C++ (cpprest, Qt5, Tizen), Go, Groovy, Haskell (http-client, Servant), Java (Jersey1.x, Jersey2.x, OkHttp, Retrofit1.x, Retrofit2.x, Feign, RestTemplate, RESTEasy, Vertx, Rest-assured), Kotlin, Lua, Node.js (ES5, ES6, AngularJS with Google Closure Compiler annotations) Objective-C, Scala (akka, http4s, swagger-async-httpclient), Swift (2.x, 3.x, 4.x), Typescript (Angular2.x, Fetch, Node) Supported Languages