A hands-on guide to contract-first API design with OpenAPI: workflow, examples, tooling, testing, security, versioning, and CI/CD governance.
A practical guide to GraphQL caching on the client and server—policies, headers, CDNs, and invalidation patterns that keep data fast and correct.
A practical guide to structured API logging and observability: schemas, tracing, metrics, correlation IDs, pipelines, and cost-efficient practices.
A practical guide to standardizing REST API responses—status codes, envelopes, errors, pagination, headers, and examples to build resilient, consistent APIs.
Apply the Repository pattern in API design with practical code, specs, UoW, and testing tips—plus performance, security, and pitfalls to avoid.
Design a reliable AI summarization API for news: architecture, schema, grounding, evaluation, safety, compliance, and cost strategies.
