チャプターの取得に失敗しました

Client error '429 Too Many Requests' for url 'https://klz9.com/api/manga/slug/inou-gakuen-no-saikyou-wa-heion-ni-hisomu-kikaku-gai-no-kaibutsu-munou-wo-enji-gakuen-wo-kage-kara-shihai-suru' For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/429