An article explaining the API design principles and process used at Slack was recently published in the Slack Engineering blog. It explains the six design principles used at Slack to design their ...

One issue with having so many RESTful web services APIs is that their designers simply don't have a solid grasp of RESTful principles. In this RESTful APIs tutorial, we will look at the philosophy ...

There, he lists many principles of API design and agrees that requirement gathering needs to be the first step in the process.

Adopt key API design principles. Implementing foundational principles can guide the development of high-quality, reusable APIs. Below is a table outlining 10 principles to consider.