Dictionary API

We know our content is world-class. Now we want to see you use it to power imaginative, beautiful and downright useful applications.

The Collins Dictionary API gives developers access to Collins' flagship monolingual, bilingual and learner’s dictionaries. It allows integration of Collins' definitions, translations, examples phrases, audio pronunciations, and more.

Getting Started

It's easy as ...

A. Decide which of our dictionaries you need access to
B. Read about our pricing and terms and conditions
C. Apply for a key

We will consider your proposed use of the API. If we’re happy with it, we will contact you directly with the access key.