The spaces this account reaches, oldest first. Paginated, so a large account walks rather than waits — pass the `next_cursor` back as `cursor`, or follow the `Link` header.
autha signed-in session — an agent key answers for one space and does not enumerate the others
requestapplication/json
per_pagenumberoptionalhow many, 1 to 100. Defaults to 30.
cursorstringoptionalthe `next_cursor` from the page before. Opaque — it names a row, not a position, so a space made mid-walk cannot push another past you.
responseA page, and how to ask for the next one.
itemsarrayalwaysthe spaces, oldest first.
next_cursorstringoptionalpass back as `cursor`. Null when the walk is done.