{"items":[{"card_url":"https://api.chainaware.ai/.well-known/agent-card.json","checked_at":"2026-10-28T21:00:57.918447+00:00","success":true,"http_status":304,"detail":"Agent Card unchanged; conditional HTTP 304 validated"},{"card_url":"https://beta.backend.chainaware.ai/.well-known/agent-card.json","checked_at":"2026-10-28T20:50:08.629859+00:00","success":true,"http_status":304,"detail":"Agent Card unchanged; conditional HTTP 304 validated"},{"card_url":"https://api.chainaware.ai/.well-known/agent-card.json","checked_at":"2026-10-28T15:00:19.242248+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://beta.backend.chainaware.ai/.well-known/agent-card.json","checked_at":"2026-10-28T14:48:58.008819+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"limit":50,"offset":0,"total":4,"window_days":30,"_localmark":{"contribution":{"optional":true,"directory_access":"free","operator_authorization_required":true,"affects_rankings":false,"message":"LocalMark is free. Optional contributions help fund ongoing checks.","support_url":"https://localmark.ai/support","metadata_url":"https://localmark.ai/api/v1/support/contributions"}}}