HTTP Code is a minimal command line application that displays information about HTTP status codes.
> httpcode <code> | list [<category_name>]
Valid category names are: informational, success, redirection, client-error, and server-error.
> httpcode 200
# 200 OK
# The request has succeeded.
#
# Learn more: https://www.httpstatuses.io/200
> httpcode list
# -----------------
# HTTP Status Codes
# -----------------
# 100 Continue
# 101 Switching Protocols
# ...
> httpcode list informational
# -----------------
# 1xx Informational
# -----------------
# 100 Continue
# 101 Switching Protocols
# 102 Processing
# 103 Early Hints