Welcome to Open Data API

News and Announcements

We post news and announcements related to the API on the IST-DIA API Blog.


The University of Waterloo Open Data API, powered by the Open Data Initiative, allows anyone to build their own programs and applications using data from University of Waterloo datasets.

The API features a growing collection of data endpoints, all built on authoritative, approved, and timely datasets. 

Accessing the API

In order to access the API, you will need to register for an API key. For legacy version 2, new key registration are no longer available. 

To register for a version 3 API key, please see the getting started page.

All planned changes will be communited on the announcements blog.

Version 3 getting started documentation is available here, and the live endpoint documentation is here.

Version 2 documentation is available here.


If you have any inquiries or suggestions, please feel free to contact us.

To report any bugs, fixes or suggestions, report an issue on our GitHub project.