Rclone

Website at https://rclone.org/.

Follow the instructions at https://rclone.org/downloads/ to install.

Configure rclone to point to polycloud using the interactive configuration tool. It should look something like the following:

$ rclone config
No remotes found - make a new one
n) New remote
r) Rename remote
c) Copy remote
s) Set configuration password
q) Quit config
n/r/c/s/q> n
name> polycloud
Type of storage to configure.
Choose a number from below, or type in your own value
Storage> 2
env_auth> 1
access_key_id> <your_access_key>
secret_access_key> <your_secret_access_key>
region> us-east-1
endpoint> https://polycloud.crowdapis.com
location_constraint>
server_side_encryption>

Copy a file from your local computer to polycloud:

rclone copy /path/to/files polycloud