Collins 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.
Pricing
English only APIs
Applies if you only take the monolingual English dictionaries, either singly or together:
| Number of calls | Price |
|---|---|
| Up to 5,000 calls/month | Free 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 calls | Price |
|---|---|
| Up to 5,000 calls/month | Free 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.
Please fill in this form to apply for a key to access the dictionary products you require.