APIs

Almost every developer builds a REST API eventually — and almost every developer has also suffered through using a badly designed one. The difference between an API that's a joy…

You've done it a hundred times: click "Log in with Google," approve a screen, and you're in — without ever giving the app your Google password. The system quietly making…

When a payment succeeds in Stripe, a message posts in Slack, or a new commit triggers a deployment, something had to deliver that news instantly. Very often, that something is…

You use them hundreds of times a day without ever seeing them. When you check the weather on your phone, log in with Google, or see a Google Map embedded…

Few error messages have frustrated more developers than the dreaded "blocked by CORS policy." You wrote perfectly good code, your API works when you test it directly, and yet the…

The HTTP QUERY method is a new, safe and cacheable HTTP verb that carries a request body — the standards-track fix for REST API search endpoints.

Effective API development relies on accurate HTTP status codes to communicate clearly with clients. This guide explores the five status code families and the essential codes you actually need, from success responses to error handling. Learn why consistency matters, how to distinguish 401 from 403, and how to avoid burying errors inside successful 200 OK responses.

Learn how to design clean, versioned REST API endpoints to avoid breaking client integrations as your service scales. This post covers popular versioning strategies like URL paths and headers, defines breaking changes, and explains the importance of sunset plans. Discover why a consistent, predictable approach to API versioning saves teams significant time and long-term maintenance pain.

Choosing between REST and GraphQL involves weighing trade-offs in caching, flexibility, and operational complexity. While REST offers simplicity and built-in HTTP caching, GraphQL provides powerful client-driven data fetching that eliminates over-fetching. This guide explores the strengths of each approach and provides a practical framework for deciding which API style best fits your project's specific needs.