Available Documentation Tech Notes Access these Developer Technical Notes for guidance on specific approaches to integration, best practices, and more. Code Samples Review these Code Samples to understand exactly how you can use the APIs. Tools Handy utilities for testing and debugging. URL API Documentation and Frequently Asked Questions about the URL API. XML API Documentation and Frequently Asked Questions about the XML API. Single Sign On Documentation and Frequently Asked Questions about single sign-on approaches and facilities. URL API Tips & Tricks Descriptions and solutions for commonly encountered problems with the URL API.