Hello I think a lot of user could find a S3 gateway for B2 very useful, as there is a lot of backups tools for S3 and B2 is very cheap (0,005$/GB). Rclone Go package could be used for integrating with the API: https://godoc.org/github.com/ncw/rclone/b2 https://godoc.org/github.com/ncw/rclone/b2/api