API From Hell Shows Your API Client is Lying to you

This article discusses the 'API From Hell,' a stress-test API with over 70 endpoints designed to expose flaws and limitations in REST clients. It highlights how HTTP infrastructure and client tools can hide errors, such as missing content-type headers or malformed XML/JSON bodies. The author emphasizes the importance of distrusting REST clients and using proxies to verify raw HTTP requests and responses. The article is aimed at testers and developers, urging them to understand tool limitations and avoid being misled during API testing. It covers topics like HTTP semantics, response validation, and the need for better error detection in REST clients.