c: Copyright (C) 1998 - 2022, Daniel Stenberg, , et al. SPDX-License-Identifier: curl Short: A Long: user-agent Arg: Help: Send User-Agent to server Protocols: HTTP Category: important http Example: -A "Agent 007" $URL Added: 4.5.1 See-also: header proxy-header Multi: single --- Specify the User-Agent string to send to the HTTP server. To encode blanks in the string, surround the string with single quote marks. This header can also be set with the --header or the --proxy-header options. If you give an empty argument to --user-agent (""), it will remove the header completely from the request. If you prefer a blank header, you can set it to a single space (" ").