curl binary package in Ubuntu Focal s390x

 curl is a command line tool for transferring data with URL syntax, supporting
 DICT, FILE, FTP, FTPS, GOPHER, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, POP3,
 POP3S, RTMP, RTSP, SCP, SFTP, SMTP, SMTPS, TELNET and TFTP.
 .
 curl supports SSL certificates, HTTP POST, HTTP PUT, FTP uploading, HTTP form
 based upload, proxies, cookies, user+password authentication (Basic, Digest,
 NTLM, Negotiate, kerberos...), file transfer resume, proxy tunneling and a
 busload of other useful tricks.

Source package