It's recommended to use the official client if able to save you a lot of time, but fetch(bible) can also be accessed manually if the need arises.
There is a single JSON document that contains all the metadata for all Bible translations. You can inspect the structure and parse it as needed.
If you need the original source files for Bible translations they are available in the official collection repository.
USX & HTML
All bibles are provided in both USX 3+ and HTML and can be accessed via:
The HTML is a custom format designed to be used with the provided stylesheet, but the structure is self-explanatory and matches USX as closely as possible.
Book ids match the USX standard but are lowercase only.