For years, developers have faced a common dilemma when building REST APIs: How do you send a complex, read-only query without misusing HTTP methods? If you’ve ever created a /search endpoint using POST simply because your filters were too large for a URL, you're not alone. After decades of discussion, the HTTP protocol finally has a standardized solution: the QUERY method. In June 2026, the Internet Engineering Task Force (IETF) published RFC 10008, officially introducing the HTTP ...