Long: post303 Help: Do not switch to GET after following a 303 Protocols: HTTP See-also: post302 post301 location Added: 7.26.0 --- Tells curl to violate RFC 7231/6.4.4 and not convert POST requests into GET requests when following 303 redirections. A server may require a POST to remain a POST after a 303 redirection. This option is meaningful only when using --location.