投資信託の過去の基準価額

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class ToolkkExample {
    public static void main(String[] args) throws Exception {
        String payload = "{\n  \"fundCode\": \"基金代码\",\n  \"period\": \"取值说明：取值1：近一个月；取值2：近3个月；取值3：近6个月；取值4：近一年；取值5：近三年；取值6：近五年；取值7：今年以来；取值8：成立以来\\t\"\n}";

        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create("https://openapi.toolkk.com/v1/aliyunmarket-cmapi00067127-fund-history"))
            .method("POST", HttpRequest.BodyPublishers.ofString(payload))
            .header("Content-Type", "application/json")
            .header("X-API-Key", "YOUR_API_KEY")
            .build();

        HttpResponse<String> response = HttpClient.newHttpClient()
            .send(request, HttpResponse.BodyHandlers.ofString());

        System.out.println(response.body());
    }
}