The "Pro" (paid) version of FileZilla supports a S3 interface. As of FileZilla Pro version 3.30.0, you have the ability to use S3-compatible storage like Wasabi. To configure this option in FileZilla Pro, please follow the steps below:
1. In Settings -> Transfers -> S3: Providers, configure a provider for Wasabi as shown in the example below.
2. In Site Manager, configure your Wasabi connection as shown below. The User = your Wasabi API access key and the Password = your Wasabi API secret key.