What APIs is UiPath using?

Hey I am writing a paper for my studies. therefor I am looking at UiPath, BluePrism and such and compare them.
Currently I am looking at the APIs used in the System, can someone guide me where I can find maybe a list.

like REST API is used for : ….
WS API is used for: …

that would be super nice! Thanks in advance :slight_smile:

take a look here: https://www.uipath.com/tutorials/application-integration-rest-web-service-json