useInfiniteQuery

final state = useInfiniteQuery<List<Post>, int>(
  'posts',
  (page) => api.fetchPosts(page: page),
  InfiniteQueryOptions(
    getNextPageParam: (pages, last) => pages.length + 1,
  ),
);

if (state.isFetchingNextPage) { /* show spinner */ }
if (state.hasNextPage) { /* show Load More */ }