Depending on the usecase, rclone can expose an S3 endpoint via `rclone serve s3` to route to another protocol, eg sftp.
I mention it not to shill rsync.net, but to shill rclone, because when I discovered it I was even more impressed with it.
Obviously having to run a command and apply some amount of plumbing is different to a service just providing that API at the outset so the applicability for users will differ but still, rclone is very cool!
Happy to email you, if that's better, but is this because of unsustainable competition in the space or the tremendous volatility in consumption that object storage customers bring to the table?
I ask because in this current market, I would imagine investing in storage infrastructure is painful, but then I wonder, you are still in the storage infrastructure space anyways, so it likely has to do with the user behavior or user expectations or both.
Just to clarify - there are discounted plans that don't have free ZFS snapshots but you can still have them ... they just count towards your quota.
If your files don't change much - you don't have much "churn" - they might not take up any real space anyway.