Is Contabo object storage compatible with S3 storage?

The Contabo Object Storage is based on Ceph but it is not fully compatible with AWS S3 API. For example, logging is not supported. 

However for most use cases you shouldn't have any compatibility issues.

What is S3 compatible object storage?

Simple Storage Service (S3) Object Storage is a scalable storage service. This kind of service was introduced by Amazon AWS in 2006. Since then S3 compatible Object Storage is the de-facto standard for Object Storage. It provides a high level of durability and high availability. Data can be accessed from anywhere via regular Internet connection. S3 Object Storage can be accessed via it's API or by a wide variety of tools. Please refer to Tools.

What features does S3 compatible Object Storage storage provide?

• Buckets: data is stored in buckets. Each bucket can store so objects, e.g. files and folders.
• Scalability: there are virtually no storage limits. Individual objects can be up to 5TB in size.
• Sharing: Share objects with selected persons or publicly with everyone via Internet.
• Metadata-Support: Each object is identified by an unique key and metadata can be used for more organizational control.
• S3 compatible API: supports S3 compatible APIs so that you can rely on huge number of existing tools.