Below are additional resources to learn the Maya API.
- Maya Documentation (Developer Resources > API Guide)
- Maya DevKit samples in MayaInstallPath/devkit/plug-ins
- Complete Maya Programming (Volume I) by David Gould
- Robert Bateman’s notes.
- Bryan Ewert’s notes.
- Michael Comet’s notes.
- The python_inside_maya Google email list.
- CGTalk Maya Programming forum.
- Maya API White Paper
- DevTV: Introduction to Maya Dependency Graph Programming
- Autodesk Developer Network (not free).