When people hear the term “Open API” they tend to have different thoughts on what that means. Techopedia defines an open API as one that is publicly available for use and while the technical idea of an open API is this, the reality can be quite different. A lot of professionals in IT tend to swap around the terms “open” and “standards-based” as if they were interchangeable, but one does not necessarily mean the other. When something is defined as open, it only lets you know half the story. In order for us to find out the other half of the story, we have to delve a little deeper and ask the right questions. in the case of open data centers, there are a few things we need to know.