Module 11

API Design & Protocols

Master API design patterns and communication protocols: REST, GraphQL, gRPC, HTTP versions, and WebSockets.

API Protocol Comparison

REST, GraphQL, and gRPC: different approaches to client-server communication.

📱

Client

Request

🌐

REST

HTTP/JSON

📊

GraphQL

Query Language

⚡

gRPC

Binary/HTTP2

🖥️

Backend

Services

React Flow

APIs: The Backbone of Modern Systems

APIs define how services communicate. Good API design reduces integration friction, improves developer experience, and enables system evolution without breaking clients.

RESTGraphQLgRPCWebSockets

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API Design & Protocols

API Protocol Comparison

APIs: The Backbone of Modern Systems

REST vs GraphQL vs gRPC

HTTP/1.1 vs HTTP/2 vs HTTP/3

WebSockets & Real-time

API Design Best Practices