To get started with Instant Bandit right away see Getting Started.
For a detailed explanation of how Instant Bandit works, see How it Works.
For more detailed information around how to author experiments, working with analytics data, and deploying apps using Instant Bandit, see the following articles:
Setup & Configuration to create the required endpoints and configure Instant Bandit.
Usage for how to operate Instant Bandit.
Working with Metrics for collecting and analyzing data.
Tips for helpful pointers and best practices.
Internals for technical details.