In addition to Jesse's link, there is also a .NET library to help working with the REST API which is helpful if you are planning to develop in C# called the GroupShareKit: github.com/.../groupsharekit.net
In addition to Jesse's link, there is also a .NET library to help working with the REST API which is helpful if you are planning to develop in C# called the GroupShareKit: github.com/.../groupsharekit.net