Groovy HTTP REST networking concise and readable. See 12 tested examples covering URL.text, HttpURLConnection, GET/POST/PUT/DELETE, JSON payloads, response headers, error handling, basic auth, and java.net.http.HttpClient. “The best API client is the one you don’t need a library for. Groovy’s URL enhancements turn HTTP calls into one-liners – add Java’s HttpClient when you need more muscle.” Roy Fielding, REST Dissertation Last Updated: March 2026 | Tested on: Groovy 5.x, Java 17+ | Difficulty: Intermediate | Reading Time: 22 minutes Every application ... Read More