This document provides a guide to the typical source data needed for standard reporting in Apptio's Cost Transparency and Business Insights modules. It lists data sources for various types of financial, infrastructure, application, project, and human resources data. The data sources are categorized as required, recommended, or optional depending on whether they are minimally needed or can provide additional granularity. The purpose is to help customers understand what data should be collected or connected to Apptio to facilitate effective reporting and analysis.