Быстрый старт ChainsFlow API на Java

var client = HttpClient.newBuilder()
    .connectTimeout(Duration.ofSeconds(5))
    .build();
var request = HttpRequest.newBuilder()
    .uri(URI.create("https://api.chainsflow.com/api/v1/portfolio"))
    .header("X-API-Key", System.getenv("CHAINSFLOW_API_KEY"))
    .timeout(Duration.ofSeconds(10))
    .GET()
    .build();
var response = client.send(request, HttpResponse.BodyHandlers.ofString());