01Chapter 1: Introduction to API Styles

02Chapter 2: REST Fundamentals and Resource Modeling

03Chapter 3: GraphQL Fundamentals and Schema Thinking

04Chapter 4: gRPC Fundamentals and Service Contracts

05Chapter 5: HTTP Semantics, Methods, and Status Codes

06Chapter 6: GraphQL Queries, Mutations, and Resolvers

07Chapter 7: Protocol Buffers and Strong Contracts

08Chapter 8: Streaming, Batching, and Payload Design

09Chapter 9: Authentication and Authorization Across API Styles

10Chapter 10: Caching, Performance, and Network Efficiency

11Chapter 11: Observability, Versioning, and Backward Compatibility

12Chapter 12: Developer Experience, Tooling, and Testing

13Chapter 13: Choosing REST vs GraphQL vs gRPC

14Chapter 14: Hybrid API Architectures in Real Systems

15Chapter 15: Capstone: Design an API Platform

16Chapter 16: Capstone: Review, Benchmark, and Evolve It

17Appendix A: Commands and Workflow Cheat Sheet

18Appendix B: Reference Architectures and Patterns

19Appendix C: Common Mistakes and Fixes

20Appendix D: Best Practices Summary

REST vs GraphQL vs gRPC Deep Dive

Book contents