{"items":[{"card_url":"https://mail.halowerk.com/.well-known/agent-card.json","checked_at":"2026-10-10T20:58:42.997664+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://mail.halowerk.com/.well-known/agent-card.json","checked_at":"2026-10-10T18:41:22.309497+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://mail.halowerk.com/.well-known/agent-card.json","checked_at":"2026-10-10T16:23:51.292625+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://mail.halowerk.com/.well-known/agent-card.json","checked_at":"2026-10-10T13:36:22.854380+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"limit":50,"offset":0,"total":4,"window_days":30}