src/main/java/com/authlete/jaxrs/api/AuthleteApiImpl.java
@Override
    public Client updateClient(Client client) throws AuthleteApiException
    {
        return executeApiCall(
                new ServicePostApiCaller<Client>(
                        Client.class, client, CLIENT_UPDATE_API_PATH, client.getClientId()));
    }
@Override
    public Client updateClient(Client client) throws AuthleteApiException
    {
        return executeApiCall(
                new ServicePostApiCaller<Client>(
                        Client.class, client, CLIENT_UPDATE_API_PATH, client.getClientId()));
    }
Call <code>/api/client/update/<i>{clientId}</i></code> API.