curl "https://www.searchapi.io/api/v1/search?engine=meta_ad_library_page_info&page_id=sample_meta_ad_library_page_info_page_id&api_key=E5oa7LbhkKN7YUyj4CwXppK8"
Only required parameters and parameters you set are sent — the request never repeats the API's own defaults back at it.