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.

Pricing

English only APIs

Applies if you only take the monolingual English dictionaries, either singly or together:

Number of CallsPrice
Up to 5,000 calls/monthFree of charge
5,001 to 20,000 calls/month£50/month + VAT
20,001 to 75,000 calls/month£170/month + VAT
75,001 to 175,000 calls/month  £375/month + VAT

Bilingual or monolingual/bilingual

Applies if you take bilingual dictionaries, or a combination of monolingual and bilingual dictionaries:

Number of CallsPrice
Up to 5,000 calls/monthFree of charge
5,001 to 30,000 calls/month£75/month + VAT
30,001 to 100,000 calls/month  £400/month + VAT

Apply for key

Read about our Terms and Conditions before applying for a key.

    Full Name (required)

    Your Email (required)

    Intended Use (required)

    Dictionaries Required (required)

    Company Name

    Company Address

    Application Name

    Application Description (required)

    Estimated Number of Call to API per Month

    Application URL

    Terms and Conditions (required)