def httpClient = HttpClientBuilder .create() .build() def response = httpClient .get() .url("http://example.com/api") .execute() def response = httpClient .post() .url("http://example.com/api") .body("data") .execute() httpClient .get() .url("http://example.com/api") .executeAsync { response -> println("Async result: ${response.status}") } def httpClient = HttpClientBuilder .create() .proxy("http://proxy.example.com", 8080) .build() def response = httpClient .get() .url("http://example.com/api") .execute() println("Response status: ${response.status}") println("Response body: ${response.body}")