Posts tagged "http"

Most API errors are written for a human reading logs, not for the program that has to react. Here is what most APIs do, what the standard says, and the small set of rules that actually make errors useful.

A request times out, you retry, and now the customer is charged two times. An idempotency key is the small idea that makes retries safe. Here is what it is and how to build one.

A deep dive into React Server Components by peeling back the layers of abstraction to reveal the underlying HTTP requests, HTML, and JavaScript that make them work.

HTTP field names compare without regard to case, but HTTP/2 sends them in lowercase. Here is the practical difference for clients and servers.

Understanding HTTP cache control directives can be complex, even for experienced engineers. Here’s a look at some common pitfalls and examples.