The document provides a comprehensive guide on integrating RESTful API skills with SOAP APIs, particularly focusing on platforms like Workday, which still rely on the older SOAP protocol. The text outlines the method of using Python, specifically the Requests library, to manage SOAP API calls and highlights the importance of understanding the Web Service Description Language (WSDL) in configuring SOAP requests. It examines the structural differences between SOAP and REST APIs, emphasizing SOAP's use of XML and HTTP POST methods, while REST can handle multiple data formats and HTTP verbs. Additionally, the document introduces Merge's Unified API as a solution to streamline integrations across varied software systems, offering features such as authentication, logs, and automated alerts to enhance organizational efficiency. Merge aims to simplify the integration of systems, whether they use SOAP or REST, and invites users to explore its capabilities through a free trial or demo.