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rclone copyurl 
Copy the contents of the URL supplied content to dest:path.
Synopsis 
Download a URL's content and copy it to the destination without saving it in temporary storage.
Setting --auto-filename will attempt to automatically determine the filename from the URL (after any redirections) and used in the destination path.
With --auto-filename-header in addition, if a specific filename is set in HTTP headers, it will be used instead of the name from the URL. With --print-filename in addition, the resulting file name will be printed.
Setting --no-clobber will prevent overwriting file on the destination if there is one with the same name.
Setting --stdout or making the output file name - will cause the output to be written to standard output.
Troublshooting 
If you can't get rclone copyurl to work then here are some things you can try:
--disable-http2rclone will use HTTP2 if available - try disabling it--bind 0.0.0.0rclone will use IPv6 if available - try disabling it--bind ::0to disable IPv4--user agent curl- some sites have whitelists for curl's user-agent - try that- Make sure the site works with 
curldirectly 
rclone copyurl https://example.com dest:path [flags]Options 
  -a, --auto-filename     Get the file name from the URL and use it for destination file path
      --header-filename   Get the file name from the Content-Disposition header
  -h, --help              help for copyurl
      --no-clobber        Prevent overwriting file with same name
  -p, --print-filename    Print the resulting name from --auto-filename
      --stdout            Write the output to stdout rather than a fileOptions shared with other commands are described next. See the global flags page for global options not listed here.
Important Options 
Important flags useful for most commands
  -n, --dry-run         Do a trial run with no permanent changes
  -i, --interactive     Enable interactive mode
  -v, --verbose count   Print lots more stuff (repeat for more)See Also 
- rclone - Show help for rclone commands, flags and backends.