plugmyagent

Wiktionary API

Books & Learning No key

AuthenticationNo key
Rate limitNo published fixed limit for public reads; a descriptive User-Agent header is required

Documentation: www.mediawiki.org ยท Checked Sep 13, 2026

About

Wiktionary is the free multilingual dictionary from the Wikimedia Foundation, and the MediaWiki REST API exposes it programmatically. You can fetch definitions, parts of speech, pronunciations, and translations for words in hundreds of languages. No key is required. Just identify your app with a descriptive User-Agent header.

Details

No key needed. You can call it right away.

Auth: No key

Rate limit: No published fixed limit for public reads; a descriptive User-Agent header is required

Verified: 2026-09-13

Best for: dictionary language definitions

Read the docs Back to catalog

Setup

  1. No account or key is needed.
  2. Send requests to the Wiktionary REST endpoints for definitions.
  3. Include a descriptive User-Agent header identifying your app.
  4. Parse the returned JSON for definitions, pronunciations, and translations.
  5. Switch the language subdomain (like fr.wiktionary.org) for other languages.
Sign up