Retrieve a subset of files from the portal, to be used in the data source wizard.
Organization ID
Portal ID
OK
Whether the operation succeeded
Optional error description (set if 'success' was false)
20 random files from the bucket.
Indicates whether there are any info.labels files in this bucket. If so, those are used for category/labels.
A signed URL that allows you to PUT an item, to check whether CORS headers are set up correctly for this bucket.