REST API authorization in a cronjob, recommendation

Better check the security things for Linux curl as there are some ways like netrc files or using environmental variable for user:pass.

https://linuxhint.com/curl-username-password/

https://www.googlecloudcommunity.com/gc/Cloud-Product-Articles/Do-you-use-curl-Stop-using-u-Please-use-curl-n-and-netrc/ta-p/75724

Outside of that make a new user with the correct role to limit what the script can do

https://techdocs.f5.com/kb/en-us/products/big-iq-centralized-mgmt/manuals/product/big-iq-centralized-management-authentication-roles-and-user-management-6-1-0/05.html