The API is a python module named pv that allows users to modify the kernel's behavior.
Properties are just variables, but they can be interpreted by the GUI and displayed properly.
pv.Property
pv.BoolProp
pv.IntProp
pv.FloatProp
pv.StrProp
pv.ListProp
A PropertyGroup is a collection of properties.
pv.PropertyGroup
The API has a few classes for storing and accessing data.
pv.DataGroup
pv.Cache
Operators are functions that operate on a video and can be displayed in the GUI.
pv.Operator
Jobs modify the rendering process.
pv.Job
pv.utils.register_class
pv.utils.add_callback
pv.utils.get
pv.utils.get_index
pv.utils.get_exists