There is no developers kit for the Animator Studio program or player available.
There is a developers kit for the Autodesk Windows Player available. This is
called the ASL. Here is a description:
What you need is the Animation Support Libraries, without a doubt! This
developers kit includes C and Visual Basic Programmers reference manuals for
the Windows Player, Fliclib and File Format manuals, Code examples and other
support files, POCO and POE reference manuals, and more. You can order this kit
directly from Autodesk by calling 800-964-6432. The kit costs about $25.
"Animation Support Libraries R2.0 SAP# 03302-013303-9000".