns, refreshed daily.
Live snapshot
Real response from the API · refreshed daily
GET /search?q=innovation
Try it live
Real input, real response — straight from the API, right here.
Look up a word
Definitions, synonyms and related words.
What you can build
Common ways developers use the Dictionary API.
Add language learning without building or maintaining the data pipeline yourself.
Wire writing assistants into your product in an afternoon with a documented endpoint.
Swap fragile scraping for a reliable, supported source for NLP enrichment.
Quick start
Subscribe on RapidAPI, grab your key, and call it.
curl --request GET \
--url 'https://dictionary-by-datanest.p.rapidapi.com/search?q=innovation' \
--header 'x-rapidapi-host: dictionary-by-datanest.p.rapidapi.com' \
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Dictionary updates
Get notified about new Dictionary endpoints and live data highlights.