The pagination object
List responses carry apagination object next to data:
X-Pagination-Page, X-Pagination-Limit, X-Pagination-Offset, X-Pagination-Total and X-Pagination-Total-Pages.
Fetching everything
Request pages untilpage reaches totalPages:
The catalog endpoints — app templates and app plans in particular — return the whole catalog in one response without pagination, because it is small and meant to be filtered on your side.