c: Copyright (C) 1998 - 2022, Daniel Stenberg, , et al. SPDX-License-Identifier: curl Long: aws-sigv4 Arg: Help: Use AWS V4 signature authentication Category: auth http Added: 7.75.0 See-also: basic user Example: --aws-sigv4 "aws:amz:east-2:es" --user "key:secret" $URL --- Use AWS V4 signature authentication in the transfer. The provider argument is a string that is used by the algorithm when creating outgoing authentication headers. The region argument is a string that points to a geographic area of a resources collection (region-code) when the region name is omitted from the endpoint. The service argument is a string that points to a function provided by a cloud (service-code) when the service name is omitted from the endpoint.