S2 public endpoints support HTTP/2 or HTTP/1.1 over TLS.

Account

https://aws.s2.dev

Basin and Stream

https://{basin}.b.aws.s2.dev
Basin names are globally unique.Basins are currently only supported at the default “scope” of aws:us-east-1, which can be optionally specified at creation time.By request
  • Private connectivity.
  • Additional AWS regions.
Later: other clouds.