Master API Protocol Design for System Design Interviews (In Progress)
Choose the right API protocol confidently with frameworks, real-world case studies, and strategies to handle interview challenges effectively.
What API Protocol Design Really Means
Three Levels of Evaluation
Why REST Isn't Always the Right Choice
The Purpose of APIs: Contracts, Encapsulation and Independence
REST Fundamentals: Resources, URIs and the Philosophy Behind It
HTTP Methods and Idempotency: Why It Matters for Reliability
REST Request: Response Model and Status Codes
REST Architectural Constraints: Statelessness and Cacheability
Audience Questions: REST Deep Dive
GraphQL Fundamentals: The Client-Driven Query Philosophy
Building Blocks: Single Endpoint, Schema and Strong Typing
Queries, Mutations and Resolvers
Audience Questions on GraphQL
GraphQL Trade-offs: When It Fits and When It Doesn't
Binary Serialization and Protocol Buffers
Protocol Buffers Deep Dive
Services, Streaming Patterns and Code Generation
HTTP/2 Transport, Multiplexing and Head-of-Line Blocking
gRPC Trade-offs: When High Performance Justifies Complexity
WebSockets: Solving Real-Time Communication Challenges
Pub/Sub Architecture for Horizontal Scale
Server-Sent Events and Interview Pitch Strategies