1、APPLICATION PROGRAMMING INTERFACES:REBUILT FOR THE NEW ERA 2|Application programming interfaces:Rebuilt for the new eraExternal Document 2026 Infosys LimitedContentsApplication programming interfaces:Rebuilt for the new era|3External Document 2026 Infosys LimitedIntroduction 4API evolution:From iter

2、ation to AI-native architecture 5Architecture and design 7Languages and ecosystem 9Frameworks and stacks 12Tools 15API platforms as a service 17Contributors 19IntroductionAs enterprises modernize their digital landscape,application programming interfaces(APIs)have become foundational building blocks

3、.What began as a mechanism for system integration has evolved into a core construct for how organizations design applications,share capabilities,and scale innovation across cloud and hybrid environments.Today,APIs shape developer productivity,security posture,and business agility.With the rise of au

4、tomation and artificial intelligence(AI),their role continues to expand,reflecting a clear progression in how enterprises build,operate,and derive value from APIs over time.4|Application programming interfaces:Rebuilt for the new eraExternal Document 2026 Infosys LimitedApplication programming inter

5、faces:Rebuilt for the new era|5External Document 2026 Infosys LimitedAPI evolution:From iteration to AI-native architectureenhanced monitoring enabled teams to decompose applications into composable,reactive components.These capabilities reduced operational friction,improved resilience,and prepared

6、enterprises for platform-based business models,where APIs coordinate interactions across applications,data,and processes.In the third horizon(H3),organizations embedded AI directly into the API layer,creating AI-native and distributed microservices that support personalized,context-aware experiences