c: Copyright (C) Daniel Stenberg, , et al. SPDX-License-Identifier: curl Short: 0 Long: http1.0 Tags: Versions Protocols: HTTP Added: 7.9.1 Mutexed: http1.1 http2 http2-prior-knowledge http3 Help: Use HTTP 1.0 Category: http Example: --http1.0 $URL See-also: http0.9 http1.1 Multi: mutex --- Tells curl to use HTTP version 1.0 instead of using its internally preferred HTTP version.