The example below only shows a query on the primary revision of a space, but the same route can be applied on a specific revision or draft. Please check this section for more information.
The Assets endpoints retrieve content of binary (images, etc) fils uploaded to a GitBook space.
{"items": [{"uid": "-M-FbedxfM37Cr6E1uNA","name": "gitbook.jpeg","downloadURL": "...","contentType": "image/jpeg"}]}