Application Programming Interfaces are the hidden infrastructure of the modern digital economy. Whenever you use a mobile app, there are APIs likely interacting with multiple backend services behind the scenes.
RESTful APIs remain the standard paradigm for building backend services. REST establishes a simple framework for exposing APIs that use web standards like GET, POST, PUT, and DELETE to perform resource manipulation.
Protecting API endpoints is paramount in production API design. Authentication systems such as bearer tokens enable ensure that only legitimate clients can call your API.
API versioning is a key practice in API design. As your platform grows, organizations will eventually need to modify endpoints that would affect current clients. Good versioning techniques help support existing integrations.
Documentation is often considered an lower priority in API development but is in reality among the most important factors in developer experience. Clearly documented endpoints lower time to first call, increase usage, and decrease support requests.