Codeigniter pagination API untuk front end Vue dan semacam nya

$jumlah_data = $this->Masters_model->hitung();
        $this->load->library('pagination');
        $config['base_url'] = base_url().'index.php/api/Siswa/get_siswa_all';
        $config['use_page_numbers'] = TRUE;
        $config['page_query_string'] = TRUE;
        $config['total_rows'] = $jumlah_data;
        $config['per_page'] = 5;
        $config["uri_segment"] = 4;
        $choice = $config["total_rows"] / $config["per_page"];
        $config["num_links"] = floor($choice);
        $this->pagination->initialize($config);
        $data['page'] = ($this->uri->segment(4)) ? $this->uri->segment(4) : 0;
        $data = $this->Masters_model->data($config['per_page'],$data['page']);
        $this->response(["data" => $data, "per_page" => $config["per_page"], "page" => $config["num_links"], "total" => $jumlah_data]);

saya mempunyai pagination perPage 5 dan total row 1000 namun saya ingin mendapatkan link seperti localhost/apps/index.php/api/Siswa/get_siswa_all/1 tidak dua digit langsung pada umum nya misal localhost/apps/index.php/api/Siswa/get_siswa_all/10 yg tertera di halaman dokumentasi codeigniter namun hanya 1 digit karena untuk api pagination