Design a pragmatic REST–GraphQL hybrid: patterns, trade‑offs, caching, security, federation, and migration steps to ship faster without breaking what works.
Clear patterns and best practices for designing nested resources in REST APIs—when to use them, how deep to nest, and how to keep URLs stable.
A practical guide to REST API rate-limit headers: X-RateLimit-*, the IETF RateLimit draft fields, 429/Retry-After, and how to design and consume them.
A practical, end-to-end tutorial for implementing ETags in REST APIs with Express, FastAPI, and Spring Boot, plus caching and concurrency tips.
A practical guide to header-based API versioning: patterns, negotiation, caching, examples, and rollout strategies for evolving contracts without breaking clients.
Step-by-step guide to migrate APIs from GraphQL to REST: design mapping, caching, auth, rollout, and pitfalls to avoid.
