CloseableHttpClient httpClient = HttpClients.custom() .setCacheConfig(CacheConfig.custom() .setMaxCacheEntries(1000) .setMaxObjectSize(8192) .build()) .build(); Cache cache = new Cache(new File("/path/to/cache_directory"), 10 * 1024 * 1024); // 10MB cache OkHttpClient httpClient = new OkHttpClient.Builder() .cache(cache) .build();