| Name | Description | Type | Package | Framework |
| HttpClientFactory | Prepare instances of HttpClient with desired socket configuration settings. | Class | org.carrot2.util.httpclient | Carrot |
| HttpHeaders | Some commonly used HTTP headers. | Class | org.carrot2.util.httpclient | Carrot |
| HttpRedirectStrategy | enum HttpRedirectStrategyHTTP redirect strategy. | Class | org.carrot2.util.httpclient | Carrot |
| HttpUtils | Various utilities for working with HTTP data streams. | Class | org.carrot2.util.httpclient | Carrot |
| HttpUtils .Response | A static holder storing HTTP response fields. | Class | org.carrot2.util.httpclient | Carrot |