import com.upstox.ApiClient;
import com.upstox.ApiException;
import com.upstox.Configuration;
import com.upstox.api.GetPutCallOptionChainResponse;
import com.upstox.api.OptionsApi;
import com.upstox.auth.*;
public class Main {
public static void main(String[] args) {
ApiClient defaultClient = Configuration.getDefaultApiClient();
OAuth OAUTH2 = (OAuth) defaultClient.getAuthentication("OAUTH2");
OAUTH2.setAccessToken("{your_access_token}");
OptionsApi apiInstance = new OptionsApi();
try {
GetPutCallOptionChainResponse result = apiInstance.getPutCallOptionChain("NSE_INDEX|Nifty 50", "2024-10-31");
System.out.println(result);
} catch (ApiException e) {
System.err.println("Exception when calling OptionsApi#getPutCallOptionChain");
e.printStackTrace();
}
}
}