Cloud accounts · Other bucket storage (S3-compatible)
What does the Provider choice in the Bucket Storage form do?
Short answer: It fills in defaults for that service — a starting region, the endpoint format, whether an endpoint is required, and path-style URLs. Every field stays editable. Choose Other (custom endpoint) if your service isn't listed.
It fills in sensible defaults for that service: a starting region, an example of the endpoint address it uses, whether an endpoint is required, and the right setting for path-style URLs. You can still change any field.
Pick the entry that matches your service. If it isn't listed, choose Other (custom endpoint) and enter the details from your provider's dashboard. Amazon is the only preset that needs no endpoint.