To upload your backup files to a Backblaze storage, you need the following:

• Backblaze access key
• Backblaze secret key
• bucket name
• endpoint

Assuming your Blackblaze settings look like this:

You should then enter the settings into SQL Backup like this, using the Custom S3 Storage option:

Note that the endpoint value should be prefixed with https://.

Click on the Link Account button to set up the link to Backblaze.  When successful, a success message is displayed next to the button.

To test that the settings are correct, run a test backup with the cloud storage upload option  e.g.

If successful, you should see the backup file in your cloud storage bucket.