| curl | Curl connection interface |
| curl_download | Download file to disk |
| curl_echo | Echo Service |
| curl_escape | URL encoding |
| curl_fetch_disk | Fetch the contents of a URL |
| curl_fetch_echo | Fetch the contents of a URL |
| curl_fetch_memory | Fetch the contents of a URL |
| curl_fetch_multi | Fetch the contents of a URL |
| curl_fetch_stream | Fetch the contents of a URL |
| curl_options | List curl version and options. |
| curl_symbols | List curl version and options. |
| curl_unescape | URL encoding |
| curl_upload | Upload a File |
| curl_version | List curl version and options. |
| file_writer | Lazy File Writer |
| find_port | Echo Service |
| form_data | POST files or data |
| form_file | POST files or data |
| handle | Create and configure a curl handle |
| handle_cookies | Extract cookies from a handle |
| handle_data | Create and configure a curl handle |
| handle_getcustom | Create and configure a curl handle |
| handle_getheaders | Create and configure a curl handle |
| handle_reset | Create and configure a curl handle |
| handle_setform | Create and configure a curl handle |
| handle_setheaders | Create and configure a curl handle |
| handle_setopt | Create and configure a curl handle |
| has_internet | Lookup a hostname |
| ie_get_proxy_for_url | Internet Explorer proxy settings |
| ie_proxy | Internet Explorer proxy settings |
| ie_proxy_info | Internet Explorer proxy settings |
| multi | Async Concurrent Requests |
| multipart | POST files or data |
| multi_add | Async Concurrent Requests |
| multi_cancel | Async Concurrent Requests |
| multi_download | Advanced download interface |
| multi_fdset | Async Concurrent Requests |
| multi_list | Async Concurrent Requests |
| multi_run | Async Concurrent Requests |
| multi_set | Async Concurrent Requests |
| new_handle | Create and configure a curl handle |
| new_pool | Async Concurrent Requests |
| nslookup | Lookup a hostname |
| parse_date | Parse date/time |
| parse_headers | Parse response headers |
| parse_headers_list | Parse response headers |
| send_mail | Send email |