The Role of APIs in Microservices Architectures
The Role of APIs in Microservices Architectures In a microservices setup, APIs are the visible surface that lets services talk to each other and to the outside world. They define a stable interface, a shared language for data, and a clear way to handle errors. A well designed API keeps services decoupled, so teams can change one service without breaking others. APIs come in two flavors: internal APIs used between services, and external or partner APIs used by customers or partners. Internal contracts should be simple and stable. External contracts may evolve but with versioning and a clear deprecation path. ...