Oxford Dictionaries API

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World-renowned monolingual and bilingual dictionary data


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Find out what we can do for you…

Oxford Dictionaries is at the forefront of lexical research and our products will help you succeed whether you are building a game, learning application, or next-generation speech and text technology

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What's possible with our dictionary data?


Enhance word games with definition lookups

Bots and AI

Accurate, structured data and large corpora help solve many language problems


Audio, examples and synonyms are just some data types that can help learners


Trusted, deep content for academic research, often for free!


A testing platform for users wanting to try out the API before selecting a plan.

Free trial.
60 requests per minute. Total 500 requests. Access to the first letter of the alphabet or equivalent for each endpoint.


Our annual plan for commercial businesses.

One-time annual fee.
For high volume and complex uses. Bespoke plans based on requirements. Selection of data delivery methods. Dedicated personal customer support.

If you are conducting research affiliated with an academic institution, you can apply for non-commercial research access to the API. We ask for full details of your intended research, and your required use of the API to grant access. Please Contact Us and we will get back to you.