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Wordnik

Dictionary Data

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API keyHTTPSNo CORSDictionaries

Verified 4 days ago: 100% uptime

API key

Required

HTTPS

Supported

Browser calls

No, needs a proxy

Status

Live · 100/100

What our checks found

Health score
100/100
Reliability
100%
Average latency
1762ms

Last checked 2026-09-18. Measured independently, not self-reported by the provider.

How to call it

A starting template for Wordnik. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.

# Requires an API key. Check the docs for whether it goes in a header or a query parameter.
curl -s "https://developer.wordnik.com/ENDPOINT" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Accept: application/json"

This API does not send CORS headers, so a browser will block a direct call from your front end. Call it from your server, or put a small proxy in front of it.

Where this listing comes from

Aggregated from 2 public sources (public-api-lists, public-apis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.

Other Dictionaries APIs

See all 15

Wiktionary

Dictionaries

Collaborative dictionary data

No keyHTTPS

Verified 4 days ago: 100% uptime

View Details

Chinese Text Project

Dictionaries

The CTP API provides integration methods for connecting the functionality and content of the Chinese Text Project with external web applications. It consists of a Plugin API for adding external tools and a JSON API for leveraging CTP features externally.

No keyHTTPS

Verified 4 days ago: 100% uptime

View Details

Synonyms

Dictionaries

Synonyms, thesaurus and antonyms information for any given word

API keyCORSHTTPS

Verified 4 days ago: 100% uptime

View Details

Free Dictionary

Dictionaries

This API allows users to access word definitions, phonetics, and usage examples by sending a request with a specific English word. It serves as a resource for developers building applications that require linguistic data, enhancing learning and communication tools.

No keyHTTPS

Verified 4 days ago: 43% uptime

View Details

Oxford

Dictionaries

Dictionary Data

API keyHTTPS

Verified 4 days ago: 100% uptime

View Details

Wordnik — common questions

Answered from what our own scheduled checks found, not from the provider's marketing.

Is Wordnik free to use?

Wordnik is listed in our free catalogue, but it requires an API key, so you will need to register before your first call. Providers frequently reserve higher limits and commercial use for paid plans.

Does Wordnik need an API key?

Yes. Wordnik authenticates with an API key. Keep it server-side rather than in browser code, because anything in your frontend bundle is readable by anyone who opens developer tools.

Can I call Wordnik from browser JavaScript?

Not directly. Wordnik did not return CORS headers when we checked, so the browser will block your page from reading the response even though the request itself succeeds. Call it from a server, or put a small proxy in front of it.

Is Wordnik still working?

Yes, as of 2026-09-18. Our automated check reached Wordnik and recorded a 100% reliability score with a median response time of 1762 ms. We re-check on a schedule, and this page updates with the result.

Is Wordnik available over HTTPS?

Yes. Wordnik serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.