{"endpoint":{"id":66621,"url":"https://gpt55.558686.xyz/a2a","host":"gpt55.558686.xyz","kind":"x402","first_seen":"2026-09-07T00:21:32+00:00","last_seen":"2026-09-08T07:31:21+00:00","last_probed_at":"2026-09-07T16:14:44+00:00","last_outcome":"http-error","last_score":20,"last_latency_ms":284,"last_http_status":404},"probes":[{"id":249884,"endpoint_id":66621,"probed_at":"2026-09-07T16:14:44+00:00","probe_kind":"x402","outcome":"http-error","http_status":404,"latency_ms":284,"protocol_version":null,"score":20,"capabilities":{},"error":"HTTP 404","meta":{"final_url":"https://gpt55.558686.xyz/a2a","vantage":"us-east-1"},"ip":"104.21.86.68"}]}