{"items":[{"card_url":"https://sharksapi.ai/.well-known/agent-card.json","checked_at":"2026-10-10T21:31:38.728946+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://sharksapi.ai/.well-known/agent-card.json","checked_at":"2026-10-10T18:59:09.387846+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://sharksapi.ai/.well-known/agent-card.json","checked_at":"2026-10-10T16:42:36.575532+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://sharksapi.ai/.well-known/agent-card.json","checked_at":"2026-10-10T13:49:02.651588+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"limit":50,"offset":0,"total":4,"window_days":30}