Build a production-ready GraphQL federation gateway: compose subgraphs, resolve entities, add auth, performance, and deployment patterns.
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 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.
A practical guide to REST API multitenancy patterns: routing, isolation, auth, quotas, caching, observability, and deployment—plus concise code examples.
A practical, end-to-end guide to integrating feature flags via API—architecture, security, caching, rollouts, observability, and production checklists.
