
APIs are the backbone of communication over the Internet. Every developer needs to learn about APIs. Here’s a roadmap that covers the most important topics:
- Introduction to APIs
- API is a set of protocols and tools for building applications. Different types of APIs exist, such as public, private, and partner.
- API Terminologies
- Various API terminologies, such as HTTP versions, cookies, and caching, need to be understood.
- API Styles
- The most common API styles are REST, SOAP, GraphQL, gRPC, and WebSockets
- API Authentication
- API Authentication techniques like Basic Auth, Token, JWTs, OAuth, and Session Auth
- API Documentation
- A good API is understandable. API Documentation tools like Swagger, Postman, Redoc, and DapperDox make it possible.
- API Features
- Key API features include pagination, parameters, idempotency, API versioning, HATEOAS, and content negotiation
- API Performance Techniques
- Common API performance techniques are caching, rate limiting, load balancing, pagination, DB indexing, scaling, and performance testing.
- API Gateways
- Learn about API Gateways such as Amazon API Gateway, Azure API Services, Kong, Nginx, etc.
- API Implementation Frameworks
- The most popular API development frameworks are Node.js, Spring, Flask, Django, and FastAPI
- API Integration Patterns
- Learn about various API integration patterns such as gateways, event-driven, webhook, polling, and batch processing.