{"items":[{"card_url":"https://a2a-meta-clones-production.up.railway.app/.well-known/agent-card.json","checked_at":"2026-10-10T17:32:51.106909+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://a2a-meta-clones-production.up.railway.app/.well-known/agent-card.json","checked_at":"2026-10-10T15:15:11.697369+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://a2a-meta-clones-production.up.railway.app/.well-known/agent-card.json","checked_at":"2026-10-10T12:38:19.742347+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://a2a-meta-clones-production.up.railway.app/.well-known/agent-card.json","checked_at":"2026-10-10T07:58:33.877132+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://a2a-meta-clones-production.up.railway.app/.well-known/agent-card.json","checked_at":"2026-10-10T07:50:22.216039+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"limit":50,"offset":0,"total":5,"window_days":30}