Overview
API stands for Application Programming Interface. It acts as an intermediary, allowing one application to request data or services from another.
Types of APIs
- REST: Uses HTTP methods (GET, POST) and is widely used for web services.
- GraphQL: Allows clients to request exactly the data they need.
- gRPC: High-performance RPC framework used for microservices.
Real-world Example
When you use a weather app on your phone, it uses an API to fetch the latest weather data from a remote server.