The article provides a detailed guide on using Postman to access and retrieve files from SharePoint via its REST API, a platform commonly used for collaboration and document management in enterprises. It outlines the necessary steps to set up a sandbox SharePoint account, create sites, and register an OAuth application, crucial for authenticating API requests. The process involves using various GET commands to access sites, drives, and "DriveItems"—Microsoft's representation of files and folders—while also highlighting the need to implement logic for folder recursion and token-based pagination for comprehensive data retrieval. Furthermore, the article discusses considerations for building a production-level integration, such as handling the OAuth flow and potentially syncing data periodically. Lastly, it positions Merge as a solution for integrating products with multiple file storage platforms, including SharePoint, through a single Unified API, emphasizing its role as a comprehensive integration platform.