Hands On API Design
http://bit.ly/longhorn-api (this gist)
Don't stress over this. Even if you come without a laptop, you should be able to learn from the tutorial.
- A laptop with an internet connection, pen, and paper will be all that’s needed to activly participate in most of the tutorial.
- If you want to follow along during the coding, any modern(5.3+) PHP development environment will work.