{"items":[{"card_url":"https://gaip-agent-to-art-prototype-production.up.railway.app/.well-known/agent-card.json","checked_at":"2026-10-10T19:50:23.136641+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://gaip-agent-to-art-prototype-production.up.railway.app/.well-known/agent-card.json","checked_at":"2026-10-10T17:33:16.671377+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://gaip-agent-to-art-prototype-production.up.railway.app/.well-known/agent-card.json","checked_at":"2026-10-10T15:15:40.992052+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://gaip-agent-to-art-prototype-production.up.railway.app/.well-known/agent-card.json","checked_at":"2026-10-10T12:38:38.467512+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"limit":50,"offset":0,"total":4,"window_days":30}