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About the Book
This book presents the catalog of a virtual exhibition featuring different visualizations of the structural evolution of 51 Web APIs of different sizes and shapes, showing how they mostly grow but sometimes also shed some dead branches over the years.
The diagrams are drawn based on the exact OpenAPI specifications as they were versioned on some open source repository.
While there are many books on how to improve the design of existing APIs, the goal of this book is to show a small sample of actual API designs undergoing change. Learn from these examples to avoid false starts and discover which structures turn out to be stable over the years.
All APIs represented are Web APIs: they come from the age when many attempted with very different results to use the HTTP protocol to remotely invoke software delivered as a service.
The APIs have been selected mainly due to their visual appearance.
About the Author
Cesare Pautasso is full professor at the Software Institute at USI, Lugano, Switzerland. Previously he was a researcher at the IBM Zurich Research Lab. His research group focuses on the Architecture, design and engineering of next-generation Web information systems. He is co-author of "SOA with REST" (2012), "Just Send an Email: Anti-Patterns for Email-Centric Organizations" (2015), the "BPMN Sketch Miner" (2019), "Software Architecture: visual lecture notes" (2020), "Business Process Modeling, Management and Mining: visual lecture notes" (2021), "Beautiful APIs" (2021), "Beautiful API Evolution" (2021), "Beautiful Big APIs" (2022), "RESTful Dictionary" (2022), "Web Atelier: visual lecture notes" (2023), and "Patterns for API Design : Simplifying Integration with Loosely Coupled Message Exchanges" (2023).