{"items":[{"card_url":"https://callforpaper.org/.well-known/agent-card.json","checked_at":"2026-10-10T07:58:54.101983+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://callforpaper.org/.well-known/agent-card.json","checked_at":"2026-10-10T07:52:45.502598+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"limit":50,"offset":0,"total":2,"window_days":30}