A practical, end-to-end API-first workflow: design, mock, test, secure, observe, and release with contracts as the single source of truth.
A practical guide to GraphQL federation in microservices—concepts, schema design, gateway patterns, performance, security, and migration strategies.
A practical, end-to-end tutorial for Claude API tool use: define tools, run the tool loop, add web search/fetch, and productionize with SDK patterns.
A practical blueprint for implementing OAuth 2.1 for APIs: PKCE, sender-constrained tokens, secure flows for web, SPA, mobile, and machine-to-machine.
A practical guide to API gateway design patterns: when to use them, trade-offs, and reference configs for secure, scalable microservices and edge APIs.
Design, secure, and operate reliable webhook APIs with signatures, retries, idempotency, observability, and great developer experience.
