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Wiktionary API

The free and open-source encyclopedia of words and grammar

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This API is best for finding word definitions, translations, and other linguistic information.

The Wiktionary API is a great tool to find information on words and grammatical structures. It's useful for language learners, dictionary applications and other linguistic research. With the cross-lingual search, developers can access the same content across more than 280 languages. Text classification allows developers to access the same content in different categories for more accurate results. The lists provide quick and easy access to commonly used words and phrases, and the access to historical versions of wiktionary pages helps to understand how a word or phrase has changed over time.

Key features

  • ✓Search for words and phrases
  • ✓Grammar dictionary
  • ✓Cross-lingual search and text classification
  • ✓Lists of common words and phrases
  • ✓Access to historical versions of wiktionary and related sites.

Use case ideas

Translation App

mobile app allowing users to get bilingual translations of words and phrases in any language

Grammar Quiz

web app providing users with a variety of quizzes that test their grammar abilities in any language

National Dictionary Database

online database combining words and phrases from multiple Wiktionary pages in order to create a comprehensive database of a nation's words and phrases.

Using the Wiktionary API has been an invaluable tool in helping me learn how to properly use words and phrases in multiple languages. Having access to the cross-lingual search has been especially helpful in my language learning process. Highly recommend!
— a happy developer

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