{"endpoint":{"id":10625,"url":"https://x402-tc-agent-server.vercel.app/.well-known/agent-card.json","host":"x402-tc-agent-server.vercel.app","kind":"a2a","first_seen":"2026-09-07T00:02:58+00:00","last_seen":"2026-09-11T09:19:44+00:00","last_probed_at":"2026-09-11T12:12:25+00:00","last_outcome":"http-error","last_score":null,"last_latency_ms":669,"last_http_status":404,"last_inferred":0},"probes":[{"id":719808,"endpoint_id":10625,"probed_at":"2026-09-11T12:12:25+00:00","probe_kind":"a2a","outcome":"http-error","http_status":404,"latency_ms":669,"protocol_version":null,"score":null,"capabilities":{},"error":"HTTP 404","meta":{"card_url":"https://x402-tc-agent-server.vercel.app/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"216.198.79.67"},{"id":611877,"endpoint_id":10625,"probed_at":"2026-09-10T11:12:54+00:00","probe_kind":"a2a","outcome":"http-error","http_status":404,"latency_ms":740,"protocol_version":null,"score":null,"capabilities":{},"error":"HTTP 404","meta":{"card_url":"https://x402-tc-agent-server.vercel.app/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"216.198.79.131"},{"id":450703,"endpoint_id":10625,"probed_at":"2026-09-09T10:08:25+00:00","probe_kind":"a2a","outcome":"http-error","http_status":404,"latency_ms":1015,"protocol_version":null,"score":null,"capabilities":{},"error":"HTTP 404","meta":{"card_url":"https://x402-tc-agent-server.vercel.app/.well-known/agent.json","vantage":"us-east-1"},"ip":"216.198.79.3"},{"id":388694,"endpoint_id":10625,"probed_at":"2026-09-09T09:18:09+00:00","probe_kind":"a2a","outcome":"connect-fail","http_status":null,"latency_ms":856,"protocol_version":null,"score":null,"capabilities":{},"error":"h2: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED","meta":{"vantage":"us-east-1"},"ip":"216.198.79.131"},{"id":282602,"endpoint_id":10625,"probed_at":"2026-09-08T08:16:11+00:00","probe_kind":"a2a","outcome":"connect-fail","http_status":null,"latency_ms":1249,"protocol_version":null,"score":null,"capabilities":{},"error":"WriteError: ","meta":{"vantage":"us-east-1"},"ip":"216.198.79.67"},{"id":65123,"endpoint_id":10625,"probed_at":"2026-09-07T07:34:16+00:00","probe_kind":"a2a","outcome":"http-error","http_status":404,"latency_ms":2388,"protocol_version":null,"score":null,"capabilities":{},"error":"HTTP 404","meta":{"card_url":"https://x402-tc-agent-server.vercel.app/.well-known/agent.json","vantage":"us-east-1"},"ip":"216.198.79.67"}]}