Explore techniques for managing external APIs in enterprise systems through this conference talk from CppNow 2022. Learn how to encapsulate and modernize existing APIs, handle changing requirements, and implement localized decoupling to minimize codebase disruption. Discover strategies for preserving global calling semantics, adapting unit and system testing, and addressing real-world challenges like batching and parallelization. Gain insights from practical code examples and real-world applications at Bloomberg, presented by experienced C++ developer Peter Muldoon. Acquire valuable perspectives on managing external dependency changes in large-scale engineering projects.