I'm sure that in your day to day job you work with many different softwares and it's always better if those programs can 'speak' to each other. One of the most common ways that this can be accomplished is by using API to connect the two together so that you can either Push or Pull data between programs.
API Access is a paid add-on to your subscription and as a result the documentation is only available to those who have purchased this feature and so if you would like to learn more, please don't hesitate to reach out to your Success Manager and we would love to help out!