Google cloud storage has strong consistency. And it had an s3 like API. [1] https://cloud.google.com/storage/docs/consistency https://cloud.google.com/storage/

Google cloud storage has strong consistency. And it had an s3 like API. [1] https://cloud.google.com/storage/docs/consistency https://cloud.google.com/storage/docs/consistency [2] https://cloud.google.com/storage/docs/interoperability https://cloud.google.com/storage/docs/interoperability